Implementing collection search

Kyoo.TheMovieDb/Convertors.cs

@@ -104,6 +104,23 @@ namespace Kyoo.TheMovieDb
 			};
 		}
 
+		
+		/// <summary>
+		/// Convert a <see cref="SearchCollection"/> into a <see cref="Collection"/>.
+		/// </summary>
+		/// <param name="collection">The collection to convert.</param>
+		/// <param name="provider">The provider representing TheMovieDb.</param>
+		/// <returns>The converted collection as a <see cref="Collection"/>.</returns>
+		public static Collection ToCollection(this SearchCollection collection, Provider provider)
+		{
+			return new()
+			{
+				Slug = Utility.ToSlug(collection.Name),
+				Name = collection.Name,
+				Poster = $"https://image.tmdb.org/t/p/original{collection.PosterPath}"
+			};
+		}
+		
 		/// <summary>
 		/// Convert a <see cref="SearchMovie"/> into a <see cref="Show"/>.
 		/// </summary>

Kyoo.TheMovieDb/ProviderTmdb.cs

@@ -81,11 +81,27 @@ namespace Kyoo.TheMovieDb
 		public async Task<ICollection<T>> Search<T>(string query) 
 			where T : class, IResource
 		{
+			if (typeof(T) == typeof(Collection))
+				return (await _SearchCollections(query) as ICollection<T>)!;
 			if (typeof(T) == typeof(Show))
 				return (await _SearchShows(query) as ICollection<T>)!;
 			return ArraySegment<T>.Empty;
 		}
 
+		/// <summary>
+		/// Search for a collection using it's name as a query.
+		/// </summary>
+		/// <param name="query">The query to search for</param>
+		/// <returns>A collection containing metadata from TheMovieDb</returns>
+		private async Task<ICollection<Collection>> _SearchCollections(string query)
+		{
+			TMDbClient client = new(_apiKey.Value.ApiKey);
+			return (await client.SearchCollectionAsync(query))
+				.Results
+				.Select(x => x.ToCollection(Provider))
+				.ToArray();
+		}
+
 		/// <summary>
 		/// Search for a show using it's name as a query.
 		/// </summary>