fix:count query of sold tickets

Author: codedsun

app/api/attendees.py

@@ -1,10 +1,11 @@
-from datetime import datetime
+import datetime
 
 from flask import Blueprint, request, jsonify, abort, make_response
 from flask_jwt_extended import current_user
 from flask_rest_jsonapi import ResourceDetail, ResourceList, ResourceRelationship
 from flask_rest_jsonapi.exceptions import ObjectNotFound
 from sqlalchemy.orm.exc import NoResultFound
+from sqlalchemy import or_
 
 from app.api.bootstrap import api
 from app.api.helpers.db import safe_query, get_count
@@ -25,6 +26,9 @@
 from app.models.ticket_holder import TicketHolder
 from app.models.user import User
 
+from app.settings import get_settings
+
+
 attendee_misc_routes = Blueprint('attendee_misc', __name__, url_prefix='/v1')
 
 
@@ -56,8 +60,10 @@ def before_post(self, args, kwargs, data):
                 "Ticket belongs to a different Event"
             )
         # Check if the ticket is already sold out or not.
-        if get_count(db.session.query(TicketHolder.id).
-                     filter_by(ticket_id=int(data['ticket']), deleted_at=None)) >= ticket.quantity:
+        order_expiry_time = get_settings()['order_expiry_time']
+        if get_count(db.session.query(TicketHolder.id).filter(TicketHolder.ticket_id==int(data['ticket']),
+                    TicketHolder.state=='placed',TicketHolder.deleted_at.is_(None), or_(TicketHolder.state=='initializing',
+                    TicketHolder.created_at<datetime.datetime.utcnow()+datetime.timedelta(minutes=order_expiry_time)))) >= ticket.quantity:
             raise ConflictException(
                 {'pointer': '/data/attributes/ticket_id'},
                 "Ticket already sold out"