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Viewing changes to wiki/forms.py

  • Committer: Holger Rapp
  • Date: 2009-02-20 12:25:18 UTC
  • Revision ID: holgerrapp@gmx.net-20090220122518-feaq34ta973snnct
Imported wikiapp into our repository, because we did some local changes (users must be logged in to edit wiki pages)

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wiki/forms.py
 
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# -*- coding: utf-8 -*-
 
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import re
 
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from django import forms
 
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from django.forms import widgets
 
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from django.contrib.contenttypes.models import ContentType
 
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from django.utils.translation import ugettext_lazy as _
 
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from wiki.models import Article
 
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from wiki.templatetags.wiki import WIKI_WORD_RE
 
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wikiword_pattern = re.compile('^' + WIKI_WORD_RE + '$')
 
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class ArticleForm(forms.ModelForm):
 
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    summary = forms.CharField(widget=forms.Textarea)
 
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    comment = forms.CharField(required=False)
 
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    user_ip = forms.CharField(widget=forms.HiddenInput)
 
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    content_type = forms.ModelChoiceField(
 
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        queryset=ContentType.objects.all(),
 
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        required=False,
 
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        widget=forms.HiddenInput)
 
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    object_id = forms.IntegerField(required=False,
 
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                                   widget=forms.HiddenInput)
 
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    action = forms.CharField(widget=forms.HiddenInput)
 
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    class Meta:
 
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        model = Article
 
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        exclude = ('creator', 'creator_ip',
 
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                   'group', 'created_at', 'last_update')
 
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    def clean_title(self):
 
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        """ Page title must be a WikiWord.
 
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        """
 
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        title = self.cleaned_data['title']
 
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        if not wikiword_pattern.match(title):
 
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            raise forms.ValidationError(_('Must be a WikiWord.'))
 
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        return title
 
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    def clean(self):
 
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        super(ArticleForm, self).clean()
 
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        kw = {}
 
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        if self.cleaned_data['action'] == 'create':
 
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            try:
 
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                kw['title'] = self.cleaned_data['title']
 
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                kw['content_type'] = self.cleaned_data['content_type']
 
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                kw['object_id'] = self.cleaned_data['object_id']
 
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            except KeyError:
 
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                pass # some error in this fields
 
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            else:
 
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                if Article.objects.filter(**kw).count():
 
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                    raise forms.ValidationError(
 
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                        _("An article with this title already exists."))
 
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        return self.cleaned_data
 
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    def save(self):
 
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        # 0 - Extra data
 
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        editor_ip = self.cleaned_data['user_ip']
 
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        comment = self.cleaned_data['comment']
 
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        # 1 - Get the old stuff before saving
 
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        if self.instance.id is None:
 
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            old_title = old_content = old_markup = ''
 
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            new = True
 
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        else:
 
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            old_title = self.instance.title
 
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            old_content = self.instance.content
 
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            old_markup = self.instance.markup
 
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            new = False
 
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        # 2 - Save the Article
 
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        article = super(ArticleForm, self).save()
 
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        # 3 - Set creator and group
 
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        editor = getattr(self, 'editor', None)
 
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        group = getattr(self, 'group', None)
 
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        if new:
 
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            article.creator_ip = editor_ip
 
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            if editor is not None:
 
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                article.creator = editor
 
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                article.group = group
 
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            article.save()
 
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        # 4 - Create new revision
 
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        changeset = article.new_revision(
 
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            old_content, old_title, old_markup,
 
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            comment, editor_ip, editor)
 
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        return article, changeset
 
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class SearchForm(forms.Form):
 
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    search_term = forms.CharField(required=True)