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forms: Extract check_subdomain_available.

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This should make it easier to call this check from other code paths.
This commit is contained in:
Tim Abbott
2017-10-03 17:43:55 -07:00
parent f091823fc8
commit 7445493fb3
1 changed files with 19 additions and 15 deletions
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34
zerver/forms.py
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@@ -49,6 +49,24 @@ def email_is_not_mit_mailing_list(email):
else:
raise
def check_subdomain_available(subdomain):
# type: (str) -> None
error_strings = {
'too short': _("Subdomain needs to have length 3 or greater."),
'extremal dash': _("Subdomain cannot start or end with a '-'."),
'bad character': _("Subdomain can only have lowercase letters, numbers, and '-'s."),
'unavailable': _("Subdomain unavailable. Please choose a different one.")}
if len(subdomain) < 3:
raise ValidationError(error_strings['too short'])
if subdomain[0] == '-' or subdomain[-1] == '-':
raise ValidationError(error_strings['extremal dash'])
if not re.match('^[a-z0-9-]*$', subdomain):
raise ValidationError(error_strings['bad character'])
if is_reserved_subdomain(subdomain) or \
get_realm(subdomain) is not None:
raise ValidationError(error_strings['unavailable'])
class RegistrationForm(forms.Form):
MAX_PASSWORD_LENGTH = 100
full_name = forms.CharField(max_length=UserProfile.MAX_NAME_LENGTH)
@@ -81,24 +99,10 @@ class RegistrationForm(forms.Form):
def clean_realm_subdomain(self):
# type: () -> str
error_strings = {
'too short': _("Subdomain needs to have length 3 or greater."),
'extremal dash': _("Subdomain cannot start or end with a '-'."),
'bad character': _("Subdomain can only have lowercase letters, numbers, and '-'s."),
'unavailable': _("Subdomain unavailable. Please choose a different one.")}
subdomain = self.cleaned_data['realm_subdomain']
if not subdomain:
return ''
if len(subdomain) < 3:
raise ValidationError(error_strings['too short'])
if subdomain[0] == '-' or subdomain[-1] == '-':
raise ValidationError(error_strings['extremal dash'])
if not re.match('^[a-z0-9-]*$', subdomain):
raise ValidationError(error_strings['bad character'])
if is_reserved_subdomain(subdomain) or \
get_realm(subdomain) is not None:
raise ValidationError(error_strings['unavailable'])
check_subdomain_available(subdomain)
return subdomain
class ToSForm(forms.Form):