using ErsatzTV.Core; using ErsatzTV.Core.Domain.Scheduling; using ErsatzTV.Infrastructure.Data; using ErsatzTV.Infrastructure.Extensions; using Microsoft.EntityFrameworkCore; namespace ErsatzTV.Application.Scheduling; public class DeleteBlockGroupHandler(IDbContextFactory dbContextFactory) : IRequestHandler> { public async Task> Handle(DeleteBlockGroup request, CancellationToken cancellationToken) { await using TvContext dbContext = await dbContextFactory.CreateDbContextAsync(cancellationToken); Option maybeBlockGroup = await dbContext.BlockGroups .SelectOneAsync(p => p.Id, p => p.Id == request.BlockGroupId); foreach (BlockGroup blockGroup in maybeBlockGroup) { dbContext.BlockGroups.Remove(blockGroup); await dbContext.SaveChangesAsync(cancellationToken); } return maybeBlockGroup.Match( _ => Option.None, () => BaseError.New($"BlockGroup {request.BlockGroupId} does not exist.")); } }