70 lines
2.9 KiB
C#
70 lines
2.9 KiB
C#
using ErsatzTV.Core;
|
|
using ErsatzTV.Core.Domain;
|
|
using ErsatzTV.Core.Interfaces.Search;
|
|
using ErsatzTV.Infrastructure.Data;
|
|
using ErsatzTV.Infrastructure.Extensions;
|
|
using Microsoft.EntityFrameworkCore;
|
|
|
|
namespace ErsatzTV.Application.Watermarks;
|
|
|
|
public class UpdateWatermarkHandler : IRequestHandler<UpdateWatermark, Either<BaseError, UpdateWatermarkResult>>
|
|
{
|
|
private readonly IDbContextFactory<TvContext> _dbContextFactory;
|
|
private readonly ISearchTargets _searchTargets;
|
|
|
|
public UpdateWatermarkHandler(IDbContextFactory<TvContext> dbContextFactory, ISearchTargets searchTargets)
|
|
{
|
|
_dbContextFactory = dbContextFactory;
|
|
_searchTargets = searchTargets;
|
|
}
|
|
|
|
public async Task<Either<BaseError, UpdateWatermarkResult>> Handle(
|
|
UpdateWatermark request,
|
|
CancellationToken cancellationToken)
|
|
{
|
|
await using TvContext dbContext = await _dbContextFactory.CreateDbContextAsync(cancellationToken);
|
|
Validation<BaseError, ChannelWatermark> validation = await Validate(dbContext, request);
|
|
return await validation.Apply(p => ApplyUpdateRequest(dbContext, p, request));
|
|
}
|
|
|
|
private async Task<UpdateWatermarkResult> ApplyUpdateRequest(
|
|
TvContext dbContext,
|
|
ChannelWatermark p,
|
|
UpdateWatermark update)
|
|
{
|
|
p.Name = update.Name;
|
|
p.Image = update.ImageSource == ChannelWatermarkImageSource.Custom ? update.Image : null;
|
|
p.Mode = update.Mode;
|
|
p.ImageSource = update.ImageSource;
|
|
p.Location = update.Location;
|
|
p.Size = update.Size;
|
|
p.WidthPercent = update.Width;
|
|
p.HorizontalMarginPercent = update.HorizontalMargin;
|
|
p.VerticalMarginPercent = update.VerticalMargin;
|
|
p.FrequencyMinutes = update.FrequencyMinutes;
|
|
p.DurationSeconds = update.DurationSeconds;
|
|
p.Opacity = update.Opacity;
|
|
p.PlaceWithinSourceContent = update.PlaceWithinSourceContent;
|
|
await dbContext.SaveChangesAsync();
|
|
_searchTargets.SearchTargetsChanged();
|
|
return new UpdateWatermarkResult(p.Id);
|
|
}
|
|
|
|
private static async Task<Validation<BaseError, ChannelWatermark>> Validate(
|
|
TvContext dbContext,
|
|
UpdateWatermark request) =>
|
|
(await WatermarkMustExist(dbContext, request), ValidateName(request))
|
|
.Apply((watermark, _) => watermark);
|
|
|
|
private static Task<Validation<BaseError, ChannelWatermark>> WatermarkMustExist(
|
|
TvContext dbContext,
|
|
UpdateWatermark updateWatermark) =>
|
|
dbContext.ChannelWatermarks
|
|
.SelectOneAsync(p => p.Id, p => p.Id == updateWatermark.Id)
|
|
.Map(o => o.ToValidation<BaseError>("Watermark does not exist."));
|
|
|
|
private static Validation<BaseError, string> ValidateName(UpdateWatermark updateWatermark) =>
|
|
updateWatermark.NotEmpty(x => x.Name)
|
|
.Bind(_ => updateWatermark.NotLongerThan(50)(x => x.Name));
|
|
}
|