refactor: streamline MainController initialization and signal connections

controllers/main_controller.py

@@ -1,161 +1,154 @@
-from PySide6.QtWidgets import QPushButton
 from pathlib import Path
+from PySide6.QtCore import Slot
+from PySide6.QtGui import QPixmap
+from PySide6.QtWidgets import QPushButton
+
 from core.database import DatabaseManager
 from core.media import MediaRepository
+from core.camera.camera_manager import CameraManager
 from ui.widgets.color_list_widget import ColorListWidget
 from ui.widgets.thumbnail_list_widget import ThumbnailListWidget
 from ui.widgets.split_view_widget import SplitView, CameraPlaceholder
-# from .camera_controller import CameraController
-from core.camera.camera_controller import CameraController
-from core.camera.camera_manager import CameraManager
 
 
-from core.camera.gphoto_camera import GPhotoCamera
-from core.camera.camera_controller import CameraController
-
 class MainController:
     def __init__(self, view):
-		self.db = DatabaseManager()
-		self.db.connect()
-		self.media_repo = MediaRepository(self.db)
-		self.media_repo.sync_media()
-
-		# camera = GPhotoCamera()
-		# self.manager = CameraController(camera)
-		manager = CameraManager()
-		# manager.detect_gphoto()
-		# manager.detect_opencv()
-		manager.detect_camera()
-
-		# self.camera_controller = CameraController()
-
         self.view = view
+        self.db = DatabaseManager()
+        self.media_repo = MediaRepository(self.db)
+        self.camera_manager = CameraManager()
+
+        # --- UI Widgets ---
         self.color_list: ColorListWidget = view.color_list_widget
         self.thumbnail_list: ThumbnailListWidget = view.thumbnail_widget
         self.split_view: SplitView = view.preview_widget
         self.welcome_view: CameraPlaceholder = self.split_view.widget_start
-
         self.photo_button: QPushButton = view.photo_button
-		self.photo_button.clicked.connect(self.take_photo)
-
         self.record_button: QPushButton = view.record_button
-		# self.record_button.clicked.connect(self.fun_test)
 
+        self._connect_signals()
+
+        self.db.connect()
+        self.media_repo.sync_media()
+        self.camera_manager.detect_cameras()
+
+    def _connect_signals(self):
+        """Connects all signals to slots."""
+        # Database and media signals
         self.color_list.colorSelected.connect(self.on_color_selected)
         self.color_list.editColor.connect(self.on_edit_color)
         self.thumbnail_list.selectedThumbnail.connect(self.on_thumbnail_selected)
 
-		# self.camera_controller.errorOccurred.connect(self.split_view.widget_start.set_info_text)
+        # Camera signals
-		# self.manager.error_occurred.connect(self.split_view.widget_start.set_info_text)
+        self.camera_manager.cameras_detected.connect(self.on_cameras_detected)
-		# self.camera_controller.frameReady.connect(self.split_view.set_live_image)
+        self.camera_manager.frame_ready.connect(self.on_frame_ready)
-		# self.manager.frame_ready.connect(self.split_view.set_live_image)
+        self.camera_manager.error_occurred.connect(self.on_camera_error)
-		# self.split_view.widget_start.camera_start_btn.clicked.connect(self.camera_controller.start)
+        self.camera_manager.camera_started.connect(self.on_camera_started)
-		self.split_view.widget_start.camera_start_btn.clicked.connect(self.start_liveview)
+        self.camera_manager.camera_stopped.connect(self.on_camera_stopped)
 
-		self.welcome_view.set_button_text("tada")
+        # UI control signals
-		self.welcome_view.set_error_text("errorsy")
+        self.photo_button.clicked.connect(self.take_photo)
-
+        # self.record_button.clicked.connect(self.toggle_record) # Placeholder
-
+        self.welcome_view.camera_start_btn.clicked.connect(self.start_liveview)
-	def start_camera(self):
+        # You will need a way to select a camera, e.g., a combobox.
-		pass
+        # self.view.camera_combobox.currentIndexChanged.connect(self.on_camera_selected_in_ui)
 
     def load_colors(self) -> None:
+        """Loads colors from the database and populates the list."""
         colors = self.db.get_all_colors()
-		print("Loaded colors:", colors)
         self.color_list.set_colors(colors)
 
+    def shutdown(self):
+        """Cleans up resources before application exit."""
+        self.camera_manager.shutdown()
+        self.db.disconnect()
 
+    # --- Slots for Database/Media ---
+
+    @Slot(str)
     def on_color_selected(self, color_name: str):
-		print(f"Wybrano kolor: {color_name}")
         color_id = self.db.get_color_id(color_name)
         if color_id is not None:
             media_items = self.db.get_media_for_color(color_id)
-			print(f"Media dla koloru {color_name} (ID: {color_id}):", media_items)
-
             self.thumbnail_list.list_widget.clear()
             for media in media_items:
                 if media['file_type'] == 'photo':
                     file_name = Path(media['media_path']).name
                     self.thumbnail_list.add_thumbnail(media['media_path'], file_name, media['id'])
-		else:
-			print(f"Nie znaleziono koloru o nazwie: {color_name}")
 
+    @Slot(str)
     def on_edit_color(self, color_name: str):
-		print(f"Edycja koloru: {color_name}")
+        print(f"Edycja koloru: {color_name}") # Placeholder
 
+    @Slot(int)
     def on_thumbnail_selected(self, media_id: int):
         media = self.db.get_media(media_id)
         if media:
-			print(f"Wybrano miniaturę o ID: {media_id}, ścieżka: {media['media_path']}")
             self.split_view.set_reference_image(media['media_path'])
-		else:
-			print(f"Nie znaleziono mediów o ID: {media_id}")
 
-	def take_photo(self):
+    # --- Slots for CameraManager ---
-		print("Robienie zdjęcia...")
+
-		self.split_view.toglle_live_view()
+    @Slot(list)
+    def on_cameras_detected(self, cameras: list[dict]):
+        """Handles the list of detected cameras."""
+        print("Detected cameras:", cameras)
+        self.welcome_view.set_info_text(f"Detected {len(cameras)} cameras.")
+        # Populate a combobox in the UI here
+        # self.view.camera_combobox.clear()
+        # for camera in cameras:
+        #     self.view.camera_combobox.addItem(camera['name'], userData=camera['id'])
+
+    @Slot(QPixmap)
+    def on_frame_ready(self, pixmap: QPixmap):
+        """Displays a new frame from the camera."""
+        self.split_view.set_live_image(pixmap)
+
+    @Slot(str)
+    def on_camera_error(self, error_message: str):
+        """Shows an error message from the camera."""
+        print(f"Camera Error: {error_message}")
+        self.welcome_view.set_error_text(error_message)
+
+    @Slot()
+    def on_camera_started(self):
+        """Updates UI when the camera stream starts."""
+        # self.split_view.show_live_view()
+        self.welcome_view.set_button_text("Stop Camera")
+        # Re-route button click to stop the camera
+        self.welcome_view.camera_start_btn.clicked.disconnect()
+        self.welcome_view.camera_start_btn.clicked.connect(self.stop_liveview)
+
+
+    @Slot()
+    def on_camera_stopped(self):
+        """Updates UI when the camera stream stops."""
+        # self.split_view.show_placeholder()
+        self.welcome_view.set_button_text("Start Camera")
+        # Re-route button click to start the camera
+        self.welcome_view.camera_start_btn.clicked.disconnect()
+        self.welcome_view.camera_start_btn.clicked.connect(self.start_liveview)
+
+    # --- UI Actions ---
 
     def start_liveview(self):
-		pass
+        """Starts the camera feed."""
-		# self.manager.start_camera()
+        detected_cameras = self.camera_manager.get_detected_cameras()
-		# self.manager.start_stream()
+        if not detected_cameras:
+            self.on_camera_error("No cameras detected.")
+            return
         
-	def shutdown(self):
+        # For now, just start the first detected camera.
-		pass
+        # In a real app, you'd get the selected camera ID from the UI.
-		# self.manager.stop()
+        camera_id = detected_cameras[0]['id']
+        self.camera_manager.start_camera(camera_id)
 
-
+    def stop_liveview(self):
-
+        """Stops the camera feed."""
-	#  @Slot(list)
-	def on_cameras_detected(self, cameras: list[dict]):
-		print("Wykryto kamery:", cameras)
-		# Tutaj zaktualizuj swój ComboBox w UI, np.:
-		# self.main_window.camera_combobox.clear()
-		# for camera in cameras:
-		#     self.main_window.camera_combobox.addItem(camera['name'], userData=camera['id'])
-
-	#  @Slot(QPixmap)
-	def on_frame_ready(self, pixmap: QPixmap):
-		# Tutaj zaktualizuj widget wyświetlający obraz, np. QLabel
-		# self.main_window.video_label.setPixmap(pixmap)
-		pass
- 
-	#  @Slot(str)
-	def on_camera_error(self, error_message: str):
-		print(f"Błąd kamery: {error_message}")
-		# Wyświetl błąd w UI, np. w status barze
-		# self.main_window.statusBar().showMessage(error_message, 5000)
- 
-	#  @Slot()
-	def on_camera_started(self):
-		# Zmień stan UI, np. tekst przycisku na "Stop"
-		# self.main_window.toggle_camera_button.setText("Stop")
-		pass
- 
-	#  @Slot()
-	def on_camera_stopped(self):
-		# Zmień stan UI, np. tekst przycisku na "Start"
-		# self.main_window.toggle_camera_button.setText("Start")
-		pass
- 
-	def toggle_camera(self):
-		# Logika do przełączania start/stop
-		if self.camera_manager.get_active_camera_info():
         self.camera_manager.stop_camera()
-		else:
-			# Pobierz ID kamery z ComboBoxa
-			# camera_id = self.main_window.camera_combobox.currentData()
-			# if camera_id:
-			#     self.camera_manager.start_camera(camera_id)
-			pass
 
-	def on_camera_selected(self, index: int):
+    def take_photo(self):
-		# Automatycznie uruchom kamerę po wybraniu z listy
+        """Takes a photo with the active camera."""
-		# camera_id = self.main_window.camera_combobox.itemData(index)
+        print("Taking photo...") # Placeholder
-		# if camera_id:
+        # This needs to be implemented in CameraManager and called here.
-		#     self.camera_manager.start_camera(camera_id)
+        # e.g., self.camera_manager.take_photo()
-		pass
+        self.split_view.toggle_live_view() # This seems like a UI toggle, maybe rename?
-
-	def cleanup(self):
-		# Wywołaj to przy zamykaniu aplikacji
-		self.camera_manager.shutdown()