43 lines
1.7 KiB
C#
43 lines
1.7 KiB
C#
using ErsatzTV.Core;
|
|
using ErsatzTV.Core.Domain;
|
|
using ErsatzTV.Core.Errors;
|
|
using ErsatzTV.Core.Interfaces.Repositories;
|
|
using ErsatzTV.Infrastructure.Data;
|
|
using ErsatzTV.Infrastructure.Extensions;
|
|
using Microsoft.EntityFrameworkCore;
|
|
|
|
namespace ErsatzTV.Application.ChannelTemplates;
|
|
|
|
public class DeleteChannelTemplateHandler(
|
|
IDbContextFactory<TvContext> dbContextFactory,
|
|
IConfigElementRepository configElementRepository)
|
|
: IRequestHandler<DeleteChannelTemplate, Either<BaseError, Unit>>
|
|
{
|
|
public async Task<Either<BaseError, Unit>> Handle(DeleteChannelTemplate request, CancellationToken cancellationToken)
|
|
{
|
|
await using TvContext dbContext = await dbContextFactory.CreateDbContextAsync(cancellationToken);
|
|
Option<ChannelTemplate> maybeTemplate = await dbContext.ChannelTemplates
|
|
.SelectOneAsync(t => t.Id, t => t.Id == request.ChannelTemplateId, cancellationToken);
|
|
foreach (ChannelTemplate template in maybeTemplate)
|
|
{
|
|
if (template.IsSystem)
|
|
{
|
|
return BaseError.New("System templates cannot be deleted.");
|
|
}
|
|
|
|
int? defaultTemplateId =
|
|
await ChannelTemplateDefault.GetDefaultTemplateId(configElementRepository, cancellationToken);
|
|
if (defaultTemplateId == template.Id)
|
|
{
|
|
return BaseError.New("Default channel template cannot be deleted.");
|
|
}
|
|
|
|
dbContext.ChannelTemplates.Remove(template);
|
|
await dbContext.SaveChangesAsync(cancellationToken);
|
|
return Unit.Default;
|
|
}
|
|
|
|
return new NotFoundError($"ChannelTemplate {request.ChannelTemplateId} does not exist.");
|
|
}
|
|
}
|