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login.py
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login.py
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from pymongo import MongoClient
from datetime import datetime
def login(db,username,password):
try:
user_exist = db.users.find_one({'username':username})
if not user_exist:
#username or password wrong
return False
else:
password_db = user_exist['password']
_id= user_exist['_id']
if password_db==password:
db.users.find_one_and_update({'_id':_id},{'$set':{'last_login': datetime.now(),'online':True}},upsert=True)
return True
else:
return False
except Exception as e:
return e
def register(db,username,password):
user_exist = db.users.find_one({'username':username})
if user_exist:
return False
else:
user = {
'username':username,
'password':password,
'last_login':None,
'following':[],
'followers':[],
'online':None
}
try:
db.users.insert_one(user)
return True
except Exception as e:
return e
def logout(db,username):
try:
db.users.find_one_and_update({'username':username},{'$set':{'online':False}},upsert=True)
return True
except Exception as e:
return e
def delete_user(db,username,password):
try:
user_exist = db.users.find_one({'username':username})
if not user_exist:
#username or password wrong
return False
else:
password_db = user_exist['password']
if password_db==password:
db.users.delete_one({'username':username})
return True
else:
return False
except Exception as e:
return e
# client = MongoClient('localhost',27017)
# db = client.minitweet
# username = "Rohita"
# password = 'Rohit'
# print(register(db,username,password))
# print(login(db,username,password))
# print(delete_user(db,username,password))
# print(login(db,username,password))