50 lines
1.8 KiB
C#
50 lines
1.8 KiB
C#
using ErsatzTV.Core;
|
|
using ErsatzTV.Core.Domain;
|
|
using ErsatzTV.Infrastructure.Data;
|
|
using Microsoft.EntityFrameworkCore;
|
|
using Microsoft.EntityFrameworkCore.ChangeTracking;
|
|
using static ErsatzTV.Application.Watermarks.Mapper;
|
|
|
|
namespace ErsatzTV.Application.Watermarks;
|
|
|
|
public class CopyWatermarkHandler :
|
|
IRequestHandler<CopyWatermark, Either<BaseError, WatermarkViewModel>>
|
|
{
|
|
private readonly IDbContextFactory<TvContext> _dbContextFactory;
|
|
|
|
public CopyWatermarkHandler(IDbContextFactory<TvContext> dbContextFactory) =>
|
|
_dbContextFactory = dbContextFactory;
|
|
|
|
public Task<Either<BaseError, WatermarkViewModel>> Handle(
|
|
CopyWatermark request,
|
|
CancellationToken cancellationToken) =>
|
|
Validate(request)
|
|
.MapT(PerformCopy)
|
|
.Bind(v => v.ToEitherAsync());
|
|
|
|
private async Task<WatermarkViewModel> PerformCopy(CopyWatermark request)
|
|
{
|
|
await using TvContext dbContext = _dbContextFactory.CreateDbContext();
|
|
ChannelWatermark channelWatermark = await dbContext.ChannelWatermarks.FindAsync(request.WatermarkId);
|
|
|
|
PropertyValues values = dbContext.Entry(channelWatermark).CurrentValues.Clone();
|
|
values["Id"] = 0;
|
|
|
|
var clone = new ChannelWatermark();
|
|
await dbContext.AddAsync(clone);
|
|
dbContext.Entry(clone).CurrentValues.SetValues(values);
|
|
clone.Name = request.Name;
|
|
|
|
await dbContext.SaveChangesAsync();
|
|
|
|
return ProjectToViewModel(clone);
|
|
}
|
|
|
|
private static Task<Validation<BaseError, CopyWatermark>> Validate(CopyWatermark request) =>
|
|
ValidateName(request).AsTask().MapT(_ => request);
|
|
|
|
private static Validation<BaseError, string> ValidateName(CopyWatermark request) =>
|
|
request.NotEmpty(x => x.Name)
|
|
.Bind(_ => request.NotLongerThan(50)(x => x.Name));
|
|
}
|