def delete_deal(deal_id):
'''
This function is used by a user to delete a deal. The user trying to
delete this deal must be the author of the deal.
We are not sending this off to celery as a async task b'c we want to
ensure that this a deal is deleted immediately, rather at time delta
later
'''
msg = {}
user = User.objects(id=current_user.id).first()
if str(deal_id) not in user.deals_submitted:
msg['status'] = 'error'
msg['message'] = 'you cannot delete this deal b\'c you are not the author'
return jsonify(msg)
try:
deal = Deal.objects(id=deal_id).first()
deal.deleted = True
deal.save()
remove_deal(deal.sequence_num)
remove_deal_num_from_lists(deal.sequence_num)
except Exception as e:
print e
msg['status'] = 'error'
msg['message'] = 'error occured while deleting user object'
return jsonify(msg)
msg['status'] = 'success'
return jsonify(msg)
def vote_deal(deal_id):
'''
This function updates the number of votes of the deal by:
1) increasing num_votes by 1
2) add a new vote object into a deal's 'votes' list
'''
msg = {}
user = get_current_user()
if str(deal_id) in user.votes:
msg['status'] = 'error'
msg['message'] = 'you cannot vote for the same deal twice'
return jsonify(msg)
# we want to make sure that the user see's that his or her vote was counted
# right away w/o any delay. Hence, the following line is part of
# celery_tasks.upvote
else:
try:
user.deals_voted.append(str(deal_id))
user.save()
deal_queryset = Deal.objects(id=deal_id)
deal_queryset.update_one(inc__num_votes=1)
deal = deal_queryset.first()
# flushing redis cache to reflect the new vote count
remove_deal(deal.sequence_num)
# update redis cache: noting that current user has voted this deal in redis
set_user_action_as_completed('vote', deal_id, user.sequence_num)
for sort in sorts:
r.delete("".join([user.name, '_', 'liked', '_', sort]))
# update mongodb
celery_tasks.upvote.delay(deal_id, user.id, request.remote_addr)
msg['status'] = 'success'
return jsonify(msg)
except Exception as e:
print e
abort(404)
