def message_edit(token, message_id, message):
data = getData()
input_message_id = int(message_id)
basic_info = getUserFromToken(token)
flag_1 = False # Checks for permission.
flag_2 = False # Checks if its the authorized user.
for i in data['message_info']:
if (i['message_id'] == input_message_id):
if (message == ""):
data['message_info'].remove(i)
return {}
for channel in data['channel_info']:
if (channel['channel_id']) == i['channel_id']:
for owner in channel['owner_members']:
if (owner['u_id'] == basic_info['u_id']):
flag_1 = True
if (basic_info['permission_id'] != 3):
flag_1 = True
if (i['u_id'] == basic_info['u_id']):
flag_2 = True
if (flag_1 == False):
raise AccessError('user has insufficient permissions')
if (flag_2 == False):
raise AccessError('user is not authorized')
i['message'] = message
return {}
def message_unpin(token, message_id):
data = getData()
input_message_id = int(message_id)
basic_info = getUserFromToken(token)
flag_1 = False # Checks for permission to unpin.
flag_2 = False # Checks if message exists.
flag_3 = False # Checks if the user is a member of the channel that the message is within.
for message in data['message_info']:
if (message['message_id'] == input_message_id):
for channel in data['channel_info']:
if (channel['channel_id']) == message['channel_id']:
for owner in channel['owner_members']:
if (owner['u_id'] == basic_info['u_id']):
flag_1 = True
for member in channel['all_members']:
if (member['u_id'] == basic_info['u_id']):
flag_3 = True
if (basic_info['permission_id'] != 3):
flag_1 = True
if (flag_1 == False):
raise ValueError('user has insufficient permissions')
if (flag_3 == False):
raise AccessError(
'user is not a member of the channel that the message is within'
)
if (message['is_pinned'] == False):
raise ValueError('message already unpinned')
flag_2 = True
message['is_pinned'] = False
if (flag_2 == False):
raise ValueError('message does not exist')
return {}
def channel_join(token, channel_id):
data = getData()
basic_info = getUserFromToken(token)
channel_id_integer = int(channel_id)
flag_1 = False
flag_2 = False
for channel in data['channel_info']:
if (channel_id_integer == channel['channel_id']):
flag_1 = True
if (channel['is_public'] == True):
flag_2 = True
all_users = {}
all_users['u_id'] = basic_info['u_id']
all_users['name_first'] = basic_info['name_first']
all_users['name_last'] = basic_info['name_last']
channel['all_members'].append(all_users)
else:
for user in data['user_info']:
if user['u_id'] == basic_info['u_id']:
if user['permission_id'] != 3:
flag_2 = True
all_users = {}
all_users['u_id'] = basic_info['u_id']
all_users['name_first'] = basic_info['name_first']
all_users['name_last'] = basic_info['name_last']
channel['all_members'].append(all_users)
if (flag_1 == False):
raise ValueError(description="channel_id is invalid")
if (flag_2 == False):
raise AccessError(description="cannot join channel as it is private")
return {}
def message_send(token, channel_id, message):
data = getData()
channel_id_integer = int(channel_id)
# message is more than 1000 characters
if (len(message) > 1000):
raise ValueError(description='message is exceeding the maximum')
for user in data['channel_info']:
if (channel_id_integer == user['channel_id']):
for i in user['all_members']:
basic_info = getUserFromToken(token)
return_message_id = generateMessage_id(message_id)
if (basic_info['u_id'] == i['u_id']):
message_dict = {}
message_dict['message_id'] = return_message_id
message_dict['u_id'] = i['u_id']
message_dict['message'] = message
message_dict['time_created'] = datetime.timestamp(
datetime.now())
message_dict['time_sent'] = datetime.timestamp(
datetime.now())
message_dict['reacts'] = [{
'react_id': 1,
'u_ids': [],
'is_this_user_reacted': False
}]
message_dict['is_pinned'] = False
message_dict['channel_id'] = channel_id_integer
message_dict['is_unread'] = True
data['message_info'].append(message_dict)
return {'message_id': return_message_id}
# if user is not in this channel currently
raise AccessError('this user is not in this channel')
def channel_details(token, channel_id):
data = getData()
channel_id_integer = int(channel_id)
flag_1 = False
flag_2 = False
# check if the channel ID is invalid
for i in data['channel_info']:
if (channel_id_integer == i['channel_id']):
flag_1 = True
channel = i
# check if the user is not a member in this channel with channel_id
for user in i['all_members']:
basic_info = getUserFromToken(token)
print(user)
if (basic_info['u_id'] == user['u_id']):
flag_2 = True
if (flag_1 == False):
raise ValueError(description='channel_id is invalid')
if (flag_2 == False):
raise AccessError(description='u_id is not in this channel')
return {
'name': channel['name'],
'owner_members': channel['owner_members'],
'all_members': channel['all_members']
}
def channel_invite(token, channel_id, u_id):
data = getData()
basic_info = getUserFromToken(token)
channel_id_integer = int(channel_id)
u_id_integer = int(u_id)
flag_1 = False
flag_2 = False
flag_3 = False
# u_id is invalid
for user in data['user_info']:
if (u_id_integer == user['u_id']):
flag_1 = True
if (flag_1 == False):
raise ValueError("u_id we want to invite is invalid")
for channel in data['channel_info']:
if (channel_id_integer == channel['channel_id']):
flag_2 = True
for i in channel['all_members']:
if (i['u_id'] == basic_info['u_id']):
flag_3 = True
# invite this user into this channel
users_all = {}
users_all['u_id'] = u_id_integer
users_all['name_first'] = user['name_first']
users_all['name_last'] = user['name_last']
channel['all_members'].append(users_all)
if (flag_2 == False):
raise ValueError(description="the channel_id is invalid")
if (flag_3 == False):
raise AccessError(
description=
"the authorised user is not already a member of this channel")
return {}
def removeowners_channel(token, channel_id, u_id):
data = getData()
basic_info = getUserFromToken(token)
channel_id_integer = int(channel_id)
u_id_integer = int(u_id)
flag_1 = False
flag_2 = False
flag_3 = False
flag_4 = False
for user in data['user_info']:
if (u_id_integer == user['u_id']):
flag_1 = True
if (flag_1 == False):
raise ValueError(
description="u_id we want to remove as owner is invalid")
for channel in data['channel_info']:
if (channel_id_integer == channel['channel_id']):
flag_2 = True
for i in channel['owner_members']:
if (i['u_id'] == u_id_integer):
flag_3 = True
for i in channel['owner_members']:
if (i['u_id'] == basic_info['u_id']):
flag_4 = True
found = None
for i in channel['owner_members']:
if (i['u_id'] == basic_info['u_id'] and flag_3 == True):
found = i
if found != None:
channel['owner_members'].remove(i)
if (flag_2 == False):
raise ValueError(description="channel id is not a valid channel")
if (flag_3 == False):
raise ValueError(description="user is not an owner of the channel")
if (flag_4 == False):
raise AccessError(
description="the authorsied user is not an owner of the channel")
return {}
def addowners_channel(token, channel_id, u_id):
data = getData()
basic_info = getUserFromToken(token)
channel_id_integer = int(channel_id)
u_id_integer = int(u_id)
flag_1 = False
flag_2 = False
flag_3 = False
flag_4 = False
for user in data['user_info']:
if (u_id_integer == user['u_id']):
flag_1 = True
if (flag_1 == False):
raise ValueError(description="u_id we want to make owner is invalid")
for channel in data['channel_info']:
if (channel_id_integer == channel['channel_id']):
flag_2 = True
for i in channel['owner_members']:
if (i['u_id'] == u_id_integer):
flag_3 = True
for i in channel['owner_members']:
if (i['u_id'] == basic_info['u_id']):
flag_4 = True
for i in channel['owner_members']:
if (i['u_id'] == basic_info['u_id'] and flag_3 == False):
owner = {}
owner['u_id'] = u_id_integer
owner['name_first'] = user['name_first']
owner['name_last'] = user['name_last']
channel['owner_members'].append(owner)
if (flag_2 == False):
raise ValueError(description="channel id is not a valid channel")
if (flag_3 == True):
raise ValueError(description="user is already an owner of the channel")
if (flag_4 == False):
raise AccessError(
description="the authorsied user is not an owner of the channel")
return {}
def sendlater_message(token, channel_id, message, time_sent):
data = getData()
channel_id_integer = int(channel_id)
time_sent_integer = float(time_sent)
time_now = datetime.utcnow().replace(tzinfo=timezone.utc).timestamp()
return_message_id = generateMessage_id(message_id)
# if the time_sent is time in the past
if (time_sent_integer < time_now):
raise ValueError('the time sent is a time in the past')
# if message's length is more than 1000
if (len(message) > 1000):
raise ValueError('message is more than 1000')
flag = False
for i in data['channel_info']:
if (i['channel_id'] == channel_id_integer):
flag = True
# if the channel_id is invalid
if (flag == False):
raise ValueError('the channel_id is invalid')
for user in data['channel_info']:
for i in user['all_members']:
basic_info = getUserFromToken(token)
if (basic_info['u_id'] == i['u_id']):
message_dict = {}
message_dict['message_id'] = return_message_id
message_dict['message'] = message
message_dict['time_created'] = datetime.timestamp(
datetime.now())
message_dict['time_sent'] = float(time_sent) / 1000
message_dict['react_id'] = 0
message_dict['is_pinned'] = True
message_dict['channel_id'] = channel_id_integer
message_dict['is_unread'] = True
message_dict['u_id'] = i['u_id']
data['message_info'].append(message_dict)
return {'message_id': return_message_id}
# the authorised user is not in this channel currently
raise AccessError('this user is not current in this channel')
def channel_messages(token, channel_id, start):
data = getData()
channel_id = int(channel_id)
start = int(start)
basic_info = getUserFromToken(token)
flag_1 = False
flag_2 = False
return_list = []
# check if the channel_id doesn't exist
for i in data['channel_info']:
if (channel_id == i['channel_id']):
flag_1 = True
# check if the user is not a member in this channel with channel_id
for user in i['all_members']:
if (basic_info['u_id'] == user['u_id']):
flag_2 = True
if (flag_1 == False):
raise ValueError(description='channel_id is invalid')
if (flag_2 == False):
raise AccessError(description='u_id is not in this channel')
if (start > len(data['message_info'])):
raise ValueError(
description='start is greater than the total number of messages')
ch_msgs = [
msg for msg in data['message_info'] if msg['channel_id'] == channel_id
]
ch_msgs.sort(key=lambda msg: msg['time_created'])
for ix, msg in enumerate(ch_msgs):
if (ix + 1 >= start):
if msg['time_sent'] < datetime.timestamp(datetime.now()):
return_list.append({
'u_id': msg['u_id'],
'message': msg['message'],
'time_created': msg['time_created'],
'is_unread': msg['is_unread']
})
return {'messages': return_list, 'start': start, 'end': start + 50}
def message_remove(token, message_id):
data = getData()
input_message_id = int(message_id)
basic_info = getUserFromToken(token)
flag_1 = False # Checks for owner permission.
flag_2 = False # Checks if message exists
for msg in data['message_info']:
if (msg['message_id'] == input_message_id):
for channel in data['channel_info']:
if (channel['channel_id']) == msg['channel_id']:
for owner in channel['owner_members']:
if (owner['u_id'] == basic_info['u_id']):
flag_1 = True
if (basic_info['permission_id'] != 3):
flag_1 = True
if (msg['u_id'] == basic_info['u_id']):
flag_1 = True
if (flag_1 == False):
raise AccessError('user has insufficient permissions')
flag_2 = True
data['message_info'].remove(msg)
if (flag_2 == False):
raise ValueError('message does not exist')
return {}