Creating the season repository

Kyoo.Common/Controllers/IRepository.cs

@@ -21,12 +21,12 @@ namespace Kyoo.Controllers
 
 	public interface ISeasonRepository : IRepository<Season>
 	{
-		Season Get(string showSlug, long seasonNumber);
+		Task<Season> Get(string showSlug, long seasonNumber);
 	}
 	
 	public interface IEpisodeRepository : IRepository<Episode>
 	{
-		Episode Get(string showSlug, long seasonNumber, long episodeNumber);
+		Task<Episode> Get(string showSlug, long seasonNumber, long episodeNumber);
 	}
 	
 	public interface ITrackRepository : IRepository<Track> {}

Kyoo.Common/Models/Season.cs

@@ -10,7 +10,7 @@ namespace Kyoo.Models
 
 		public long SeasonNumber { get; set; } = -1;
 
-		public string Slug => $"{Show.Title}-s{SeasonNumber}";
+		public string Slug => $"{Show.Slug}-s{SeasonNumber}";
 		public string Title { get; set; }
 		public string Overview { get; set; }
 		public long? Year { get; set; }

Kyoo/Controllers/Repositories/SeasonRepository.cs

@@ -0,0 +1,114 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Kyoo.Models;
+using Kyoo.Models.Exceptions;
+using Microsoft.EntityFrameworkCore;
+
+namespace Kyoo.Controllers
+{
+	public class SeasonRepository : ISeasonRepository
+	{
+		private readonly DatabaseContext _database;
+		private readonly IProviderRepository _providers;
+
+
+		public SeasonRepository(DatabaseContext database, IProviderRepository providers)
+		{
+			_database = database;
+			_providers = providers;
+		}
+		
+		public async Task<Season> Get(long id)
+		{
+			return await _database.Seasons.FirstOrDefaultAsync(x => x.ID == id);
+		}
+
+		public Task<Season> Get(string slug)
+		{
+			int index = slug.IndexOf('-');
+			if (index == -1)
+				throw new InvalidOperationException("Invalid season slug. Format: showSlug-seasonNumber");
+			string showSlug = slug.Substring(0, index);
+			if (!long.TryParse(slug.Substring(index + 1), out long seasonNumber))
+				throw new InvalidOperationException("Invalid season slug. Format: showSlug-seasonNumber");
+			return Get(showSlug, seasonNumber);
+		}
+		
+		public async Task<Season> Get(string showSlug, long seasonNumber)
+		{
+			return await _database.Seasons.FirstOrDefaultAsync(x => x.Show.Slug == showSlug 
+			                                                        && x.SeasonNumber == seasonNumber);
+		}
+
+		public async Task<IEnumerable<Season>> Search(string query)
+		{
+			return await _database.Seasons
+				.Where(x => EF.Functions.Like(x.Title, $"%{query}%"))
+				.Take(20)
+				.ToListAsync();
+		}
+
+		public async Task<IEnumerable<Season>> GetAll()
+		{
+			return await _database.Seasons.ToListAsync();
+		}
+
+		public async Task<long> Create(Season obj)
+		{
+			if (obj == null)
+				throw new ArgumentNullException(nameof(obj));
+
+			obj.Show = null;
+			obj.Episodes = null;
+			await Validate(obj);
+			
+			await _database.Seasons.AddAsync(obj);
+			await _database.SaveChangesAsync();
+			return obj.ID;
+		}
+		
+		public async Task<long> CreateIfNotExists(Season obj)
+		{
+			if (obj == null)
+				throw new ArgumentNullException(nameof(obj));
+
+			Season old = await Get(obj.Slug);
+			if (old != null)
+				return old.ID;
+			return await Create(obj);
+		}
+
+		public async Task Edit(Season edited, bool resetOld)
+		{
+			if (edited == null)
+				throw new ArgumentNullException(nameof(edited));
+			
+			Season old = await Get(edited.Slug);
+
+			if (old == null)
+				throw new ItemNotFound($"No season found with the slug {edited.Slug}.");
+			
+			if (resetOld)
+				Utility.Nullify(old);
+			Utility.Merge(old, edited);
+			await _database.SaveChangesAsync();
+		}
+
+		private async Task Validate(Season obj)
+		{
+			obj.ExternalIDs = (await Task.WhenAll(obj.ExternalIDs.Select(async x =>
+			{
+				x.ProviderID = await _providers.CreateIfNotExists(x.Provider);
+				return x;
+			}))).ToList();
+		}
+
+		public async Task Delete(Season obj)
+		{
+			_database.Seasons.Remove(obj);
+			await _database.SaveChangesAsync();
+		}
+	}
+}