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, user_message = access_message(user_profile, message_id) 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")) if user_message is None: # Users can see and react to messages sent to streams they # were not a subscriber to; in order to receive events for # those, we give the user a `historical` UserMessage objects # for the message. This is the same trick we use for starring # messages. UserMessage.objects.create(user_profile=user_profile, message=message, flags=UserMessage.flags.historical | UserMessage.flags.read) do_add_reaction(user_profile, message, emoji_name) return json_success()
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()
def add_reaction_legacy(request: HttpRequest, user_profile: UserProfile, message_id: int, emoji_name: Text) -> HttpResponse: # access_message will throw a JsonableError exception if the user # cannot see the message (e.g. for messages to private streams). message, user_message = access_message(user_profile, message_id) 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")) if user_message is None: create_historical_message(user_profile, message) do_add_reaction_legacy(user_profile, message, emoji_name) return json_success()
def delete_emoji(request, user_profile, emoji_name): # type: (HttpRequest, UserProfile, Text) -> HttpResponse check_emoji_admin(user_profile) check_valid_emoji(user_profile.realm, emoji_name) do_remove_realm_emoji(user_profile.realm, emoji_name) return json_success()