def is_exists(event_member_id):
return database.is_exist(event_member_id, event_member_collection)
def is_exist(group_event_id):
if not id_is_valid(group_event_id):
return False
return database.is_exist(group_event_id, group_event_collection)
def event_chat_is_exist(event_chat_id):
if not id_is_valid(event_chat_id):
return False
return is_exist(event_chat_id, event_chats_collection)
def dialog_is_exist(dialog_id):
if not id_is_valid(dialog_id):
return False
return is_exist(dialog_id, dialogs_collection)
def is_exist_by_id(user_id):
if not id_is_valid(user_id):
return False
return database.is_exist(user_id, users_collection)
def is_exists(msg_id):
if not id_is_valid(msg_id):
return False
return database.is_exist(msg_id, msg_collection)
def is_exist(single_event_id):
if not id_is_valid(single_event_id):
return False
return database.is_exist(single_event_id, single_event_collection)