def message_unreact(token, message_id, react_id):
'''
This function unreacts to a message
'''
curr_user_id = token_to_user(token)
message = get_msg_dict(message_id)
channel = msg_to_channel(message_id)
# check if the message_id is valid
if message_id >= server_data.data["n_messages"]:
raise ValueError("message_id is invalid")
is_msg_removed(message_id)
# check if the user is valid
check_valid_user(curr_user_id)
# check if the channel is valid
check_valid_channel(channel["channel_id"])
# check if the user is in the channel
if not check_channel_member(curr_user_id, channel["channel_id"]):
raise AccessError("User is not a member of the channel")
# check if the react_id is valid, only 1 in iteration 2
react_id_list = [1]
if react_id not in react_id_list:
raise ValueError("React ID is not valid")
# check if the message already has the react_id
# check if the user has reacted to that message
present_flag = 0
for react_dict in message['reacts']:
if react_dict['react_id'] == react_id:
present_flag = 1
if curr_user_id in react_dict['u_ids']:
# the current user has reacted
react_dict['u_ids'].remove(curr_user_id)
if len(react_dict['u_ids']) == 0:
# remove react entirely if no more members
del react_dict
if present_flag == 0:
raise ValueError("Message does not have that react")
return {}
def message_react(token, message_id, react_id):
'''
This function reacts to a message
'''
curr_user_id = token_to_user(token)
message = get_msg_dict(message_id)
channel = msg_to_channel(message_id)
# check if the message_id is valid
if message_id >= server_data.data["n_messages"]:
raise ValueError("message_id is invalid")
is_msg_removed(message_id)
# check if the user is valid
check_valid_user(curr_user_id)
# check if the channel is valid
check_valid_channel(channel["channel_id"])
# check if the user is in the channel
if not check_channel_member(curr_user_id, channel["channel_id"]):
raise AccessError("User is not a member of the channel")
# check if the react_id is valid, only 1 in iteration 2
react_id_list = [1]
if react_id not in react_id_list:
raise ValueError("React ID is not valid")
# if the message already has the react id
for react in message["reacts"]:
if react['react_id'] == react_id:
# check if the current user has already reacted
if curr_user_id in react['u_ids']:
raise ValueError("Message already reacted by current user")
# react to the message!
react['u_ids'].append(curr_user_id)
return {}
# otherwise, the message has not been reacted too
message['reacts'].append({'react_id': react_id, 'u_ids': [curr_user_id]})
return {}
def message_edit(token, message_id, message):
'''
The following function edits a message
'''
curr_user_id = token_to_user(token)
check_valid_user(curr_user_id)
# if message too long / not a string
is_valid_message(message)
message_dict = get_msg_dict(message_id)
# check if the message exists
is_msg_removed(message_id)
# Check if message is the same
msg_str = (get_msg_dict(message_id))['message']
if msg_str == message:
raise ValueError(f"Message is the same")
channel = msg_to_channel(message_id)
check_channel_member(curr_user_id, channel['channel_id'])
if message_dict['u_id'] == curr_user_id:
pass
elif is_slackr_admin(curr_user_id):
pass
elif is_owner(curr_user_id, channel['channel_id']):
pass
else:
raise AccessError('User does not have the right permission')
if message == "":
message_remove(token, message_id)
else:
message_dict['message'] = message
return {}
def message_pin(token, message_id):
'''
The following function pins a message
'''
curr_user_id = token_to_user(token)
message = get_msg_dict(message_id)
channel = msg_to_channel(message_id)
# check if the message_id is valid
if message_id >= server_data.data["n_messages"]:
raise ValueError("message_id is invalid")
is_msg_removed(int(message_id))
# check if the user is valid
check_valid_user(curr_user_id)
# check if the channel is valid
check_valid_channel(channel["channel_id"])
# check if the user is in the channel
if not check_channel_member(curr_user_id, channel["channel_id"]):
raise AccessError("User is not a member of the channel")
# User must be a admin of either the channel or slackr
check_permission = server_data.data["users"][curr_user_id]["permission"]
check_isowner = is_owner(curr_user_id, channel["channel_id"])
if (not check_isowner) and check_permission == 3:
raise ValueError("User is not authorised for this action")
# check if the message is already pinned
if message["is_pinned"]:
raise ValueError("Message is already pinned")
message["is_pinned"] = True
return {}
def message_remove(token, message_id):
'''
The following function removes a message @@ can change to remove completely
'''
curr_user_id = token_to_user(token)
check_valid_user(curr_user_id)
message = get_msg_dict(message_id)
# check if the message exists
is_msg_removed(message_id)
channel = msg_to_channel(message_id)
check_channel_member(curr_user_id, channel['channel_id'])
# if the message was sent by the user
if message['u_id'] == curr_user_id:
pass
# if the current user is a owner of the channel
elif is_slackr_admin(curr_user_id):
pass
elif is_owner(curr_user_id, channel['channel_id']):
pass
else:
raise AccessError('User does not have the right permission')
# decrease the channel_n_messages and n_messages
channel["channel_n_messages"] -= 1
# deleting message
for i in range(len(channel['messages'])):
if channel['messages'][i]['message_id'] == int(message_id):
del channel['messages'][i]
break
return {}