Continuing to provide functionality to the GenreStoreContext class #41

Models/Context/GenreStoreContext.cs

@@ -28,6 +28,109 @@ namespace Icarus.Models.Context
 
 
 		#region Methods
+		public List<Genre> GetGenres()
+		{
+			var genres = new List<Genre>();
+
+			try
+			{
+				using (var conn = GetConnection())
+				{
+					conn.Open();
+
+					var query = "SELECT * FROM Genre";
+
+					using (var cmd = new MySqlCommand(query, conn))
+					{
+						using (var reader = cmd.ExecuteReader())
+						{
+							genres = ParseData(reader);
+						}
+					}
+				}
+			}
+			catch (Exception ex)
+			{
+				var msg = ex.Message;
+				_logger.Error(msg, "An error occurred");
+			}
+
+			return genres;
+		}
+
+		public Genre GetGenre(Genre genre)
+		{
+			try
+			{
+				using (var conn = GetConnection())
+				{
+					conn.Open();
+
+					var query = "SELECT * FROM Genre WHERE GenreId=@GenreId";
+
+					using (var cmd = new MySqlCommand(query, conn))
+					{
+						cmd.Parameters.AddWithValue("@GenreId", genre.GenreId);
+
+						using (var reader = cmd.ExecuteReader())
+						{
+							genre = ParseSingleData(reader);
+						}
+					}
+				}
+			}
+			catch (Exception ex)
+			{
+				var msg = ex.Message;
+				_logger.Error(msg, "An error occurred");
+			}
+
+			return genre;
+		}
+
+		private List<Genre> ParseData(MySqlDataReader reader)
+		{
+			var genres = new List<Genre>();
+			_logger.Info("Retrieving genre records");
+
+			while (reader.Read())
+			{
+				var id = Convert.ToInt32(reader["GenreId"].ToString());
+				var genreName = reader["GenreName"].ToString();
+				var songCount = Convert.ToInt32(reader["SongCount"].ToString());
+
+				genres.Add(new Genre
+				{
+					GenreId = id,
+					GenreName = genreName,
+					SongCount = songCount
+				});
+			}
+
+			_logger.Info("Genre records retrieved");
+
+			return genres;
+		}
+
+		private Genre ParseSingleData(MySqlDataReader reader)
+		{
+			var genre = new Genre();
+			_logger.Info("Retrieving single genre record");
+
+			while (reader.Read())
+			{
+				var id = Convert.ToInt32(reader["GenreId"].ToString());
+				var genreName = reader["GenreName"].ToString();
+				var songCount = Convert.ToInt32(reader["SongCount"].ToString());
+				genre.GenreId = id;
+				genre.GenreName = genreName;
+				genre.SongCount = songCount;
+			}
+
+			_logger.Info("Single genre record retrieved");
+
+			return genre;
+		}
 		#endregion
 	}
 }