backend/app/routes.py

@@ -233,3 +233,12 @@ def create_assignment():
     db.session.add(a)
     db.session.commit()
     return jsonify(a.to_dict())
+
+@bp.route("/assignment/<int:id>", methods=["GET"])
+@login_required
+def get_assignment(id):
+    a = Assignment.query.get(id)
+    if not a:
+        return error_response(400, f"Assignment with id {id} does not exist")
+
+    return jsonify(a.to_dict())