- Add null check and fetch entity before updating fields.
- Replace the direct property assignment with detailed updates.
- Ensure changes are saved using SaveChangesAsync.
- Consolidate unit of work implementation with NotificationUnitOfWork.
- Refactor repositories to use NotificationBaseRepository for consistency.
- Simplify request handlers by removing IUnitOfWork dependency.
- Update related tests and service registration.
- 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>