feat(templates): add localized push templates and actions

Share template keys across email and push with independent editors and revisions. Render localized actions and preserve version-one delivery.

Ref: IT-1627

HrynCo.NotificationService.Web/Controllers/Admin/ViewModels/EmailTemplateEditViewModel.cs

@@ -16,6 +16,7 @@ public sealed class EmailTemplateEditViewModel
     public List<EmailTemplateLanguageEditViewModel> Languages { get; set; } = [];
     public int ActiveLanguageIndex { get; set; }
     public string? KeyFilter { get; set; }
+    public bool LockKey { get; set; }
     public bool IsNew => Id == null;
-    public string PageTitle => IsNew ? "Create Email Template" : "Edit Email Template";
+    public string PageTitle => IsNew ? "Create Template" : "Template: " + Key;
 }

HrynCo.NotificationService.Web/Controllers/Admin/ViewModels/PushTemplateEditViewModel.cs

@@ -0,0 +1,22 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace HrynCo.NotificationService.Web.Controllers.Admin.ViewModels;
+
+public sealed class PushTemplateEditViewModel
+{
+    public Guid? Id { get; set; }
+    public Guid ServiceId { get; set; }
+    public Guid Revision { get; set; }
+    public string ServiceName { get; set; } = "";
+    [Required, StringLength(100)]
+    public string Key { get; set; } = "";
+    [Required]
+    public string VariablesJson { get; set; } = "[]";
+    public List<PushTemplateLanguageEditViewModel> Languages { get; set; } = [];
+    public int ActiveLanguageIndex { get; set; }
+    public string? KeyFilter { get; set; }
+    public bool LockKey { get; set; }
+    public bool ConfirmDelete { get; set; }
+    public bool IsNew => Id is null;
+    public string PageTitle => IsNew ? "Create Template" : "Template: " + Key;
+}

HrynCo.NotificationService.Web/Controllers/Admin/ViewModels/PushTemplateLanguageEditViewModel.cs

@@ -0,0 +1,38 @@
+using System.ComponentModel.DataAnnotations;
+using Microsoft.AspNetCore.Mvc.ModelBinding;
+
+namespace HrynCo.NotificationService.Web.Controllers.Admin.ViewModels;
+
+public sealed class PushTemplateLanguageEditViewModel : IValidatableObject
+{
+    [Required, StringLength(10)]
+    public string LanguageCode { get; set; } = "";
+    [DisplayFormat(ConvertEmptyStringToNull = false)]
+    public string Title { get; set; } = "";
+    [DisplayFormat(ConvertEmptyStringToNull = false)]
+    public string Body { get; set; } = "";
+    [Required]
+    public string ActionsJson { get; set; } = "{}";
+    [BindNever]
+    public bool IsPresent { get; set; }
+    public bool HasContent => !string.IsNullOrWhiteSpace(Title) || !string.IsNullOrWhiteSpace(Body) || HasActions();
+
+    private bool HasActions()
+    {
+        try
+        {
+            var actions = DAL.Abstract.Templates.PushTemplateActionValidation.Parse(ActionsJson);
+            return actions.DefaultAction is not null || actions.Buttons.Count > 0;
+        }
+        catch (DAL.Abstract.Templates.EmailTemplateWriteException) { return true; }
+    }
+
+    public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
+    {
+        if (!HasContent) yield break;
+        if (string.IsNullOrWhiteSpace(Title))
+            yield return new ValidationResult("Title is required for a populated language.", [nameof(Title)]);
+        if (string.IsNullOrWhiteSpace(Body))
+            yield return new ValidationResult("Body is required for a populated language.", [nameof(Body)]);
+    }
+}

HrynCo.NotificationService.Web/Controllers/Admin/ViewModels/ServiceTemplatesViewModel.cs

@@ -6,5 +6,6 @@ public sealed class ServiceTemplatesViewModel
 {
     public required NotificationServiceInfo Service { get; init; }
     public string? KeyFilter { get; init; }
+    public IReadOnlyList<PushTemplateDefinition> PushDefinitions { get; set; } = [];
     public IReadOnlyList<EmailTemplateDefinition> Definitions { get; set; } = [];
 }

HrynCo.NotificationService.Web/Controllers/Admin/ViewModels/TemplateChannelNavigationViewModel.cs

@@ -0,0 +1,10 @@
+namespace HrynCo.NotificationService.Web.Controllers.Admin.ViewModels;
+
+public sealed class TemplateChannelNavigationViewModel
+{
+    public Guid ServiceId { get; init; }
+    public string ServiceName { get; init; } = "";
+    public string Key { get; init; } = "";
+    public string? KeyFilter { get; init; }
+    public bool IsPush { get; init; }
+}