prompt: We are currently solving the following issue within our repository. Here is the issue text:
  --- BEGIN ISSUE ---
  Store check in kiosk id to mark association
  Allow organiser to create station name for each event
  
  - station name
  - location (based on the locations available for the venue) - if registration is selected, location can be empty
  - type (registration / daily / check in / check out )
  
  --- 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/station.py`
  Content:
  ```
  1 from flask_rest_jsonapi import ResourceDetail, ResourceList, ResourceRelationship
  2 from flask_rest_jsonapi.exceptions import ObjectNotFound
  3 
  4 from app.api.helpers.db import safe_query_kwargs
  5 from app.api.helpers.errors import UnprocessableEntityError
  6 from app.api.helpers.permission_manager import has_access
  7 from app.api.helpers.permissions import jwt_required
  8 from app.api.helpers.utilities import require_relationship
  9 from app.api.schema.station import StationSchema
  10 from app.models import db
  11 from app.models.event import Event
  12 from app.models.microlocation import Microlocation
  13 from app.models.station import Station
  14 
  15 
  16 class StationList(ResourceList):
  17     """Create and List Station"""
  18 
  19     def query(self, view_kwargs):
  20         """
  21         query method for different view_kwargs
  22         :param view_kwargs:
  23         :return:
  24         """
  25         query_ = self.session.query(Station)
  26         if view_kwargs.get('event_id'):
  27             event = safe_query_kwargs(Event, view_kwargs, 'event_id')
  28             query_ = query_.filter_by(event_id=event.id)
  29 
  30         elif view_kwargs.get('microlocation_id'):
  31             event = safe_query_kwargs(Microlocation, view_kwargs, 'microlocation_id')
  32             query_ = query_.filter_by(microlocation_id=event.id)
  33 
  34         return query_
  35 
  36     view_kwargs = True
  37     schema = StationSchema
  38     data_layer = {
  39         'session': db.session,
  40         'model': Station,
  41         'methods': {'query': query},
  42     }
  43 
  44 
  45 class StationDetail(ResourceDetail):
  46     """Station detail by id"""
  47 
  48     @staticmethod
  49     def before_patch(args, kwargs, data):
  50         """
  51         before patch method
  52         :param args:
  53         :param kwargs:
  54         :param data:
  55         :return:
  56         """
  57         require_relationship(['event'], data)
  58         if not has_access('is_coorganizer', event_id=data['event']):
  59             raise ObjectNotFound(
  60                 {'parameter': 'event'},
  61                 f"Event: {data['event']} not found {args} {kwargs}",
  62             )
  63 
  64         if data.get('microlocation'):
  65             require_relationship(['microlocation'], data)
  66         else:
  67             if data['station_type'] in ('check in', 'check out', 'daily'):
  68                 raise ObjectNotFound(
  69                     {'parameter': 'microlocation'},
  70                     "Microlocation: microlocation_id is missing from your request.",
  71                 )
  72         station = Station.query.filter_by(
  73             station_type=data.get('station_type'),
  74             microlocation_id=data.get('microlocation'),
  75             event_id=data.get('event'),
  76         ).first()
  77         if station:
  78             raise UnprocessableEntityError(
  79                 {
  80                     'station_type': data.get('station_type'),
  81                     'microlocation_id': data.get('microlocation'),
  82                     'event_id': data.get('event'),
  83                 },
  84                 "A Station already exists for the provided Event ID"
  85                 ", Microlocation ID and Station type",
  86             )
  87 
  88     schema = StationSchema
  89     data_layer = {
  90         'session': db.session,
  91         'model': Station,
  92     }
  93 
  94 
  95 class StationRelationship(ResourceRelationship):
  96     """Station Relationship (Required)"""
  97 
  98     decorators = (jwt_required,)
  99     methods = ['GET', 'PATCH']
  100     schema = StationSchema
  101     data_layer = {'session': db.session, 'model': Station}
  102 
  103 
  104 class StationListPost(ResourceList):
  105     """Create and List Station"""
  106 
  107     @staticmethod
  108     def before_post(args, kwargs, data):
  109         """
  110         method to check for required relationship with event and microlocation
  111         :param data:
  112         :param args:
  113         :param kwargs:
  114         :return:
  115         """
  116         require_relationship(['event'], data)
  117         if not has_access('is_coorganizer', event_id=data['event']):
  118             raise ObjectNotFound(
  119                 {'parameter': 'event'},
  120                 f"Event: {data['event']} not found {args} {kwargs}",
  121             )
  122 
  123         if data.get('microlocation'):
  124             require_relationship(['microlocation'], data)
  125         else:
  126             if data['station_type'] in ('check in', 'check out', 'daily'):
  127                 raise ObjectNotFound(
  128                     {'parameter': 'microlocation'},
  129                     "Microlocation: missing from your request.",
  130                 )
  131 
  132     def before_create_object(self, data, view_kwargs):
  133         """
  134         function to check if station already exist
  135         @param data:
  136         @param view_kwargs:
  137         """
  138         station = (
  139             self.session.query(Station)
  140             .filter_by(
  141                 station_type=data.get('station_type'),
  142                 microlocation_id=data.get('microlocation'),
  143                 event_id=data.get('event'),
  144             )
  145             .first()
  146         )
  147         if station:
  148             raise UnprocessableEntityError(
  149                 {
  150                     'station_type': data.get('station_type'),
  151                     'microlocation_id': data.get('microlocation'),
  152                     'event_id': data.get('event'),
  153                     'view_kwargs': view_kwargs,
  154                 },
  155                 "A Station already exists for the provided Event ID"
  156                 ", Microlocation ID and Station type",
  157             )
  158 
  159     schema = StationSchema
  160     methods = [
  161         'POST',
  162     ]
  163     data_layer = {
  164         'session': db.session,
  165         'model': Station,
  166         'methods': {'before_create_object': before_create_object},
  167     }
  168
  ```
  --- 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/station.py b/app/api/station.py
  --- a/app/api/station.py
  +++ b/app/api/station.py
  @@ -2,7 +2,6 @@
   from flask_rest_jsonapi.exceptions import ObjectNotFound
   
   from app.api.helpers.db import safe_query_kwargs
  -from app.api.helpers.errors import UnprocessableEntityError
   from app.api.helpers.permission_manager import has_access
   from app.api.helpers.permissions import jwt_required
   from app.api.helpers.utilities import require_relationship
  @@ -69,21 +68,6 @@
                       {'parameter': 'microlocation'},
                       "Microlocation: microlocation_id is missing from your request.",
                   )
  -        station = Station.query.filter_by(
  -            station_type=data.get('station_type'),
  -            microlocation_id=data.get('microlocation'),
  -            event_id=data.get('event'),
  -        ).first()
  -        if station:
  -            raise UnprocessableEntityError(
  -                {
  -                    'station_type': data.get('station_type'),
  -                    'microlocation_id': data.get('microlocation'),
  -                    'event_id': data.get('event'),
  -                },
  -                "A Station already exists for the provided Event ID"
  -                ", Microlocation ID and Station type",
  -            )
   
       schema = StationSchema
       data_layer = {
  @@ -129,33 +113,6 @@
                       "Microlocation: missing from your request.",
                   )
   
  -    def before_create_object(self, data, view_kwargs):
  -        """
  -        function to check if station already exist
  -        @param data:
  -        @param view_kwargs:
  -        """
  -        station = (
  -            self.session.query(Station)
  -            .filter_by(
  -                station_type=data.get('station_type'),
  -                microlocation_id=data.get('microlocation'),
  -                event_id=data.get('event'),
  -            )
  -            .first()
  -        )
  -        if station:
  -            raise UnprocessableEntityError(
  -                {
  -                    'station_type': data.get('station_type'),
  -                    'microlocation_id': data.get('microlocation'),
  -                    'event_id': data.get('event'),
  -                    'view_kwargs': view_kwargs,
  -                },
  -                "A Station already exists for the provided Event ID"
  -                ", Microlocation ID and Station type",
  -            )
  -
       schema = StationSchema
       methods = [
           'POST',
  @@ -163,5 +120,4 @@
       data_layer = {
           'session': db.session,
           'model': Station,
  -        'methods': {'before_create_object': before_create_object},
       }
  
verification_info: {"golden_diff": "diff --git a/app/api/station.py b/app/api/station.py\n--- a/app/api/station.py\n+++ b/app/api/station.py\n@@ -2,7 +2,6 @@\n from flask_rest_jsonapi.exceptions import ObjectNotFound\n \n from app.api.helpers.db import safe_query_kwargs\n-from app.api.helpers.errors import UnprocessableEntityError\n from app.api.helpers.permission_manager import has_access\n from app.api.helpers.permissions import jwt_required\n from app.api.helpers.utilities import require_relationship\n@@ -69,21 +68,6 @@\n                     {'parameter': 'microlocation'},\n                     \"Microlocation: microlocation_id is missing from your request.\",\n                 )\n-        station = Station.query.filter_by(\n-            station_type=data.get('station_type'),\n-            microlocation_id=data.get('microlocation'),\n-            event_id=data.get('event'),\n-        ).first()\n-        if station:\n-            raise UnprocessableEntityError(\n-                {\n-                    'station_type': data.get('station_type'),\n-                    'microlocation_id': data.get('microlocation'),\n-                    'event_id': data.get('event'),\n-                },\n-                \"A Station already exists for the provided Event ID\"\n-                \", Microlocation ID and Station type\",\n-            )\n \n     schema = StationSchema\n     data_layer = {\n@@ -129,33 +113,6 @@\n                     \"Microlocation: missing from your request.\",\n                 )\n \n-    def before_create_object(self, data, view_kwargs):\n-        \"\"\"\n-        function to check if station already exist\n-        @param data:\n-        @param view_kwargs:\n-        \"\"\"\n-        station = (\n-            self.session.query(Station)\n-            .filter_by(\n-                station_type=data.get('station_type'),\n-                microlocation_id=data.get('microlocation'),\n-                event_id=data.get('event'),\n-            )\n-            .first()\n-        )\n-        if station:\n-            raise UnprocessableEntityError(\n-                {\n-                    'station_type': data.get('station_type'),\n-                    'microlocation_id': data.get('microlocation'),\n-                    'event_id': data.get('event'),\n-                    'view_kwargs': view_kwargs,\n-                },\n-                \"A Station already exists for the provided Event ID\"\n-                \", Microlocation ID and Station type\",\n-            )\n-\n     schema = StationSchema\n     methods = [\n         'POST',\n@@ -163,5 +120,4 @@\n     data_layer = {\n         'session': db.session,\n         'model': Station,\n-        'methods': {'before_create_object': before_create_object},\n     }\n", "issue": "Store check in kiosk id to mark association\nAllow organiser to create station name for each event\r\n\r\n- station name\r\n- location (based on the locations available for the venue) - if registration is selected, location can be empty\r\n- type (registration / daily / check in / check out )\n", "before_files": [{"content": "from flask_rest_jsonapi import ResourceDetail, ResourceList, ResourceRelationship\nfrom flask_rest_jsonapi.exceptions import ObjectNotFound\n\nfrom app.api.helpers.db import safe_query_kwargs\nfrom app.api.helpers.errors import UnprocessableEntityError\nfrom app.api.helpers.permission_manager import has_access\nfrom app.api.helpers.permissions import jwt_required\nfrom app.api.helpers.utilities import require_relationship\nfrom app.api.schema.station import StationSchema\nfrom app.models import db\nfrom app.models.event import Event\nfrom app.models.microlocation import Microlocation\nfrom app.models.station import Station\n\n\nclass StationList(ResourceList):\n    \"\"\"Create and List Station\"\"\"\n\n    def query(self, view_kwargs):\n        \"\"\"\n        query method for different view_kwargs\n        :param view_kwargs:\n        :return:\n        \"\"\"\n        query_ = self.session.query(Station)\n        if view_kwargs.get('event_id'):\n            event = safe_query_kwargs(Event, view_kwargs, 'event_id')\n            query_ = query_.filter_by(event_id=event.id)\n\n        elif view_kwargs.get('microlocation_id'):\n            event = safe_query_kwargs(Microlocation, view_kwargs, 'microlocation_id')\n            query_ = query_.filter_by(microlocation_id=event.id)\n\n        return query_\n\n    view_kwargs = True\n    schema = StationSchema\n    data_layer = {\n        'session': db.session,\n        'model': Station,\n        'methods': {'query': query},\n    }\n\n\nclass StationDetail(ResourceDetail):\n    \"\"\"Station detail by id\"\"\"\n\n    @staticmethod\n    def before_patch(args, kwargs, data):\n        \"\"\"\n        before patch method\n        :param args:\n        :param kwargs:\n        :param data:\n        :return:\n        \"\"\"\n        require_relationship(['event'], data)\n        if not has_access('is_coorganizer', event_id=data['event']):\n            raise ObjectNotFound(\n                {'parameter': 'event'},\n                f\"Event: {data['event']} not found {args} {kwargs}\",\n            )\n\n        if data.get('microlocation'):\n            require_relationship(['microlocation'], data)\n        else:\n            if data['station_type'] in ('check in', 'check out', 'daily'):\n                raise ObjectNotFound(\n                    {'parameter': 'microlocation'},\n                    \"Microlocation: microlocation_id is missing from your request.\",\n                )\n        station = Station.query.filter_by(\n            station_type=data.get('station_type'),\n            microlocation_id=data.get('microlocation'),\n            event_id=data.get('event'),\n        ).first()\n        if station:\n            raise UnprocessableEntityError(\n                {\n                    'station_type': data.get('station_type'),\n                    'microlocation_id': data.get('microlocation'),\n                    'event_id': data.get('event'),\n                },\n                \"A Station already exists for the provided Event ID\"\n                \", Microlocation ID and Station type\",\n            )\n\n    schema = StationSchema\n    data_layer = {\n        'session': db.session,\n        'model': Station,\n    }\n\n\nclass StationRelationship(ResourceRelationship):\n    \"\"\"Station Relationship (Required)\"\"\"\n\n    decorators = (jwt_required,)\n    methods = ['GET', 'PATCH']\n    schema = StationSchema\n    data_layer = {'session': db.session, 'model': Station}\n\n\nclass StationListPost(ResourceList):\n    \"\"\"Create and List Station\"\"\"\n\n    @staticmethod\n    def before_post(args, kwargs, data):\n        \"\"\"\n        method to check for required relationship with event and microlocation\n        :param data:\n        :param args:\n        :param kwargs:\n        :return:\n        \"\"\"\n        require_relationship(['event'], data)\n        if not has_access('is_coorganizer', event_id=data['event']):\n            raise ObjectNotFound(\n                {'parameter': 'event'},\n                f\"Event: {data['event']} not found {args} {kwargs}\",\n            )\n\n        if data.get('microlocation'):\n            require_relationship(['microlocation'], data)\n        else:\n            if data['station_type'] in ('check in', 'check out', 'daily'):\n                raise ObjectNotFound(\n                    {'parameter': 'microlocation'},\n                    \"Microlocation: missing from your request.\",\n                )\n\n    def before_create_object(self, data, view_kwargs):\n        \"\"\"\n        function to check if station already exist\n        @param data:\n        @param view_kwargs:\n        \"\"\"\n        station = (\n            self.session.query(Station)\n            .filter_by(\n                station_type=data.get('station_type'),\n                microlocation_id=data.get('microlocation'),\n                event_id=data.get('event'),\n            )\n            .first()\n        )\n        if station:\n            raise UnprocessableEntityError(\n                {\n                    'station_type': data.get('station_type'),\n                    'microlocation_id': data.get('microlocation'),\n                    'event_id': data.get('event'),\n                    'view_kwargs': view_kwargs,\n                },\n                \"A Station already exists for the provided Event ID\"\n                \", Microlocation ID and Station type\",\n            )\n\n    schema = StationSchema\n    methods = [\n        'POST',\n    ]\n    data_layer = {\n        'session': db.session,\n        'model': Station,\n        'methods': {'before_create_object': before_create_object},\n    }\n", "path": "app/api/station.py"}], "after_files": [{"content": "from flask_rest_jsonapi import ResourceDetail, ResourceList, ResourceRelationship\nfrom flask_rest_jsonapi.exceptions import ObjectNotFound\n\nfrom app.api.helpers.db import safe_query_kwargs\nfrom app.api.helpers.permission_manager import has_access\nfrom app.api.helpers.permissions import jwt_required\nfrom app.api.helpers.utilities import require_relationship\nfrom app.api.schema.station import StationSchema\nfrom app.models import db\nfrom app.models.event import Event\nfrom app.models.microlocation import Microlocation\nfrom app.models.station import Station\n\n\nclass StationList(ResourceList):\n    \"\"\"Create and List Station\"\"\"\n\n    def query(self, view_kwargs):\n        \"\"\"\n        query method for different view_kwargs\n        :param view_kwargs:\n        :return:\n        \"\"\"\n        query_ = self.session.query(Station)\n        if view_kwargs.get('event_id'):\n            event = safe_query_kwargs(Event, view_kwargs, 'event_id')\n            query_ = query_.filter_by(event_id=event.id)\n\n        elif view_kwargs.get('microlocation_id'):\n            event = safe_query_kwargs(Microlocation, view_kwargs, 'microlocation_id')\n            query_ = query_.filter_by(microlocation_id=event.id)\n\n        return query_\n\n    view_kwargs = True\n    schema = StationSchema\n    data_layer = {\n        'session': db.session,\n        'model': Station,\n        'methods': {'query': query},\n    }\n\n\nclass StationDetail(ResourceDetail):\n    \"\"\"Station detail by id\"\"\"\n\n    @staticmethod\n    def before_patch(args, kwargs, data):\n        \"\"\"\n        before patch method\n        :param args:\n        :param kwargs:\n        :param data:\n        :return:\n        \"\"\"\n        require_relationship(['event'], data)\n        if not has_access('is_coorganizer', event_id=data['event']):\n            raise ObjectNotFound(\n                {'parameter': 'event'},\n                f\"Event: {data['event']} not found {args} {kwargs}\",\n            )\n\n        if data.get('microlocation'):\n            require_relationship(['microlocation'], data)\n        else:\n            if data['station_type'] in ('check in', 'check out', 'daily'):\n                raise ObjectNotFound(\n                    {'parameter': 'microlocation'},\n                    \"Microlocation: microlocation_id is missing from your request.\",\n                )\n\n    schema = StationSchema\n    data_layer = {\n        'session': db.session,\n        'model': Station,\n    }\n\n\nclass StationRelationship(ResourceRelationship):\n    \"\"\"Station Relationship (Required)\"\"\"\n\n    decorators = (jwt_required,)\n    methods = ['GET', 'PATCH']\n    schema = StationSchema\n    data_layer = {'session': db.session, 'model': Station}\n\n\nclass StationListPost(ResourceList):\n    \"\"\"Create and List Station\"\"\"\n\n    @staticmethod\n    def before_post(args, kwargs, data):\n        \"\"\"\n        method to check for required relationship with event and microlocation\n        :param data:\n        :param args:\n        :param kwargs:\n        :return:\n        \"\"\"\n        require_relationship(['event'], data)\n        if not has_access('is_coorganizer', event_id=data['event']):\n            raise ObjectNotFound(\n                {'parameter': 'event'},\n                f\"Event: {data['event']} not found {args} {kwargs}\",\n            )\n\n        if data.get('microlocation'):\n            require_relationship(['microlocation'], data)\n        else:\n            if data['station_type'] in ('check in', 'check out', 'daily'):\n                raise ObjectNotFound(\n                    {'parameter': 'microlocation'},\n                    \"Microlocation: missing from your request.\",\n                )\n\n    schema = StationSchema\n    methods = [\n        'POST',\n    ]\n    data_layer = {\n        'session': db.session,\n        'model': Station,\n    }\n", "path": "app/api/station.py"}]}