def create_user(cls, email, first_name, last_name, password,
groups=[]):
"""
Responsible for validating new user input. Hashes password
and raises UserExists error if is duplicate. Creates and saves
a new user.
"""
# let validation error bubble up for right now
validate_email(email)
# check if user exists based on email
try:
cls.objects.get(email=email)
# how should User be referred to ? cls or User?
raise UserExists
except User.DoesNotExist:
pass
# hash bpassword
encrypted_password = encrypt_password(password)
now_datetime = datetime.now()
new_user = cls(
email = email,
first_name = first_name,
last_name = last_name,
password = encrypted_password,
datetime_joined = now_datetime,
last_login = now_datetime,
is_active = True
)
if groups:
new_user.groups = groups
new_user.save()
return new_user
def authenticate(cls, email, password):
"""
Check to see if a user's credentials are correct.
@param email string
@param password string
@return User object or None
"""
encrypted_password = encrypt_password(password)
try:
user = cls.objects.get(email=email,
password=encrypted_password, is_active=True)
return user
except cls.DoesNotExist:
return None
