WIP: Carts

app/config.py

@@ -10,12 +10,14 @@ class Config(object):
     BITRATE_OK_THRESHOLD = 300
     CHECK_AUDACITY_AT_STARTUP = True
     CART_DIRECTORY = "/home/kae/radio/CartTracks"
+    CARTS_COUNT = 10
     COLOUR_BITRATE_LOW = "#ffcdd2"
     COLOUR_BITRATE_MEDIUM = "#ffeb6f"
     COLOUR_BITRATE_OK = "#dcedc8"
     COLOUR_CART_ERROR = "#dc3545"
     COLOUR_CART_PLAYING = "#248f24"
     COLOUR_CART_READY = "#ffc107"
+    COLOUR_CART_UNCONFIGURED = "#f2f2f2"
     COLOUR_CURRENT_HEADER = "#d4edda"
     COLOUR_CURRENT_PLAYLIST = "#7eca8f"
     COLOUR_CURRENT_TAB = "#248f24"

app/models.py

@@ -63,12 +63,12 @@ class Carts(Base):
 
     def __repr__(self) -> str:
         return (
-            f"<Carts(id={self.id}, cart={self.cart}, "
+            f"<Carts(id={self.id}, cart={self.cart_number}, "
             f"name={self.name}, path={self.path}>"
         )
 
     def __init__(self, session: Session, cart_number: int, name: str = None,
-                 duration: int = None, path: str = None,
+                  duration: int = None, path: str = None,
                  enabled: bool = True) -> None:
         """Create new cart"""
 
@@ -82,18 +82,18 @@ class Carts(Base):
         session.commit()
 
     @classmethod
-    def enabled_carts(cls, session: Session) -> List["Carts"]:
-        """Return a list of all active carts"""
+    def all_as_dict(cls, session: Session) -> dict:
+        """Return a dictionary of all carts keyed by cart number"""
 
-        return (
+        result = (
             session.execute(
                 select(Carts)
-                .where(Carts.enabled.is_(True))
                 .order_by(Carts.cart_number)
             )
             .scalars()
             .all()
         )
+        return {a.id: a for a in result}
 
     @classmethod
     def get_or_create(cls, session: Session, cart_number: int) -> "Carts":

app/musicmuster.py

@@ -110,7 +110,7 @@ class Window(QMainWindow, Ui_MainWindow):
         pass
 
     def cart_button(self, cart: Carts) -> QPushButton:
-        """Create a cart pushbutton"""
+        """Create a cart pushbutton and set it disabled"""
 
         btn = QPushButton(self)
         btn.setEnabled(True)
@@ -121,6 +121,7 @@ class Window(QMainWindow, Ui_MainWindow):
         btn.setObjectName("cart_" + str(cart.cart_number))
         btn.setText(cart.name)
         btn.clicked.connect(self.cart_click)
+        btn.setEnabled(False)
         # Insert button on left of cart space after existing buttons
         self.horizontalLayout_Carts.insertWidget(len(self.carts), btn)
 
@@ -169,7 +170,15 @@ class Window(QMainWindow, Ui_MainWindow):
         """Initialse carts data structures"""
 
         with Session() as session:
-            for cart in Carts.enabled_carts(session):
+            carts_in_db = Carts.all_as_dict(session)
+            # Number carts from 1 for humanity
+            for cart_number in range(1, Config.CARTS_COUNT + 1):
+                if cart_number in carts_in_db:
+                    cart = carts_in_db[cart_number]
+                else:
+                    cart = Carts(session, cart_number,
+                                 name=f"Cart #{cart_number}")
+
                 btn = self.cart_button(cart)
 
                 self.carts[btn] = {}
@@ -180,10 +189,15 @@ class Window(QMainWindow, Ui_MainWindow):
                 player = self.music.VLC.media_player_new(cart.path)
                 player.audio_set_volume(Config.VOLUME_VLC_DEFAULT)
                 self.carts[btn]['player'] = player
-                if helpers.file_is_readable(cart.path):
-                    colour = Config.COLOUR_CART_READY
+                if cart.path:
+                    if helpers.file_is_readable(cart.path):
+                        colour = Config.COLOUR_CART_READY
+                        btn.setEnabled(True)
+                    else:
+                        colour = Config.COLOUR_CART_ERROR
                 else:
-                    colour = Config.COLOUR_CART_ERROR
+                    colour = Config.COLOUR_CART_UNCONFIGURED
+
                 btn.setStyleSheet("background-color: " + colour + ";\n")
 
     def cart_tick(self) -> None:

app/ui/main_window.ui

@@ -865,7 +865,6 @@ padding-left: 8px;</string>
     <property name="title">
      <string>&amp;Carts</string>
     </property>
-    <addaction name="actionAdd_cart"/>
    </widget>
    <addaction name="menuFile"/>
    <addaction name="menuPlaylist"/>
@@ -1158,7 +1157,7 @@ padding-left: 8px;</string>
   </action>
   <action name="actionAdd_cart">
    <property name="text">
-    <string>Add &amp;cart...</string>
+    <string>Edit cart &amp;1...</string>
    </property>
   </action>
  </widget>

app/ui/main_window_ui.py

@@ -530,7 +530,6 @@ class Ui_MainWindow(object):
         self.menuSearc_h.addAction(self.actionSelect_previous_track)
         self.menuHelp.addAction(self.action_About)
         self.menuHelp.addAction(self.actionDebug)
-        self.menu_Carts.addAction(self.actionAdd_cart)
         self.menubar.addAction(self.menuFile.menuAction())
         self.menubar.addAction(self.menuPlaylist.menuAction())
         self.menubar.addAction(self.menuSearc_h.menuAction())
@@ -629,6 +628,6 @@ class Ui_MainWindow(object):
         self.actionSave_as_template.setText(_translate("MainWindow", "Save as template..."))
         self.actionNew_from_template.setText(_translate("MainWindow", "New from template..."))
         self.actionDebug.setText(_translate("MainWindow", "Debug"))
-        self.actionAdd_cart.setText(_translate("MainWindow", "Add &cart..."))
+        self.actionAdd_cart.setText(_translate("MainWindow", "Edit cart &1..."))
 from infotabs import InfoTabs
 import icons_rc