feat: ✨ implemented deleting tracks, drivers, vehicles with proper data correction

modules/driverHandler.py

@@ -1,7 +1,7 @@
 from sqlalchemy.orm import Session
 
 from errors.NotFoundException import NotFoundError
-from modules.geoObjects import Driver
+from modules.geoObjects import Driver, Track
 
 
 class DriverHandler:
@@ -19,30 +19,32 @@ class DriverHandler:
                 raise ValueError("name is empty")
 
             driver = Driver(name=name)
-            
+
             self.dbSession.add(driver)
             self.dbSession.commit()
-            
+
             return driver
         except Exception as e:
             raise RuntimeError(f"failed to create driver with errors{e}")
-        
+
     # handles getting a driver by its id from the database
     def getDriver(self, driverID: int) -> Driver:
         try:
-            driver = self.dbSession.query(Driver).filter_by(id=driverID).first()
+            driver = self.dbSession.query(
+                Driver).filter_by(id=driverID).first()
             if driver:
                 return driver
             else:
-                raise NotFoundError(f"Driver with ID {driverID} not found", errors=[])
+                raise NotFoundError(
+                    f"Driver with ID {driverID} not found", errors=[])
         except Exception as e:
             raise RuntimeError(f"failed to get driver with errors{e}")
-        
+
     # handles getting all drivers from the database
     def getDrivers(self):
         try:
             drivers = self.dbSession.query(Driver).all()
-    
+
             driverList = [
                 {
                     "id": driver.id,
@@ -53,6 +55,19 @@ class DriverHandler:
             ]
 
             return driverList
-        
+
         except Exception as e:
-            raise RuntimeError(f"failed to get drivers with errors{e}")
+            raise RuntimeError(f"failed to get drivers with errors{e}")
+
+    def deleteDriver(self, id):
+        try:
+            updated_rows = (
+                self.dbSession.query(Track).filter(
+                    Track.driver_id == id).update({Track.driver_id: 1})
+            )
+            self.dbSession.query(Driver).filter(Driver.id == id).delete()
+            self.dbSession.commit()
+
+        except Exception as e:
+            raise RuntimeError(f"failed to delete driver due to error: {e}")
+