function to check if all the songs are there - temporary

gui/installer.py

@@ -94,7 +94,7 @@ class OptionsWidget(QWidget):
         # Update widget
         self.update_widget = UpdateWidget()
         # Install widget
-        self.install_widget = InstallWidget()
+        self.install_widget = InstallWidget(self)
 
         layout = QVBoxLayout()
         layout.addWidget(self.name_gbox)
@@ -441,8 +441,10 @@ class UpdateWidget(QWidget):
 
 
 class InstallWidget(QWidget):
-    def __init__(self):
+    def __init__(self, parent: QWidget):
         super().__init__()
+
+        self.parent = parent
         self.grid = QGridLayout()
 
         hr_html_string = "<hr style=\"background-color:gray;\">"
@@ -466,6 +468,7 @@ class InstallWidget(QWidget):
         self.songs_download_label = QLabel("Download songs and process them")
         self.songs_download_dir = DirWidget("./build/music")
         self.songs_download_pushbutton = QPushButton("Download")
+        self.songs_download_pushbutton.clicked.connect(self.are_songs_ready)
         self.grid.addWidget(self.songs_download_checkbox, 20, 0)
         self.grid.addWidget(self.songs_download_label, 20, 1)
         self.grid.addWidget(self.songs_download_pushbutton, 20, 2)
@@ -521,6 +524,21 @@ class InstallWidget(QWidget):
         download_ffmpeg(self.ffmpeg_dir.directory)
         self.does_ffmpeg_exist()
 
+    def are_songs_ready(self):
+        tapes = self.parent.parent.validation_widget.tapes
+
+        files = Path(self.songs_download_dir.directory).glob("*.ogg")
+        files = [f.stem for f in files]
+
+        for tape in tapes:
+            tape_name = tape["identifier"]
+            if not tape_name in files:
+                return False
+            if not f"{tape_name}-walkman" in files and self.parent.options["walkmans"]:
+                return False
+
+        return True
+
 class DebugDialog(QDialog):
     def __init__(self, text):
         super().__init__()