diff --git a/Directory.Packages.props b/Directory.Packages.props
index d1fc679..618da09 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -36,7 +36,9 @@
+
+
-
+
diff --git a/HrynCo.NotificationService.DAL.Abstract/Repositories/IEmailTemplateDefinitionRepository.cs b/HrynCo.NotificationService.DAL.Abstract/Repositories/IEmailTemplateDefinitionRepository.cs
new file mode 100644
index 0000000..c850bc8
--- /dev/null
+++ b/HrynCo.NotificationService.DAL.Abstract/Repositories/IEmailTemplateDefinitionRepository.cs
@@ -0,0 +1,14 @@
+using HrynCo.NotificationService.DAL.Abstract.Templates;
+
+namespace HrynCo.NotificationService.DAL.Abstract.Repositories;
+
+public interface IEmailTemplateDefinitionRepository
+{
+ Task> GetDefinitionsAsync(string? serviceName = null, string? key = null, CancellationToken ct = default);
+ Task GetDefinitionAsync(string serviceName, string key, CancellationToken ct = default);
+ Task GetDefinitionAsync(Guid serviceId, string key, CancellationToken ct = default);
+ Task UpsertDefinitionAsync(EmailTemplateDefinitionPatch patch, CancellationToken ct = default);
+ Task> GetDefinitionsAsync(Guid serviceId, CancellationToken ct = default);
+ Task DeleteDefinitionAsync(Guid serviceId, string key, Guid revision, CancellationToken ct = default);
+ Task SaveDefinitionAsync(EmailTemplateDefinition definition, bool isNew, CancellationToken ct = default);
+}
diff --git a/HrynCo.NotificationService.DAL.Abstract/Repositories/INotificationServiceRepository.cs b/HrynCo.NotificationService.DAL.Abstract/Repositories/INotificationServiceRepository.cs
new file mode 100644
index 0000000..c6c2465
--- /dev/null
+++ b/HrynCo.NotificationService.DAL.Abstract/Repositories/INotificationServiceRepository.cs
@@ -0,0 +1,13 @@
+using HrynCo.NotificationService.DAL.Abstract.Templates;
+
+namespace HrynCo.NotificationService.DAL.Abstract.Repositories;
+
+public interface INotificationServiceRepository
+{
+ Task> GetAllAsync(CancellationToken ct = default);
+ Task GetAsync(Guid id, CancellationToken ct = default);
+ Task GetByNameAsync(string name, CancellationToken ct = default);
+ Task DeleteAsync(Guid id, Guid revision, CancellationToken ct = default);
+ Task SaveAsync(NotificationServiceInfo service, bool isNew, CancellationToken ct = default);
+ Task RemoveLanguageAsync(Guid serviceId, Guid languageId, int expectedVersionCount, Guid expectedRevision, CancellationToken ct = default);
+}
diff --git a/HrynCo.NotificationService.DAL.Abstract/Templates/EmailTemplateDefinition.cs b/HrynCo.NotificationService.DAL.Abstract/Templates/EmailTemplateDefinition.cs
new file mode 100644
index 0000000..359e775
--- /dev/null
+++ b/HrynCo.NotificationService.DAL.Abstract/Templates/EmailTemplateDefinition.cs
@@ -0,0 +1,13 @@
+using HrynCo.DAL.Abstract.Entities;
+
+namespace HrynCo.NotificationService.DAL.Abstract.Templates;
+
+public sealed class EmailTemplateDefinition : Entity
+{
+ public Guid ServiceId { get; set; }
+ public required string ServiceName { get; set; }
+ public required string Key { get; set; }
+ public Guid Revision { get; set; }
+ public IReadOnlyList Variables { get; set; } = [];
+ public IReadOnlyList Languages { get; set; } = [];
+}
diff --git a/HrynCo.NotificationService.DAL.Abstract/Templates/EmailTemplateDefinitionPatch.cs b/HrynCo.NotificationService.DAL.Abstract/Templates/EmailTemplateDefinitionPatch.cs
new file mode 100644
index 0000000..29c8522
--- /dev/null
+++ b/HrynCo.NotificationService.DAL.Abstract/Templates/EmailTemplateDefinitionPatch.cs
@@ -0,0 +1,11 @@
+namespace HrynCo.NotificationService.DAL.Abstract.Templates;
+
+public sealed class EmailTemplateDefinitionPatch
+{
+ public Guid ServiceId { get; init; }
+ public required string Key { get; init; }
+ public Guid? Revision { get; init; }
+ public required IReadOnlyList Variables { get; init; }
+ public required IReadOnlyList Translations { get; init; }
+ public IReadOnlyList RemoveLanguageCodes { get; init; } = [];
+}
diff --git a/HrynCo.NotificationService.DAL.Abstract/Templates/EmailTemplateValidation.cs b/HrynCo.NotificationService.DAL.Abstract/Templates/EmailTemplateValidation.cs
new file mode 100644
index 0000000..0daa9dd
--- /dev/null
+++ b/HrynCo.NotificationService.DAL.Abstract/Templates/EmailTemplateValidation.cs
@@ -0,0 +1,76 @@
+using System.Text.Json;
+
+namespace HrynCo.NotificationService.DAL.Abstract.Templates;
+
+public static class EmailTemplateValidation
+{
+ private static readonly JsonSerializerOptions JsonOptions = new(JsonSerializerDefaults.Web)
+ {
+ PropertyNameCaseInsensitive = false,
+ UnmappedMemberHandling = System.Text.Json.Serialization.JsonUnmappedMemberHandling.Disallow
+ };
+
+ public static IReadOnlyList ParseVariables(string json)
+ {
+ using var document = JsonDocument.Parse(json);
+ if (document.RootElement.ValueKind == JsonValueKind.Null)
+ throw new EmailTemplateWriteException("Variables must be a JSON array.", false);
+ if (document.RootElement.ValueKind != JsonValueKind.Array)
+ throw new JsonException("Variables must be an array.");
+ foreach (var item in document.RootElement.EnumerateArray())
+ ValidateVariableShape(item);
+ var variables = JsonSerializer.Deserialize>(json, JsonOptions);
+ ValidateVariables(variables);
+ return variables!;
+ }
+
+ private static void ValidateVariableShape(JsonElement item)
+ {
+ if (item.ValueKind != JsonValueKind.Object)
+ throw new JsonException("Each variable must be an object.");
+ if (!item.TryGetProperty("name", out var name) || name.ValueKind != JsonValueKind.String)
+ throw new JsonException("Every variable needs a name string.");
+ if (!item.TryGetProperty("required", out var required) || required.ValueKind is not (JsonValueKind.True or JsonValueKind.False))
+ throw new JsonException("Every variable needs a required boolean.");
+ }
+
+ public static void ValidateVariables(IReadOnlyList? variables)
+ {
+ if (variables is null)
+ throw new EmailTemplateWriteException("Variables must be a JSON array.", false);
+ if (variables.Any(v => v is null || string.IsNullOrWhiteSpace(v.Name)))
+ throw new EmailTemplateWriteException("Every variable needs a non-empty name.", false);
+ if (variables.Select(v => v.Name).Distinct(StringComparer.Ordinal).Count() != variables.Count)
+ throw new EmailTemplateWriteException("Variable names must be unique.", false);
+ }
+
+ public static bool ContractsEqual(IReadOnlyList left, IReadOnlyList right) =>
+ left.OrderBy(v => v.Name, StringComparer.Ordinal).SequenceEqual(right.OrderBy(v => v.Name, StringComparer.Ordinal));
+
+ public static void ValidateIdentity(string serviceName, string key)
+ {
+ if (string.IsNullOrWhiteSpace(serviceName) || serviceName.Length > 100)
+ throw new EmailTemplateWriteException("Service name is required and must be at most 100 characters.", false);
+ if (string.IsNullOrWhiteSpace(key) || key.Length > 100)
+ throw new EmailTemplateWriteException("Key is required and must be at most 100 characters.", false);
+ }
+
+ public static void ValidateLanguage(EmailTemplate template)
+ {
+ if (string.IsNullOrWhiteSpace(template.LanguageCode) || template.LanguageCode.Length > 10)
+ throw new EmailTemplateWriteException("Language code is required and must be at most 10 characters.", false);
+ if (string.IsNullOrWhiteSpace(template.Subject) || string.IsNullOrWhiteSpace(template.HtmlBody) || string.IsNullOrWhiteSpace(template.TextBody))
+ throw new EmailTemplateWriteException("Every language needs a subject, HTML body, and text body.", false);
+ }
+
+ public static void ValidateDefinition(EmailTemplateDefinition definition)
+ {
+ ValidateIdentity(definition.ServiceName, definition.Key);
+ ValidateVariables(definition.Variables);
+ foreach (var language in definition.Languages)
+ ValidateLanguage(language);
+ var codes = definition.Languages.Select(t => t.LanguageCode);
+ if (codes.Distinct(StringComparer.Ordinal).Count() != definition.Languages.Count)
+ throw new EmailTemplateWriteException("Language codes must be unique within a template.", false);
+ }
+}
diff --git a/HrynCo.NotificationService.DAL.Abstract/Templates/TemplateVariable.cs b/HrynCo.NotificationService.DAL.Abstract/Templates/EmailTemplateVariable.cs
similarity index 100%
rename from HrynCo.NotificationService.DAL.Abstract/Templates/TemplateVariable.cs
rename to HrynCo.NotificationService.DAL.Abstract/Templates/EmailTemplateVariable.cs
diff --git a/HrynCo.NotificationService.DAL.Abstract/Templates/EmailTemplateWriteException.cs b/HrynCo.NotificationService.DAL.Abstract/Templates/EmailTemplateWriteException.cs
new file mode 100644
index 0000000..735e6c4
--- /dev/null
+++ b/HrynCo.NotificationService.DAL.Abstract/Templates/EmailTemplateWriteException.cs
@@ -0,0 +1,6 @@
+namespace HrynCo.NotificationService.DAL.Abstract.Templates;
+
+public sealed class EmailTemplateWriteException(string message, bool isConflict = true) : Exception(message)
+{
+ public bool IsConflict { get; } = isConflict;
+}
diff --git a/HrynCo.NotificationService.DAL.Abstract/Templates/NotificationServiceInfo.cs b/HrynCo.NotificationService.DAL.Abstract/Templates/NotificationServiceInfo.cs
new file mode 100644
index 0000000..447c435
--- /dev/null
+++ b/HrynCo.NotificationService.DAL.Abstract/Templates/NotificationServiceInfo.cs
@@ -0,0 +1,9 @@
+namespace HrynCo.NotificationService.DAL.Abstract.Templates;
+
+public sealed class NotificationServiceInfo
+{
+ public Guid Id { get; set; }
+ public required string Name { get; set; }
+ public Guid Revision { get; set; }
+ public IReadOnlyList Languages { get; set; } = [];
+}
diff --git a/HrynCo.NotificationService.DAL.Abstract/Templates/ServiceLanguageInfo.cs b/HrynCo.NotificationService.DAL.Abstract/Templates/ServiceLanguageInfo.cs
new file mode 100644
index 0000000..81b5bb1
--- /dev/null
+++ b/HrynCo.NotificationService.DAL.Abstract/Templates/ServiceLanguageInfo.cs
@@ -0,0 +1,8 @@
+namespace HrynCo.NotificationService.DAL.Abstract.Templates;
+
+public sealed class ServiceLanguageInfo
+{
+ public Guid Id { get; set; }
+ public required string Code { get; set; }
+ public int VersionCount { get; set; }
+}
diff --git a/HrynCo.NotificationService.DAL.EF/Configurations/EmailTemplateDefinitionEntityConfiguration.cs b/HrynCo.NotificationService.DAL.EF/Configurations/EmailTemplateDefinitionEntityConfiguration.cs
new file mode 100644
index 0000000..fd5853c
--- /dev/null
+++ b/HrynCo.NotificationService.DAL.EF/Configurations/EmailTemplateDefinitionEntityConfiguration.cs
@@ -0,0 +1,29 @@
+using HrynCo.NotificationService.DAL.EF.Entities;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace HrynCo.NotificationService.DAL.EF.Configurations;
+
+internal sealed class EmailTemplateDefinitionEntityConfiguration : IEntityTypeConfiguration
+{
+ public void Configure(EntityTypeBuilder builder)
+ {
+ builder.ToTable("email_template_definitions");
+ builder.HasKey(x => x.Id);
+ builder.Property(x => x.Id).HasColumnName("id");
+ builder.Property(x => x.ServiceId).HasColumnName("service_id");
+ builder.Property(x => x.Key).HasColumnName("key").HasMaxLength(100).IsRequired();
+ builder.Property(x => x.Revision).HasColumnName("revision").IsConcurrencyToken();
+ builder.HasIndex(x => new { x.ServiceId, x.Key }).IsUnique();
+ builder.HasAlternateKey(x => new { x.Id, x.ServiceId });
+ builder.HasOne(x => x.Service).WithMany().HasForeignKey(x => x.ServiceId).OnDelete(DeleteBehavior.Restrict);
+ builder.Property(x => x.Created).HasColumnName("created");
+ builder.Property(x => x.Updated).HasColumnName("updated");
+ builder.OwnsMany(x => x.Variables, v =>
+ {
+ v.ToJson("variables");
+ v.Property(x => x.Name).HasJsonPropertyName("name");
+ v.Property(x => x.Required).HasJsonPropertyName("required");
+ });
+ }
+}
diff --git a/HrynCo.NotificationService.DAL.EF/Configurations/EmailTemplateEntityConfiguration.cs b/HrynCo.NotificationService.DAL.EF/Configurations/EmailTemplateEntityConfiguration.cs
index 7522d01..d63b482 100644
--- a/HrynCo.NotificationService.DAL.EF/Configurations/EmailTemplateEntityConfiguration.cs
+++ b/HrynCo.NotificationService.DAL.EF/Configurations/EmailTemplateEntityConfiguration.cs
@@ -4,53 +4,27 @@ using Microsoft.EntityFrameworkCore.Metadata.Builders;
namespace HrynCo.NotificationService.DAL.EF.Configurations;
-internal class EmailTemplateEntityConfiguration : IEntityTypeConfiguration
+internal sealed class EmailTemplateEntityConfiguration : IEntityTypeConfiguration
{
public void Configure(EntityTypeBuilder builder)
{
builder.ToTable("email_templates");
-
builder.HasKey(x => x.Id);
builder.Property(x => x.Id).HasColumnName("id");
-
- builder.Property(x => x.ServiceName)
- .HasColumnName("service_name")
- .IsRequired()
- .HasMaxLength(100);
-
- builder.Property(x => x.Key)
- .HasColumnName("key")
- .IsRequired()
- .HasMaxLength(100);
-
- builder.Property(x => x.LanguageCode)
- .HasColumnName("language_code")
- .IsRequired()
- .HasMaxLength(10);
-
- builder.HasIndex(x => new { x.ServiceName, x.Key, x.LanguageCode })
- .IsUnique();
-
- builder.Property(x => x.Subject)
- .HasColumnName("subject")
- .IsRequired();
-
- builder.Property(x => x.HtmlBody)
- .HasColumnName("html_body")
- .IsRequired();
-
- builder.Property(x => x.TextBody)
- .HasColumnName("text_body")
- .IsRequired();
-
+ builder.Property(x => x.DefinitionId).HasColumnName("definition_id");
+ builder.Property(x => x.ServiceId).HasColumnName("service_id");
+ builder.Property(x => x.ServiceLanguageId).HasColumnName("service_language_id");
+ builder.HasIndex(x => new { x.DefinitionId, x.ServiceLanguageId }).IsUnique();
+ builder.HasOne(x => x.Definition).WithMany(x => x.Languages)
+ .HasForeignKey(x => new { x.DefinitionId, x.ServiceId })
+ .HasPrincipalKey(x => new { x.Id, x.ServiceId }).OnDelete(DeleteBehavior.Cascade);
+ builder.HasOne(x => x.ServiceLanguage).WithMany()
+ .HasForeignKey(x => new { x.ServiceLanguageId, x.ServiceId })
+ .HasPrincipalKey(x => new { x.Id, x.ServiceId }).OnDelete(DeleteBehavior.Restrict);
+ builder.Property(x => x.Subject).HasColumnName("subject").IsRequired();
+ builder.Property(x => x.HtmlBody).HasColumnName("html_body").IsRequired();
+ builder.Property(x => x.TextBody).HasColumnName("text_body").IsRequired();
builder.Property(x => x.Created).HasColumnName("created");
builder.Property(x => x.Updated).HasColumnName("updated");
-
- builder.OwnsMany(x => x.Variables, v =>
- {
- v.ToJson("variables");
- v.Property(x => x.Name).HasJsonPropertyName("name");
- v.Property(x => x.Required).HasJsonPropertyName("required");
- });
}
}
diff --git a/HrynCo.NotificationService.DAL.EF/Configurations/ServiceEntityConfiguration.cs b/HrynCo.NotificationService.DAL.EF/Configurations/ServiceEntityConfiguration.cs
new file mode 100644
index 0000000..0c80f3a
--- /dev/null
+++ b/HrynCo.NotificationService.DAL.EF/Configurations/ServiceEntityConfiguration.cs
@@ -0,0 +1,20 @@
+using HrynCo.NotificationService.DAL.EF.Entities;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace HrynCo.NotificationService.DAL.EF.Configurations;
+
+internal sealed class ServiceEntityConfiguration : IEntityTypeConfiguration
+{
+ public void Configure(EntityTypeBuilder builder)
+ {
+ builder.ToTable("services");
+ builder.HasKey(x => x.Id);
+ builder.Property(x => x.Id).HasColumnName("id");
+ builder.Property(x => x.Name).HasColumnName("name").HasMaxLength(100).IsRequired();
+ builder.HasIndex(x => x.Name).IsUnique();
+ builder.Property(x => x.Revision).HasColumnName("revision").IsConcurrencyToken();
+ builder.Property(x => x.Created).HasColumnName("created");
+ builder.Property(x => x.Updated).HasColumnName("updated");
+ }
+}
diff --git a/HrynCo.NotificationService.DAL.EF/Configurations/ServiceLanguageEntityConfiguration.cs b/HrynCo.NotificationService.DAL.EF/Configurations/ServiceLanguageEntityConfiguration.cs
new file mode 100644
index 0000000..1c0d4db
--- /dev/null
+++ b/HrynCo.NotificationService.DAL.EF/Configurations/ServiceLanguageEntityConfiguration.cs
@@ -0,0 +1,22 @@
+using HrynCo.NotificationService.DAL.EF.Entities;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace HrynCo.NotificationService.DAL.EF.Configurations;
+
+internal sealed class ServiceLanguageEntityConfiguration : IEntityTypeConfiguration
+{
+ public void Configure(EntityTypeBuilder builder)
+ {
+ builder.ToTable("service_languages");
+ builder.HasKey(x => x.Id);
+ builder.Property(x => x.Id).HasColumnName("id");
+ builder.Property(x => x.ServiceId).HasColumnName("service_id");
+ builder.Property(x => x.Code).HasColumnName("code").HasMaxLength(10).IsRequired();
+ builder.HasIndex(x => new { x.ServiceId, x.Code }).IsUnique();
+ builder.HasAlternateKey(x => new { x.Id, x.ServiceId });
+ builder.HasOne(x => x.Service).WithMany(x => x.Languages).HasForeignKey(x => x.ServiceId).OnDelete(DeleteBehavior.Restrict);
+ builder.Property(x => x.Created).HasColumnName("created");
+ builder.Property(x => x.Updated).HasColumnName("updated");
+ }
+}
diff --git a/HrynCo.NotificationService.DAL.EF/Entities/EmailTemplateDefinitionEntity.cs b/HrynCo.NotificationService.DAL.EF/Entities/EmailTemplateDefinitionEntity.cs
new file mode 100644
index 0000000..9dcac36
--- /dev/null
+++ b/HrynCo.NotificationService.DAL.EF/Entities/EmailTemplateDefinitionEntity.cs
@@ -0,0 +1,13 @@
+using HrynCo.DAL.Abstract.Entities;
+
+namespace HrynCo.NotificationService.DAL.EF.Entities;
+
+internal sealed class EmailTemplateDefinitionEntity : Entity
+{
+ public Guid ServiceId { get; set; }
+ public ServiceEntity Service { get; set; } = null!;
+ public required string Key { get; set; }
+ public Guid Revision { get; set; } = Guid.NewGuid();
+ public List Variables { get; set; } = [];
+ public List Languages { get; set; } = [];
+}
diff --git a/HrynCo.NotificationService.DAL.EF/Entities/EmailTemplateEntity.cs b/HrynCo.NotificationService.DAL.EF/Entities/EmailTemplateEntity.cs
index a68f0c5..bc0d639 100644
--- a/HrynCo.NotificationService.DAL.EF/Entities/EmailTemplateEntity.cs
+++ b/HrynCo.NotificationService.DAL.EF/Entities/EmailTemplateEntity.cs
@@ -4,17 +4,12 @@ namespace HrynCo.NotificationService.DAL.EF.Entities;
internal class EmailTemplateEntity : Entity
{
- public required string ServiceName { get; set; }
- public required string Key { get; set; }
- public required string LanguageCode { get; set; }
+ public Guid DefinitionId { get; set; }
+ public EmailTemplateDefinitionEntity Definition { get; set; } = null!;
+ public Guid ServiceId { get; set; }
+ public Guid ServiceLanguageId { get; set; }
+ public ServiceLanguageEntity ServiceLanguage { get; set; } = null!;
public required string Subject { get; set; }
public required string HtmlBody { get; set; }
public required string TextBody { get; set; }
- public List Variables { get; set; } = [];
-}
-
-internal class EmailTemplateVariableData
-{
- public required string Name { get; set; }
- public bool Required { get; set; }
}
diff --git a/HrynCo.NotificationService.DAL.EF/Entities/EmailTemplateVariableData.cs b/HrynCo.NotificationService.DAL.EF/Entities/EmailTemplateVariableData.cs
new file mode 100644
index 0000000..0c57ba3
--- /dev/null
+++ b/HrynCo.NotificationService.DAL.EF/Entities/EmailTemplateVariableData.cs
@@ -0,0 +1,7 @@
+namespace HrynCo.NotificationService.DAL.EF.Entities;
+
+internal sealed class EmailTemplateVariableData
+{
+ public required string Name { get; set; }
+ public bool Required { get; set; }
+}
diff --git a/HrynCo.NotificationService.DAL.EF/Entities/ServiceEntity.cs b/HrynCo.NotificationService.DAL.EF/Entities/ServiceEntity.cs
new file mode 100644
index 0000000..8c7baeb
--- /dev/null
+++ b/HrynCo.NotificationService.DAL.EF/Entities/ServiceEntity.cs
@@ -0,0 +1,10 @@
+using HrynCo.DAL.Abstract.Entities;
+
+namespace HrynCo.NotificationService.DAL.EF.Entities;
+
+internal sealed class ServiceEntity : Entity
+{
+ public required string Name { get; set; }
+ public Guid Revision { get; set; } = Guid.NewGuid();
+ public List Languages { get; set; } = [];
+}
diff --git a/HrynCo.NotificationService.DAL.EF/Entities/ServiceLanguageEntity.cs b/HrynCo.NotificationService.DAL.EF/Entities/ServiceLanguageEntity.cs
new file mode 100644
index 0000000..86190db
--- /dev/null
+++ b/HrynCo.NotificationService.DAL.EF/Entities/ServiceLanguageEntity.cs
@@ -0,0 +1,10 @@
+using HrynCo.DAL.Abstract.Entities;
+
+namespace HrynCo.NotificationService.DAL.EF.Entities;
+
+internal sealed class ServiceLanguageEntity : Entity
+{
+ public Guid ServiceId { get; set; }
+ public ServiceEntity Service { get; set; } = null!;
+ public required string Code { get; set; }
+}
diff --git a/HrynCo.NotificationService.DAL.EF/Migrations/20261017072410_EmailTemplateLocalizations.Designer.cs b/HrynCo.NotificationService.DAL.EF/Migrations/20261017072410_EmailTemplateLocalizations.Designer.cs
new file mode 100644
index 0000000..f1712a5
--- /dev/null
+++ b/HrynCo.NotificationService.DAL.EF/Migrations/20261017072410_EmailTemplateLocalizations.Designer.cs
@@ -0,0 +1,376 @@
+//
+using System;
+using HrynCo.NotificationService.DAL.EF;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace HrynCo.NotificationService.DAL.EF.Migrations
+{
+ [DbContext(typeof(NotificationDbContext))]
+ [Migration("20261017072410_EmailTemplateLocalizations")]
+ partial class EmailTemplateLocalizations
+ {
+ ///
+ protected override void BuildTargetModel(ModelBuilder modelBuilder)
+ {
+#pragma warning disable 612, 618
+ modelBuilder
+ .HasAnnotation("ProductVersion", "10.0.7")
+ .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+ NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+ modelBuilder.Entity("HrynCo.NotificationService.DAL.EF.Entities.EmailChannelEntity", b =>
+ {
+ b.Property("Id")
+ .ValueGeneratedOnAdd()
+ .HasColumnType("uuid")
+ .HasColumnName("id");
+
+ b.Property("Created")
+ .HasColumnType("timestamp with time zone")
+ .HasColumnName("created");
+
+ b.Property("DailyLimit")
+ .HasColumnType("integer")
+ .HasColumnName("daily_limit");
+
+ b.Property("EmailChannelType")
+ .HasColumnType("integer")
+ .HasColumnName("provider_type");
+
+ b.Property("IsActive")
+ .HasColumnType("boolean")
+ .HasColumnName("is_active");
+
+ b.Property("MonthlyLimit")
+ .HasColumnType("integer")
+ .HasColumnName("monthly_limit");
+
+ b.Property("Priority")
+ .HasColumnType("integer")
+ .HasColumnName("priority");
+
+ b.Property("ServiceName")
+ .IsRequired()
+ .HasMaxLength(100)
+ .HasColumnType("character varying(100)")
+ .HasColumnName("service_name");
+
+ b.Property("SettingsJson")
+ .IsRequired()
+ .HasColumnType("jsonb")
+ .HasColumnName("settings");
+
+ b.Property("Updated")
+ .HasColumnType("timestamp with time zone")
+ .HasColumnName("updated");
+
+ b.Property("WarnThresholdPercent")
+ .HasColumnType("integer")
+ .HasColumnName("warn_threshold_percent");
+
+ b.HasKey("Id");
+
+ b.HasIndex("ServiceName", "Priority");
+
+ b.ToTable("email_channels", (string)null);
+ });
+
+ modelBuilder.Entity("HrynCo.NotificationService.DAL.EF.Entities.EmailChannelUsageEntity", b =>
+ {
+ b.Property("Id")
+ .ValueGeneratedOnAdd()
+ .HasColumnType("uuid")
+ .HasColumnName("id");
+
+ b.Property("Created")
+ .HasColumnType("timestamp with time zone")
+ .HasColumnName("created");
+
+ b.Property("Date")
+ .HasColumnType("date")
+ .HasColumnName("date");
+
+ b.Property("ProviderId")
+ .HasColumnType("uuid")
+ .HasColumnName("provider_id");
+
+ b.Property("SentCount")
+ .HasColumnType("integer")
+ .HasColumnName("sent_count");
+
+ b.Property("Updated")
+ .HasColumnType("timestamp with time zone")
+ .HasColumnName("updated");
+
+ b.HasKey("Id");
+
+ b.HasIndex("ProviderId", "Date")
+ .IsUnique();
+
+ b.ToTable("email_channel_usage", (string)null);
+ });
+
+ modelBuilder.Entity("HrynCo.NotificationService.DAL.EF.Entities.EmailTemplateDefinitionEntity", b =>
+ {
+ b.Property("Id")
+ .ValueGeneratedOnAdd()
+ .HasColumnType("uuid")
+ .HasColumnName("id");
+
+ b.Property("Created")
+ .HasColumnType("timestamp with time zone")
+ .HasColumnName("created");
+
+ b.Property("Key")
+ .IsRequired()
+ .HasMaxLength(100)
+ .HasColumnType("character varying(100)")
+ .HasColumnName("key");
+
+ b.Property("Revision")
+ .IsConcurrencyToken()
+ .HasColumnType("uuid")
+ .HasColumnName("revision");
+
+ b.Property("ServiceId")
+ .HasColumnType("uuid")
+ .HasColumnName("service_id");
+
+ b.Property("Updated")
+ .HasColumnType("timestamp with time zone")
+ .HasColumnName("updated");
+
+ b.HasKey("Id");
+
+ b.HasIndex("ServiceId", "Key")
+ .IsUnique();
+
+ b.ToTable("email_template_definitions", (string)null);
+ });
+
+ modelBuilder.Entity("HrynCo.NotificationService.DAL.EF.Entities.EmailTemplateEntity", b =>
+ {
+ b.Property("Id")
+ .ValueGeneratedOnAdd()
+ .HasColumnType("uuid")
+ .HasColumnName("id");
+
+ b.Property("Created")
+ .HasColumnType("timestamp with time zone")
+ .HasColumnName("created");
+
+ b.Property("DefinitionId")
+ .HasColumnType("uuid")
+ .HasColumnName("definition_id");
+
+ b.Property("HtmlBody")
+ .IsRequired()
+ .HasColumnType("text")
+ .HasColumnName("html_body");
+
+ b.Property("ServiceId")
+ .HasColumnType("uuid")
+ .HasColumnName("service_id");
+
+ b.Property("ServiceLanguageId")
+ .HasColumnType("uuid")
+ .HasColumnName("service_language_id");
+
+ b.Property("Subject")
+ .IsRequired()
+ .HasColumnType("text")
+ .HasColumnName("subject");
+
+ b.Property("TextBody")
+ .IsRequired()
+ .HasColumnType("text")
+ .HasColumnName("text_body");
+
+ b.Property("Updated")
+ .HasColumnType("timestamp with time zone")
+ .HasColumnName("updated");
+
+ b.HasKey("Id");
+
+ b.HasIndex("DefinitionId", "ServiceId");
+
+ b.HasIndex("DefinitionId", "ServiceLanguageId")
+ .IsUnique();
+
+ b.HasIndex("ServiceLanguageId", "ServiceId");
+
+ b.ToTable("email_templates", (string)null);
+ });
+
+ modelBuilder.Entity("HrynCo.NotificationService.DAL.EF.Entities.ServiceEntity", b =>
+ {
+ b.Property("Id")
+ .ValueGeneratedOnAdd()
+ .HasColumnType("uuid")
+ .HasColumnName("id");
+
+ b.Property("Created")
+ .HasColumnType("timestamp with time zone")
+ .HasColumnName("created");
+
+ b.Property("Name")
+ .IsRequired()
+ .HasMaxLength(100)
+ .HasColumnType("character varying(100)")
+ .HasColumnName("name");
+
+ b.Property("Revision")
+ .IsConcurrencyToken()
+ .HasColumnType("uuid")
+ .HasColumnName("revision");
+
+ b.Property("Updated")
+ .HasColumnType("timestamp with time zone")
+ .HasColumnName("updated");
+
+ b.HasKey("Id");
+
+ b.HasIndex("Name")
+ .IsUnique();
+
+ b.ToTable("services", (string)null);
+ });
+
+ modelBuilder.Entity("HrynCo.NotificationService.DAL.EF.Entities.ServiceLanguageEntity", b =>
+ {
+ b.Property("Id")
+ .ValueGeneratedOnAdd()
+ .HasColumnType("uuid")
+ .HasColumnName("id");
+
+ b.Property("Code")
+ .IsRequired()
+ .HasMaxLength(10)
+ .HasColumnType("character varying(10)")
+ .HasColumnName("code");
+
+ b.Property("Created")
+ .HasColumnType("timestamp with time zone")
+ .HasColumnName("created");
+
+ b.Property("ServiceId")
+ .HasColumnType("uuid")
+ .HasColumnName("service_id");
+
+ b.Property("Updated")
+ .HasColumnType("timestamp with time zone")
+ .HasColumnName("updated");
+
+ b.HasKey("Id");
+
+ b.HasIndex("ServiceId", "Code")
+ .IsUnique();
+
+ b.ToTable("service_languages", (string)null);
+ });
+
+ modelBuilder.Entity("HrynCo.NotificationService.DAL.EF.Entities.EmailChannelUsageEntity", b =>
+ {
+ b.HasOne("HrynCo.NotificationService.DAL.EF.Entities.EmailChannelEntity", null)
+ .WithMany("UsageRecords")
+ .HasForeignKey("ProviderId")
+ .OnDelete(DeleteBehavior.Cascade)
+ .IsRequired();
+ });
+
+ modelBuilder.Entity("HrynCo.NotificationService.DAL.EF.Entities.EmailTemplateDefinitionEntity", b =>
+ {
+ b.HasOne("HrynCo.NotificationService.DAL.EF.Entities.ServiceEntity", "Service")
+ .WithMany()
+ .HasForeignKey("ServiceId")
+ .OnDelete(DeleteBehavior.Restrict)
+ .IsRequired();
+
+ b.OwnsMany("HrynCo.NotificationService.DAL.EF.Entities.EmailTemplateVariableData", "Variables", b1 =>
+ {
+ b1.Property("EmailTemplateDefinitionEntityId");
+
+ b1.Property("__synthesizedOrdinal")
+ .ValueGeneratedOnAdd();
+
+ b1.Property("Name")
+ .IsRequired()
+ .HasJsonPropertyName("name");
+
+ b1.Property("Required")
+ .HasJsonPropertyName("required");
+
+ b1.HasKey("EmailTemplateDefinitionEntityId", "__synthesizedOrdinal");
+
+ b1.ToTable("email_template_definitions");
+
+ b1
+ .ToJson("variables")
+ .HasColumnType("jsonb");
+
+ b1.WithOwner()
+ .HasForeignKey("EmailTemplateDefinitionEntityId");
+ });
+
+ b.Navigation("Service");
+
+ b.Navigation("Variables");
+ });
+
+ modelBuilder.Entity("HrynCo.NotificationService.DAL.EF.Entities.EmailTemplateEntity", b =>
+ {
+ b.HasOne("HrynCo.NotificationService.DAL.EF.Entities.EmailTemplateDefinitionEntity", "Definition")
+ .WithMany("Languages")
+ .HasForeignKey("DefinitionId", "ServiceId")
+ .HasPrincipalKey("Id", "ServiceId")
+ .OnDelete(DeleteBehavior.Cascade)
+ .IsRequired();
+
+ b.HasOne("HrynCo.NotificationService.DAL.EF.Entities.ServiceLanguageEntity", "ServiceLanguage")
+ .WithMany()
+ .HasForeignKey("ServiceLanguageId", "ServiceId")
+ .HasPrincipalKey("Id", "ServiceId")
+ .OnDelete(DeleteBehavior.Restrict)
+ .IsRequired();
+
+ b.Navigation("Definition");
+
+ b.Navigation("ServiceLanguage");
+ });
+
+ modelBuilder.Entity("HrynCo.NotificationService.DAL.EF.Entities.ServiceLanguageEntity", b =>
+ {
+ b.HasOne("HrynCo.NotificationService.DAL.EF.Entities.ServiceEntity", "Service")
+ .WithMany("Languages")
+ .HasForeignKey("ServiceId")
+ .OnDelete(DeleteBehavior.Restrict)
+ .IsRequired();
+
+ b.Navigation("Service");
+ });
+
+ modelBuilder.Entity("HrynCo.NotificationService.DAL.EF.Entities.EmailChannelEntity", b =>
+ {
+ b.Navigation("UsageRecords");
+ });
+
+ modelBuilder.Entity("HrynCo.NotificationService.DAL.EF.Entities.EmailTemplateDefinitionEntity", b =>
+ {
+ b.Navigation("Languages");
+ });
+
+ modelBuilder.Entity("HrynCo.NotificationService.DAL.EF.Entities.ServiceEntity", b =>
+ {
+ b.Navigation("Languages");
+ });
+#pragma warning restore 612, 618
+ }
+ }
+}
diff --git a/HrynCo.NotificationService.DAL.EF/Migrations/20261017072410_EmailTemplateLocalizations.cs b/HrynCo.NotificationService.DAL.EF/Migrations/20261017072410_EmailTemplateLocalizations.cs
new file mode 100644
index 0000000..079f0b8
--- /dev/null
+++ b/HrynCo.NotificationService.DAL.EF/Migrations/20261017072410_EmailTemplateLocalizations.cs
@@ -0,0 +1,284 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace HrynCo.NotificationService.DAL.EF.Migrations;
+
+public partial class EmailTemplateLocalizations : Migration
+{
+ protected override void Up(MigrationBuilder migrationBuilder)
+ {
+ migrationBuilder.Sql(SourceLayoutGuard());
+ migrationBuilder.Sql("DO $upgrade$ BEGIN IF (SELECT layout FROM it1601_migration_origin) = 'flat' THEN\n"
+ + FlatUpgrade() + "\nELSE\n" + InterimUpgrade() + "\nEND IF; END $upgrade$;");
+ }
+
+ protected override void Down(MigrationBuilder migrationBuilder)
+ {
+ migrationBuilder.Sql("""
+ LOCK TABLE email_templates IN ACCESS EXCLUSIVE MODE;
+ DO $$ BEGIN
+ IF EXISTS (SELECT 1 FROM "__EFMigrationsHistory" WHERE "MigrationId" = '20261017070315_EmailTemplateLocalizations') THEN
+ RAISE EXCEPTION 'Cannot downgrade an interim-origin database to the flat legacy model. Restore a verified backup instead.';
+ END IF;
+ IF EXISTS (SELECT 1 FROM email_template_definitions d WHERE NOT EXISTS (SELECT 1 FROM email_templates t WHERE t.definition_id = d.id))
+ OR EXISTS (SELECT 1 FROM service_languages l WHERE NOT EXISTS (SELECT 1 FROM email_templates t WHERE t.service_language_id = l.id))
+ OR EXISTS (SELECT 1 FROM services s WHERE NOT EXISTS (SELECT 1 FROM email_templates t WHERE t.service_id = s.id)) THEN
+ RAISE EXCEPTION 'Cannot downgrade catalog-only data or empty definitions to the legacy model. Restore a verified backup instead.';
+ END IF;
+ END $$;
+ ALTER TABLE email_templates ADD COLUMN service_name varchar(100), ADD COLUMN key varchar(100),
+ ADD COLUMN language_code varchar(10), ADD COLUMN variables jsonb;
+ UPDATE email_templates t SET service_name = s.name, key = d.key, variables = d.variables, language_code = l.code
+ FROM email_template_definitions d JOIN services s ON s.id = d.service_id
+ JOIN service_languages l ON l.service_id = s.id
+ WHERE d.id = t.definition_id AND l.id = t.service_language_id;
+ ALTER TABLE email_templates ALTER COLUMN service_name SET NOT NULL, ALTER COLUMN key SET NOT NULL, ALTER COLUMN language_code SET NOT NULL;
+ ALTER TABLE email_templates DROP COLUMN definition_id, DROP COLUMN service_id, DROP COLUMN service_language_id;
+ DROP TABLE email_template_definitions;
+ DROP TABLE service_languages;
+ DROP TABLE services;
+ CREATE UNIQUE INDEX "IX_email_templates_service_name_key_language_code" ON email_templates(service_name, key, language_code);
+ """);
+ }
+
+ private static string FlatUpgrade() => """
+ DO $audit$
+ DECLARE row_record record;
+ BEGIN
+ FOR row_record IN SELECT id, service_name, key, language_code, variables FROM email_templates LOOP
+ IF btrim(row_record.service_name) = '' OR btrim(row_record.key) = ''
+ OR btrim(row_record.language_code) = '' OR row_record.variables IS NULL
+ OR jsonb_typeof(row_record.variables) <> 'array' THEN
+ RAISE EXCEPTION 'Invalid template identity or variables array: service=%, key=%, language=%, id=%',
+ row_record.service_name, row_record.key, row_record.language_code, row_record.id;
+ END IF;
+ IF EXISTS (SELECT 1 FROM jsonb_array_elements(row_record.variables) v
+ WHERE jsonb_typeof(v) <> 'object'
+ OR jsonb_typeof(v->'name') IS DISTINCT FROM 'string'
+ OR btrim(v->>'name') = ''
+ OR jsonb_typeof(v->'required') IS DISTINCT FROM 'boolean'
+ OR (v - 'name' - 'required') <> '{}'::jsonb) THEN
+ RAISE EXCEPTION 'Invalid variables shape: service=%, key=%, language=%, id=%',
+ row_record.service_name, row_record.key, row_record.language_code, row_record.id;
+ END IF;
+ IF EXISTS (SELECT 1 FROM jsonb_array_elements(row_record.variables) v GROUP BY v->>'name' HAVING count(*) > 1) THEN
+ RAISE EXCEPTION 'Duplicate variable names: service=%, key=%, language=%, id=%',
+ row_record.service_name, row_record.key, row_record.language_code, row_record.id;
+ END IF;
+ END LOOP;
+ END $audit$;
+ CREATE TEMP TABLE template_contract_audit ON COMMIT DROP AS
+ SELECT t.*, COALESCE((SELECT jsonb_agg(v ORDER BY v->>'name')
+ FROM jsonb_array_elements(t.variables) v), '[]'::jsonb) AS contract
+ FROM email_templates t;
+ DO $conflicts$
+ DECLARE conflict_record record;
+ BEGIN
+ SELECT service_name, key, string_agg(language_code || ':' || id::text, ', ' ORDER BY language_code) AS records
+ INTO conflict_record FROM template_contract_audit
+ GROUP BY service_name, key HAVING count(DISTINCT contract) > 1 LIMIT 1;
+ IF FOUND THEN
+ RAISE EXCEPTION 'Conflicting shared variables: service=%, key=%, records=%',
+ conflict_record.service_name, conflict_record.key, conflict_record.records;
+ END IF;
+ END $conflicts$;
+ CREATE TABLE services (
+ id uuid CONSTRAINT "PK_services" PRIMARY KEY, name varchar(100) NOT NULL, revision uuid NOT NULL,
+ created timestamptz NOT NULL, updated timestamptz NULL);
+ CREATE UNIQUE INDEX "IX_services_name" ON services(name);
+ CREATE TABLE service_languages (
+ id uuid CONSTRAINT "PK_service_languages" PRIMARY KEY, service_id uuid NOT NULL,
+ code varchar(10) NOT NULL, created timestamptz NOT NULL, updated timestamptz NULL,
+ CONSTRAINT "AK_service_languages_id_service_id" UNIQUE(id, service_id),
+ CONSTRAINT "FK_service_languages_services_service_id" FOREIGN KEY(service_id) REFERENCES services(id) ON DELETE RESTRICT);
+ CREATE UNIQUE INDEX "IX_service_languages_service_id_code" ON service_languages(service_id, code);
+ CREATE TABLE email_template_definitions (
+ id uuid CONSTRAINT "PK_email_template_definitions" PRIMARY KEY, service_id uuid NOT NULL,
+ key varchar(100) NOT NULL, revision uuid NOT NULL, variables jsonb NOT NULL,
+ created timestamptz NOT NULL, updated timestamptz NULL,
+ CONSTRAINT "AK_email_template_definitions_id_service_id" UNIQUE(id, service_id),
+ CONSTRAINT "FK_email_template_definitions_services_service_id" FOREIGN KEY(service_id) REFERENCES services(id) ON DELETE RESTRICT);
+ CREATE UNIQUE INDEX "IX_email_template_definitions_service_id_key" ON email_template_definitions(service_id, key);
+ INSERT INTO services(id, name, revision, created)
+ SELECT gen_random_uuid(), service_name, gen_random_uuid(), min(created) FROM email_templates GROUP BY service_name;
+ INSERT INTO service_languages(id, service_id, code, created)
+ SELECT gen_random_uuid(), s.id, t.language_code, min(t.created)
+ FROM email_templates t JOIN services s ON s.name = t.service_name GROUP BY s.id, t.language_code;
+ INSERT INTO email_template_definitions(id, service_id, key, revision, variables, created, updated)
+ SELECT DISTINCT ON (t.service_name, t.key) t.id, s.id, t.key, gen_random_uuid(), t.contract,
+ min(t.created) OVER (PARTITION BY t.service_name, t.key),
+ max(t.updated) OVER (PARTITION BY t.service_name, t.key)
+ FROM template_contract_audit t JOIN services s ON s.name = t.service_name
+ ORDER BY t.service_name, t.key, t.id;
+ ALTER TABLE email_templates ADD COLUMN definition_id uuid, ADD COLUMN service_id uuid, ADD COLUMN service_language_id uuid;
+ UPDATE email_templates t SET definition_id = d.id, service_id = s.id, service_language_id = l.id
+ FROM email_template_definitions d JOIN services s ON s.id = d.service_id
+ JOIN service_languages l ON l.service_id = s.id
+ WHERE t.service_name = s.name AND t.key = d.key AND t.language_code = l.code;
+ ALTER TABLE email_templates ALTER COLUMN definition_id SET NOT NULL,
+ ALTER COLUMN service_id SET NOT NULL, ALTER COLUMN service_language_id SET NOT NULL;
+ ALTER TABLE email_templates ADD CONSTRAINT "FK_email_templates_email_template_definitions_definition_id_se~"
+ FOREIGN KEY (definition_id, service_id) REFERENCES email_template_definitions(id, service_id) ON DELETE CASCADE;
+ ALTER TABLE email_templates ADD CONSTRAINT "FK_email_templates_service_languages_service_language_id_servi~"
+ FOREIGN KEY (service_language_id, service_id) REFERENCES service_languages(id, service_id) ON DELETE RESTRICT;
+ DROP INDEX "IX_email_templates_service_name_key_language_code";
+ ALTER TABLE email_templates DROP COLUMN service_name, DROP COLUMN key, DROP COLUMN variables, DROP COLUMN language_code;
+ CREATE UNIQUE INDEX "IX_email_templates_definition_id_service_language_id" ON email_templates(definition_id, service_language_id);
+ CREATE INDEX "IX_email_templates_definition_id_service_id" ON email_templates(definition_id, service_id);
+ CREATE INDEX "IX_email_templates_service_language_id_service_id" ON email_templates(service_language_id, service_id);
+ """;
+
+ private static string SourceLayoutGuard() => """
+ SET LOCAL search_path = public;
+ DO $layout$
+ DECLARE
+ template_columns text[];
+ service_columns text[];
+ definition_columns text[];
+ source_constraints text[];
+ source_indexes text[];
+ known_interim_history boolean;
+ source_layout text;
+ BEGIN
+ SELECT array_agg(column_name || ':' || udt_name || ':' || coalesce(character_maximum_length::text, '') || ':' || is_nullable ORDER BY column_name)
+ INTO template_columns FROM information_schema.columns WHERE table_schema = 'public' AND table_name = 'email_templates';
+ SELECT array_agg(column_name || ':' || udt_name || ':' || coalesce(character_maximum_length::text, '') || ':' || is_nullable ORDER BY column_name)
+ INTO service_columns FROM information_schema.columns WHERE table_schema = 'public' AND table_name = 'services';
+ SELECT array_agg(column_name || ':' || udt_name || ':' || coalesce(character_maximum_length::text, '') || ':' || is_nullable ORDER BY column_name)
+ INTO definition_columns FROM information_schema.columns WHERE table_schema = 'public' AND table_name = 'email_template_definitions';
+ SELECT EXISTS (SELECT 1 FROM "__EFMigrationsHistory" WHERE "MigrationId" = '20261017070315_EmailTemplateLocalizations') INTO known_interim_history;
+ SELECT array_agg(c.relname || ':' || p.conname || ':' || pg_get_constraintdef(p.oid) ORDER BY c.relname, p.conname)
+ INTO source_constraints FROM pg_constraint p JOIN pg_class c ON c.oid = p.conrelid
+ JOIN pg_namespace n ON n.oid = c.relnamespace WHERE n.nspname = 'public'
+ AND c.relname IN ('services', 'email_template_definitions', 'email_templates');
+ SELECT array_agg(indexdef ORDER BY indexname) INTO source_indexes FROM pg_indexes
+ WHERE schemaname = 'public' AND tablename IN ('services', 'email_template_definitions', 'email_templates');
+ IF to_regclass('public.service_languages') IS NOT NULL THEN
+ RAISE EXCEPTION 'Unsupported email-template source layout: service language catalog already exists without the current migration history.';
+ END IF;
+ IF template_columns = ARRAY['created:timestamptz::NO',
+ 'html_body:text::NO',
+ 'id:uuid::NO',
+ 'key:varchar:100:NO',
+ 'language_code:varchar:10:NO',
+ 'service_name:varchar:100:NO',
+ 'subject:text::NO',
+ 'text_body:text::NO',
+ 'updated:timestamptz::YES',
+ 'variables:jsonb::YES']
+ AND service_columns IS NULL AND definition_columns IS NULL AND NOT known_interim_history
+ AND source_constraints = ARRAY['email_templates:PK_email_templates:PRIMARY KEY (id)']
+ AND source_indexes = ARRAY[
+ 'CREATE UNIQUE INDEX "IX_email_templates_service_name_key_language_code" ON public.email_templates USING btree (service_name, key, language_code)',
+ 'CREATE UNIQUE INDEX "PK_email_templates" ON public.email_templates USING btree (id)'] THEN
+ source_layout := 'flat';
+ ELSIF template_columns = ARRAY['created:timestamptz::NO',
+ 'definition_id:uuid::NO',
+ 'html_body:text::NO',
+ 'id:uuid::NO',
+ 'language_code:varchar:10:NO',
+ 'subject:text::NO',
+ 'text_body:text::NO',
+ 'updated:timestamptz::YES']
+ AND service_columns = ARRAY['created:timestamptz::NO',
+ 'id:uuid::NO',
+ 'name:varchar:100:NO',
+ 'updated:timestamptz::YES']
+ AND definition_columns = ARRAY['created:timestamptz::NO',
+ 'id:uuid::NO',
+ 'key:varchar:100:NO',
+ 'revision:uuid::NO',
+ 'service_id:uuid::NO',
+ 'updated:timestamptz::YES',
+ 'variables:jsonb::NO']
+ AND known_interim_history
+ AND source_constraints = ARRAY[
+ 'email_template_definitions:email_template_definitions_pkey:PRIMARY KEY (id)',
+ 'email_template_definitions:email_template_definitions_service_id_fkey:FOREIGN KEY (service_id) REFERENCES services(id) ON DELETE RESTRICT',
+ 'email_templates:FK_email_templates_email_template_definitions_definition_id:FOREIGN KEY (definition_id) REFERENCES email_template_definitions(id) ON DELETE CASCADE',
+ 'email_templates:PK_email_templates:PRIMARY KEY (id)',
+ 'services:services_pkey:PRIMARY KEY (id)']
+ AND source_indexes = ARRAY[
+ 'CREATE UNIQUE INDEX "IX_email_template_definitions_service_id_key" ON public.email_template_definitions USING btree (service_id, key)',
+ 'CREATE UNIQUE INDEX "IX_email_templates_definition_id_language_code" ON public.email_templates USING btree (definition_id, language_code)',
+ 'CREATE UNIQUE INDEX "IX_services_name" ON public.services USING btree (name)',
+ 'CREATE UNIQUE INDEX "PK_email_templates" ON public.email_templates USING btree (id)',
+ 'CREATE UNIQUE INDEX email_template_definitions_pkey ON public.email_template_definitions USING btree (id)',
+ 'CREATE UNIQUE INDEX services_pkey ON public.services USING btree (id)'] THEN
+ source_layout := 'interim';
+ ELSE
+ RAISE EXCEPTION 'Unsupported email-template source layout or history. Expected the flat legacy schema or the known 20261017070315 interim schema; no changes were made.';
+ END IF;
+ LOCK TABLE email_templates IN ACCESS EXCLUSIVE MODE;
+ IF source_layout = 'interim' THEN
+ LOCK TABLE services, email_template_definitions IN ACCESS EXCLUSIVE MODE;
+ END IF;
+ CREATE TEMP TABLE it1601_migration_origin (layout text NOT NULL) ON COMMIT DROP;
+ INSERT INTO it1601_migration_origin VALUES (source_layout);
+ END $layout$;
+ """;
+
+ private static string InterimUpgrade() => """
+ DO $interim_audit$
+ DECLARE row_record record;
+ BEGIN
+ IF EXISTS (SELECT 1 FROM services WHERE btrim(name) = '')
+ OR EXISTS (SELECT 1 FROM email_template_definitions WHERE btrim(key) = '')
+ OR EXISTS (SELECT 1 FROM email_templates WHERE btrim(language_code) = '') THEN
+ RAISE EXCEPTION 'Invalid blank identity in interim email-template data; no changes were made.';
+ END IF;
+ IF EXISTS (SELECT 1 FROM email_template_definitions d LEFT JOIN services s ON s.id = d.service_id WHERE s.id IS NULL)
+ OR EXISTS (SELECT 1 FROM email_templates t LEFT JOIN email_template_definitions d ON d.id = t.definition_id WHERE d.id IS NULL) THEN
+ RAISE EXCEPTION 'Invalid orphaned reference in interim email-template data; no changes were made.';
+ END IF;
+ FOR row_record IN SELECT d.id, s.name AS service_name, d.key, d.variables FROM email_template_definitions d JOIN services s ON s.id = d.service_id LOOP
+ IF row_record.variables IS NULL OR jsonb_typeof(row_record.variables) <> 'array' THEN
+ RAISE EXCEPTION 'Invalid interim shared variables array: service=%, key=%, definition=%', row_record.service_name, row_record.key, row_record.id;
+ END IF;
+ IF EXISTS (SELECT 1 FROM jsonb_array_elements(row_record.variables) v
+ WHERE jsonb_typeof(v) <> 'object'
+ OR jsonb_typeof(v->'name') IS DISTINCT FROM 'string'
+ OR btrim(v->>'name') = ''
+ OR jsonb_typeof(v->'required') IS DISTINCT FROM 'boolean'
+ OR (v - 'name' - 'required') <> '{}'::jsonb) THEN
+ RAISE EXCEPTION 'Invalid interim shared variables shape: service=%, key=%, definition=%', row_record.service_name, row_record.key, row_record.id;
+ END IF;
+ IF EXISTS (SELECT 1 FROM jsonb_array_elements(row_record.variables) v GROUP BY v->>'name' HAVING count(*) > 1) THEN
+ RAISE EXCEPTION 'Duplicate interim shared variable names: service=%, key=%, definition=%', row_record.service_name, row_record.key, row_record.id;
+ END IF;
+ END LOOP;
+ END $interim_audit$;
+ ALTER TABLE services ADD COLUMN revision uuid;
+ UPDATE services SET revision = gen_random_uuid();
+ ALTER TABLE services ALTER COLUMN revision SET NOT NULL;
+ ALTER TABLE services RENAME CONSTRAINT services_pkey TO "PK_services";
+ ALTER TABLE email_template_definitions RENAME CONSTRAINT email_template_definitions_pkey TO "PK_email_template_definitions";
+ ALTER TABLE email_template_definitions RENAME CONSTRAINT email_template_definitions_service_id_fkey TO "FK_email_template_definitions_services_service_id";
+ ALTER TABLE email_template_definitions ADD CONSTRAINT "AK_email_template_definitions_id_service_id" UNIQUE(id, service_id);
+ CREATE TABLE service_languages (
+ id uuid CONSTRAINT "PK_service_languages" PRIMARY KEY, service_id uuid NOT NULL,
+ code varchar(10) NOT NULL, created timestamptz NOT NULL, updated timestamptz NULL,
+ CONSTRAINT "AK_service_languages_id_service_id" UNIQUE(id, service_id),
+ CONSTRAINT "FK_service_languages_services_service_id" FOREIGN KEY(service_id) REFERENCES services(id) ON DELETE RESTRICT);
+ CREATE UNIQUE INDEX "IX_service_languages_service_id_code" ON service_languages(service_id, code);
+ INSERT INTO service_languages(id, service_id, code, created, updated)
+ SELECT gen_random_uuid(), d.service_id, t.language_code, min(t.created), max(t.updated)
+ FROM email_templates t JOIN email_template_definitions d ON d.id = t.definition_id GROUP BY d.service_id, t.language_code;
+ ALTER TABLE email_templates ADD COLUMN service_id uuid, ADD COLUMN service_language_id uuid;
+ UPDATE email_templates t SET service_id = d.service_id, service_language_id = l.id
+ FROM email_template_definitions d JOIN service_languages l ON l.service_id = d.service_id
+ WHERE t.definition_id = d.id AND t.language_code = l.code;
+ ALTER TABLE email_templates ALTER COLUMN service_id SET NOT NULL, ALTER COLUMN service_language_id SET NOT NULL;
+ ALTER TABLE email_templates ADD CONSTRAINT "FK_email_templates_email_template_definitions_definition_id_se~"
+ FOREIGN KEY (definition_id, service_id) REFERENCES email_template_definitions(id, service_id) ON DELETE CASCADE;
+ ALTER TABLE email_templates ADD CONSTRAINT "FK_email_templates_service_languages_service_language_id_servi~"
+ FOREIGN KEY (service_language_id, service_id) REFERENCES service_languages(id, service_id) ON DELETE RESTRICT;
+ ALTER TABLE email_templates DROP CONSTRAINT "FK_email_templates_email_template_definitions_definition_id";
+ DROP INDEX "IX_email_templates_definition_id_language_code";
+ ALTER TABLE email_templates DROP COLUMN language_code;
+ CREATE UNIQUE INDEX "IX_email_templates_definition_id_service_language_id" ON email_templates(definition_id, service_language_id);
+ CREATE INDEX "IX_email_templates_definition_id_service_id" ON email_templates(definition_id, service_id);
+ CREATE INDEX "IX_email_templates_service_language_id_service_id" ON email_templates(service_language_id, service_id);
+ """;
+}
diff --git a/HrynCo.NotificationService.DAL.EF/Migrations/NotificationDbContextModelSnapshot.cs b/HrynCo.NotificationService.DAL.EF/Migrations/NotificationDbContextModelSnapshot.cs
index 125decf..52c206f 100644
--- a/HrynCo.NotificationService.DAL.EF/Migrations/NotificationDbContextModelSnapshot.cs
+++ b/HrynCo.NotificationService.DAL.EF/Migrations/NotificationDbContextModelSnapshot.cs
@@ -17,7 +17,7 @@ namespace HrynCo.NotificationService.DAL.EF.Migrations
{
#pragma warning disable 612, 618
modelBuilder
- .HasAnnotation("ProductVersion", "9.0.5")
+ .HasAnnotation("ProductVersion", "10.0.7")
.HasAnnotation("Relational:MaxIdentifierLength", 63);
NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
@@ -114,6 +114,44 @@ namespace HrynCo.NotificationService.DAL.EF.Migrations
b.ToTable("email_channel_usage", (string)null);
});
+ modelBuilder.Entity("HrynCo.NotificationService.DAL.EF.Entities.EmailTemplateDefinitionEntity", b =>
+ {
+ b.Property("Id")
+ .ValueGeneratedOnAdd()
+ .HasColumnType("uuid")
+ .HasColumnName("id");
+
+ b.Property("Created")
+ .HasColumnType("timestamp with time zone")
+ .HasColumnName("created");
+
+ b.Property("Key")
+ .IsRequired()
+ .HasMaxLength(100)
+ .HasColumnType("character varying(100)")
+ .HasColumnName("key");
+
+ b.Property("Revision")
+ .IsConcurrencyToken()
+ .HasColumnType("uuid")
+ .HasColumnName("revision");
+
+ b.Property("ServiceId")
+ .HasColumnType("uuid")
+ .HasColumnName("service_id");
+
+ b.Property("Updated")
+ .HasColumnType("timestamp with time zone")
+ .HasColumnName("updated");
+
+ b.HasKey("Id");
+
+ b.HasIndex("ServiceId", "Key")
+ .IsUnique();
+
+ b.ToTable("email_template_definitions", (string)null);
+ });
+
modelBuilder.Entity("HrynCo.NotificationService.DAL.EF.Entities.EmailTemplateEntity", b =>
{
b.Property("Id")
@@ -125,28 +163,22 @@ namespace HrynCo.NotificationService.DAL.EF.Migrations
.HasColumnType("timestamp with time zone")
.HasColumnName("created");
+ b.Property("DefinitionId")
+ .HasColumnType("uuid")
+ .HasColumnName("definition_id");
+
b.Property("HtmlBody")
.IsRequired()
.HasColumnType("text")
.HasColumnName("html_body");
- b.Property("Key")
- .IsRequired()
- .HasMaxLength(100)
- .HasColumnType("character varying(100)")
- .HasColumnName("key");
+ b.Property("ServiceId")
+ .HasColumnType("uuid")
+ .HasColumnName("service_id");
- b.Property("LanguageCode")
- .IsRequired()
- .HasMaxLength(10)
- .HasColumnType("character varying(10)")
- .HasColumnName("language_code");
-
- b.Property("ServiceName")
- .IsRequired()
- .HasMaxLength(100)
- .HasColumnType("character varying(100)")
- .HasColumnName("service_name");
+ b.Property("ServiceLanguageId")
+ .HasColumnType("uuid")
+ .HasColumnName("service_language_id");
b.Property("Subject")
.IsRequired()
@@ -164,12 +196,83 @@ namespace HrynCo.NotificationService.DAL.EF.Migrations
b.HasKey("Id");
- b.HasIndex("ServiceName", "Key", "LanguageCode")
+ b.HasIndex("DefinitionId", "ServiceId");
+
+ b.HasIndex("DefinitionId", "ServiceLanguageId")
.IsUnique();
+ b.HasIndex("ServiceLanguageId", "ServiceId");
+
b.ToTable("email_templates", (string)null);
});
+ modelBuilder.Entity("HrynCo.NotificationService.DAL.EF.Entities.ServiceEntity", b =>
+ {
+ b.Property("Id")
+ .ValueGeneratedOnAdd()
+ .HasColumnType("uuid")
+ .HasColumnName("id");
+
+ b.Property("Created")
+ .HasColumnType("timestamp with time zone")
+ .HasColumnName("created");
+
+ b.Property("Name")
+ .IsRequired()
+ .HasMaxLength(100)
+ .HasColumnType("character varying(100)")
+ .HasColumnName("name");
+
+ b.Property("Revision")
+ .IsConcurrencyToken()
+ .HasColumnType("uuid")
+ .HasColumnName("revision");
+
+ b.Property("Updated")
+ .HasColumnType("timestamp with time zone")
+ .HasColumnName("updated");
+
+ b.HasKey("Id");
+
+ b.HasIndex("Name")
+ .IsUnique();
+
+ b.ToTable("services", (string)null);
+ });
+
+ modelBuilder.Entity("HrynCo.NotificationService.DAL.EF.Entities.ServiceLanguageEntity", b =>
+ {
+ b.Property("Id")
+ .ValueGeneratedOnAdd()
+ .HasColumnType("uuid")
+ .HasColumnName("id");
+
+ b.Property("Code")
+ .IsRequired()
+ .HasMaxLength(10)
+ .HasColumnType("character varying(10)")
+ .HasColumnName("code");
+
+ b.Property("Created")
+ .HasColumnType("timestamp with time zone")
+ .HasColumnName("created");
+
+ b.Property("ServiceId")
+ .HasColumnType("uuid")
+ .HasColumnName("service_id");
+
+ b.Property("Updated")
+ .HasColumnType("timestamp with time zone")
+ .HasColumnName("updated");
+
+ b.HasKey("Id");
+
+ b.HasIndex("ServiceId", "Code")
+ .IsUnique();
+
+ b.ToTable("service_languages", (string)null);
+ });
+
modelBuilder.Entity("HrynCo.NotificationService.DAL.EF.Entities.EmailChannelUsageEntity", b =>
{
b.HasOne("HrynCo.NotificationService.DAL.EF.Entities.EmailChannelEntity", null)
@@ -179,43 +282,91 @@ namespace HrynCo.NotificationService.DAL.EF.Migrations
.IsRequired();
});
- modelBuilder.Entity("HrynCo.NotificationService.DAL.EF.Entities.EmailTemplateEntity", b =>
+ modelBuilder.Entity("HrynCo.NotificationService.DAL.EF.Entities.EmailTemplateDefinitionEntity", b =>
{
+ b.HasOne("HrynCo.NotificationService.DAL.EF.Entities.ServiceEntity", "Service")
+ .WithMany()
+ .HasForeignKey("ServiceId")
+ .OnDelete(DeleteBehavior.Restrict)
+ .IsRequired();
+
b.OwnsMany("HrynCo.NotificationService.DAL.EF.Entities.EmailTemplateVariableData", "Variables", b1 =>
{
- b1.Property("EmailTemplateEntityId")
- .HasColumnType("uuid");
+ b1.Property("EmailTemplateDefinitionEntityId");
b1.Property("__synthesizedOrdinal")
- .ValueGeneratedOnAdd()
- .HasColumnType("integer");
+ .ValueGeneratedOnAdd();
b1.Property("Name")
.IsRequired()
- .HasColumnType("text")
- .HasAnnotation("Relational:JsonPropertyName", "name");
+ .HasJsonPropertyName("name");
b1.Property("Required")
- .HasColumnType("boolean")
- .HasAnnotation("Relational:JsonPropertyName", "required");
+ .HasJsonPropertyName("required");
- b1.HasKey("EmailTemplateEntityId", "__synthesizedOrdinal");
+ b1.HasKey("EmailTemplateDefinitionEntityId", "__synthesizedOrdinal");
- b1.ToTable("email_templates");
+ b1.ToTable("email_template_definitions");
- b1.ToJson("variables");
+ b1
+ .ToJson("variables")
+ .HasColumnType("jsonb");
b1.WithOwner()
- .HasForeignKey("EmailTemplateEntityId");
+ .HasForeignKey("EmailTemplateDefinitionEntityId");
});
+ b.Navigation("Service");
+
b.Navigation("Variables");
});
+ modelBuilder.Entity("HrynCo.NotificationService.DAL.EF.Entities.EmailTemplateEntity", b =>
+ {
+ b.HasOne("HrynCo.NotificationService.DAL.EF.Entities.EmailTemplateDefinitionEntity", "Definition")
+ .WithMany("Languages")
+ .HasForeignKey("DefinitionId", "ServiceId")
+ .HasPrincipalKey("Id", "ServiceId")
+ .OnDelete(DeleteBehavior.Cascade)
+ .IsRequired();
+
+ b.HasOne("HrynCo.NotificationService.DAL.EF.Entities.ServiceLanguageEntity", "ServiceLanguage")
+ .WithMany()
+ .HasForeignKey("ServiceLanguageId", "ServiceId")
+ .HasPrincipalKey("Id", "ServiceId")
+ .OnDelete(DeleteBehavior.Restrict)
+ .IsRequired();
+
+ b.Navigation("Definition");
+
+ b.Navigation("ServiceLanguage");
+ });
+
+ modelBuilder.Entity("HrynCo.NotificationService.DAL.EF.Entities.ServiceLanguageEntity", b =>
+ {
+ b.HasOne("HrynCo.NotificationService.DAL.EF.Entities.ServiceEntity", "Service")
+ .WithMany("Languages")
+ .HasForeignKey("ServiceId")
+ .OnDelete(DeleteBehavior.Restrict)
+ .IsRequired();
+
+ b.Navigation("Service");
+ });
+
modelBuilder.Entity("HrynCo.NotificationService.DAL.EF.Entities.EmailChannelEntity", b =>
{
b.Navigation("UsageRecords");
});
+
+ modelBuilder.Entity("HrynCo.NotificationService.DAL.EF.Entities.EmailTemplateDefinitionEntity", b =>
+ {
+ b.Navigation("Languages");
+ });
+
+ modelBuilder.Entity("HrynCo.NotificationService.DAL.EF.Entities.ServiceEntity", b =>
+ {
+ b.Navigation("Languages");
+ });
#pragma warning restore 612, 618
}
}
diff --git a/HrynCo.NotificationService.DAL.EF/NotificationDbContext.cs b/HrynCo.NotificationService.DAL.EF/NotificationDbContext.cs
index bcf61e3..be060b3 100644
--- a/HrynCo.NotificationService.DAL.EF/NotificationDbContext.cs
+++ b/HrynCo.NotificationService.DAL.EF/NotificationDbContext.cs
@@ -10,6 +10,9 @@ public class NotificationDbContext : DbContext
{
}
+ internal DbSet ServiceLanguages => Set();
+ internal DbSet Services => Set();
+ internal DbSet TemplateDefinitions => Set();
internal DbSet Templates => Set();
internal DbSet Providers => Set();
internal DbSet EmailChannelUsage => Set();
diff --git a/HrynCo.NotificationService.DAL.EF/Repositories/EmailChannelRepository.cs b/HrynCo.NotificationService.DAL.EF/Repositories/EmailChannelRepository.cs
index 8234425..cca409c 100644
--- a/HrynCo.NotificationService.DAL.EF/Repositories/EmailChannelRepository.cs
+++ b/HrynCo.NotificationService.DAL.EF/Repositories/EmailChannelRepository.cs
@@ -54,7 +54,7 @@ internal sealed class EmailChannelRepository : NotificationBaseRepository GetByIdAsync(Guid id, CancellationToken ct = default)
{
- EmailChannelEntity? entity = await EfRepository.GetByIdAsync(id);
+ EmailChannelEntity? entity = await EfRepository.Get().AsNoTracking().SingleOrDefaultAsync(c => c.Id == id, ct);
return entity is null ? null : MapToDomain(entity);
}
diff --git a/HrynCo.NotificationService.DAL.EF/Repositories/EmailTemplateRepository.cs b/HrynCo.NotificationService.DAL.EF/Repositories/EmailTemplateRepository.cs
index b7fe3a9..388c271 100644
--- a/HrynCo.NotificationService.DAL.EF/Repositories/EmailTemplateRepository.cs
+++ b/HrynCo.NotificationService.DAL.EF/Repositories/EmailTemplateRepository.cs
@@ -1,120 +1,324 @@
using HrynCo.NotificationService.DAL.Abstract.Repositories;
using HrynCo.NotificationService.DAL.Abstract.Templates;
-using HrynCo.NotificationService.DAL.EF.Core;
using HrynCo.NotificationService.DAL.EF.Entities;
using Microsoft.EntityFrameworkCore;
namespace HrynCo.NotificationService.DAL.EF.Repositories;
-internal sealed class EmailTemplateRepository
- : NotificationBaseRepository, IEmailTemplateRepository
+internal sealed class EmailTemplateRepository(NotificationDbContext db, TemplateMutationRunner mutations)
+ : IEmailTemplateRepository, IEmailTemplateDefinitionRepository
{
- public EmailTemplateRepository(NotificationDbContext dbContext) : base(dbContext)
- {
- }
+ private IQueryable Languages => db.Templates
+ .Include(t => t.Definition).ThenInclude(d => d.Service).Include(t => t.ServiceLanguage);
+ private IQueryable Definitions => db.TemplateDefinitions
+ .Include(d => d.Service).ThenInclude(s => s.Languages)
+ .Include(d => d.Languages).ThenInclude(t => t.ServiceLanguage);
public async Task> GetAllAsync(string? serviceName = null, string? key = null, CancellationToken ct = default)
{
- IQueryable query = EfRepository.Get();
-
+ var query = Languages.AsNoTracking();
if (!string.IsNullOrWhiteSpace(serviceName))
- {
- query = query.Where(x => x.ServiceName == serviceName);
- }
-
+ query = query.Where(t => t.Definition.Service.Name == serviceName);
if (!string.IsNullOrWhiteSpace(key))
- {
- query = query.Where(x => x.Key == key);
- }
-
- List entities = await query
- .OrderBy(x => x.ServiceName).ThenBy(x => x.Key)
- .AsNoTracking()
- .ToListAsync(ct);
- return entities.Select(MapToDomain).ToList();
+ query = query.Where(t => t.Definition.Key == key);
+ var entities = await query.OrderBy(t => t.Definition.Service.Name).ThenBy(t => t.Definition.Key)
+ .ThenBy(t => t.ServiceLanguage.Code).ToListAsync(ct);
+ return entities.Select(MapLanguage).ToList();
}
- public async Task> GetByServiceAsync(string serviceName, CancellationToken ct = default)
- {
- List entities = await EfRepository.Get()
- .AsNoTracking()
- .Where(x => x.ServiceName == serviceName)
- .ToListAsync(ct);
-
- return entities.Select(MapToDomain).ToList();
- }
+ public Task> GetByServiceAsync(string serviceName, CancellationToken ct = default) =>
+ GetAllAsync(serviceName, ct: ct);
public async Task GetAsync(string serviceName, string key, string languageCode, CancellationToken ct = default)
{
- EmailTemplateEntity? entity = await EfRepository.Get()
- .AsNoTracking()
- .FirstOrDefaultAsync(
- x => x.ServiceName == serviceName && x.Key == key && x.LanguageCode == languageCode, ct);
-
- return entity is null ? null : MapToDomain(entity);
+ var code = languageCode;
+ var entity = await Languages.AsNoTracking().SingleOrDefaultAsync(t =>
+ t.Definition.Service.Name == serviceName && t.Definition.Key == key && t.ServiceLanguage.Code == code, ct);
+ return entity is null ? null : MapLanguage(entity);
}
- public Task AddAsync(EmailTemplate EmailTemplate, CancellationToken ct = default)
+ public async Task GetDefinitionAsync(string serviceName, string key, CancellationToken ct = default)
{
- return EfRepository.AddAsync(MapToEntity(EmailTemplate));
+ var entity = await Definitions.AsNoTracking().SingleOrDefaultAsync(d => d.Service.Name == serviceName && d.Key == key, ct);
+ return entity is null ? null : MapDefinition(entity);
}
- public async Task UpdateAsync(EmailTemplate EmailTemplate, CancellationToken ct = default)
+ public async Task GetDefinitionAsync(Guid serviceId, string key, CancellationToken ct = default)
{
- EmailTemplateEntity? entity = await EfRepository.Get()
- .FirstOrDefaultAsync(x => x.Id == EmailTemplate.Id, ct);
+ var entity = await Definitions.AsNoTracking().SingleOrDefaultAsync(d => d.ServiceId == serviceId && d.Key == key, ct);
+ return entity is null ? null : MapDefinition(entity);
+ }
- if (entity is null)
+ public async Task UpsertDefinitionAsync(EmailTemplateDefinitionPatch patch, CancellationToken ct = default)
+ {
+ EmailTemplateDefinitionEntity? saved = null;
+ await mutations.ExecuteAsync(async () =>
{
- return;
+ var service = await db.Services.Include(s => s.Languages).SingleOrDefaultAsync(s => s.Id == patch.ServiceId, ct);
+ if (service is null)
+ return;
+ ValidatePatch(patch, service);
+ var entity = await LoadForUpsertAsync(patch, service, ct);
+ entity.Variables = MapVariables(patch.Variables);
+ var removed = patch.RemoveLanguageCodes.ToHashSet(StringComparer.Ordinal);
+ db.Templates.RemoveRange(entity.Languages.Where(t => removed.Contains(t.ServiceLanguage.Code)));
+ // Omitted translations are retained. Only explicitly supplied content is changed.
+ UpsertLanguages(entity, patch.Translations);
+ Touch(entity);
+ saved = entity;
+ }, ct);
+ return saved is null ? null : MapDefinition(saved);
+ }
+
+ private async Task LoadForUpsertAsync(EmailTemplateDefinitionPatch patch, ServiceEntity service, CancellationToken ct)
+ {
+ var entity = await Definitions.SingleOrDefaultAsync(d => d.ServiceId == patch.ServiceId && d.Key == patch.Key, ct);
+ if (patch.Revision is null)
+ {
+ if (entity is not null)
+ throw new EmailTemplateWriteException("A definition with this service and key already exists. Read its revision before updating.");
+ entity = new EmailTemplateDefinitionEntity { Service = service, ServiceId = service.Id, Key = patch.Key, Created = DateTimeOffset.UtcNow };
+ db.TemplateDefinitions.Add(entity);
+ return entity;
}
-
- entity.ServiceName = EmailTemplate.ServiceName;
- entity.Key = EmailTemplate.Key;
- entity.LanguageCode = EmailTemplate.LanguageCode;
- entity.Subject = EmailTemplate.Subject;
- entity.HtmlBody = EmailTemplate.HtmlBody;
- entity.TextBody = EmailTemplate.TextBody;
- entity.Variables = EmailTemplate.Variables
- .Select(v => new EmailTemplateVariableData { Name = v.Name, Required = v.Required })
- .ToList();
-
- await EfRepository.SaveChangesAsync();
+ if (entity is null || entity.Revision != patch.Revision)
+ throw new EmailTemplateWriteException("The definition is missing or its revision changed. Read it again before updating.");
+ return entity;
}
- public async Task DeleteAsync(EmailTemplate EmailTemplate, CancellationToken ct = default)
+ private static void ValidatePatch(EmailTemplateDefinitionPatch patch, ServiceEntity service)
{
- EmailTemplateEntity? entity = await EfRepository.Get()
- .FirstOrDefaultAsync(x => x.Id == EmailTemplate.Id, ct);
- if (entity is not null)
- await EfRepository.DeleteAsync(entity);
+ EmailTemplateValidation.ValidateDefinition(new EmailTemplateDefinition
+ {
+ ServiceId = service.Id, ServiceName = service.Name, Key = patch.Key,
+ Variables = patch.Variables, Languages = patch.Translations
+ });
+ if (patch.Revision == Guid.Empty)
+ throw new EmailTemplateWriteException("Revision must be null for creation or a nonempty revision from the last read for update.", false);
+ var removed = patch.RemoveLanguageCodes;
+ if (removed.Any(string.IsNullOrWhiteSpace) || removed.Distinct(StringComparer.Ordinal).Count() != removed.Count)
+ throw new EmailTemplateWriteException("removeLanguageCodes must contain unique nonblank language codes.", false);
+ var supplied = patch.Translations.Select(t => t.LanguageCode).ToHashSet(StringComparer.Ordinal);
+ if (removed.Any(supplied.Contains))
+ throw new EmailTemplateWriteException("A language cannot be supplied and removed in the same request.", false);
+ var supported = service.Languages.Select(l => l.Code).ToHashSet(StringComparer.Ordinal);
+ if (supplied.Concat(removed).Any(code => !supported.Contains(code)))
+ throw new EmailTemplateWriteException("Every supplied or removed language must exactly match a code in this service's catalog.", false);
}
- private static EmailTemplate MapToDomain(EmailTemplateEntity e) => new()
+ public async Task> GetDefinitionsAsync(Guid serviceId, CancellationToken ct = default)
{
- Id = e.Id,
- ServiceName = e.ServiceName,
- Key = e.Key,
- LanguageCode = e.LanguageCode,
- Subject = e.Subject,
- HtmlBody = e.HtmlBody,
- TextBody = e.TextBody,
- Variables = e.Variables.Select(v => new EmailTemplateVariable { Name = v.Name, Required = v.Required }).ToList(),
- Created = e.Created,
- Updated = e.Updated
+ var entities = await Definitions.AsNoTracking().Where(d => d.ServiceId == serviceId).OrderBy(d => d.Key).ToListAsync(ct);
+ return entities.Select(MapDefinition).ToList();
+ }
+
+ public async Task DeleteDefinitionAsync(Guid serviceId, string key, Guid revision, CancellationToken ct = default)
+ {
+ var removed = false;
+ await mutations.ExecuteAsync(async () =>
+ {
+ if (string.IsNullOrWhiteSpace(key) || key.Length > 100 || revision == Guid.Empty)
+ throw new EmailTemplateWriteException("An exact key (at most 100 characters) and a nonempty revision are required.", false);
+ var definition = await Definitions.SingleOrDefaultAsync(d => d.ServiceId == serviceId && d.Key == key, ct);
+ if (definition is null)
+ return;
+ if (definition.Revision != revision)
+ throw new EmailTemplateWriteException("The definition revision changed. Read it again before deleting.");
+ db.TemplateDefinitions.Remove(definition);
+ removed = true;
+ }, ct);
+ return removed;
+ }
+
+ public Task AddAsync(EmailTemplate template, CancellationToken ct = default) => mutations.ExecuteAsync(async () =>
+ {
+ ValidateLegacy(template);
+ var definition = await FindDefinitionAsync(template.ServiceName, template.Key, ct);
+ if (definition is null)
+ {
+ await RequireServiceLanguageAsync(template.ServiceName, template.LanguageCode, ct);
+ definition = await CreateDefinitionAsync(template.ServiceName, template.Key, template.Variables, ct);
+ }
+ EnsureMatchingContract(definition, template.Variables);
+ await RequireServiceLanguageAsync(template.ServiceName, template.LanguageCode, ct);
+ var code = template.LanguageCode;
+ if (definition.Languages.Any(t => t.ServiceLanguage.Code == code))
+ throw new EmailTemplateWriteException("This language already exists for the template.");
+ var language = NewLanguage(template, definition);
+ definition.Languages.Add(language);
+ db.Templates.Add(language);
+ Touch(definition);
+ }, ct);
+
+ public Task UpdateAsync(EmailTemplate template, CancellationToken ct = default) => mutations.ExecuteAsync(async () =>
+ {
+ ValidateLegacy(template);
+ var definition = await RequireDefinitionAsync(template.ServiceName, template.Key, ct);
+ EnsureMatchingContract(definition, template.Variables);
+ var language = definition.Languages.SingleOrDefault(t => t.Id == template.Id)
+ ?? throw new EmailTemplateWriteException("The language changed or was removed. Reload the template.");
+ SetContent(language, template);
+ Touch(definition);
+ }, ct);
+
+ public Task DeleteAsync(EmailTemplate template, CancellationToken ct = default) => mutations.ExecuteAsync(async () =>
+ {
+ var definition = await RequireDefinitionAsync(template.ServiceName, template.Key, ct);
+ var language = definition.Languages.SingleOrDefault(t => t.Id == template.Id)
+ ?? throw new EmailTemplateWriteException("The language changed or was removed. Reload the template.");
+ db.Templates.Remove(language);
+ Touch(definition);
+ }, ct);
+
+ public Task SaveDefinitionAsync(EmailTemplateDefinition definition, bool isNew, CancellationToken ct = default) => mutations.ExecuteAsync(async () =>
+ {
+ EmailTemplateValidation.ValidateDefinition(definition);
+ await ValidateServiceLanguagesAsync(definition, ct);
+ var entity = await LoadForSaveAsync(definition, isNew, ct);
+ entity.Variables = MapVariables(definition.Variables);
+ SynchronizeLanguages(entity, definition.Languages);
+ Touch(entity);
+ definition.Id = entity.Id;
+ definition.Revision = entity.Revision;
+ }, ct);
+
+ private async Task LoadForSaveAsync(EmailTemplateDefinition model, bool isNew, CancellationToken ct)
+ {
+ var entity = await FindDefinitionAsync(model.ServiceName, model.Key, ct);
+ if (isNew)
+ {
+ if (entity is not null)
+ throw new EmailTemplateWriteException("A template with this service and key already exists.");
+ return await CreateDefinitionAsync(model.ServiceName, model.Key, model.Variables, ct);
+ }
+ if (entity is null || entity.Id != model.Id || entity.Revision != model.Revision)
+ throw new EmailTemplateWriteException("This template changed after you opened it. Reload before saving; your entered values are retained.");
+ return entity;
+ }
+
+ private void SynchronizeLanguages(EmailTemplateDefinitionEntity definition, IReadOnlyList languages)
+ {
+ var codes = languages.Select(t => t.LanguageCode).ToHashSet(StringComparer.Ordinal);
+ db.Templates.RemoveRange(definition.Languages.Where(t => !codes.Contains(t.ServiceLanguage.Code)));
+ UpsertLanguages(definition, languages);
+ }
+
+ private void UpsertLanguages(EmailTemplateDefinitionEntity definition, IReadOnlyList languages)
+ {
+ foreach (var model in languages)
+ {
+ var code = model.LanguageCode;
+ var entity = definition.Languages.SingleOrDefault(t => t.ServiceLanguage.Code == code);
+ if (entity is null)
+ {
+ var language = NewLanguage(model, definition);
+ definition.Languages.Add(language);
+ db.Templates.Add(language);
+ }
+ else
+ SetContent(entity, model);
+ }
+ }
+
+ public async Task> GetDefinitionsAsync(string? serviceName = null, string? key = null, CancellationToken ct = default)
+ {
+ var query = Definitions.AsNoTracking();
+ if (!string.IsNullOrWhiteSpace(serviceName))
+ query = query.Where(d => d.Service.Name == serviceName);
+ if (!string.IsNullOrWhiteSpace(key))
+ query = query.Where(d => d.Key == key);
+ var entities = await query.OrderBy(d => d.Service.Name).ThenBy(d => d.Key).ToListAsync(ct);
+ return entities.Select(MapDefinition).ToList();
+ }
+
+ private async Task RequireServiceLanguageAsync(string serviceName, string code, CancellationToken ct)
+ {
+ if (!await db.ServiceLanguages.AnyAsync(l => l.Service.Name == serviceName && l.Code == code, ct))
+ throw new EmailTemplateWriteException("Language is not in this service's catalog. Add it in the service editor first.", false);
+ }
+
+ private async Task ValidateServiceLanguagesAsync(EmailTemplateDefinition definition, CancellationToken ct)
+ {
+ var service = await db.Services.Include(s => s.Languages).SingleOrDefaultAsync(s => s.Name == definition.ServiceName
+ && (definition.ServiceId == Guid.Empty || s.Id == definition.ServiceId), ct)
+ ?? throw new EmailTemplateWriteException("Service does not exist. Create the service first.", false);
+ var codes = service.Languages.Select(l => l.Code).ToHashSet(StringComparer.Ordinal);
+ if (definition.Languages.Any(l => !codes.Contains(l.LanguageCode)))
+ throw new EmailTemplateWriteException("Language is not in this service's catalog. Add it in the service editor first.", false);
+ }
+
+ private Task FindDefinitionAsync(string serviceName, string key, CancellationToken ct) =>
+ Definitions.SingleOrDefaultAsync(d => d.Service.Name == serviceName && d.Key == key, ct);
+
+ private async Task RequireDefinitionAsync(string serviceName, string key, CancellationToken ct) =>
+ await FindDefinitionAsync(serviceName, key, ct)
+ ?? throw new EmailTemplateWriteException("The template was removed. Reload the template list.");
+
+ private async Task CreateDefinitionAsync(string serviceName, string key,
+ IReadOnlyList variables, CancellationToken ct)
+ {
+ var service = await db.Services.Include(s => s.Languages).SingleOrDefaultAsync(s => s.Name == serviceName, ct)
+ ?? throw new EmailTemplateWriteException("Service does not exist. Create the service and its language codes first.", false);
+ var entity = new EmailTemplateDefinitionEntity
+ {
+ Service = service, Key = key, Variables = MapVariables(variables), Created = DateTimeOffset.UtcNow
+ };
+ db.TemplateDefinitions.Add(entity);
+ return entity;
+ }
+
+ private static void ValidateLegacy(EmailTemplate template)
+ {
+ EmailTemplateValidation.ValidateIdentity(template.ServiceName, template.Key);
+ EmailTemplateValidation.ValidateLanguage(template);
+ EmailTemplateValidation.ValidateVariables(template.Variables);
+ }
+
+ private static void EnsureMatchingContract(EmailTemplateDefinitionEntity definition, IReadOnlyList variables)
+ {
+ var shared = definition.Variables.Select(v => new EmailTemplateVariable { Name = v.Name, Required = v.Required }).ToList();
+ if (!EmailTemplateValidation.ContractsEqual(shared, variables))
+ throw new EmailTemplateWriteException("Variables conflict with the shared template contract. Edit shared variables in the template editor.");
+ }
+
+ private static void Touch(EmailTemplateDefinitionEntity definition)
+ {
+ definition.Revision = Guid.NewGuid();
+ definition.Updated = DateTimeOffset.UtcNow;
+ }
+
+ private static List MapVariables(IReadOnlyList variables) =>
+ variables.Select(v => new EmailTemplateVariableData { Name = v.Name, Required = v.Required }).ToList();
+
+ private static EmailTemplateEntity NewLanguage(EmailTemplate model, EmailTemplateDefinitionEntity definition) => new()
+ {
+ Id = model.Id, Definition = definition, ServiceId = definition.Service.Id,
+ ServiceLanguage = definition.Service.Languages.SingleOrDefault(l => l.Code == model.LanguageCode)
+ ?? throw new EmailTemplateWriteException("Language is not in this service's catalog. Add it in the service editor first.", false),
+ Subject = model.Subject, HtmlBody = model.HtmlBody, TextBody = model.TextBody, Created = model.Created
};
- private static EmailTemplateEntity MapToEntity(EmailTemplate t) => new()
+ private static void SetContent(EmailTemplateEntity entity, EmailTemplate model)
{
- Id = t.Id,
- ServiceName = t.ServiceName,
- Key = t.Key,
- LanguageCode = t.LanguageCode,
- Subject = t.Subject,
- HtmlBody = t.HtmlBody,
- TextBody = t.TextBody,
- Variables = t.Variables.Select(v => new EmailTemplateVariableData { Name = v.Name, Required = v.Required }).ToList(),
- Created = t.Created,
- Updated = t.Updated
+ entity.Subject = model.Subject;
+ entity.HtmlBody = model.HtmlBody;
+ entity.TextBody = model.TextBody;
+ entity.Updated = DateTimeOffset.UtcNow;
+ }
+
+ private static EmailTemplate MapLanguage(EmailTemplateEntity entity) => new()
+ {
+ Id = entity.Id, ServiceName = entity.Definition.Service.Name, Key = entity.Definition.Key,
+ LanguageCode = entity.ServiceLanguage.Code, Subject = entity.Subject, HtmlBody = entity.HtmlBody, TextBody = entity.TextBody,
+ Variables = entity.Definition.Variables.Select(v => new EmailTemplateVariable { Name = v.Name, Required = v.Required }).ToList(),
+ Created = entity.Created, Updated = entity.Updated
+ };
+
+ private static EmailTemplateDefinition MapDefinition(EmailTemplateDefinitionEntity entity) => new()
+ {
+ Id = entity.Id, ServiceId = entity.ServiceId, ServiceName = entity.Service.Name, Key = entity.Key, Revision = entity.Revision,
+ Variables = entity.Variables.Select(v => new EmailTemplateVariable { Name = v.Name, Required = v.Required }).ToList(),
+ Languages = entity.Languages.OrderBy(t => t.ServiceLanguage.Code).Select(MapLanguage).ToList(),
+ Created = entity.Created, Updated = entity.Updated
};
}
diff --git a/HrynCo.NotificationService.DAL.EF/Repositories/NotificationServiceRepository.cs b/HrynCo.NotificationService.DAL.EF/Repositories/NotificationServiceRepository.cs
new file mode 100644
index 0000000..8c77c61
--- /dev/null
+++ b/HrynCo.NotificationService.DAL.EF/Repositories/NotificationServiceRepository.cs
@@ -0,0 +1,215 @@
+using HrynCo.NotificationService.DAL.Abstract.Repositories;
+using HrynCo.NotificationService.DAL.Abstract.Templates;
+using HrynCo.NotificationService.DAL.EF.Entities;
+using Microsoft.EntityFrameworkCore;
+
+namespace HrynCo.NotificationService.DAL.EF.Repositories;
+
+internal sealed class NotificationServiceRepository(NotificationDbContext db, TemplateMutationRunner mutations) : INotificationServiceRepository
+{
+ public async Task> GetAllAsync(CancellationToken ct = default)
+ {
+ var services = await db.Services.AsNoTracking().Include(s => s.Languages).OrderBy(s => s.Name).ToListAsync(ct);
+ var counts = await VersionCountsAsync(ct);
+ return services.Select(s => Map(s, counts)).ToList();
+ }
+
+ public async Task GetAsync(Guid id, CancellationToken ct = default)
+ {
+ var service = await db.Services.AsNoTracking().Include(s => s.Languages).SingleOrDefaultAsync(s => s.Id == id, ct);
+ return service is null ? null : Map(service, await VersionCountsAsync(ct));
+ }
+
+ public async Task GetByNameAsync(string name, CancellationToken ct = default)
+ {
+ var service = await db.Services.AsNoTracking().Include(s => s.Languages).SingleOrDefaultAsync(s => s.Name == name, ct);
+ return service is null ? null : Map(service, await VersionCountsAsync(ct));
+ }
+
+ public async Task DeleteAsync(Guid id, Guid revision, CancellationToken ct = default)
+ {
+ var removed = false;
+ await mutations.ExecuteAsync(async () =>
+ {
+ if (revision == Guid.Empty)
+ throw new EmailTemplateWriteException("A nonempty service revision is required.", false);
+ var service = await db.Services.Include(s => s.Languages).SingleOrDefaultAsync(s => s.Id == id, ct);
+ if (service is null)
+ return;
+ if (service.Revision != revision)
+ throw new EmailTemplateWriteException("The service revision changed. Read it again before deleting.");
+ if (await db.TemplateDefinitions.AnyAsync(d => d.ServiceId == id, ct))
+ throw new EmailTemplateWriteException("Remove every template definition before deleting this service, including definitions without translations.");
+ db.ServiceLanguages.RemoveRange(service.Languages);
+ db.Services.Remove(service);
+ removed = true;
+ }, ct);
+ return removed;
+ }
+
+ public Task SaveAsync(NotificationServiceInfo model, bool isNew, CancellationToken ct = default) => mutations.ExecuteAsync(async () =>
+ {
+ Validate(model);
+ var service = await LoadForSaveAsync(model, isNew, ct);
+ await ValidateLanguageChangesAsync(service, model, ct);
+ await StageLanguageCodeChangesAsync(service, model.Languages, ct);
+ service.Name = model.Name;
+ SynchronizeLanguages(service, model.Languages);
+ Touch(service);
+ await TouchDefinitionsAsync(service.Id, ct);
+ model.Id = service.Id;
+ model.Revision = service.Revision;
+ }, ct);
+
+ public Task RemoveLanguageAsync(Guid serviceId, Guid languageId, int expectedVersionCount, Guid expectedRevision, CancellationToken ct = default) =>
+ mutations.ExecuteAsync(async () =>
+ {
+ var service = await db.Services.Include(s => s.Languages).SingleOrDefaultAsync(s => s.Id == serviceId, ct)
+ ?? throw new EmailTemplateWriteException("Service no longer exists. Reload services.");
+ var language = service.Languages.SingleOrDefault(l => l.Id == languageId)
+ ?? throw new EmailTemplateWriteException("Language no longer exists. Reload the service.");
+ var versions = await db.Templates.Where(t => t.ServiceLanguageId == languageId).ToListAsync(ct);
+ if (service.Revision != expectedRevision || versions.Count != expectedVersionCount)
+ throw new EmailTemplateWriteException("The service or affected version count changed. Review the current count and confirm again.");
+ db.Templates.RemoveRange(versions);
+ // Save dependent removals first because language deletion is restricted by its FK.
+ await db.SaveChangesAsync(ct);
+ db.ServiceLanguages.Remove(language);
+ Touch(service);
+ await TouchDefinitionsAsync(serviceId, ct);
+ }, ct);
+
+ private async Task LoadForSaveAsync(NotificationServiceInfo model, bool isNew, CancellationToken ct)
+ {
+ if (await db.Services.AnyAsync(s => s.Name == model.Name && s.Id != model.Id, ct))
+ throw new EmailTemplateWriteException("A service with this name already exists.");
+ if (isNew)
+ {
+ var created = new ServiceEntity { Name = model.Name, Created = DateTimeOffset.UtcNow };
+ db.Services.Add(created);
+ return created;
+ }
+ var service = await db.Services.Include(s => s.Languages).SingleOrDefaultAsync(s => s.Id == model.Id, ct);
+ if (service is null || service.Revision != model.Revision)
+ throw new EmailTemplateWriteException("This service changed after you opened it. Reload before saving.");
+ return service;
+ }
+
+ private async Task ValidateLanguageChangesAsync(ServiceEntity service, NotificationServiceInfo model, CancellationToken ct)
+ {
+ var ids = service.Languages.Select(l => l.Id).ToHashSet();
+ if (model.Languages.Any(l => l.Id != Guid.Empty && !ids.Contains(l.Id)))
+ throw new EmailTemplateWriteException("A language changed or was removed. Reload the service.");
+ ValidateChangedCodes(service, model.Languages);
+ var retained = model.Languages.Select(l => l.Id).ToHashSet();
+ var removed = service.Languages.Where(l => !retained.Contains(l.Id)).ToList();
+ foreach (var language in removed)
+ {
+ var count = await db.Templates.CountAsync(t => t.ServiceLanguageId == language.Id, ct);
+ if (count > 0)
+ throw new EmailTemplateWriteException($"Cannot remove language '{language.Code}': {count} version(s) use it. Use the separate delete-with-versions confirmation.");
+ }
+ }
+
+ private async Task StageLanguageCodeChangesAsync(ServiceEntity service, IReadOnlyList languages, CancellationToken ct)
+ {
+ var requested = languages.Where(l => l.Id != Guid.Empty).ToDictionary(l => l.Id, l => l.Code);
+ var removed = service.Languages.Where(l => !requested.ContainsKey(l.Id)).ToList();
+ var changed = service.Languages.Where(l => requested.TryGetValue(l.Id, out var code) && code != l.Code).ToList();
+ if (removed.Count == 0 && changed.Count == 0)
+ return;
+ foreach (var language in removed)
+ {
+ db.ServiceLanguages.Remove(language);
+ service.Languages.Remove(language);
+ }
+ var reserved = service.Languages.Select(l => l.Code).Concat(languages.Select(l => l.Code)).ToHashSet(StringComparer.Ordinal);
+ foreach (var language in changed)
+ language.Code = TemporaryCode(reserved);
+ // Free old codes before final assignments, supporting swaps and replacing unused rows.
+ // These temporary identifiers remain invisible outside this transaction.
+ await db.SaveChangesAsync(ct);
+ }
+
+ private static string TemporaryCode(HashSet reserved)
+ {
+ string code;
+ do { code = "~" + Guid.NewGuid().ToString("N")[..9]; }
+ while (!reserved.Add(code));
+ return code;
+ }
+
+ private void SynchronizeLanguages(ServiceEntity service, IReadOnlyList languages)
+ {
+ var retained = languages.Select(l => l.Id).ToHashSet();
+ db.ServiceLanguages.RemoveRange(service.Languages.Where(l => !retained.Contains(l.Id)));
+ foreach (var model in languages)
+ {
+ var entity = service.Languages.SingleOrDefault(l => l.Id == model.Id);
+ if (entity is null)
+ db.ServiceLanguages.Add(new ServiceLanguageEntity { Service = service, Code = model.Code, Created = DateTimeOffset.UtcNow });
+ else
+ entity.Code = model.Code;
+ }
+ }
+
+ private async Task TouchDefinitionsAsync(Guid serviceId, CancellationToken ct)
+ {
+ var definitions = await db.TemplateDefinitions.Where(d => d.ServiceId == serviceId).ToListAsync(ct);
+ foreach (var definition in definitions)
+ {
+ definition.Revision = Guid.NewGuid();
+ definition.Updated = DateTimeOffset.UtcNow;
+ }
+ }
+
+ private Task> VersionCountsAsync(CancellationToken ct) => db.Templates.AsNoTracking()
+ .GroupBy(t => t.ServiceLanguageId).Select(g => new { Id = g.Key, Count = g.Count() })
+ .ToDictionaryAsync(g => g.Id, g => g.Count, ct);
+
+ private static void Validate(NotificationServiceInfo service)
+ {
+ if (string.IsNullOrWhiteSpace(service.Name) || service.Name.Length > 100)
+ throw new EmailTemplateWriteException("Service name is required and must be at most 100 characters.", false);
+ foreach (var language in service.Languages)
+ ValidateCode(language.Code);
+ if (service.Languages.Select(l => l.Code).Distinct(StringComparer.Ordinal).Count() != service.Languages.Count)
+ throw new EmailTemplateWriteException("Language codes must be unique within the service.", false);
+ var ids = service.Languages.Where(l => l.Id != Guid.Empty).Select(l => l.Id).ToList();
+ if (ids.Distinct().Count() != ids.Count)
+ throw new EmailTemplateWriteException("Each service language can appear only once.", false);
+ }
+
+ private static void ValidateCode(string code)
+ {
+ if (string.IsNullOrWhiteSpace(code) || code.Length > 10)
+ throw new EmailTemplateWriteException("Language codes are required and must be at most 10 characters.", false);
+ }
+
+ private static void ValidateChangedCodes(ServiceEntity service, IReadOnlyList languages)
+ {
+ var persisted = service.Languages.ToDictionary(l => l.Id, l => l.Code);
+ foreach (var language in languages)
+ {
+ if (persisted.TryGetValue(language.Id, out var original) && original == language.Code)
+ continue;
+ if (!System.Text.RegularExpressions.Regex.IsMatch(language.Code, "^[A-Za-z0-9]+(-[A-Za-z0-9]+)*$"))
+ throw new EmailTemplateWriteException("Use letters, numbers and hyphens in new or renamed language codes, without spaces. Codes are case-sensitive.", false);
+ }
+ }
+
+ private static void Touch(ServiceEntity service)
+ {
+ service.Revision = Guid.NewGuid();
+ service.Updated = DateTimeOffset.UtcNow;
+ }
+
+ private static NotificationServiceInfo Map(ServiceEntity service, IReadOnlyDictionary counts) => new()
+ {
+ Id = service.Id, Name = service.Name, Revision = service.Revision,
+ Languages = service.Languages.OrderBy(l => l.Code).Select(l => new ServiceLanguageInfo
+ {
+ Id = l.Id, Code = l.Code, VersionCount = counts.GetValueOrDefault(l.Id)
+ }).ToList()
+ };
+}
diff --git a/HrynCo.NotificationService.DAL.EF/ServiceCollectionExtensions.cs b/HrynCo.NotificationService.DAL.EF/ServiceCollectionExtensions.cs
index 0587f4e..d849308 100644
--- a/HrynCo.NotificationService.DAL.EF/ServiceCollectionExtensions.cs
+++ b/HrynCo.NotificationService.DAL.EF/ServiceCollectionExtensions.cs
@@ -16,7 +16,10 @@ public static class ServiceCollectionExtensions
services.AddDbContext(options =>
options.UseNpgsql(connectionString));
+ services.AddScoped();
+ services.AddScoped();
services.AddScoped();
+ services.AddScoped();
services.AddScoped();
services.AddScoped();
services.AddScoped();
diff --git a/HrynCo.NotificationService.DAL.EF/TemplateMutationRunner.cs b/HrynCo.NotificationService.DAL.EF/TemplateMutationRunner.cs
new file mode 100644
index 0000000..b5ea822
--- /dev/null
+++ b/HrynCo.NotificationService.DAL.EF/TemplateMutationRunner.cs
@@ -0,0 +1,19 @@
+using Microsoft.EntityFrameworkCore;
+
+namespace HrynCo.NotificationService.DAL.EF;
+
+internal sealed class TemplateMutationRunner(NotificationDbContext db)
+{
+ public async Task ExecuteAsync(Func write, CancellationToken ct)
+ {
+ await using var transaction = db.Database.CurrentTransaction is null
+ ? await db.Database.BeginTransactionAsync(ct) : null;
+ // Service/language administration and template writes share the same transaction lock.
+ // Counts, catalog membership and revision checks are therefore valid until commit.
+ await db.Database.ExecuteSqlRawAsync("SELECT pg_advisory_xact_lock(1601)", ct);
+ await write();
+ await db.SaveChangesAsync(ct);
+ if (transaction is not null)
+ await transaction.CommitAsync(ct);
+ }
+}
diff --git a/HrynCo.NotificationService.Migrator/DevelopmentDataSeeder.cs b/HrynCo.NotificationService.Migrator/DevelopmentDataSeeder.cs
index 0df72ba..ade9233 100644
--- a/HrynCo.NotificationService.Migrator/DevelopmentDataSeeder.cs
+++ b/HrynCo.NotificationService.Migrator/DevelopmentDataSeeder.cs
@@ -12,15 +12,18 @@ internal sealed class DevelopmentDataSeeder
private readonly IEmailChannelRepository _channels;
private readonly IEmailTemplateRepository _templates;
+ private readonly INotificationServiceRepository _services;
private readonly ILogger _logger;
public DevelopmentDataSeeder(
IEmailChannelRepository channels,
IEmailTemplateRepository templates,
+ INotificationServiceRepository services,
ILogger logger)
{
_channels = channels;
_templates = templates;
+ _services = services;
_logger = logger;
}
@@ -30,6 +33,7 @@ internal sealed class DevelopmentDataSeeder
throw new InvalidOperationException("Development seed service name is not configured.");
await SeedMailpitChannelAsync(serviceName, cancellationToken);
+ await SeedServiceAsync(serviceName, cancellationToken);
foreach (EmailTemplate template in CreateTemplates(serviceName))
{
@@ -51,6 +55,18 @@ internal sealed class DevelopmentDataSeeder
}
}
+ private async Task SeedServiceAsync(string serviceName, CancellationToken ct)
+ {
+ var services = await _services.GetAllAsync(ct);
+ var service = services.SingleOrDefault(s => s.Name == serviceName);
+ if (service?.Languages.Any(l => l.Code == DefaultLanguageCode) == true)
+ return;
+ var isNew = service is null;
+ service ??= new NotificationServiceInfo { Name = serviceName };
+ service.Languages = [..service.Languages, new ServiceLanguageInfo { Code = DefaultLanguageCode }];
+ await _services.SaveAsync(service, isNew, ct);
+ }
+
private async Task SeedMailpitChannelAsync(string serviceName, CancellationToken cancellationToken)
{
IReadOnlyList existingChannels = await _channels.GetByServiceAsync(
diff --git a/HrynCo.NotificationService.Services.Tests/DevelopmentDataSeederTests.cs b/HrynCo.NotificationService.Services.Tests/DevelopmentDataSeederTests.cs
index 29e76ff..6e2d115 100644
--- a/HrynCo.NotificationService.Services.Tests/DevelopmentDataSeederTests.cs
+++ b/HrynCo.NotificationService.Services.Tests/DevelopmentDataSeederTests.cs
@@ -11,6 +11,7 @@ public sealed class DevelopmentDataSeederTests
{
private readonly IEmailChannelRepository _channels = Substitute.For();
private readonly IEmailTemplateRepository _templates = Substitute.For();
+ private readonly INotificationServiceRepository _services = Substitute.For();
[Fact]
public async Task SeedAsync_WhenConfigurationIsMissing_CreatesMailpitChannelAndTestTemplate()
@@ -69,6 +70,7 @@ public sealed class DevelopmentDataSeederTests
private DevelopmentDataSeeder CreateSeeder() => new(
_channels,
_templates,
+ _services,
NullLogger.Instance);
private static bool IsMailpitChannel(EmailChannel channel)
diff --git a/HrynCo.NotificationService.Services.Tests/EmailProcessing/EmailTemplateServiceTests.cs b/HrynCo.NotificationService.Services.Tests/EmailProcessing/EmailTemplateServiceTests.cs
index b22b9bc..436e223 100644
--- a/HrynCo.NotificationService.Services.Tests/EmailProcessing/EmailTemplateServiceTests.cs
+++ b/HrynCo.NotificationService.Services.Tests/EmailProcessing/EmailTemplateServiceTests.cs
@@ -1,30 +1,97 @@
namespace HrynCo.NotificationService.Services.Tests.EmailProcessing;
using HrynCo.NotificationService.DAL.Abstract.Repositories;
+using HrynCo.NotificationService.DAL.Abstract.Templates;
using HrynCo.NotificationService.Worker.Services.EmailProcessing;
using NSubstitute;
public sealed class EmailTemplateServiceTests
{
+ [Theory]
+ [InlineData("RU")]
+ [InlineData(" ru ")]
+ [InlineData(" RU ")]
+ public async Task GetAsync_WhenExactVersionIsMissing_RetriesLegacyTrimmedLowercaseCode(string requestedCode)
+ {
+ IEmailTemplateRepository repository = Substitute.For();
+ var expected = Template("ru");
+ repository.GetAsync("TestService", "Welcome", "ru", Arg.Any()).Returns(expected);
+ var service = new EmailTemplateService(repository);
+
+ Assert.Same(expected, await service.GetAsync("TestService", "Welcome", requestedCode, default));
+ Assert.Equal(new[] { requestedCode, "ru" }, RequestedCodes(repository));
+ }
+
[Fact]
- public async Task GetAsync_WhenRequestedLanguageDoesNotExist_DoesNotSilentlyFallback()
+ public async Task GetAsync_WhenBothExactAndLowercaseVersionsExist_PrefersExactVersion()
+ {
+ IEmailTemplateRepository repository = Substitute.For();
+ var expected = Template("RU");
+ repository.GetAsync("TestService", "Welcome", "RU", Arg.Any()).Returns(expected);
+ repository.GetAsync("TestService", "Welcome", "ru", Arg.Any()).Returns(Template("ru"));
+ var service = new EmailTemplateService(repository);
+
+ Assert.Same(expected, await service.GetAsync("TestService", "Welcome", "RU", default));
+ Assert.Equal(new[] { "RU" }, RequestedCodes(repository));
+ }
+
+ [Fact]
+ public async Task GetAsync_WhenExactRegionalVersionExists_DoesNotNormalizeIt()
+ {
+ IEmailTemplateRepository repository = Substitute.For();
+ var expected = Template("ru-RU");
+ repository.GetAsync("TestService", "Welcome", "ru-RU", Arg.Any()).Returns(expected);
+ var service = new EmailTemplateService(repository);
+
+ Assert.Same(expected, await service.GetAsync("TestService", "Welcome", "ru-RU", default));
+ Assert.Equal(new[] { "ru-RU" }, RequestedCodes(repository));
+ }
+
+ [Fact]
+ public async Task GetAsync_WhenMissingCodeIsAlreadyCanonical_QueriesOnlyOnce()
{
IEmailTemplateRepository repository = Substitute.For();
var service = new EmailTemplateService(repository);
- InvalidOperationException exception = await Assert.ThrowsAsync(
- () => service.GetAsync("StoreMate-Prod", "EmailVerification", "UK", CancellationToken.None));
+ var error = await Assert.ThrowsAsync(() => service.GetAsync("TestService", "Welcome", "zz", default));
- Assert.Contains("language='uk'", exception.Message);
- await repository.Received(1).GetAsync(
- "StoreMate-Prod",
- "EmailVerification",
- "uk",
- CancellationToken.None);
- await repository.DidNotReceive().GetAsync(
- "StoreMate-Prod",
- "EmailVerification",
- "en",
- Arg.Any());
+ Assert.Contains("language='zz'", error.Message);
+ Assert.Equal(new[] { "zz" }, RequestedCodes(repository));
}
+
+ [Fact]
+ public async Task GetAsync_WhenRegionalLookupMisses_DoesNotScanOtherCaseOrRegionalVariants()
+ {
+ IEmailTemplateRepository repository = Substitute.For();
+ repository.GetAsync("TestService", "Welcome", "ru-RU", Arg.Any()).Returns(Template("ru-RU"));
+ repository.GetAsync("TestService", "Welcome", "ru", Arg.Any()).Returns(Template("ru"));
+ var service = new EmailTemplateService(repository);
+
+ await Assert.ThrowsAsync(() => service.GetAsync("TestService", "Welcome", "RU-ru", default));
+
+ Assert.Equal(new[] { "RU-ru", "ru-ru" }, RequestedCodes(repository));
+ }
+
+ [Theory]
+ [InlineData(null)]
+ [InlineData("")]
+ [InlineData(" ")]
+ public async Task GetAsync_WhenCodeIsBlank_RejectsBeforeRepositoryLookup(string? code)
+ {
+ IEmailTemplateRepository repository = Substitute.For();
+ var service = new EmailTemplateService(repository);
+
+ await Assert.ThrowsAsync(() => service.GetAsync("TestService", "Welcome", code, default));
+
+ Assert.Empty(repository.ReceivedCalls());
+ }
+
+ private static EmailTemplate Template(string code) => new()
+ {
+ ServiceName = "TestService", Key = "Welcome", LanguageCode = code, Subject = "Subject " + code,
+ HtmlBody = "Hello
", TextBody = "Hello"
+ };
+
+ private static string[] RequestedCodes(IEmailTemplateRepository repository) => repository.ReceivedCalls()
+ .Select(call => (string)call.GetArguments()[2]!).ToArray();
}
diff --git a/HrynCo.NotificationService.Services/EmailTemplates/Create/CreateEmailTemplateHandler.cs b/HrynCo.NotificationService.Services/EmailTemplates/Create/CreateEmailTemplateHandler.cs
index 7800374..4574ec0 100644
--- a/HrynCo.NotificationService.Services/EmailTemplates/Create/CreateEmailTemplateHandler.cs
+++ b/HrynCo.NotificationService.Services/EmailTemplates/Create/CreateEmailTemplateHandler.cs
@@ -39,7 +39,14 @@ internal sealed class CreateEmailTemplateHandler
Variables = request.Variables
};
- await _templates.AddAsync(template, cancellationToken);
+ try
+ {
+ await _templates.AddAsync(template, cancellationToken);
+ }
+ catch (EmailTemplateWriteException error)
+ {
+ return Failure(error.Message, error.IsConflict ? ServiceErrorCode.Conflict : ServiceErrorCode.InvalidRequest);
+ }
return Success(template.Id);
}
diff --git a/HrynCo.NotificationService.Services/EmailTemplates/Delete/DeleteEmailTemplateCommand.cs b/HrynCo.NotificationService.Services/EmailTemplates/Delete/DeleteEmailTemplateCommand.cs
index e52dc73..7820c28 100644
--- a/HrynCo.NotificationService.Services/EmailTemplates/Delete/DeleteEmailTemplateCommand.cs
+++ b/HrynCo.NotificationService.Services/EmailTemplates/Delete/DeleteEmailTemplateCommand.cs
@@ -7,5 +7,6 @@ namespace HrynCo.NotificationService.Services.EmailTemplates.Delete;
public sealed record DeleteEmailTemplateCommand(
string ServiceName,
string Key,
- string LanguageCode
+ string LanguageCode,
+ Guid? ExpectedVersionId = null
) : IRequest>;
diff --git a/HrynCo.NotificationService.Services/EmailTemplates/Delete/DeleteEmailTemplateHandler.cs b/HrynCo.NotificationService.Services/EmailTemplates/Delete/DeleteEmailTemplateHandler.cs
index b22b3c6..3dd4f98 100644
--- a/HrynCo.NotificationService.Services/EmailTemplates/Delete/DeleteEmailTemplateHandler.cs
+++ b/HrynCo.NotificationService.Services/EmailTemplates/Delete/DeleteEmailTemplateHandler.cs
@@ -1,3 +1,4 @@
+using HrynCo.NotificationService.DAL.Abstract.Templates;
using HrynCo.DAL.Abstract;
using HrynCo.NotificationService.DAL.Abstract.Repositories;
using HrynCo.NotificationService.Services.Core;
@@ -27,8 +28,17 @@ internal sealed class DeleteEmailTemplateHandler
if (template is null)
return Failure("Template not found.", ServiceErrorCode.NotFound);
+ if (request.ExpectedVersionId is Guid expectedId && template.Id != expectedId)
+ return Failure("Template changed after you opened it. Reload before deleting.", ServiceErrorCode.Conflict);
- await _templates.DeleteAsync(template, cancellationToken);
+ try
+ {
+ await _templates.DeleteAsync(template, cancellationToken);
+ }
+ catch (EmailTemplateWriteException error)
+ {
+ return Failure(error.Message, error.IsConflict ? ServiceErrorCode.Conflict : ServiceErrorCode.InvalidRequest);
+ }
return Success(Unit.Value);
}
diff --git a/HrynCo.NotificationService.Services/EmailTemplates/SaveDefinition/SaveEmailTemplateDefinitionCommand.cs b/HrynCo.NotificationService.Services/EmailTemplates/SaveDefinition/SaveEmailTemplateDefinitionCommand.cs
new file mode 100644
index 0000000..5689d74
--- /dev/null
+++ b/HrynCo.NotificationService.Services/EmailTemplates/SaveDefinition/SaveEmailTemplateDefinitionCommand.cs
@@ -0,0 +1,8 @@
+using HrynCo.NotificationService.DAL.Abstract.Templates;
+using HrynCo.NotificationService.Services.Core;
+using MediatR;
+
+namespace HrynCo.NotificationService.Services.EmailTemplates.SaveDefinition;
+
+public sealed record SaveEmailTemplateDefinitionCommand(EmailTemplateDefinition Definition, bool IsNew)
+ : IRequest>;
diff --git a/HrynCo.NotificationService.Services/EmailTemplates/SaveDefinition/SaveEmailTemplateDefinitionHandler.cs b/HrynCo.NotificationService.Services/EmailTemplates/SaveDefinition/SaveEmailTemplateDefinitionHandler.cs
new file mode 100644
index 0000000..30f797c
--- /dev/null
+++ b/HrynCo.NotificationService.Services/EmailTemplates/SaveDefinition/SaveEmailTemplateDefinitionHandler.cs
@@ -0,0 +1,26 @@
+using HrynCo.NotificationService.DAL.Abstract.Repositories;
+using HrynCo.NotificationService.DAL.Abstract.Templates;
+using HrynCo.NotificationService.Services.Core;
+using HrynCo.NotificationService.Services.Logging;
+using static HrynCo.NotificationService.Services.Core.ServiceResultHelper;
+
+namespace HrynCo.NotificationService.Services.EmailTemplates.SaveDefinition;
+
+internal sealed class SaveEmailTemplateDefinitionHandler(
+ IContextualSerilogLogger logger,
+ IEmailTemplateDefinitionRepository definitions)
+ : RequestHandler>(logger)
+{
+ protected override async Task> DoOnHandle(SaveEmailTemplateDefinitionCommand request, CancellationToken cancellationToken)
+ {
+ try
+ {
+ await definitions.SaveDefinitionAsync(request.Definition, request.IsNew, cancellationToken);
+ return Success(request.Definition.Id);
+ }
+ catch (EmailTemplateWriteException error)
+ {
+ return Failure(error.Message, error.IsConflict ? ServiceErrorCode.Conflict : ServiceErrorCode.InvalidRequest);
+ }
+ }
+}
diff --git a/HrynCo.NotificationService.Services/EmailTemplates/Update/UpdateEmailTemplateHandler.cs b/HrynCo.NotificationService.Services/EmailTemplates/Update/UpdateEmailTemplateHandler.cs
index 1cd842d..7810769 100644
--- a/HrynCo.NotificationService.Services/EmailTemplates/Update/UpdateEmailTemplateHandler.cs
+++ b/HrynCo.NotificationService.Services/EmailTemplates/Update/UpdateEmailTemplateHandler.cs
@@ -1,3 +1,4 @@
+using HrynCo.NotificationService.DAL.Abstract.Templates;
using HrynCo.DAL.Abstract;
using HrynCo.NotificationService.DAL.Abstract.Repositories;
using HrynCo.NotificationService.Services.Core;
@@ -34,7 +35,14 @@ internal sealed class UpdateEmailTemplateHandler
template.Variables = request.Variables;
template.Updated = DateTimeOffset.UtcNow;
- await _templates.UpdateAsync(template, cancellationToken);
+ try
+ {
+ await _templates.UpdateAsync(template, cancellationToken);
+ }
+ catch (EmailTemplateWriteException error)
+ {
+ return Failure(error.Message, error.IsConflict ? ServiceErrorCode.Conflict : ServiceErrorCode.InvalidRequest);
+ }
return Success(Unit.Value);
}
diff --git a/HrynCo.NotificationService.Services/TemplateDefinitions/DeleteEmailTemplateDefinitionCommand.cs b/HrynCo.NotificationService.Services/TemplateDefinitions/DeleteEmailTemplateDefinitionCommand.cs
new file mode 100644
index 0000000..d4468a9
--- /dev/null
+++ b/HrynCo.NotificationService.Services/TemplateDefinitions/DeleteEmailTemplateDefinitionCommand.cs
@@ -0,0 +1,7 @@
+using HrynCo.NotificationService.Services.Core;
+using MediatR;
+using Unit = HrynCo.NotificationService.Services.Core.Unit;
+
+namespace HrynCo.NotificationService.Services.TemplateDefinitions;
+
+public sealed record DeleteEmailTemplateDefinitionCommand(Guid ServiceId, string Key, Guid Revision) : IRequest>;
diff --git a/HrynCo.NotificationService.Services/TemplateDefinitions/DeleteEmailTemplateDefinitionHandler.cs b/HrynCo.NotificationService.Services/TemplateDefinitions/DeleteEmailTemplateDefinitionHandler.cs
new file mode 100644
index 0000000..2801302
--- /dev/null
+++ b/HrynCo.NotificationService.Services/TemplateDefinitions/DeleteEmailTemplateDefinitionHandler.cs
@@ -0,0 +1,25 @@
+using HrynCo.NotificationService.DAL.Abstract.Repositories;
+using HrynCo.NotificationService.DAL.Abstract.Templates;
+using HrynCo.NotificationService.Services.Core;
+using HrynCo.NotificationService.Services.Logging;
+using static HrynCo.NotificationService.Services.Core.ServiceResultHelper;
+
+namespace HrynCo.NotificationService.Services.TemplateDefinitions;
+
+internal sealed class DeleteEmailTemplateDefinitionHandler(
+ IContextualSerilogLogger logger, IEmailTemplateDefinitionRepository repository)
+ : RequestHandler>(logger)
+{
+ protected override async Task> DoOnHandle(DeleteEmailTemplateDefinitionCommand request, CancellationToken cancellationToken)
+ {
+ try
+ {
+ var removed = await repository.DeleteDefinitionAsync(request.ServiceId, request.Key, request.Revision, cancellationToken);
+ return removed ? Success(Unit.Value) : Failure("Template definition not found.", ServiceErrorCode.NotFound);
+ }
+ catch (EmailTemplateWriteException error)
+ {
+ return Failure(error.Message, error.IsConflict ? ServiceErrorCode.Conflict : ServiceErrorCode.InvalidRequest);
+ }
+ }
+}
diff --git a/HrynCo.NotificationService.Services/TemplateDefinitions/DeleteNotificationServiceCommand.cs b/HrynCo.NotificationService.Services/TemplateDefinitions/DeleteNotificationServiceCommand.cs
new file mode 100644
index 0000000..a3e39db
--- /dev/null
+++ b/HrynCo.NotificationService.Services/TemplateDefinitions/DeleteNotificationServiceCommand.cs
@@ -0,0 +1,7 @@
+using HrynCo.NotificationService.Services.Core;
+using MediatR;
+using Unit = HrynCo.NotificationService.Services.Core.Unit;
+
+namespace HrynCo.NotificationService.Services.TemplateDefinitions;
+
+public sealed record DeleteNotificationServiceCommand(Guid ServiceId, Guid Revision) : IRequest>;
diff --git a/HrynCo.NotificationService.Services/TemplateDefinitions/DeleteNotificationServiceHandler.cs b/HrynCo.NotificationService.Services/TemplateDefinitions/DeleteNotificationServiceHandler.cs
new file mode 100644
index 0000000..b3fd872
--- /dev/null
+++ b/HrynCo.NotificationService.Services/TemplateDefinitions/DeleteNotificationServiceHandler.cs
@@ -0,0 +1,25 @@
+using HrynCo.NotificationService.DAL.Abstract.Repositories;
+using HrynCo.NotificationService.DAL.Abstract.Templates;
+using HrynCo.NotificationService.Services.Core;
+using HrynCo.NotificationService.Services.Logging;
+using static HrynCo.NotificationService.Services.Core.ServiceResultHelper;
+
+namespace HrynCo.NotificationService.Services.TemplateDefinitions;
+
+internal sealed class DeleteNotificationServiceHandler(
+ IContextualSerilogLogger logger, INotificationServiceRepository repository)
+ : RequestHandler>(logger)
+{
+ protected override async Task> DoOnHandle(DeleteNotificationServiceCommand request, CancellationToken cancellationToken)
+ {
+ try
+ {
+ var removed = await repository.DeleteAsync(request.ServiceId, request.Revision, cancellationToken);
+ return removed ? Success(Unit.Value) : Failure("Service not found.", ServiceErrorCode.NotFound);
+ }
+ catch (EmailTemplateWriteException error)
+ {
+ return Failure(error.Message, error.IsConflict ? ServiceErrorCode.Conflict : ServiceErrorCode.InvalidRequest);
+ }
+ }
+}
diff --git a/HrynCo.NotificationService.Services/TemplateDefinitions/DeleteServiceLanguageVersionsCommand.cs b/HrynCo.NotificationService.Services/TemplateDefinitions/DeleteServiceLanguageVersionsCommand.cs
new file mode 100644
index 0000000..d974c90
--- /dev/null
+++ b/HrynCo.NotificationService.Services/TemplateDefinitions/DeleteServiceLanguageVersionsCommand.cs
@@ -0,0 +1,7 @@
+using HrynCo.NotificationService.Services.Core;
+using MediatR;
+using Unit = HrynCo.NotificationService.Services.Core.Unit;
+
+namespace HrynCo.NotificationService.Services.TemplateDefinitions;
+
+public sealed record DeleteServiceLanguageVersionsCommand(Guid ServiceId, Guid LanguageId, Guid Revision, int ExpectedVersionCount, bool ConfirmDelete) : IRequest>;
diff --git a/HrynCo.NotificationService.Services/TemplateDefinitions/DeleteServiceLanguageVersionsHandler.cs b/HrynCo.NotificationService.Services/TemplateDefinitions/DeleteServiceLanguageVersionsHandler.cs
new file mode 100644
index 0000000..a6e59d2
--- /dev/null
+++ b/HrynCo.NotificationService.Services/TemplateDefinitions/DeleteServiceLanguageVersionsHandler.cs
@@ -0,0 +1,30 @@
+using HrynCo.NotificationService.DAL.Abstract.Repositories;
+using HrynCo.NotificationService.DAL.Abstract.Templates;
+using HrynCo.NotificationService.Services.Core;
+using HrynCo.NotificationService.Services.Logging;
+using static HrynCo.NotificationService.Services.Core.ServiceResultHelper;
+
+namespace HrynCo.NotificationService.Services.TemplateDefinitions;
+
+internal sealed class DeleteServiceLanguageVersionsHandler(
+ IContextualSerilogLogger logger, INotificationServiceRepository services)
+ : RequestHandler>(logger)
+{
+ protected override async Task> DoOnHandle(DeleteServiceLanguageVersionsCommand request, CancellationToken cancellationToken)
+ {
+ if (!request.ConfirmDelete || request.ExpectedVersionCount < 0 || request.Revision == Guid.Empty)
+ return Failure("ConfirmDelete must be true; a nonnegative expectedVersionCount and nonempty service revision are required.", ServiceErrorCode.InvalidRequest);
+ var service = await services.GetAsync(request.ServiceId, cancellationToken);
+ if (service?.Languages.Any(l => l.Id == request.LanguageId) != true)
+ return Failure("Service language not found.", ServiceErrorCode.NotFound);
+ try
+ {
+ await services.RemoveLanguageAsync(request.ServiceId, request.LanguageId, request.ExpectedVersionCount, request.Revision, cancellationToken);
+ return Success(Unit.Value);
+ }
+ catch (EmailTemplateWriteException error)
+ {
+ return Failure(error.Message, error.IsConflict ? ServiceErrorCode.Conflict : ServiceErrorCode.InvalidRequest);
+ }
+ }
+}
diff --git a/HrynCo.NotificationService.Services/TemplateDefinitions/DeleteUnusedServiceLanguageCommand.cs b/HrynCo.NotificationService.Services/TemplateDefinitions/DeleteUnusedServiceLanguageCommand.cs
new file mode 100644
index 0000000..533c98d
--- /dev/null
+++ b/HrynCo.NotificationService.Services/TemplateDefinitions/DeleteUnusedServiceLanguageCommand.cs
@@ -0,0 +1,7 @@
+using HrynCo.NotificationService.Services.Core;
+using MediatR;
+using Unit = HrynCo.NotificationService.Services.Core.Unit;
+
+namespace HrynCo.NotificationService.Services.TemplateDefinitions;
+
+public sealed record DeleteUnusedServiceLanguageCommand(Guid ServiceId, Guid LanguageId, Guid Revision) : IRequest>;
diff --git a/HrynCo.NotificationService.Services/TemplateDefinitions/DeleteUnusedServiceLanguageHandler.cs b/HrynCo.NotificationService.Services/TemplateDefinitions/DeleteUnusedServiceLanguageHandler.cs
new file mode 100644
index 0000000..35be77d
--- /dev/null
+++ b/HrynCo.NotificationService.Services/TemplateDefinitions/DeleteUnusedServiceLanguageHandler.cs
@@ -0,0 +1,34 @@
+using HrynCo.NotificationService.DAL.Abstract.Repositories;
+using HrynCo.NotificationService.DAL.Abstract.Templates;
+using HrynCo.NotificationService.Services.Core;
+using HrynCo.NotificationService.Services.Logging;
+using static HrynCo.NotificationService.Services.Core.ServiceResultHelper;
+
+namespace HrynCo.NotificationService.Services.TemplateDefinitions;
+
+internal sealed class DeleteUnusedServiceLanguageHandler(
+ IContextualSerilogLogger logger, INotificationServiceRepository services)
+ : RequestHandler>(logger)
+{
+ protected override async Task> DoOnHandle(DeleteUnusedServiceLanguageCommand request, CancellationToken cancellationToken)
+ {
+ if (request.Revision == Guid.Empty)
+ return Failure("A nonempty service revision is required.", ServiceErrorCode.InvalidRequest);
+ var service = await services.GetAsync(request.ServiceId, cancellationToken);
+ var language = service?.Languages.SingleOrDefault(l => l.Id == request.LanguageId);
+ if (language is null)
+ return Failure("Service language not found.", ServiceErrorCode.NotFound);
+ if (language.VersionCount > 0)
+ return Failure("This language has template versions. Use delete-with-versions with explicit confirmation and the current count.", ServiceErrorCode.Conflict);
+ try
+ {
+ // The repository repeats the zero-count and revision checks under its mutation lock.
+ await services.RemoveLanguageAsync(request.ServiceId, request.LanguageId, 0, request.Revision, cancellationToken);
+ return Success(Unit.Value);
+ }
+ catch (EmailTemplateWriteException error)
+ {
+ return Failure(error.Message, error.IsConflict ? ServiceErrorCode.Conflict : ServiceErrorCode.InvalidRequest);
+ }
+ }
+}
diff --git a/HrynCo.NotificationService.Services/TemplateDefinitions/EmailTemplateDefinitionDto.cs b/HrynCo.NotificationService.Services/TemplateDefinitions/EmailTemplateDefinitionDto.cs
new file mode 100644
index 0000000..f8c9960
--- /dev/null
+++ b/HrynCo.NotificationService.Services/TemplateDefinitions/EmailTemplateDefinitionDto.cs
@@ -0,0 +1,5 @@
+namespace HrynCo.NotificationService.Services.TemplateDefinitions;
+
+public sealed record EmailTemplateDefinitionDto(Guid Id, Guid ServiceId, string ServiceName, string Key, Guid Revision,
+ IReadOnlyList Variables, IReadOnlyList Translations,
+ DateTimeOffset Created, DateTimeOffset? Updated);
diff --git a/HrynCo.NotificationService.Services/TemplateDefinitions/GetAllNotificationServicesHandler.cs b/HrynCo.NotificationService.Services/TemplateDefinitions/GetAllNotificationServicesHandler.cs
new file mode 100644
index 0000000..074ab29
--- /dev/null
+++ b/HrynCo.NotificationService.Services/TemplateDefinitions/GetAllNotificationServicesHandler.cs
@@ -0,0 +1,17 @@
+using HrynCo.NotificationService.DAL.Abstract.Repositories;
+using HrynCo.NotificationService.Services.Core;
+using HrynCo.NotificationService.Services.Logging;
+using static HrynCo.NotificationService.Services.Core.ServiceResultHelper;
+
+namespace HrynCo.NotificationService.Services.TemplateDefinitions;
+
+internal sealed class GetAllNotificationServicesHandler(
+ IContextualSerilogLogger logger, INotificationServiceRepository services)
+ : RequestHandler>>(logger)
+{
+ protected override async Task>> DoOnHandle(GetAllNotificationServicesQuery request, CancellationToken cancellationToken)
+ {
+ var all = await services.GetAllAsync(cancellationToken);
+ return Success>(all.Select(NotificationServiceMapping.Map).ToList());
+ }
+}
diff --git a/HrynCo.NotificationService.Services/TemplateDefinitions/GetAllNotificationServicesQuery.cs b/HrynCo.NotificationService.Services/TemplateDefinitions/GetAllNotificationServicesQuery.cs
new file mode 100644
index 0000000..f88d5df
--- /dev/null
+++ b/HrynCo.NotificationService.Services/TemplateDefinitions/GetAllNotificationServicesQuery.cs
@@ -0,0 +1,6 @@
+using HrynCo.NotificationService.Services.Core;
+using MediatR;
+
+namespace HrynCo.NotificationService.Services.TemplateDefinitions;
+
+public sealed record GetAllNotificationServicesQuery() : IRequest>>;
diff --git a/HrynCo.NotificationService.Services/TemplateDefinitions/GetEmailTemplateDefinitionHandler.cs b/HrynCo.NotificationService.Services/TemplateDefinitions/GetEmailTemplateDefinitionHandler.cs
new file mode 100644
index 0000000..890edf7
--- /dev/null
+++ b/HrynCo.NotificationService.Services/TemplateDefinitions/GetEmailTemplateDefinitionHandler.cs
@@ -0,0 +1,19 @@
+using HrynCo.NotificationService.DAL.Abstract.Repositories;
+using HrynCo.NotificationService.Services.Core;
+using HrynCo.NotificationService.Services.Logging;
+using static HrynCo.NotificationService.Services.Core.ServiceResultHelper;
+
+namespace HrynCo.NotificationService.Services.TemplateDefinitions;
+
+internal sealed class GetEmailTemplateDefinitionHandler(
+ IContextualSerilogLogger logger, IEmailTemplateDefinitionRepository definitions)
+ : RequestHandler>(logger)
+{
+ protected override async Task> DoOnHandle(GetEmailTemplateDefinitionQuery request, CancellationToken cancellationToken)
+ {
+ var definition = await definitions.GetDefinitionAsync(request.ServiceId, request.Key, cancellationToken);
+ return definition is null
+ ? Failure("Template definition not found.", ServiceErrorCode.NotFound)
+ : Success(TemplateDefinitionMapping.Map(definition));
+ }
+}
diff --git a/HrynCo.NotificationService.Services/TemplateDefinitions/GetEmailTemplateDefinitionQuery.cs b/HrynCo.NotificationService.Services/TemplateDefinitions/GetEmailTemplateDefinitionQuery.cs
new file mode 100644
index 0000000..cb19cf3
--- /dev/null
+++ b/HrynCo.NotificationService.Services/TemplateDefinitions/GetEmailTemplateDefinitionQuery.cs
@@ -0,0 +1,6 @@
+using HrynCo.NotificationService.Services.Core;
+using MediatR;
+
+namespace HrynCo.NotificationService.Services.TemplateDefinitions;
+
+public sealed record GetEmailTemplateDefinitionQuery(Guid ServiceId, string Key) : IRequest>;
diff --git a/HrynCo.NotificationService.Services/TemplateDefinitions/GetNotificationServiceHandler.cs b/HrynCo.NotificationService.Services/TemplateDefinitions/GetNotificationServiceHandler.cs
new file mode 100644
index 0000000..a2cc45a
--- /dev/null
+++ b/HrynCo.NotificationService.Services/TemplateDefinitions/GetNotificationServiceHandler.cs
@@ -0,0 +1,23 @@
+using HrynCo.NotificationService.DAL.Abstract.Repositories;
+using HrynCo.NotificationService.Services.Core;
+using HrynCo.NotificationService.Services.Logging;
+using static HrynCo.NotificationService.Services.Core.ServiceResultHelper;
+
+namespace HrynCo.NotificationService.Services.TemplateDefinitions;
+
+internal sealed class GetNotificationServiceHandler(
+ IContextualSerilogLogger logger, INotificationServiceRepository services)
+ : RequestHandler>(logger)
+{
+ protected override async Task> DoOnHandle(GetNotificationServiceQuery request, CancellationToken cancellationToken)
+ {
+ if (request.ServiceId is null && string.IsNullOrWhiteSpace(request.Name))
+ return Failure("An exact service name is required.", ServiceErrorCode.InvalidRequest);
+ var service = request.ServiceId is Guid id
+ ? await services.GetAsync(id, cancellationToken)
+ : await services.GetByNameAsync(request.Name!, cancellationToken);
+ return service is null
+ ? Failure("Service not found.", ServiceErrorCode.NotFound)
+ : Success(NotificationServiceMapping.Map(service));
+ }
+}
diff --git a/HrynCo.NotificationService.Services/TemplateDefinitions/GetNotificationServiceQuery.cs b/HrynCo.NotificationService.Services/TemplateDefinitions/GetNotificationServiceQuery.cs
new file mode 100644
index 0000000..2bb2e0b
--- /dev/null
+++ b/HrynCo.NotificationService.Services/TemplateDefinitions/GetNotificationServiceQuery.cs
@@ -0,0 +1,6 @@
+using HrynCo.NotificationService.Services.Core;
+using MediatR;
+
+namespace HrynCo.NotificationService.Services.TemplateDefinitions;
+
+public sealed record GetNotificationServiceQuery(Guid? ServiceId, string? Name) : IRequest>;
diff --git a/HrynCo.NotificationService.Services/TemplateDefinitions/GetServiceTemplateDefinitionsHandler.cs b/HrynCo.NotificationService.Services/TemplateDefinitions/GetServiceTemplateDefinitionsHandler.cs
new file mode 100644
index 0000000..7407e09
--- /dev/null
+++ b/HrynCo.NotificationService.Services/TemplateDefinitions/GetServiceTemplateDefinitionsHandler.cs
@@ -0,0 +1,20 @@
+using HrynCo.NotificationService.DAL.Abstract.Repositories;
+using HrynCo.NotificationService.Services.Core;
+using HrynCo.NotificationService.Services.Logging;
+using static HrynCo.NotificationService.Services.Core.ServiceResultHelper;
+
+namespace HrynCo.NotificationService.Services.TemplateDefinitions;
+
+internal sealed class GetServiceTemplateDefinitionsHandler(
+ IContextualSerilogLogger logger,
+ INotificationServiceRepository services, IEmailTemplateDefinitionRepository definitions)
+ : RequestHandler>>(logger)
+{
+ protected override async Task>> DoOnHandle(GetServiceTemplateDefinitionsQuery request, CancellationToken cancellationToken)
+ {
+ if (await services.GetAsync(request.ServiceId, cancellationToken) is null)
+ return Failure>("Service not found.", ServiceErrorCode.NotFound);
+ var all = await definitions.GetDefinitionsAsync(request.ServiceId, cancellationToken);
+ return Success