04/28 Updated sprint 4 & 5

routes/dashboard.py

@@ -6,7 +6,7 @@ Dashboard and related API routes.
 Routes: /dashboard, /project/<id>/qr-codes, /dashboard/search,
         /api/dashboard/stats, /api/dashboard/realtime
 """
-from flask import Blueprint, render_template, request, redirect, flash, session, jsonify, url_for
+from flask import abort, Blueprint, render_template, request, redirect, flash, session, jsonify, url_for
 from datetime import datetime, timedelta, date, time
 
 from extensions import db, logger_handler
@@ -84,7 +84,9 @@ def project_qr_codes(project_id):
     """
     try:
         # Get the project
-        project = Project.query.get_or_404(project_id)
+        project = db.session.get(Project, project_id)
+        if project is None:
+            abort(404)
         
         # Get search parameters from URL
         search_name = request.args.get('search_name', '').strip()