100 lines
4.3 KiB
C#
100 lines
4.3 KiB
C#
using ErsatzTV.Core;
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using ErsatzTV.Core.Domain.Scheduling;
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using ErsatzTV.Infrastructure.Data;
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using ErsatzTV.Infrastructure.Extensions;
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using Microsoft.EntityFrameworkCore;
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namespace ErsatzTV.Application.Scheduling;
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public class UpdateDecoHandler(IDbContextFactory<TvContext> dbContextFactory)
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: IRequestHandler<UpdateDeco, Either<BaseError, DecoViewModel>>
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{
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public async Task<Either<BaseError, DecoViewModel>> Handle(UpdateDeco request, CancellationToken cancellationToken)
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{
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await using TvContext dbContext = await dbContextFactory.CreateDbContextAsync(cancellationToken);
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Validation<BaseError, Deco> validation = await Validate(dbContext, request);
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return await validation.Apply(ps => ApplyUpdateRequest(dbContext, ps, request));
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}
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private static async Task<DecoViewModel> ApplyUpdateRequest(
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TvContext dbContext,
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Deco existing,
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UpdateDeco request)
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{
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existing.Name = request.Name;
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// watermark
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existing.WatermarkMode = request.WatermarkMode;
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existing.WatermarkId = request.WatermarkMode is DecoMode.Override ? request.WatermarkId : null;
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existing.UseWatermarkDuringFiller =
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request.WatermarkMode is DecoMode.Override && request.UseWatermarkDuringFiller;
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// default filler
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existing.DefaultFillerMode = request.DefaultFillerMode;
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existing.DefaultFillerCollectionType = request.DefaultFillerCollectionType;
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existing.DefaultFillerCollectionId = request.DefaultFillerMode is DecoMode.Override
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? request.DefaultFillerCollectionId
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: null;
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existing.DefaultFillerMediaItemId = request.DefaultFillerMode is DecoMode.Override
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? request.DefaultFillerMediaItemId
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: null;
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existing.DefaultFillerMultiCollectionId = request.DefaultFillerMode is DecoMode.Override
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? request.DefaultFillerMultiCollectionId
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: null;
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existing.DefaultFillerSmartCollectionId = request.DefaultFillerMode is DecoMode.Override
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? request.DefaultFillerSmartCollectionId
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: null;
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existing.DefaultFillerTrimToFit = request.DefaultFillerTrimToFit;
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// dead air fallback
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existing.DeadAirFallbackMode = request.DeadAirFallbackMode;
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existing.DeadAirFallbackCollectionType = request.DeadAirFallbackCollectionType;
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existing.DeadAirFallbackCollectionId = request.DeadAirFallbackMode is DecoMode.Override
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? request.DeadAirFallbackCollectionId
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: null;
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existing.DeadAirFallbackMediaItemId = request.DeadAirFallbackMode is DecoMode.Override
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? request.DeadAirFallbackMediaItemId
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: null;
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existing.DeadAirFallbackMultiCollectionId = request.DeadAirFallbackMode is DecoMode.Override
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? request.DeadAirFallbackMultiCollectionId
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: null;
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existing.DeadAirFallbackSmartCollectionId = request.DeadAirFallbackMode is DecoMode.Override
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? request.DeadAirFallbackSmartCollectionId
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: null;
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await dbContext.SaveChangesAsync();
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return Mapper.ProjectToViewModel(existing);
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}
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private static async Task<Validation<BaseError, Deco>> Validate(TvContext dbContext, UpdateDeco request) =>
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(await DecoMustExist(dbContext, request), await ValidateDecoName(dbContext, request))
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.Apply((deco, _) => deco);
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private static Task<Validation<BaseError, Deco>> DecoMustExist(
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TvContext dbContext,
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UpdateDeco request) =>
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dbContext.Decos
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.SelectOneAsync(d => d.Id, d => d.Id == request.DecoId)
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.Map(o => o.ToValidation<BaseError>("Deco does not exist"));
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private static async Task<Validation<BaseError, string>> ValidateDecoName(
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TvContext dbContext,
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UpdateDeco request)
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{
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if (request.Name.Length > 50)
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{
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return BaseError.New($"Deco name \"{request.Name}\" is invalid");
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}
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Option<Deco> maybeExisting = await dbContext.Decos
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.FirstOrDefaultAsync(
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d => d.Id != request.DecoId && d.DecoGroupId == request.DecoGroupId && d.Name == request.Name)
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.Map(Optional);
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return maybeExisting.IsSome
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? BaseError.New($"A deco named \"{request.Name}\" already exists in that deco group")
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: Success<BaseError, string>(request.Name);
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}
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}
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