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| 1 | +package helpers; |
| 2 | + |
| 3 | +import models.Artist; |
| 4 | +import models.Playlist; |
| 5 | + |
| 6 | +import java.sql.*; |
| 7 | +import java.util.ArrayList; |
| 8 | +import java.util.List; |
| 9 | + |
| 10 | +public class DbAdapter { |
| 11 | + static final String JDBC_DRIVER = "org.mariadb.jdbc.Driver"; |
| 12 | + static final String DB_URL = "jdbc:mariadb://koelapp.testpro.io/dbkoel"; |
| 13 | + static final String USER = "dbuser02"; |
| 14 | + static final String PASS = "pa$$02"; |
| 15 | + |
| 16 | + static Connection conn = null; |
| 17 | + static Statement stmt = null; |
| 18 | + |
| 19 | + public static List<Artist> getArtists() throws SQLException { |
| 20 | + List<Artist> artists = new ArrayList<Artist>(); |
| 21 | + try { |
| 22 | + Class.forName(JDBC_DRIVER); |
| 23 | + conn = DriverManager.getConnection(DB_URL, USER, PASS); |
| 24 | + stmt = conn.createStatement(); |
| 25 | + |
| 26 | + String sqlQuery = "SELECT * FROM artists"; |
| 27 | + ResultSet rs = stmt.executeQuery(sqlQuery); |
| 28 | + while (rs.next()) { |
| 29 | + String name = rs.getString("name"); |
| 30 | + int id = rs.getInt("id"); |
| 31 | + |
| 32 | + Artist artist = new Artist(id,name); |
| 33 | + artists.add(artist); |
| 34 | + } |
| 35 | + } catch (SQLException | ClassNotFoundException err) { |
| 36 | + err.printStackTrace(); |
| 37 | + } finally { |
| 38 | + if (conn != null) { |
| 39 | + conn.close(); |
| 40 | + } |
| 41 | + } |
| 42 | + return artists; |
| 43 | + } |
| 44 | + |
| 45 | + public static List<Playlist> getAllPlaylists() throws SQLException { |
| 46 | + List<Playlist> playlists = new ArrayList<Playlist>(); |
| 47 | + try { |
| 48 | + Class.forName(JDBC_DRIVER); |
| 49 | + conn = DriverManager.getConnection(DB_URL, USER, PASS); |
| 50 | + stmt = conn.createStatement(); |
| 51 | + |
| 52 | + String sqlQuery = "SELECT * FROM playlists"; |
| 53 | + ResultSet rs = stmt.executeQuery(sqlQuery); |
| 54 | + while (rs.next()) { |
| 55 | + String name = rs.getString("name"); |
| 56 | + int id = rs.getInt("id"); |
| 57 | + |
| 58 | + Playlist playlist = new Playlist(id,name); |
| 59 | + playlists.add(playlist); |
| 60 | + } |
| 61 | + } catch (SQLException | ClassNotFoundException err) { |
| 62 | + err.printStackTrace(); |
| 63 | + } finally { |
| 64 | + if (conn != null) { |
| 65 | + conn.close(); |
| 66 | + } |
| 67 | + } |
| 68 | + return playlists; |
| 69 | + } |
| 70 | + |
| 71 | + public static Playlist getPlaylistsById(int id) throws SQLException { |
| 72 | + Playlist returnedPlaylist = new Playlist(); |
| 73 | + try { |
| 74 | + Class.forName(JDBC_DRIVER); |
| 75 | + conn = DriverManager.getConnection(DB_URL, USER, PASS); |
| 76 | + stmt = conn.createStatement(); |
| 77 | + |
| 78 | + String sqlQuery = "SELECT id, name FROM playlists WHERE id="+id; |
| 79 | + List<Playlist> pls = new ArrayList<>(); |
| 80 | + ResultSet rs = stmt.executeQuery(sqlQuery); |
| 81 | + while (rs.next()) { |
| 82 | + String name = rs.getString("name"); |
| 83 | + |
| 84 | + Playlist playlist = new Playlist(id,name); |
| 85 | + pls.add(playlist); |
| 86 | + } |
| 87 | + returnedPlaylist = pls.get(0); |
| 88 | + } catch (SQLException | ClassNotFoundException err) { |
| 89 | + err.printStackTrace(); |
| 90 | + } finally { |
| 91 | + if (conn != null) { |
| 92 | + conn.close(); |
| 93 | + } |
| 94 | + } |
| 95 | + return returnedPlaylist; |
| 96 | + } |
| 97 | +} |
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