Modified Song model, added more functionality to the Album context and store, and need to work on how album records are handled when uploading songs. I left TODO's on where to pick up. #22, #25, #29

Controllers/Managers/SongManager.cs

@@ -12,16 +12,19 @@ using Id3;
 using Id3.Frames;
 using MySql.Data;
 using MySql.Data.MySqlClient;
+using NLog;
 using TagLib;
 
-using Icarus.Models;
 using Icarus.Controllers.Utilities;
+using Icarus.Models;
+using Icarus.Models.Context;
 
 namespace Icarus.Controllers.Managers
 {
 	public class SongManager
     	{
         	#region Fields
+		private static Logger _logger = NLog.Web.NLogBuilder.ConfigureNLog("nlog.config").GetCurrentClassLogger();
         	private MySqlConnection _conn;
         	private MySqlCommand _cmd;
         	private MySqlDataAdapter _dataDump;
@@ -226,6 +229,22 @@ namespace Icarus.Controllers.Managers
 				Console.WriteLine($"An error occurred: {exMsg}");
 	    		}
 		}
+		public async Task SaveSongToFileSystem(IFormFile song, MusicStoreContext sStoreContext,
+				AlbumStoreContext alStoreContext,
+				ArtistStoreContext arStoreContext) 
+		{
+			try
+			{
+				// TODO: Define and implement method that will take care of the
+				// song and album records, eventually will address the artist
+				// records. Make use of helper functions
+			}
+			catch (Exception ex)
+			{
+				var msg = ex.Message;
+				_logger.Error(msg, "An error occurred");
+			}
+		}
 
         	public async Task<List<Song>> RetrieveAllSongDetails()
         	{
@@ -405,7 +424,7 @@ namespace Icarus.Controllers.Managers
 				Console.WriteLine($"Retrieving metadata of song from filepath {filePath}");
 				MetadataRetriever meta = new MetadataRetriever();
 				_song = meta.RetrieveMetaData(filePath);
-		//_song = RetrieveMetaData(filePath);
+	
 				Console.WriteLine("Assigning song filename");
 				_song.Filename = song.FileName;
 				Console.WriteLine($"Song filename retrieved: {song.FileName}");

Controllers/SongDataController.cs

@@ -9,6 +9,7 @@ using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Logging;
 
 using Icarus.Controllers.Managers;
 using Icarus.Models;
@@ -22,6 +23,7 @@ namespace Icarus.Controllers
 	{
 		#region Fields
         	private IConfiguration _config;
+		private ILogger<SongDataController> _logger;
 		private SongManager _songMgr;
 		private string _songTempDir;
 		#endregion
@@ -32,9 +34,10 @@ namespace Icarus.Controllers
 
 
 		#region Constructor
-		public SongDataController(IConfiguration config)
+		public SongDataController(IConfiguration config, ILogger<SongDataController> logger)
 		{
 			_config = config;
+			_logger = logger;
 			_songTempDir = _config.GetValue<string>("TemporaryMusicPath");
 			_songMgr = new SongManager(config, _songTempDir);
 		}
@@ -48,8 +51,7 @@ namespace Icarus.Controllers
         	{
 			MusicStoreContext context = HttpContext
 				.RequestServices
-		    				   			.GetService(typeof(MusicStoreContext)) 
+				.GetService(typeof(MusicStoreContext)) as MusicStoreContext;
-						   				as MusicStoreContext;
 			var songMetaData = context.GetSong(id); 
 			
 			SongData song = await _songMgr.RetrieveSong(songMetaData);
@@ -63,29 +65,39 @@ namespace Icarus.Controllers
         	{
 			try
 			{
-				MusicStoreContext context = HttpContext
+				MusicStoreContext songStoreContext = HttpContext
 					.RequestServices
-											.GetService(typeof(MusicStoreContext)) 
+					.GetService(typeof(MusicStoreContext)) as MusicStoreContext;
-											as MusicStoreContext;
+				AlbumStoreContext albumStoreContext = HttpContext
+					.RequestServices
+					.GetService(typeof(AlbumStoreContext)) as AlbumStoreContext;
+				ArtistStoreContext artistStoreContext = HttpContext
+					.RequestServices
+					.GetService(typeof(ArtistStoreContext)) as ArtistStoreContext;
 
 				Console.WriteLine("Uploading song...");
+				_logger.LogInformation("Uploading song...");
 
 				var uploads = _songTempDir;
 				Console.WriteLine($"Song Root Path {uploads}");
+				_logger.LogInformation($"Song root path {uploads}");
 				foreach (var sng in songData)
 				{
 					if (sng.Length > 0) {
 						Console.WriteLine($"Song filename {sng.FileName}");
-						await _songMgr.SaveSongToFileSystem(sng);
+						_logger.LogInformation($"Song filename {sng.FileName}");
+						// TODO: Add functionality for overloaded method
+						await _songMgr.SaveSongToFileSystem(sng, songStoreContext,
+								albumStoreContext, artistStoreContext);
 						var song = _songMgr.SongDetails;
-						context.SaveSong(song);
+						songStoreContext.SaveSong(song);
-						Console.WriteLine("Song successfully saved");
 					}
 				}
 			}
 			catch (Exception ex)
 			{
-				Console.WriteLine($"An error occurred: {ex.Message}");
+				var msg = ex.Message;
+				_logger.LogError(msg, "An error occurred");
 			}
 		}
 
@@ -95,8 +107,7 @@ namespace Icarus.Controllers
         	{
 			MusicStoreContext context = HttpContext
 				.RequestServices
-										.GetService(typeof(MusicStoreContext)) 
+				.GetService(typeof(MusicStoreContext)) as MusicStoreContext;
-										as MusicStoreContext;
 			
 			var songMetaData = context.GetSong(id);
 			

Models/Album.cs

@@ -1,4 +1,6 @@
 using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations.Schema;
 
 using Newtonsoft.Json;
 
@@ -14,5 +16,7 @@ namespace Icarus.Models
 		public string AlbumArtist { get; set; }
 		[JsonProperty("song_count")]
 		public int SongCount { get; set; }
+		[JsonIgnore]
+		public List<Song> Songs { get; set; }
 	}
 }

Models/Context/AlbumStoreContext.cs

@@ -69,6 +69,87 @@ namespace Icarus.Models.Context
 
 			return albums;
 		}
+
+		public bool DoesAlbumExist(Album album)
+		{
+			try
+			{
+			}
+			catch (Exception ex)
+			{
+				var msg = ex.Message;
+				_logger.Error(msg, "An error occurred");
+			}
+			return false;
+		}
+
+		public void SaveAlbum(Album album)
+		{
+			try
+			{
+				using (MySqlConnection conn = GetConnection())
+				{
+					conn.Open();
+					var query = "INSERT INTO Album(Title, AlbumArtist, " +
+						"SongCount) VALUES (@Title, @AlbumArtist, " +
+						"SongCount)";
+					using (MySqlCommand cmd = new MySqlCommand(query, conn))
+					{
+						cmd.Parameters.AddWithValue("@Title", album.Title);
+						cmd.Parameters.AddWithValue("@AlbumArtist", album.AlbumArtist);
+						cmd.Parameters.AddWithValue("@SongCount", album.SongCount);
+
+						cmd.ExecuteNonQuery();
+					}
+				}
+			}
+			catch (Exception ex)
+			{
+				var msg = ex.Message;
+				_logger.Error(msg, "An error occurred");
+			}
+		}
+
+		private List<Album> ParseData(MySqlDataReader reader)
+		{
+			List<Album> albums = new List<Album>();
+			while (reader.Read())
+			{
+				var id = Convert.ToInt32(reader["Id"]);
+				var title = reader["Title"].ToString();
+				var albumArtist = reader["AlbumArtist"].ToString();
+				var songCount = Convert.ToInt32(reader["SongCount"]);
+				albums.Add(new Album
+				{
+					Id = id,
+					Title = title,
+					AlbumArtist = albumArtist,
+					SongCount = songCount
+				});
+			}
+
+			return albums;
+		}
+		private Album ParseSingleData(MySqlDataReader reader)
+		{
+			Album album = new Album();
+			while (reader.Read())
+			{
+				var id = Convert.ToInt32(reader["Id"]);
+				var title = reader["Title"].ToString();
+				var albumArtist = reader["AlbumArtist"].ToString();
+				var songCount = Convert.ToInt32(reader["SongCount"]);
+				album = new Album
+				{
+					Id = id,
+					Title = title,
+					AlbumArtist = albumArtist,
+					SongCount = songCount
+				};
+			}
+
+			return album;
+		}
 		#endregion
 	}
 }

Models/Context/MusicStoreContext.cs

@@ -6,7 +6,7 @@ using NLog;
         
 namespace Icarus.Models.Context    
 {    
-	public class MusicStoreContext    
+	public class MusicStoreContext : BaseStoreContext
     	{    
 		#region Fields
 		private static Logger _logger = NLog.LogManager.GetCurrentClassLogger();
@@ -14,14 +14,13 @@ namespace Icarus.Models.Context
 
 
 		#region Properties
-        	public string ConnectionString { get; set; }    
 		#endregion
     
 
 		#region Constructors
         	public MusicStoreContext(string connectionString)    
         	{    
-            		this.ConnectionString = connectionString;    
+            		_connectionString = connectionString;    
         	}    
 		#endregion
 
@@ -202,10 +201,53 @@ namespace Icarus.Models.Context
 	    		return song;
 		}
         
-        	private MySqlConnection GetConnection()    
+		private List<Song> ParseData(MySqlDataReader reader)
 		{
-            		return new MySqlConnection(ConnectionString);    
+
+			List<Song> songs = new List<Song>();
+			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()
+			    	});
 			}
+
+			return songs;
+		}
+
+		private Song ParseSingleData(MySqlDataReader reader)
+		{
+			Song song = new Song();
+
+
+			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()
+			    	};
+			}
+
+			return song;
+		}
+
 		#endregion
     	}    
 }  

Models/Context/SongContext.cs

@@ -21,7 +21,11 @@ namespace Icarus.Models.Context
 
         	protected override void OnModelCreating(ModelBuilder modelBuilder)
         	{
-            		modelBuilder.Entity<Song>();
+            		modelBuilder.Entity<Song>()
+				.HasOne(s => s.AlbumObject)
+				.WithMany(a => a.Songs)
+				.HasForeignKey(s => s.AlbumId)
+				.HasConstraintName("ForeignKey_Song_Album");
         	}
     	}
 }  

Models/Song.cs

@@ -1,4 +1,5 @@
 using System;
+using System.ComponentModel.DataAnnotations.Schema;
 
 using Newtonsoft.Json;
 
@@ -29,5 +30,9 @@ namespace Icarus.Models
 		public string Filename { get; set; }
 		[JsonProperty("song_path")]
 		public string SongPath { get; set; }
+		[JsonIgnore]
+		public Album AlbumObject { get; set; }
+		[JsonIgnore]
+		public int AlbumId { get; set; }
 	}
 }

Startup.cs

@@ -100,6 +100,8 @@ namespace Icarus
 							.GetConnectionString("DefaultConnection"))));
 
 			services.AddDbContext<SongContext>(options => options.UseMySQL(connString));
+			services.AddDbContext<AlbumContext>(options => options.UseMySQL(connString));
+			services.AddDbContext<ArtistContext>(options => options.UseMySQL(connString));
 			services.AddDbContext<UserContext>(options => options.UseMySQL(connString));
         	}