Implement sync_from_state method for Area, Brand, Item, RoomFunction, and Room models; streamline entity management in settings

models/items.py

@@ -28,4 +28,34 @@ class Item(db.Model):
             'id': self.id,
             'name': self.description,
             'category': self.category
-        }
+        }
+    
+    @classmethod
+    def sync_from_state(cls, submitted_items: list[dict]):
+        """
+        Syncs the Items table with the provided list of dictionaries.
+        Adds new items and removes items that are not in the list.
+        """
+        submitted = {
+            str(item.get("name", "")).strip()
+            for item in submitted_items
+            if isinstance(item, dict) and str(item.get("name", "")).strip()
+        }
+    
+        existing_query = db.session.query(cls)
+        existing = {item.description: item for item in existing_query.all()}
+    
+        existing_descriptions = set(existing.keys())
+    
+        print(f"Existing items: {existing_descriptions}")
+        print(f"Submitted items: {submitted}")
+        print(f"items to add: {submitted - existing_descriptions}")
+        print(f"items to remove: {existing_descriptions - submitted}")
+    
+        for description in submitted - existing_descriptions:
+            db.session.add(cls(description=description))
+            print(f"➕ Adding item: {description}")
+    
+        for description in existing_descriptions - submitted:
+            db.session.delete(existing[description])
+            print(f"🗑️ Removing item: {description}")