working on exporting playlists

components/AddToPlaylistWindow.py

@@ -50,10 +50,12 @@ class AddToPlaylistWindow(QDialog):
         self.show()
 
     def save(self):
-        selected_items = [item.text() for item in self.listWidget.selectedItems()]
-        selected_db_ids = [self.item_dict[item] for item in selected_items]
-        for song in self.song_db_ids:
-            for playlist in selected_db_ids:
+        selected_playlists = [item.text() for item in self.listWidget.selectedItems()]
+        selected_playlists_db_ids = [
+            self.item_dict[item] for item in selected_playlists
+        ]
+        for playlist in selected_playlists_db_ids:
+            for song in self.song_db_ids:
                 try:
                     with DBA.DBAccess() as db:
                         db.execute(
@@ -62,7 +64,7 @@ class AddToPlaylistWindow(QDialog):
                         )
                 except Exception as e:
                     logging.error(
-                        "AddToPlaylistWindow.py save() | could not insert song into playlist: {e}"
+                        f"AddToPlaylistWindow.py save() | could not insert song into playlist: {e}"
                     )
 
         self.close()

components/ExportPlaylistWindow.py

@@ -10,6 +10,7 @@ from PyQt5.QtWidgets import (
     QListWidgetItem,
 )
 from PyQt5.QtGui import QFont
+from configparser import ConfigParser
 import DBA
 
 
@@ -17,6 +18,9 @@ class ExportPlaylistWindow(QDialog):
     def __init__(self):
         super(ExportPlaylistWindow, self).__init__()
         self.setWindowTitle("Export playlist")
+        config = ConfigParser()
+        config.read("config.ini")
+        self.export_path = config.get("directories", "playlist_export_path")
         layout = QVBoxLayout()
         # button_layout = QHBoxLayout()
 
@@ -40,6 +44,15 @@ class ExportPlaylistWindow(QDialog):
         layout.addWidget(label)
         layout.addWidget(self.listWidget)
 
+        # Export path label
+        label = QLabel("Export path")
+        label.setFont(QFont("Sans", weight=QFont.Bold))  # bold category
+        label.setStyleSheet("text-transform:lowercase;")  # uppercase category
+
+        # Export path
+        self.input = QLineEdit(self.export_path)
+        layout.addWidget(self.input)
+
         # Save button
         save_button = QPushButton("Export")
         save_button.clicked.connect(self.save)
@@ -49,19 +62,28 @@ class ExportPlaylistWindow(QDialog):
 
     def save(self) -> None:
         """Exports the chosen database playlist to a .m3u file"""
+        selected_items = [item.text() for item in self.listWidget.selectedItems()]
+        selected_db_ids = [self.item_dict[item] for item in selected_items]
         value = self.input.text()
         if value == "" or value is None:
             self.close()
             return
-        else:
+        for playlist in selected_db_ids:
+            print(type(playlist))
+            print(playlist)
             try:
                 with DBA.DBAccess() as db:
-                    db.execute("INSERT INTO playlist (name) VALUES (?);", (value,))
+                    selected_song_paths = db.query(
+                        "SELECT s.filepath FROM song_playlist as sp JOIN song as s ON s.id = sp.song_id WHERE sp.playlist_id = ?;",
+                        (playlist,),
+                    )
             except Exception as e:
                 logging.error(
-                    f"CreatePlaylistWindow.py save() | Could not create playlist: {e}"
+                    f"ExportPlaylistWindow.py save() | could not retrieve playlist songs: {e}"
                 )
-            self.close()
+        # FIXME: make this write to a .m3u file, also
+        # need to consider relative paths + config for that
+        self.close()
 
     def cancel(self) -> None:
         self.close()

components/MusicTable.py

@@ -367,6 +367,7 @@ class MusicTable(QTableView):
         Loads data into self (QTableView)
         Default to loading all songs.
         If playlist_id is given, load songs in a particular playlist
+        playlist_id is emitted from PlaylistsPane as a tuple (1,)
         """
         try:
             # Loading the table also causes cell data to change, technically
@@ -385,18 +386,20 @@ class MusicTable(QTableView):
         self.model.clear()
         self.model.setHorizontalHeaderLabels(self.table_headers)
         if playlist_id:
-            playlist_id = playlist_id[0]
+            selected_playlist_id = playlist_id[0]
+            print(f"selected_playlist_id: {selected_playlist_id}")
             # Fetch playlist data
             try:
                 with DBA.DBAccess() as db:
                     data = db.query(
-                        "SELECT s.id, s.title, s.artist, s.album, s.track_number, s.genre, s.codec, s.album_date, s.filepath FROM song s JOIN song_playlist sp ON s.id = sp.id WHERE sp.id = ?",
-                        (playlist_id,),
+                        "SELECT s.id, s.title, s.artist, s.album, s.track_number, s.genre, s.codec, s.album_date, s.filepath FROM song s JOIN song_playlist sp ON s.id = sp.song_id WHERE sp.playlist_id = ?",
+                        (selected_playlist_id,),
                     )
             except Exception as e:
                 logging.warning(
                     f"MusicTable.py | load_music_table | Unhandled exception: {e}"
                 )
+                print(f"MusicTable.py | load_music_table | Unhandled exception: {e}")
                 return
         else:
             # Fetch library data

components/PlaylistsPane.py

@@ -38,7 +38,7 @@ class PlaylistsPane(QTreeWidget):
         if isinstance(item, PlaylistWidgetItem):
             print(f"ID: {item.id}, name: {item.text(0)}")
             self.playlist_db_id_choice = item.id
-            self.playlistChoiceSignal.emit(item.id)
+            self.playlistChoiceSignal.emit(int(item.id))
         elif item.text(0).lower() == "all songs":
             self.all_songs_selected()
 

sample_config.ini

@@ -6,6 +6,7 @@ database = db/library.db
 # Useful paths to have stored
 library = /path/to/music
 reorganize_destination = /where/to/reorganize/to
+playlist_export_path = /where/to/export/to
 
 [settings]
 # Which file types are scanned