Refactor models to implement ValidatableMixin; add validation logic for state management in Area, Brand, Item, Room, and RoomFunction classes

routes.py

@@ -4,7 +4,7 @@ from .models import Brand, Item, Inventory, RoomFunction, User, WorkLog, Room, A
 from sqlalchemy import or_, delete
 from sqlalchemy.orm import aliased
 from . import db
-from .utils import eager_load_user_relationships, eager_load_inventory_relationships, eager_load_room_relationships, eager_load_worklog_relationships, chunk_list, add_named_entities
+from .utils.load import eager_load_user_relationships, eager_load_inventory_relationships, eager_load_room_relationships, eager_load_worklog_relationships, chunk_list, add_named_entities
 import pandas as pd
 import traceback
 import json
@@ -522,3 +522,50 @@ def settings():
         endpoint='settings'
     )
 
+@main.route('/api/settings', methods=['POST'])
+def api_settings():
+    try:
+        payload = request.get_json()
+        if not payload:
+            return {'error': 'No JSON payload'}, 400
+        
+        for label, entries in [
+            ('brands', payload.get('brands', [])),
+            ('types', payload.get('types', [])),
+            ('sections', payload.get('sections', [])),
+            ('functions', payload.get('functions', [])),
+            ('rooms', payload.get('rooms', [])),
+        ]:
+            if not isinstance(entries, list):
+                return {'error': f"{label} must be a list"}, 400
+            for entry in entries:
+                if not isinstance(entry, dict):
+                    return {'error': f'Each {label} entry must be a dict'}, 400
+                
+        errors = []
+        errors += Brand.validate_state(payload.get("brands", []))
+        errors += Item.validate_state(payload.get("types", []))
+        errors += Area.validate_state(payload.get("sections", []))
+        errors += RoomFunction.validate_state(payload.get("functions", []))
+        errors += Room.validate_state(payload.get("rooms", []))
+
+        if errors:
+            return {'status': 'error', 'errors': errors}, 400
+        
+        with db.session.begin():
+            brand_map = Brand.sync_from_state(payload.get('brands', []))
+            type_map = Item.sync_from_state(payload.get('types', []))
+            section_map = Area.sync_from_state(payload.get('sections', []))
+            function_map = RoomFunction.sync_from_state(payload.get('functions', []))
+
+            Room.sync_from_state(
+                submitted_rooms=payload.get('rooms', []),
+                section_map=section_map,
+                function_map=function_map
+            )
+
+        return {'status': 'ok'}, 200
+    
+    except Exception as e:
+        traceback.print_exc()
+        return {'status': 'error', 'message': str(e)}, 500