zulip/zerver/views/reactions.py

57 lines
2.3 KiB
Python

from __future__ import absolute_import
from django.http import HttpRequest, HttpResponse
from django.utils.translation import ugettext as _
from typing import Text
from zerver.decorator import authenticated_json_post_view,\
has_request_variables, REQ, to_non_negative_int
from zerver.lib.actions import do_add_reaction, do_remove_reaction
from zerver.lib.emoji import check_valid_emoji
from zerver.lib.message import access_message
from zerver.lib.request import JsonableError
from zerver.lib.response import json_success
from zerver.models import Reaction, UserProfile
@has_request_variables
def add_reaction_backend(request, user_profile, message_id, emoji_name):
# type: (HttpRequest, UserProfile, int, Text) -> HttpResponse
# access_message will throw a JsonableError exception if the user
# cannot see the message (e.g. for messages to private streams).
message = access_message(user_profile, message_id)[0]
check_valid_emoji(message.sender.realm, emoji_name)
# We could probably just make this check be a try/except for the
# IntegrityError from it already existing, but this is a bit cleaner.
if Reaction.objects.filter(user_profile=user_profile,
message=message,
emoji_name=emoji_name).exists():
raise JsonableError(_("Reaction already exists"))
do_add_reaction(user_profile, message, emoji_name)
return json_success()
@has_request_variables
def remove_reaction_backend(request, user_profile, message_id, emoji_name):
# type: (HttpRequest, UserProfile, int, Text) -> HttpResponse
# access_message will throw a JsonableError exception if the user
# cannot see the message (e.g. for messages to private streams).
message = access_message(user_profile, message_id)[0]
check_valid_emoji(message.sender.realm, emoji_name)
# We could probably just make this check be a try/except for the
# IntegrityError from it already existing, but this is a bit cleaner.
if not Reaction.objects.filter(user_profile=user_profile,
message=message,
emoji_name=emoji_name).exists():
raise JsonableError(_("Reaction does not exist"))
do_remove_reaction(user_profile, message, emoji_name)
return json_success()