def validate_python(self, form_fields, state):
lc_id = form_fields.get('id', None)
email_address = form_fields['email']
user_name = form_fields['lusername']
try:
User.by_email_address(email_address)
except NoResultFound:
email_is_used = False
else:
email_is_used = True
if User.by_user_name(user_name):
new_user = False
else:
new_user = True
if not lc_id:
labcontroller = None
luser = None
else:
labcontroller = LabController.by_id(lc_id)
luser = labcontroller.user
try:
if not labcontroller and email_is_used: # New LC using dupe email
raise ValueError
if new_user and email_is_used: #New user using dupe email
raise ValueError
if luser:
_check_user_email(email_address, luser.user_id)
except ValueError:
error = {'email' : self.message('not_unique', state)}
raise Invalid('Email address is not unique', form_fields,
state, error_dict=error)
def validate_python(self, form_fields, state):
user_id = form_fields.get('user_id')
email_address = form_fields['email_address']
try:
if not user_id: # New user
try:
User.by_email_address(email_address)
except NoResultFound:
pass
else:
raise ValueError
else:
_check_user_email(email_address, user_id)
except ValueError:
error = {'email_address' : self.message('not_unique', state)}
raise Invalid('Email address is not unique', form_fields,
state, error_dict=error)
def _check_user_email(email_address, user_id):
try:
user_by_email = User.by_email_address(email_address)
except NoResultFound: # Email not being used
pass
else:
#raise ValueError
user_by_id = User.by_id(user_id)
if user_by_id != user_by_email: # An existing email that is not theirs
raise ValueError
