def react_message(token, message_id, react_id):
"""
React message with message_id with react_id
"""
data = get_data()
user = get_user_from_token(data, token)
message = get_msg_from_msg_id(data, message_id)
if message is None or not user_in_channel_with_msg(data, user['u_id'],
message):
raise ValueError('Message is not in the channel')
if not valid_react_id(react_id):
raise ValueError('Invalid react id')
if message_contains_react(message, user['u_id']):
raise ValueError('Message already has that react')
react = get_react_from_react_id(message, react_id)
# if there are no current reacts, create a new data structure
# and store the information. Otherwise, add only the user id
if react is None:
react_info = generate_react_info(react_id, user['u_id'])
message['reacts'].append(react_info)
else:
react['u_ids'].append(user['u_id'])
pickle_data(data)
return {}
def edit_message(token, message_id, message_str):
"""
Edit message with message_id with new message
If message is empty, delete the message
"""
if len(message_str) == 0:
return remove_message(token, message_id)
data = get_data()
og_message = get_msg_from_msg_id(data, message_id)
user = get_user_from_token(data, token)
channel = get_channel(data, og_message['channel_id'])
# check if user did not send original message and user is admin/owner
if (not user_sent_message(user['u_id'], og_message)
and not user_is_admin_or_owner(user, channel)):
raise AccessError("User did not send message or not enough privileges")
# edit the original message with the new message
og_message['message'] = message_str
pickle_data(data)
return {}
def remove_message(token, message_id):
"""
Remove message with message_id from channel
"""
data = get_data()
user = get_user_from_token(data, token)
message = get_msg_from_msg_id(data, message_id)
if message is None:
raise ValueError('Message no longer exists')
channel = get_channel(data, message['channel_id'])
if not user_sent_message(user['u_id'],
message) and not user_is_admin_or_owner(
user, channel):
raise AccessError("User did not send message or not enough privileges")
# remove the message object and the message_id from the 'database'
data['messages'].remove(message)
channel['message_ids'].remove(message_id)
pickle_data(data)
return {}
def unreact_message(token, message_id, react_id):
"""
Unreact message with message_id with react_id
"""
data = get_data()
user = get_user_from_token(data, token)
message = get_msg_from_msg_id(data, message_id)
if message is None or not user_in_channel_with_msg(data, user['u_id'],
message):
raise ValueError('Message is not in the channel')
if not valid_react_id(react_id):
raise ValueError('Invalid react id')
if not message_contains_react(message, user['u_id']):
raise ValueError('Message does not have that react')
# get the react object and delete the user u_id
react = get_react_from_react_id(message, react_id)
react['u_ids'].remove(user['u_id'])
react['is_this_user_reacted'] = False
pickle_data(data)
return {}
def unpin_message(token, message_id):
"""
Unpin message with message_id
"""
data = get_data()
user = get_user_from_token(data, token)
message = get_msg_from_msg_id(data, message_id)
if message is None:
raise ValueError("Invalid message_id")
channel = get_channel(data, message['channel_id'])
if not perm_id_is_admin_owner(user['perm_id']):
raise ValueError("User is not an admin or owner")
if not message['is_pinned']:
raise ValueError("Message is not pinned")
if not user_in_channel(user['u_id'], channel):
raise AccessError(
"User not part of channel that the message is within")
# set the pin flag on the message to False
message['is_pinned'] = False
pickle_data(data)
return {}