amazing-username
572 lines
16 KiB
C#
572 lines
16 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Configuration;
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using System.Data;
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using System.IO;
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using System.Threading.Tasks;
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using Microsoft.AspNetCore.Http;
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using Microsoft.Extensions.Configuration;
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using Id3;
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using Id3.Frames;
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using MySql.Data;
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using MySql.Data.MySqlClient;
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using NLog;
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using TagLib;
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using Icarus.Controllers.Utilities;
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using Icarus.Models;
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using Icarus.Models.Context;
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namespace Icarus.Controllers.Managers
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{
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public class SongManager
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{
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#region Fields
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private static Logger _logger = NLog.Web.NLogBuilder.ConfigureNLog("nlog.config").GetCurrentClassLogger();
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private MySqlConnection _conn;
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private MySqlCommand _cmd;
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private MySqlDataAdapter _dataDump;
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private DataTable _results;
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private List<Song> _songs;
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private Song _song;
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private IConfiguration _config;
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private string _connectionString;
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private string _tempDirectoryRoot;
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private string _archiveDirectoryRoot;
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private string _compressedSongFilename;
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#endregion
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#region Properties
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public Song SongDetails
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{
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get => _song;
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set => _song = value;
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}
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public string ArchiveDirectoryRoot
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{
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get => _archiveDirectoryRoot;
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set => _archiveDirectoryRoot = value;
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}
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public string CompressedSongFilename
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{
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get => _compressedSongFilename;
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set => _compressedSongFilename = value;
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}
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#endregion
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#region Constructors
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public SongManager()
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{
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Initialize();
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InitializeConnection();
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}
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public SongManager(Song song)
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{
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Initialize();
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InitializeConnection();
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_song = song;
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}
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public SongManager(IConfiguration config)
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{
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_config = config;
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Initialize();
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InitializeConnection();
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}
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public SongManager(IConfiguration config, string tempDirectoryRoot)
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{
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_config = config;
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_tempDirectoryRoot = tempDirectoryRoot;
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Initialize();
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InitializeConnection();
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}
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#endregion
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#region Methods
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public bool DeleteSongFromFileSystem(Song songMetaData)
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{
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bool successful = false;
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try
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{
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var songPath = songMetaData.SongPath;
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System.IO.File.Delete(songPath);
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successful = true;
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DirectoryManager dirMgr = new DirectoryManager(_config, songMetaData);
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dirMgr.DeleteEmptyDirectories();
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Console.WriteLine("Song successfully deleted");
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}
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catch (Exception ex)
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{
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var exMsg = ex.Message;
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}
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return successful;
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}
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public void SaveSongDetails()
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{
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try
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{
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using (MySqlConnection conn = new MySqlConnection(_connectionString))
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{
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conn.Open();
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string query = "INSERT INTO Songs(Title, Album, Artist, Year, Genre, Duration, " +
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"Filename, SongPath) VALUES(@Title, @Album, @Artist, @Year, @Genre, " +
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"@Duration, @Filename, @SongPath)";
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using (MySqlCommand cmd = new MySqlCommand(query, conn))
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{
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cmd.Parameters.AddWithValue("@Title", _song.Title);
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cmd.Parameters.AddWithValue("@Album", _song.Album);
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cmd.Parameters.AddWithValue("@Artist", _song.Artist);
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cmd.Parameters.AddWithValue("@Year", _song.Year);
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cmd.Parameters.AddWithValue("@Genre", _song.Genre);
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cmd.Parameters.AddWithValue("@Duration", _song.Duration);
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cmd.Parameters.AddWithValue("@Filename", _song.Filename);
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cmd.Parameters.AddWithValue("@SongPath", _song.SongPath);
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cmd.ExecuteNonQuery();
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}
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}
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}
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catch (Exception ex)
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{
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var exMsg = ex.Message;
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Console.WriteLine($"An Error Occurred: {exMsg}");
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}
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}
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public void SaveSongDetails(Song song)
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{
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try
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{
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using (MySqlConnection conn = new MySqlConnection(_connectionString))
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{
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conn.Open();
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string query = "INSERT INTO Songs(Title, Album, Artist, Year, Genre, Duration, " +
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", Filename, SongPath) VALUES(@Title, @Album, @Artist, @Year, @Genre, " +
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"@Duration, @Filename, @SongPath)";
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using (MySqlCommand cmd = new MySqlCommand(query, conn))
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{
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cmd.Parameters.AddWithValue("@Title", song.Title);
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cmd.Parameters.AddWithValue("@Album", song.Album);
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cmd.Parameters.AddWithValue("@Artist", song.Artist);
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cmd.Parameters.AddWithValue("@Year", song.Year);
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cmd.Parameters.AddWithValue("@Genre", song.Genre);
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cmd.Parameters.AddWithValue("@Duration", song.Duration);
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cmd.Parameters.AddWithValue("@Filename", song.Filename);
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cmd.Parameters.AddWithValue("@SongPath", song.SongPath);
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cmd.ExecuteNonQuery();
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}
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}
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}
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catch (Exception ex)
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{
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var exMsg = ex.Message;
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Console.WriteLine($"An Error Occurred: {exMsg}");
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}
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}
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public async Task SaveSong(SongData songData)
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{
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try
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{
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using (MySqlConnection conn = new MySqlConnection(_connectionString))
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{
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conn.Open();
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string query = "INSERT INTO SongData(Data) VALUES(@Data)";
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using (MySqlCommand cmd = new MySqlCommand(query, conn))
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{
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cmd.Parameters.AddWithValue("@Data", songData.Data);
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cmd.ExecuteNonQuery();
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}
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}
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}
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catch(Exception ex)
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{
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var exMsg = ex.Message;
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Console.WriteLine($"An error occurred: {exMsg}");
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}
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}
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public async Task SaveSongToFileSystem(IFormFile song)
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{
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try
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{
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Console.WriteLine("Saving song to the filesystem");
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var filePath = Path.Combine(_tempDirectoryRoot, song.FileName);
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Console.WriteLine("Saving song to the filePath");
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await SaveSongToFileSystemTemp(song, filePath);
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System.IO.File.Delete(filePath);
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DirectoryManager dirMgr = new DirectoryManager(_config, _song);
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dirMgr.CreateDirectory();
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filePath = dirMgr.SongDirectory;
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if (!song.FileName.EndsWith(".mp3"))
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filePath += $"{song.FileName}.mp3";
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else
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filePath += $"{song.FileName}";
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Console.WriteLine($"Full path {filePath}");
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using (var fileStream = new FileStream(filePath, FileMode.Create))
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{
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await song.CopyToAsync(fileStream);
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_song.SongPath = filePath;
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Console.WriteLine($"Writing song to the directory: {filePath}");
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}
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}
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catch (Exception ex)
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{
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var exMsg = ex.Message;
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Console.WriteLine($"An error occurred: {exMsg}");
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}
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}
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public async Task SaveSongToFileSystem(IFormFile songFile, MusicStoreContext sStoreContext,
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AlbumStoreContext alStoreContext,
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ArtistStoreContext arStoreContext)
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{
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try
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{
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// TODO: Define and implement method that will take care of the
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// song and album records, eventually will address the artist
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// records. Make use of helper functions
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_logger.Info("Starting process to save song to the filesystem");
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var fileTempPath = Path.Combine(_tempDirectoryRoot, songFile.FileName);
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//await SaveSongToFileSystemTemp(song, fileTempPath);
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var song = await SaveSongTemp(songFile, fileTempPath);
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System.IO.File.Delete(fileTempPath);
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DirectoryManager dirMgr = new DirectoryManager(_config, song);
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dirMgr.CreateDirectory();
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var filePath = dirMgr.SongDirectory;
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if (!songFile.FileName.EndsWith(".mp3"))
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filePath += $"{songFile.FileName}.mp3";
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else
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filePath += $"{songFile.FileName}";
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_logger.Info($"Absolute song path: {filePath}");
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using (var fileStream = new FileStream(filePath, FileMode.Create))
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{
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await (songFile.CopyToAsync(fileStream));
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song.SongPath = filePath;
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_logger.Info("Song Successfully saved");
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}
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SaveSongToDatabase(song, sStoreContext, alStoreContext, arStoreContext);
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}
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catch (Exception ex)
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{
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var msg = ex.Message;
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_logger.Error(msg, "An error occurred");
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}
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}
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public async Task<List<Song>> RetrieveAllSongDetails()
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{
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try
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{
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InitializeResults();
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_songs = new List<Song>();
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_conn.Open();
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string query = "SELECT * FROM Songs";
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_cmd = new MySqlCommand(query, _conn);
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_cmd.ExecuteNonQuery();
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_dataDump = new MySqlDataAdapter(_cmd);
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_dataDump.Fill(_results);
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_dataDump.Dispose();
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await PopulateSongDetails();
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_conn.Close();
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}
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catch (Exception ex)
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{
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var exMsg = ex.Message;
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Console.WriteLine($"An error ocurred: {exMsg}");
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}
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return _songs;
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}
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public async Task<Song> RetrieveSongDetails(int id)
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{
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DataTable results = new DataTable();
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try
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{
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using (MySqlConnection conn = new MySqlConnection(_connectionString))
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{
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conn.Open();
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string query = "SELECT * FROM Songs WHERE Id=@Id";
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using (MySqlCommand cmd = new MySqlCommand(query, conn))
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{
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cmd.Parameters.AddWithValue("@Id", id);
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cmd.ExecuteNonQuery();
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using (MySqlDataAdapter dataDump = new MySqlDataAdapter(cmd))
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{
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dataDump.Fill(results);
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}
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}
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}
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}
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catch (Exception ex)
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{
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var exMsg = ex.Message;
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Console.WriteLine($"An error occurred");
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}
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DataRow row = results.Rows[0];
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return new Song
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{
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Id = Int32.Parse(row["Id"].ToString()),
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Filename = row["Filename"].ToString(),
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SongPath = row["SongPath"].ToString()
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};
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}
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public async Task<SongData> RetrieveSong(int id)
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{
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SongData song = new SongData();
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try
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{
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_song = await RetrieveSongDetails(id);
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song = await RetrieveSongFromFileSystem(_song);
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}
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catch (Exception ex)
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{
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var exMsg = ex.Message;
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Console.WriteLine($"An error occurred: {exMsg}");
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}
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return song;
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}
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public async Task<SongData> RetrieveSong(Song songMetaData)
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{
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SongData song = new SongData();
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try
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{
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Console.WriteLine("Fetching song from filesystem");
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song = await RetrieveSongFromFileSystem(songMetaData);
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}
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catch (Exception ex)
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{
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var exMsg = ex.Message;
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Console.WriteLine($"An error occurred: {exMsg}");
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}
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return song;
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}
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Song RetrieveMetaData(string filePath)
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{
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Song newSong = new Song
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{
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Title = "Untitled",
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Artist = "Untitled",
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Album = "Untitled",
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Year = 0,
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Genre = "Untitled",
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Duration = 0,
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SongPath = ""
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};
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string title, artist, album, genre;
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int year, duration;
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Console.WriteLine("Stripping song metadata");
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try
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{
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TagLib.File tfile = TagLib.File.Create(filePath);
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using (var mp3 = new Mp3(filePath))
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{
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Id3Tag tag = mp3.GetTag(Id3TagFamily.Version2X);
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title = tag.Title;
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Console.WriteLine("Title: {0}", title);
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newSong.Title = title;
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artist = tag.Artists;
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Console.WriteLine("Artist: {0}", artist);
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newSong.Artist = artist;
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album = tag.Album;
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Console.WriteLine("Album: {0}", album);
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newSong.Album = album;
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genre = "Not Implemented";
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Console.WriteLine("Genre: {0}", genre);
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newSong.Genre = genre;
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year = (int)tag.Year;
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Console.WriteLine("Year: {0}", year);
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newSong.Year = year;
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duration = (int)tfile.Properties.Duration.TotalSeconds;
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Console.WriteLine("Duration: {0}", duration);
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newSong.Duration = duration;
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}
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_song = newSong;
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}
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catch (Exception ex)
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{
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var msg = ex.Message;
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Console.WriteLine($"An error occurred when stripping metadata\n{msg}");
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_song = newSong;
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}
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return newSong;
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}
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async Task<SongData> RetrieveSongFromFileSystem(Song details)
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{
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byte[] uncompressedSong = System.IO.File.ReadAllBytes(details.SongPath);
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return new SongData
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{
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Data = uncompressedSong
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};
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}
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private async Task<Song> SaveSongTemp(IFormFile songFile, string filePath)
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{
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var song = new Song();
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using (var filestream = new FileStream(filePath, FileMode.Create))
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{
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_logger.Info("Saving song to temporary directory");
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await songFile.CopyToAsync(filestream);
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MetadataRetriever meta = new MetadataRetriever();
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song = meta.RetrieveMetaData(filePath);
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_logger.Info("Assigning song filename");
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song.Filename = songFile.FileName;
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}
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return song;
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}
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private async Task SaveSongToFileSystemTemp(IFormFile song, string filePath)
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{
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using (var fileStream = new FileStream(filePath, FileMode.Create))
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{
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Console.WriteLine("Retrieving song and storing it in memory");
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_logger.Info("Retrieving song and storing it in memory");
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await song.CopyToAsync(fileStream);
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Console.WriteLine($"Retrieving metadata of song from filepath {filePath}");
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_logger.Info($"Retrieving metadata of song from filepath {filePath}");
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MetadataRetriever meta = new MetadataRetriever();
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_song = meta.RetrieveMetaData(filePath);
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Console.WriteLine("Assigning song filename");
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_song.Filename = song.FileName;
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Console.WriteLine($"Song filename retrieved: {song.FileName}");
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}
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}
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private void Initialize()
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{
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try
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{
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_connectionString = _config.GetConnectionString("IcarusDev");
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}
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catch (Exception ex)
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{
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Console.WriteLine($"Error Occurred: {ex.Message}");
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}
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}
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private void InitializeConnection()
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{
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_conn = new MySqlConnection(_connectionString);
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}
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private void InitializeResults()
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{
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_results = new DataTable();
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}
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private void SaveSongToDatabase(Song song, MusicStoreContext songStore, AlbumStoreContext albumStore,
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ArtistStoreContext artistStore)
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{
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// TODO: Not finished and have not been tested
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var album = new Album();
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album.Title = song.Album;
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album.AlbumArtist = song.Artist;
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if (!albumStore.DoesAlbumExist(song))
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{
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album.SongCount = 1;
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_logger.Info("Saving album to database");
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albumStore.SaveAlbum(album);
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_logger.Info("Album suuccessfully saved to database");
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album = albumStore.GetAlbum(album);
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}
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else
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{
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var albumRetrieved = albumStore.GetAlbum(song);
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album.Id = albumRetrieved.Id;
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album.SongCount = albumRetrieved.SongCount + 1;
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// TODO: Add functionality to the method below
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albumStore.UpdateAlbum(album);
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}
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song.AlbumId = album.Id;
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// TODO: Update the method below to save the newly added AlbumId value
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songStore.SaveSong(song);
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}
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private async Task PopulateSongDetails()
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{
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foreach (DataRow row in _results.Rows)
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{
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Song song = new Song();
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foreach (DataColumn col in _results.Columns)
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{
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string colStr = col.ToString().ToUpper();
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switch (colStr)
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{
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case "ID":
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song.Id = Int32.Parse(row[col].ToString());
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break;
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case "TITLE":
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song.Title = row[col].ToString();
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break;
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case "ALBUM":
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song.Album = row[col].ToString();
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break;
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case "ARTIST":
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song.Artist = row[col].ToString();
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break;
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case "YEAR":
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song.Year = Int32.Parse(row[col].ToString());
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break;
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case "GENRE":
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song.Genre = row[col].ToString();
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break;
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case "DURATION":
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song.Duration = Int32.Parse(row[col].ToString());
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break;
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case "FILENAME":
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song.Filename = row[col].ToString();
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break;
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case "SONGPATH":
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song.SongPath = row[col].ToString();
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break;
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}
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}
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_songs.Add(song);
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}
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}
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#endregion
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}
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}
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