Refactoring and cleanup

2019-04-14 18:53:04 +00:00
parent ed6ae7e3dd
commit c9b1abdbdb
10 changed files with 596 additions and 423 deletions
@@ -0,0 +1,141 @@
+using MySql.Data.MySqlClient;    
+using System;    
+using System.Collections.Generic;    
+        
+namespace Icarus.Models    
+{    
+    public class MusicStoreContext    
+    {    
+        public string ConnectionString { get; set; }    
+    
+        public MusicStoreContext(string connectionString)    
+        {    
+            this.ConnectionString = connectionString;    
+        }    
+
+	public void InsertSongDetails()
+	{
+	}
+
+
+	public void SaveSong(Song song)
+	{
+	    try
+	    {
+	        using (MySqlConnection conn = GetConnection())
+		{
+		    conn.Open();
+		    string query = "INSERT INTO Songs(Title, Album, Artist, Year, Genre, Duration, " +
+				   "Filename, SongPath) VALUES(@Title, @Album, @Artist, @Year, @Genre, " +
+				   "@Duration, @Filename, @SongPath)";
+		    using (MySqlCommand cmd = new MySqlCommand(query, conn))
+		    {
+		        cmd.Parameters.AddWithValue("@Title", song.Title);
+			cmd.Parameters.AddWithValue("@Album", song.Album);
+			cmd.Parameters.AddWithValue("@Artist", song.Artist);
+			cmd.Parameters.AddWithValue("@Year", song.Year);
+			cmd.Parameters.AddWithValue("@Genre", song.Genre);
+			cmd.Parameters.AddWithValue("@Duration", song.Duration);
+			cmd.Parameters.AddWithValue("@Filename", song.Filename);
+			cmd.Parameters.AddWithValue("@SongPath", song.SongPath);
+
+			cmd.ExecuteNonQuery();
+		    }
+		}
+	    }
+	    catch(Exception ex)
+	    {
+	        var exMsg = ex.Message;
+		Console.WriteLine($"An error occurred:\n{exMsg}");
+	    }
+	}
+
+	public List<Song> GetAllSongs()
+	{
+	    List<Song> songs = new List<Song>();
+	    try
+	    {
+	        using (MySqlConnection conn = GetConnection())
+		{
+		    conn.Open();
+		    var query = "SELECT * FROM Songs";
+		    MySqlCommand cmd = new MySqlCommand(query, conn);
+		    using (var reader = cmd.ExecuteReader())
+		    {
+			while (reader.Read())
+			{
+		            songs.Add(new Song
+			    {
+			        Id = Convert.ToInt32(reader["Id"]),
+			        Title = reader["Title"].ToString(),
+			        Album = reader["Album"].ToString(),
+			        Artist = reader["Artist"].ToString(),
+			        Year = Convert.ToInt32(reader["Year"]),
+			        Genre = reader["Genre"].ToString(),
+			        Duration = Convert.ToInt32(reader["Duration"]),
+			        Filename = reader["Filename"].ToString(),
+			        SongPath = reader["SongPath"].ToString()
+			    });
+			}
+		    }
+		}
+	    }
+	    catch (Exception ex)
+	    {
+	        var exMsg = ex.Message;
+		Console.WriteLine($"An error ocurred:\n{exMsg}");
+		songs.Clear();
+	    }
+
+	    return songs;
+	}
+
+	public Song GetSong(int id)
+	{
+	    Song song = new Song();
+
+	    try
+	    {
+	        using (MySqlConnection conn = GetConnection())
+		{
+		    conn.Open();
+		    var query = "SELECT * FROM Songs WHERE Id=@Id";
+
+		    MySqlCommand cmd = new MySqlCommand(query, conn);
+		    cmd.Parameters.AddWithValue("@Id", id);
+
+		    using (var reader = cmd.ExecuteReader())
+		    {
+			while (reader.Read())
+			{
+		            song = new Song
+			    {
+			        Id = Convert.ToInt32(reader["Id"]),
+			        Title = reader["Title"].ToString(),
+			        Album = reader["Album"].ToString(),
+			        Artist = reader["Artist"].ToString(),
+			        Year = Convert.ToInt32(reader["Year"]),
+			        Genre = reader["Genre"].ToString(),
+			        Duration = Convert.ToInt32(reader["Duration"]),
+			        Filename = reader["Filename"].ToString(),
+			        SongPath = reader["SongPath"].ToString()
+			    };
+			}
+		    }
+		}
+	    }
+	    catch(Exception ex)
+	    {
+	        var exMsg = ex.Message;
+		Console.WriteLine($"An error ocurred: {exMsg}");
+	    }
+
+	    return song;
+	}
+        
+        private MySqlConnection GetConnection()    
+        {    
+            return new MySqlConnection(ConnectionString);    
+        }  
+    }    
+}