refactor: rename domain types and introduce TransactionBehavior pattern

- Rename Template -> EmailTemplate, Provider -> EmailChannel,
  ProviderSettings -> EmailChannelSettings, ProviderType -> EmailChannelType,
  ProviderUsage -> EmailChannelUsage throughout all layers
- Add Undefined = 0 to EmailChannelType enum for safe default handling
- Remove SaveChangesAsync from EfRepository methods — repositories now only stage changes
- Add SaveChangesAsync to IUnitOfWork and EfUnitOfWork
- Add TransactionBehavior MediatR pipeline: wraps every handler in a transaction,
  saves and commits on success, rolls back on exception
- Add MediatR package reference to Services project

Ref: IT-628

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
This commit is contained in:
Anatolii Grynchuk
2026-05-02 00:16:47 +03:00
parent 088eab0428
commit 6dcc911fc2
28 changed files with 290 additions and 251 deletions
@@ -10,9 +10,9 @@ public class NotificationDbContext : DbContext
{
}
internal DbSet<TemplateEntity> Templates => Set<TemplateEntity>();
internal DbSet<ProviderEntity> Providers => Set<ProviderEntity>();
internal DbSet<ProviderUsageEntity> ProviderUsage => Set<ProviderUsageEntity>();
internal DbSet<EmailTemplateEntity> Templates => Set<EmailTemplateEntity>();
internal DbSet<EmailChannelEntity> Providers => Set<EmailChannelEntity>();
internal DbSet<EmailChannelUsageEntity> EmailChannelUsage => Set<EmailChannelUsageEntity>();
protected override void OnModelCreating(ModelBuilder modelBuilder)
{