def message_sendlater(token, channel_id, messsage, time_sent):
data = getData()
#Test for valid message
if len(message) > 1000:
myexcept.invalid_message()
#Test for valid token
flag = 0
for user in data['users']:
if str(user['token']) == token and token != None:
u_id = user['u_id']
flag = 1
if flag == 0:
myexcept.token_error()
#Test for valid time
format = '%Y-%m-%d %H:%M:%S'
present_time = datetime.now()
send_time = datetime.strptime(time_sent, format)
convert_present_time = datetime.strftime(present_time, format)
present = datetime.strptime(convert_present_time, format)
if send_time < present:
myexcept.invalid_time()
tdelta = send_time - present
sendlater_time = present + timedelta(minutes=1) + tdelta
delay_time = (sendlater_time - present).total_seconds()
#Test if channel_id is valid and that user is in the channel_id
channel_found = 0
member_found = 0
for channel in data['channels']:
if str(channel['channel_id']) == channel_id:
channel_found = 1
for member in channel['all_members']:
if member['u_id'] == u_id:
member_found = 1
time.sleep(delay_time)
answer = {
'message_id': 1,
'u_id': u_id,
'message': message,
'time_created': datetime.now(),
'reacts': {},
'is_pinned': False
}
channel['messages'].append(answer)
sendlater = {'message_id': answer['message_id']}
updateData(data)
return sendlater
if channel_found == 0:
myexcept.channel_not_found()
elif member_found == 0:
myexcept.member_not_in_channel()
def channel_invite(token, channel_id, u_id):
data = getData()
# checking that token is a valid user
authorised_user_exists = False
for user in data['users']:
if str(user['token']) == token and token != None:
auth_u_id = user['u_id']
perm_id = user['permission_id']
authorised_user_exists = True
if authorised_user_exists == False:
myexcept.token_error()
# checking that u_id is a valid user
member_exists = False
for user in data['users']:
if user['u_id'] == u_id:
name_first = user['first_name']
name_last = user['last_name']
member_exists = True
if member_exists == False:
myexcept.invalid_user()
token_is_member = False
valid_channel = False
# checking authorised user is already a member of the channel
for channel in data['channels']:
if channel['channel_id'] == channel_id:
valid_channel = True
for member in channel['all_members']:
if member['u_id'] == auth_u_id:
token_is_member = True
if valid_channel == False:
myexcept.channel_not_found()
if token_is_member == False:
myexcept.authorised_member_not_in_channel()
# adding user to channel
for channel in data['channels']:
if channel['channel_id'] == channel_id:
add_user = {
'u_id': u_id,
'name_first': name_first,
'name_last': name_last
}
channel['all_members'].append(add_user)
if perm_id == '1' or perm_id == '2':
channel['owner_members'].append(add_user)
updateData(data)
return {}
def channel_removeowner(token, channel_id, u_id):
data = getData()
found_Token = False
found_User = False
# finding token and user data
for user in data['users']:
if str(user['token']) == token:
tu_id = user['u_id']
found_Token = True
if str(user['u_id']) == u_id:
name_first = user['first_name']
name_last = user['last_name']
found_User = True
if found_Token == False:
myexcept.token_error()
if found_User == False:
myexcept.invalid_user()
found_Token = False
found_User = False
# checking user and token belongs to an owner
for channel in data['channels']:
if str(channel['channel_id']) == channel_id:
for owner in channel['owner_members']:
if owner['u_id'] == tu_id:
found_Token = True
if str(owner['u_id']) == u_id:
found_User = True
if found_Token == False:
myexcept.authorised_member_not_admin()
if found_User == False:
myexcept.user_not_owner()
send_Success = False
# remove user from owner_members list
for channel in data['channels']:
if str(channel['channel_id']) == channel_id:
channel['owner_members'].remove({
'u_id': u_id,
'name_first': name_first,
'name_last': name_last
})
send_Success = True
updateData(data)
return {}
if send_Success == False:
myexcept.channel_not_found()
def channel_addowner(token, channel_id, u_id):
data = getData()
send_Success = False
found_Token = False
# finding user data
for user in data['users']:
if str(user['u_id']) == u_id:
name_first = user['first_name']
name_last = user['last_name']
send_Success = True
if str(user['token']) == token:
tu_id = user['u_id']
found_Token = True
if send_Success == False:
myexcept.invalid_user()
if found_Token == False:
myexcept.token_error()
send_Success = False
# checking token belongs to an owner
for channel in data['channels']:
if str(channel['channel_id']) == channel_id:
for owner in channel['owner_members']:
if owner['u_id'] == tu_id:
send_Success = True
if send_Success == False:
myexcept.token_error()
send_Success = False
# adding user to owner_members list
for channel in data['channels']:
if str(channel['channel_id']) == channel_id:
channel['owner_members'].append({
'u_id': u_id,
'name_first': name_first,
'name_last': name_last
})
send_Success = True
updateData(data)
return {}
if send_Success == False:
myexcept.channel_not_found()
def channel_messages(token, channel_id, start):
data = getData()
send_Success = False
for channel in data['channels']:
if channel['channel_id'] == channel_id:
#for message in channel['messages']:
# checking start is smaller than total number of messages
if start > len(channel['messages']):
myexcept.start_message_invalid()
messages = channel['messages']
end = 50 + int(start)
send_Success = True
end2 = end
if len(channel['messages']) - int(start) < 50:
end2 = -1
return {
'messages': messages[int(start):end],
'start': start,
'end': end2
}
if send_Success == False:
myexcept.channel_not_found()
def message_send(token, channel_id, message):
if len(message) > 1000:
myexcept.invalid_message()
data_new = getData()
flag = 0
#Test for valid token
for i in data_new['users']:
if i['token'] == token and token != None:
u_id = i['u_id']
flag = 1
if flag == 0:
myexcept.token_error()
#Test if channel_id is valid and that user is in the channel_id
channel_found = 0
member_found = 0
for j in data_new['channels']:
if j['channel_id'] == channel_id:
channel_found = 1
for k in j['all_members']:
if k['u_id'] == u_id:
member_found = 1
answer = {}
# assuming message_id is randomly generated
message_id = randint(0, 1000000)
answer['message_id'] = message_id
answer['u_id'] = u_id
answer['message'] = message
answer['time_created'] = "12:04"
answer['reacts'] = []
answer['is_pinned'] = False
j['messages'].append(answer)
updateData(data_new)
return {'message_id': message_id}
if channel_found == 0:
myexcept.channel_not_found()
elif member_found == 0:
myexcept.member_not_in_channel()
def channel_leave(token, channel_id):
data_new = getData()
flag = 0
#Test for valid token
for i in data_new['users']:
if i['token'] == token and token != None:
u_id = i['u_id']
flag = 1
if flag == 0:
myexcept.token_error()
member_found = 0
channel_found = 0
for channels in data_new['channels']:
if channels['channel_id'] == channel_id:
channel_found = 1
for members in channels['all_members']:
member_count = len(channels['all_members'])
if members['u_id'] == u_id:
member_found = 1
if members in channels['owner_members']:
channels['owner_members'].remove(members)
channels['all_members'].remove(members)
if member_count == 1:
data['channels'].remove(channels)
answer = {}
updateData(data_new)
return answer
if channel_found == 0:
myexcept.channel_not_found()
if member_found == 0:
myexcept.member_not_in_channel()
answer = {}
return answer
def channel_join(token, channel_id):
data = getData()
#Test for valid token
flag = 0
for user in data['users']:
# If token is valid, get user's u_id, first name, last name
if user['token'] == token and token != None:
u_id = user['u_id']
name_first = user['first_name']
name_last = user['last_name']
perm_id = user['permission_id']
flag = 1
if flag == 0:
myexcept.token_error()
channel_found = 0
member_not_found = 0
# search for the channel with channel_id
for channel in data['channels']:
if channel['channel_id'] == channel_id:
if channel['is_public'] == False:
if perm_id == '1' or perm_id == '2':
channel_found = 1
# search in channel members, if the user is not already in the channel
for member in channel['all_members']:
if member['u_id'] != u_id:
member_not_found = 1
add_user = {
'u_id': u_id,
'name_first': name_first,
'name_last': name_last
}
channel['all_members'].append(add_user)
channel['owner_members'].append(add_user)
return {}
else:
myexcept.private_channel_denied()
elif channel['is_public'] == True:
channel_found = 1
# search in channel members, if the user is not already in the channel
for member in channel['all_members']:
if member['u_id'] != u_id:
member_not_found = 1
if perm_id == '1' or perm_id == '2':
p_id = '1'
else:
p_id = '2'
add_user = {
'u_id': u_id,
'name_first': name_first,
'name_last': name_last
}
channel['all_members'].append(add_user)
updateData(data)
return {}
if channel_found == 0:
myexcept.channel_not_found()
elif member_not_found == 0:
myexcept.member_in_channel()
