1 #!/usr/bin/python2.5

     2 #

     3 # Copyright 2008 the Melange authors.

     4 #

     5 # Licensed under the Apache License, Version 2.0 (the "License");

     6 # you may not use this file except in compliance with the License.

     7 # You may obtain a copy of the License at

     8 #

     9 #   http://www.apache.org/licenses/LICENSE-2.0

    10 #

    11 # Unless required by applicable law or agreed to in writing, software

    12 # distributed under the License is distributed on an "AS IS" BASIS,

    13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

    14 # See the License for the specific language governing permissions and

    15 # limitations under the License.

    16 

    17 """Generic cleaning methods

    18 """

    19 

    20 __authors__ = [

    21     '"Todd Larsen" <tlarsen@google.com>',

    22     '"Sverre Rabbelier" <sverre@rabbelier.nl>',

    23     ]

    24 

    25 

    26 from django import forms

    27 

    28 from soc.logic import validate

    29 

    30 

    31 def clean_new_link_id(logic):

    32   """Clean method for new link_id's

    33 

    34   Returns a clean method that checks if the specified link_id is

    35   in the proper format, and verifies that the link_id is not already in

    36   in use by another entity of the same type.

    37   """

    38 

    39   def wrapped(self):

    40     link_id = self.cleaned_data.get('link_id')

    41     if not validate.isLinkIdFormatValid(link_id):

    42       raise forms.ValidationError("This link ID is in wrong format.")

    43     if logic.getFromFields(link_id=link_id):

    44       raise forms.ValidationError("This link ID is already in use.")

    45     return link_id

    46 

    47   return wrapped

    48 

    49 

    50 def clean_link_id(self):

    51   link_id = self.cleaned_data.get('link_id')

    52   if not validate.isLinkIdFormatValid(link_id):

    53     raise forms.ValidationError("This link ID is in wrong format.")

    54   return link_id

    55 

    56 

    57 def clean_feed_url(self):

    58   feed_url = self.cleaned_data.get('feed_url')

    59 

    60   if feed_url == '':

    61     # feed url not supplied (which is OK), so do not try to validate it

    62     return None

    63   

    64   if not validate.isFeedURLValid(feed_url):

    65     raise forms.ValidationError('This URL is not a valid ATOM or RSS feed.')

    66 

    67   return feed_url