initial

composer.py

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+from src.windows import LoginWindow, AdminWindow, ClientWindow
+from src.objects import User, Rights
+from src.db import DB_AUTH_HARDCODED as config
+
+from PyQt6.QtWidgets import QApplication
+from PyQt6.QtCore import QObject, pyqtSlot, pyqtSignal
+from PyQt6.QtSql import QSqlDatabase
+
+class Composer(QObject):
+    render_request = pyqtSignal(User)
+
+    def __init__(self):
+        super().__init__()
+        self._current = None
+        self._app = QApplication([])
+        self._init_db()
+        self.render_request.connect(self._render)
+
+    def _init_db(self):
+        self._db = QSqlDatabase("QPSQL")
+        self._db.setDatabaseName(config['dbname'])
+        self._db.setPort(config['port'])
+        self._db.setHostName(config['host'])
+        self._db.setUserName(config['user'])
+        self._db.setPassword(config['password'])
+        self._db.open()
+
+    @pyqtSlot(User)
+    def _render(self, user: User):
+        match user.rights:
+            case Rights.ADMIN:
+                self._admin_fabric()
+            case Rights.MANAGER:
+                pass
+            case Rights.CLIENT:
+                self._client_fabric(user)
+
+    def _login_fabric(self):
+        self.wlogin = LoginWindow(self, self._db)
+
+        if self._current:
+            self._current.close()
+
+        self.wlogin.show()
+
+        self._current = self.wlogin
+
+    def _admin_fabric(self):
+        self.wadmin = AdminWindow(self, self._db)
+
+        if self._current:
+            self._current.close()
+
+        self.wadmin.show()
+
+        self._current = self.wadmin
+
+    def _client_fabric(self, user: User):
+        self.wclient = ClientWindow(self, self._db, user)
+
+        if self._current:
+            self._current.close()
+
+        self.wclient.show()
+
+        self._current = self.wclient
+
+    def run(self):
+        import sys
+        self._login_fabric()
+        self._current.show()
+        sys.exit(self._app.exec())