feat: add endpoint get all visa photo metadata

app/util/db_utils.py

@@ -69,6 +69,29 @@ class DBManager:
         return None
     
     # --- NEW METHOD ADDED ---
+    def get_visa_photo_metadata_per_service(self) -> Dict[int, Dict[str, Any]]:
+        """
+        Retrieves visa photo specifications for each service.
+        Returns a dictionary mapping service_id to its photo specifications.
+        """
+        query = """
+            select s."name", metadata from service_document sd
+            join service s on s.id = sd.service_id
+            join document d on d.id = sd.document_id 
+            where d.metadata  is not null and s.is_active = true and s.has_limited_discoverability = False;
+        """
+        df = self._execute_query(query)
+        result = {}
+        for _, row in df.iterrows():
+            service_name = row['name']
+            metadata = row['metadata']
+            try:
+                metadata_dict = json.loads(metadata)
+                result[service_name] = metadata_dict
+            except json.JSONDecodeError:
+                logging.warning(f"Invalid JSON metadata for service {service_name}")
+        return result
+        
     def get_destination_country(self, application_id: int) -> str | None:
         """
         Gets the official destination country name for the application.

server.py

@@ -314,6 +314,20 @@ def create_app() -> Flask:
         except Exception as e:
             print(f"Passport Error: {e}")
             return jsonify({"error": str(e)}), 500
+    
+    @app.route('/photo-metadata', methods=['GET'])
+    def photo_metadata():
+        """
+        Endpoint to get visa photo metadata per service.
+        """
+        try:
+            from app.util.db_utils import DBUtils
+            db_utils = DBUtils()
+            metadata = db_utils.get_visa_photo_metadata_per_service()
+            return jsonify(metadata), 200
+        except Exception as e:
+            logging.error(f"Error in /photo-metadata: {e}", exc_info=True)
+            return jsonify({"error": str(e)}), 
     @app.route('/', methods=['GET'])
     def hello_world():
         return "Flask server is running.", 200