prompt: We are currently solving the following issue within our repository. Here is the issue text:
  --- BEGIN ISSUE ---
  Not allowing attendee POST request
  **I'm submitting a ...**
  - [x] bug report
  
  **Current behavior:**
  Created a new event with new user account. Created a free ticket for the event. for create attendee request the response is:
  ```
  "errors": [
          {
              "status": 403,
              "source": {
                  "source": "event_id"
              },
              "detail": "Access Forbidden",
              "title": "Access Forbidden"
          }
      ],
      "jsonapi": {
          "version": "1.0"
      }
  }
  ```
  
  --- END ISSUE ---
  
  Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
  --- BEGIN FILES ---
  Path: `app/api/attendees.py`
  Content:
  ```
  1 from flask_jwt import current_identity
  2 from flask_rest_jsonapi import ResourceDetail, ResourceList, ResourceRelationship
  3 
  4 from app.api.bootstrap import api
  5 from app.api.helpers.db import safe_query
  6 from app.api.helpers.exceptions import ForbiddenException, UnprocessableEntity
  7 from app.api.helpers.permission_manager import has_access
  8 from app.api.helpers.permissions import jwt_required
  9 from app.api.helpers.query import event_query
  10 from app.api.helpers.utilities import require_relationship
  11 from app.api.schema.attendees import AttendeeSchema, AttendeeSchemaPublic
  12 from app.models import db
  13 from app.models.order import Order
  14 from app.models.ticket import Ticket
  15 from app.models.ticket_holder import TicketHolder
  16 from app.models.user import User
  17 
  18 
  19 class AttendeeListPost(ResourceList):
  20     """
  21        List and create Attendees through direct URL
  22     """
  23 
  24     def before_post(self, args, kwargs, data):
  25         """
  26         Before post method to check for required relationship and proper permissions
  27         :param args:
  28         :param kwargs:
  29         :param data:
  30         :return:
  31         """
  32         require_relationship(['ticket', 'event'], data)
  33         if not has_access('is_coorganizer', event_id=data['event']):
  34             raise ForbiddenException({'source': 'event_id'}, "Access Forbidden")
  35 
  36     methods = ['POST']
  37     schema = AttendeeSchema
  38     data_layer = {'session': db.session,
  39                   'model': TicketHolder}
  40 
  41 
  42 class AttendeeList(ResourceList):
  43     """
  44     List Attendees
  45     """
  46     def query(self, view_kwargs):
  47         """
  48         query method for Attendees List
  49         :param view_kwargs:
  50         :return:
  51         """
  52         query_ = self.session.query(TicketHolder)
  53 
  54         if view_kwargs.get('order_identifier'):
  55             order = safe_query(self, Order, 'identifier', view_kwargs['order_identifier'], 'order_identifier')
  56             if not has_access('is_registrar', event_id=order.event_id) or not has_access('is_user_itself',
  57                                                                                          id=order.user_id):
  58                 raise ForbiddenException({'source': ''}, 'Access Forbidden')
  59             query_ = query_.join(Order).filter(Order.id == order.id)
  60 
  61         if view_kwargs.get('ticket_id'):
  62             ticket = safe_query(self, Ticket, 'id', view_kwargs['ticket_id'], 'ticket_id')
  63             if not has_access('is_registrar', event_id=ticket.event_id):
  64                 raise ForbiddenException({'source': ''}, 'Access Forbidden')
  65             query_ = query_.join(Ticket).filter(Ticket.id == ticket.id)
  66 
  67         if view_kwargs.get('user_id'):
  68             user = safe_query(self, User, 'id', view_kwargs['user_id'], 'user_id')
  69             if not has_access('is_user_itself', id=user.id):
  70                 raise ForbiddenException({'source': ''}, 'Access Forbidden')
  71             query_ = query_.join(User, User.email == TicketHolder.email).filter(User.id == user.id)
  72 
  73         query_ = event_query(self, query_, view_kwargs, permission='is_registrar')
  74         return query_
  75 
  76     view_kwargs = True
  77     methods = ['GET', ]
  78     schema = AttendeeSchema
  79     data_layer = {'session': db.session,
  80                   'model': TicketHolder,
  81                   'methods': {
  82                       'query': query
  83                   }}
  84 
  85 
  86 class AttendeeDetail(ResourceDetail):
  87     """
  88     Attendee detail by id
  89     """
  90     def before_get_object(self, view_kwargs):
  91         """
  92         before get object method for attendee detail
  93         :param view_kwargs:
  94         :return:
  95         """
  96         attendee = safe_query(self, TicketHolder, 'id', view_kwargs['id'], 'attendee_id')
  97         if not has_access('is_registrar_or_user_itself', user_id=current_identity.id, event_id=attendee.event_id):
  98             raise ForbiddenException({'source': 'User'}, 'You are not authorized to access this.')
  99 
  100     def before_delete_object(self, obj, kwargs):
  101         """
  102         before delete object method for attendee detail
  103         :param obj:
  104         :param kwargs:
  105         :return:
  106         """
  107         if not has_access('is_registrar', event_id=obj.event_id):
  108             raise ForbiddenException({'source': 'User'}, 'You are not authorized to access this.')
  109 
  110     def before_update_object(self, obj, data, kwargs):
  111         """
  112         before update object method for attendee detail
  113         :param obj:
  114         :param data:
  115         :param kwargs:
  116         :return:
  117         """
  118         if not has_access('is_registrar', event_id=obj.event_id):
  119             raise ForbiddenException({'source': 'User'}, 'You are not authorized to access this.')
  120 
  121         if 'is_checked_in' in data:
  122             if data['is_checked_in'] and 'checkin_times' not in data:
  123                 raise UnprocessableEntity({'pointer': '/data/attributes/checkin_times'},
  124                                           "Check in time missing while trying to check in attendee")
  125 
  126             if obj.checkin_times and data['checkin_times'] not in obj.checkin_times.split(","):
  127                 data['checkin_times'] = '{},{}'.format(obj.checkin_times, data['checkin_times'])
  128 
  129     decorators = (jwt_required,)
  130     schema = AttendeeSchema
  131     data_layer = {'session': db.session,
  132                   'model': TicketHolder,
  133                   'methods': {
  134                       'before_get_object': before_get_object,
  135                       'before_update_object': before_update_object,
  136                       'before_delete_object': before_delete_object
  137                   }}
  138 
  139 
  140 class AttendeeRelationshipRequired(ResourceRelationship):
  141     """
  142     Attendee Relationship (Required)
  143     """
  144     decorators = (jwt_required,)
  145     methods = ['GET', 'PATCH']
  146     schema = AttendeeSchema
  147     data_layer = {'session': db.session,
  148                   'model': TicketHolder}
  149 
  150 
  151 class AttendeeRelationshipOptional(ResourceRelationship):
  152     """
  153     Attendee Relationship(Optional)
  154     """
  155     decorators = (api.has_permission('is_user_itself', fetch="user_id", fetch_as="id", model=TicketHolder),)
  156     schema = AttendeeSchema
  157     data_layer = {'session': db.session,
  158                   'model': TicketHolder}
  159
  ```
  --- END FILES ---
  
  Please first localize the bug based on the issue statement, and then generate a patch according to the `git diff` format fenced by three backticks.
  
  Here is an example:
  
  ```diff
  diff --git a/examples/server_async.py b/examples/server_async.py
  --- a/examples/server_async.py
  +++ b/examples/server_async.py
  @@ -313,4 +313,4 @@
   
   
   if __name__ == "__main__":
  -    asyncio.run(run_async_server("."), debug=True)
  +    asyncio.run(run_async_server(), debug=True)
  diff --git a/examples/server_sync.py b/examples/server_sync.py
  --- a/examples/server_sync.py
  +++ b/examples/server_sync.py
  @@ -313,5 +313,5 @@
   
   
   if __name__ == "__main__":
  -    server = run_sync_server(".")
  +    server = run_sync_server()
       server.shutdown()
  
  ```
  
golden_diff: diff --git a/app/api/attendees.py b/app/api/attendees.py
  --- a/app/api/attendees.py
  +++ b/app/api/attendees.py
  @@ -30,9 +30,8 @@
           :return:
           """
           require_relationship(['ticket', 'event'], data)
  -        if not has_access('is_coorganizer', event_id=data['event']):
  -            raise ForbiddenException({'source': 'event_id'}, "Access Forbidden")
   
  +    decorators = (jwt_required,)
       methods = ['POST']
       schema = AttendeeSchema
       data_layer = {'session': db.session,
  
verification_info: {"golden_diff": "diff --git a/app/api/attendees.py b/app/api/attendees.py\n--- a/app/api/attendees.py\n+++ b/app/api/attendees.py\n@@ -30,9 +30,8 @@\n         :return:\n         \"\"\"\n         require_relationship(['ticket', 'event'], data)\n-        if not has_access('is_coorganizer', event_id=data['event']):\n-            raise ForbiddenException({'source': 'event_id'}, \"Access Forbidden\")\n \n+    decorators = (jwt_required,)\n     methods = ['POST']\n     schema = AttendeeSchema\n     data_layer = {'session': db.session,\n", "issue": "Not allowing attendee POST request\n**I'm submitting a ...**\r\n- [x] bug report\r\n\r\n**Current behavior:**\r\nCreated a new event with new user account. Created a free ticket for the event. for create attendee request the response is:\r\n```\r\n\"errors\": [\r\n        {\r\n            \"status\": 403,\r\n            \"source\": {\r\n                \"source\": \"event_id\"\r\n            },\r\n            \"detail\": \"Access Forbidden\",\r\n            \"title\": \"Access Forbidden\"\r\n        }\r\n    ],\r\n    \"jsonapi\": {\r\n        \"version\": \"1.0\"\r\n    }\r\n}\r\n```\n", "before_files": [{"content": "from flask_jwt import current_identity\nfrom flask_rest_jsonapi import ResourceDetail, ResourceList, ResourceRelationship\n\nfrom app.api.bootstrap import api\nfrom app.api.helpers.db import safe_query\nfrom app.api.helpers.exceptions import ForbiddenException, UnprocessableEntity\nfrom app.api.helpers.permission_manager import has_access\nfrom app.api.helpers.permissions import jwt_required\nfrom app.api.helpers.query import event_query\nfrom app.api.helpers.utilities import require_relationship\nfrom app.api.schema.attendees import AttendeeSchema, AttendeeSchemaPublic\nfrom app.models import db\nfrom app.models.order import Order\nfrom app.models.ticket import Ticket\nfrom app.models.ticket_holder import TicketHolder\nfrom app.models.user import User\n\n\nclass AttendeeListPost(ResourceList):\n    \"\"\"\n       List and create Attendees through direct URL\n    \"\"\"\n\n    def before_post(self, args, kwargs, data):\n        \"\"\"\n        Before post method to check for required relationship and proper permissions\n        :param args:\n        :param kwargs:\n        :param data:\n        :return:\n        \"\"\"\n        require_relationship(['ticket', 'event'], data)\n        if not has_access('is_coorganizer', event_id=data['event']):\n            raise ForbiddenException({'source': 'event_id'}, \"Access Forbidden\")\n\n    methods = ['POST']\n    schema = AttendeeSchema\n    data_layer = {'session': db.session,\n                  'model': TicketHolder}\n\n\nclass AttendeeList(ResourceList):\n    \"\"\"\n    List Attendees\n    \"\"\"\n    def query(self, view_kwargs):\n        \"\"\"\n        query method for Attendees List\n        :param view_kwargs:\n        :return:\n        \"\"\"\n        query_ = self.session.query(TicketHolder)\n\n        if view_kwargs.get('order_identifier'):\n            order = safe_query(self, Order, 'identifier', view_kwargs['order_identifier'], 'order_identifier')\n            if not has_access('is_registrar', event_id=order.event_id) or not has_access('is_user_itself',\n                                                                                         id=order.user_id):\n                raise ForbiddenException({'source': ''}, 'Access Forbidden')\n            query_ = query_.join(Order).filter(Order.id == order.id)\n\n        if view_kwargs.get('ticket_id'):\n            ticket = safe_query(self, Ticket, 'id', view_kwargs['ticket_id'], 'ticket_id')\n            if not has_access('is_registrar', event_id=ticket.event_id):\n                raise ForbiddenException({'source': ''}, 'Access Forbidden')\n            query_ = query_.join(Ticket).filter(Ticket.id == ticket.id)\n\n        if view_kwargs.get('user_id'):\n            user = safe_query(self, User, 'id', view_kwargs['user_id'], 'user_id')\n            if not has_access('is_user_itself', id=user.id):\n                raise ForbiddenException({'source': ''}, 'Access Forbidden')\n            query_ = query_.join(User, User.email == TicketHolder.email).filter(User.id == user.id)\n\n        query_ = event_query(self, query_, view_kwargs, permission='is_registrar')\n        return query_\n\n    view_kwargs = True\n    methods = ['GET', ]\n    schema = AttendeeSchema\n    data_layer = {'session': db.session,\n                  'model': TicketHolder,\n                  'methods': {\n                      'query': query\n                  }}\n\n\nclass AttendeeDetail(ResourceDetail):\n    \"\"\"\n    Attendee detail by id\n    \"\"\"\n    def before_get_object(self, view_kwargs):\n        \"\"\"\n        before get object method for attendee detail\n        :param view_kwargs:\n        :return:\n        \"\"\"\n        attendee = safe_query(self, TicketHolder, 'id', view_kwargs['id'], 'attendee_id')\n        if not has_access('is_registrar_or_user_itself', user_id=current_identity.id, event_id=attendee.event_id):\n            raise ForbiddenException({'source': 'User'}, 'You are not authorized to access this.')\n\n    def before_delete_object(self, obj, kwargs):\n        \"\"\"\n        before delete object method for attendee detail\n        :param obj:\n        :param kwargs:\n        :return:\n        \"\"\"\n        if not has_access('is_registrar', event_id=obj.event_id):\n            raise ForbiddenException({'source': 'User'}, 'You are not authorized to access this.')\n\n    def before_update_object(self, obj, data, kwargs):\n        \"\"\"\n        before update object method for attendee detail\n        :param obj:\n        :param data:\n        :param kwargs:\n        :return:\n        \"\"\"\n        if not has_access('is_registrar', event_id=obj.event_id):\n            raise ForbiddenException({'source': 'User'}, 'You are not authorized to access this.')\n\n        if 'is_checked_in' in data:\n            if data['is_checked_in'] and 'checkin_times' not in data:\n                raise UnprocessableEntity({'pointer': '/data/attributes/checkin_times'},\n                                          \"Check in time missing while trying to check in attendee\")\n\n            if obj.checkin_times and data['checkin_times'] not in obj.checkin_times.split(\",\"):\n                data['checkin_times'] = '{},{}'.format(obj.checkin_times, data['checkin_times'])\n\n    decorators = (jwt_required,)\n    schema = AttendeeSchema\n    data_layer = {'session': db.session,\n                  'model': TicketHolder,\n                  'methods': {\n                      'before_get_object': before_get_object,\n                      'before_update_object': before_update_object,\n                      'before_delete_object': before_delete_object\n                  }}\n\n\nclass AttendeeRelationshipRequired(ResourceRelationship):\n    \"\"\"\n    Attendee Relationship (Required)\n    \"\"\"\n    decorators = (jwt_required,)\n    methods = ['GET', 'PATCH']\n    schema = AttendeeSchema\n    data_layer = {'session': db.session,\n                  'model': TicketHolder}\n\n\nclass AttendeeRelationshipOptional(ResourceRelationship):\n    \"\"\"\n    Attendee Relationship(Optional)\n    \"\"\"\n    decorators = (api.has_permission('is_user_itself', fetch=\"user_id\", fetch_as=\"id\", model=TicketHolder),)\n    schema = AttendeeSchema\n    data_layer = {'session': db.session,\n                  'model': TicketHolder}\n", "path": "app/api/attendees.py"}], "after_files": [{"content": "from flask_jwt import current_identity\nfrom flask_rest_jsonapi import ResourceDetail, ResourceList, ResourceRelationship\n\nfrom app.api.bootstrap import api\nfrom app.api.helpers.db import safe_query\nfrom app.api.helpers.exceptions import ForbiddenException, UnprocessableEntity\nfrom app.api.helpers.permission_manager import has_access\nfrom app.api.helpers.permissions import jwt_required\nfrom app.api.helpers.query import event_query\nfrom app.api.helpers.utilities import require_relationship\nfrom app.api.schema.attendees import AttendeeSchema, AttendeeSchemaPublic\nfrom app.models import db\nfrom app.models.order import Order\nfrom app.models.ticket import Ticket\nfrom app.models.ticket_holder import TicketHolder\nfrom app.models.user import User\n\n\nclass AttendeeListPost(ResourceList):\n    \"\"\"\n       List and create Attendees through direct URL\n    \"\"\"\n\n    def before_post(self, args, kwargs, data):\n        \"\"\"\n        Before post method to check for required relationship and proper permissions\n        :param args:\n        :param kwargs:\n        :param data:\n        :return:\n        \"\"\"\n        require_relationship(['ticket', 'event'], data)\n\n    decorators = (jwt_required,)\n    methods = ['POST']\n    schema = AttendeeSchema\n    data_layer = {'session': db.session,\n                  'model': TicketHolder}\n\n\nclass AttendeeList(ResourceList):\n    \"\"\"\n    List Attendees\n    \"\"\"\n    def query(self, view_kwargs):\n        \"\"\"\n        query method for Attendees List\n        :param view_kwargs:\n        :return:\n        \"\"\"\n        query_ = self.session.query(TicketHolder)\n\n        if view_kwargs.get('order_identifier'):\n            order = safe_query(self, Order, 'identifier', view_kwargs['order_identifier'], 'order_identifier')\n            if not has_access('is_registrar', event_id=order.event_id) or not has_access('is_user_itself',\n                                                                                         id=order.user_id):\n                raise ForbiddenException({'source': ''}, 'Access Forbidden')\n            query_ = query_.join(Order).filter(Order.id == order.id)\n\n        if view_kwargs.get('ticket_id'):\n            ticket = safe_query(self, Ticket, 'id', view_kwargs['ticket_id'], 'ticket_id')\n            if not has_access('is_registrar', event_id=ticket.event_id):\n                raise ForbiddenException({'source': ''}, 'Access Forbidden')\n            query_ = query_.join(Ticket).filter(Ticket.id == ticket.id)\n\n        if view_kwargs.get('user_id'):\n            user = safe_query(self, User, 'id', view_kwargs['user_id'], 'user_id')\n            if not has_access('is_user_itself', id=user.id):\n                raise ForbiddenException({'source': ''}, 'Access Forbidden')\n            query_ = query_.join(User, User.email == TicketHolder.email).filter(User.id == user.id)\n\n        query_ = event_query(self, query_, view_kwargs, permission='is_registrar')\n        return query_\n\n    view_kwargs = True\n    methods = ['GET', ]\n    schema = AttendeeSchema\n    data_layer = {'session': db.session,\n                  'model': TicketHolder,\n                  'methods': {\n                      'query': query\n                  }}\n\n\nclass AttendeeDetail(ResourceDetail):\n    \"\"\"\n    Attendee detail by id\n    \"\"\"\n    def before_get_object(self, view_kwargs):\n        \"\"\"\n        before get object method for attendee detail\n        :param view_kwargs:\n        :return:\n        \"\"\"\n        attendee = safe_query(self, TicketHolder, 'id', view_kwargs['id'], 'attendee_id')\n        if not has_access('is_registrar_or_user_itself', user_id=current_identity.id, event_id=attendee.event_id):\n            raise ForbiddenException({'source': 'User'}, 'You are not authorized to access this.')\n\n    def before_delete_object(self, obj, kwargs):\n        \"\"\"\n        before delete object method for attendee detail\n        :param obj:\n        :param kwargs:\n        :return:\n        \"\"\"\n        if not has_access('is_registrar', event_id=obj.event_id):\n            raise ForbiddenException({'source': 'User'}, 'You are not authorized to access this.')\n\n    def before_update_object(self, obj, data, kwargs):\n        \"\"\"\n        before update object method for attendee detail\n        :param obj:\n        :param data:\n        :param kwargs:\n        :return:\n        \"\"\"\n        if not has_access('is_registrar', event_id=obj.event_id):\n            raise ForbiddenException({'source': 'User'}, 'You are not authorized to access this.')\n\n        if 'is_checked_in' in data:\n            if data['is_checked_in'] and 'checkin_times' not in data:\n                raise UnprocessableEntity({'pointer': '/data/attributes/checkin_times'},\n                                          \"Check in time missing while trying to check in attendee\")\n\n            if obj.checkin_times and data['checkin_times'] not in obj.checkin_times.split(\",\"):\n                data['checkin_times'] = '{},{}'.format(obj.checkin_times, data['checkin_times'])\n\n    decorators = (jwt_required,)\n    schema = AttendeeSchema\n    data_layer = {'session': db.session,\n                  'model': TicketHolder,\n                  'methods': {\n                      'before_get_object': before_get_object,\n                      'before_update_object': before_update_object,\n                      'before_delete_object': before_delete_object\n                  }}\n\n\nclass AttendeeRelationshipRequired(ResourceRelationship):\n    \"\"\"\n    Attendee Relationship (Required)\n    \"\"\"\n    decorators = (jwt_required,)\n    methods = ['GET', 'PATCH']\n    schema = AttendeeSchema\n    data_layer = {'session': db.session,\n                  'model': TicketHolder}\n\n\nclass AttendeeRelationshipOptional(ResourceRelationship):\n    \"\"\"\n    Attendee Relationship(Optional)\n    \"\"\"\n    decorators = (api.has_permission('is_user_itself', fetch=\"user_id\", fetch_as=\"id\", model=TicketHolder),)\n    schema = AttendeeSchema\n    data_layer = {'session': db.session,\n                  'model': TicketHolder}\n", "path": "app/api/attendees.py"}]}