Files
TeleWave/backend/src/TeleWave.Application/Broadcast/Bumpers/RemoveBumperTemplateCommandHandler.cs
T

36 lines
1.3 KiB
C#

using LiteCqrs;
using Microsoft.EntityFrameworkCore;
using TeleWave.Application.Common.Interfaces;
using TeleWave.Application.Common.Models;
namespace TeleWave.Application.Broadcast.Bumpers;
public sealed class RemoveBumperTemplateCommandHandler(
IAppDbContext dbContext,
IBumperTemplateStorage storage
) : ICommandHandler<RemoveBumperTemplateCommand, Result>
{
public async Task<Result> Handle(
RemoveBumperTemplateCommand command,
CancellationToken cancellationToken
)
{
var channel = await dbContext
.Channels.Include(c => c.BumperTemplates)
.FirstOrDefaultAsync(c => c.Id == command.ChannelId, cancellationToken);
if (channel is null)
return Result.Failure(ChannelErrors.NotFound);
var template = channel.FindBumperTemplate(command.TemplateId);
if (template is null)
return Result.Failure(ChannelErrors.BumperTemplateNotFound);
if (template.IsDefault)
return Result.Failure(ChannelErrors.CannotRemoveDefaultBumperTemplate);
channel.RemoveBumperTemplate(command.TemplateId);
await dbContext.SaveChangesAsync(cancellationToken);
await storage.DeleteTemplateAsync(command.TemplateId, cancellationToken);
return Result.Success();
}
}