Update scheduling parameters and refactor channel endpoints: extend HorizonDays to 7 and RetentionDays to 90 in appsettings.json. Consolidate channel-related endpoint logic by removing obsolete files and enhancing the ShowEndpoints with audience and genre management capabilities. Improve error handling and streamline command handlers for channel operations.

backend/src/TeleWave.Application/Library/GetShow/GetShowQueryHandler.cs

@@ -2,6 +2,7 @@ using LiteCqrs;
 using Microsoft.EntityFrameworkCore;
 using TeleWave.Application.Common.Interfaces;
 using TeleWave.Application.Common.Models;
+using TeleWave.Application.Library.Collections;
 
 namespace TeleWave.Application.Library.GetShow;
 
@@ -16,10 +17,28 @@ public sealed class GetShowQueryHandler(IAppDbContext dbContext)
         var show = await dbContext
             .Shows.AsNoTracking()
             .Include(s => s.Episodes)
+            .Include(s => s.Genres)
             .FirstOrDefaultAsync(s => s.Id == query.Id, cancellationToken);
         if (show is null)
             return Result.Failure<ShowDto>(ShowErrors.NotFound);
 
+        var genreIds = show.Genres.Select(g => g.GenreId).ToList();
+        var genreNames = await dbContext
+            .Genres.AsNoTracking()
+            .Where(g => genreIds.Contains(g.Id))
+            .Select(g => new { g.Id, g.Name, g.SortOrder })
+            .ToListAsync(cancellationToken);
+
+        var genreDtos = genreNames
+            .OrderByDescending(g => show.Genres.First(sg => sg.GenreId == g.Id).IsPrimary)
+            .ThenBy(g => g.SortOrder)
+            .Select(g => new ShowGenreDto(
+                g.Id,
+                g.Name,
+                show.Genres.First(sg => sg.GenreId == g.Id).IsPrimary
+            ))
+            .ToList();
+
         var episodes = show.Episodes.OrderBy(e => e.Position).ToList();
         var assetIds = episodes.Select(e => e.MediaAssetId).ToList();
         var assets = await dbContext
@@ -55,6 +74,19 @@ public sealed class GetShowQueryHandler(IAppDbContext dbContext)
             })
             .ToList();
 
+        var collections = await dbContext
+            .CollectionItems.AsNoTracking()
+            .Where(i => i.ShowId == show.Id)
+            .Join(
+                dbContext.Collections.AsNoTracking(),
+                item => item.CollectionId,
+                collection => collection.Id,
+                (item, collection) =>
+                    new ShowCollectionRefDto(collection.Id, collection.Name, item.Position)
+            )
+            .OrderBy(c => c.Name)
+            .ToListAsync(cancellationToken);
+
         return Result.Success(
             new ShowDto(
                 show.Id,
@@ -67,7 +99,9 @@ public sealed class GetShowQueryHandler(IAppDbContext dbContext)
                 show.MetadataExternalId,
                 show.Year,
                 show.PosterImageId,
-                episodeDtos
+                episodeDtos,
+                genreDtos,
+                collections
             )
         );
     }