Add headers_only query string parsing to Item resource

src/webqueue2api/api/resources/item.py

@@ -1,3 +1,4 @@
+from flask import request
 from flask_restful import Resource
 from flask_jwt_extended import jwt_required
 # To avoid naming conflicts
@@ -11,6 +12,7 @@ def get(self, queue: str, number: int) -> tuple:
 
         Return Codes:
                 200 (OK): On success.
+                404 (Not Found): When an Item does not exist.
 
         Example:
             /api/ce/100 returns:
@@ -38,7 +40,9 @@ def get(self, queue: str, number: int) -> tuple:
         Returns:
             tuple: Item as JSON and HTTP response code.
         """
+        headers_only = True if request.args.get("headers_only") == "True" else False
+
         try:
-            return (_Item(queue, number).to_json(), 200)
+            return (_Item(queue, number, headers_only=headers_only).to_json(), 200)
         except ItemDoesNotExistError:
             return ({"message": f"Item {queue}{number} not found."}, 404)