forum/forms.py

   1 import re
   2 from datetime import date
   3 from django import forms
   4 from models import *
   5 from const import *
   6 from django.utils.translation import ugettext as _
   7 from forum.models import User
   8 from django.contrib.contenttypes.models import ContentType
   9 from django.utils.safestring import mark_safe
  10 from forum.utils.forms import NextUrlField, UserNameField, SetPasswordForm
  11 from django.conf import settings
  12 from django.contrib.contenttypes.models import ContentType
  13 import logging
  14
  15 class TitleField(forms.CharField):
  16     def __init__(self, *args, **kwargs):
  17         super(TitleField, self).__init__(*args, **kwargs)
  18         self.required = True
  19         self.widget = forms.TextInput(attrs={'size' : 70, 'autocomplete' : 'off'})
  20         self.max_length = 255
  21         self.label  = _('title')
  22         self.help_text = _('please enter a descriptive title for your question')
  23         self.initial = ''
  24
  25     def clean(self, value):
  26         if len(value) < settings.FORM_MIN_QUESTION_TITLE:
  27             raise forms.ValidationError(_('title must be must be at least %s characters' % settings.FORM_MIN_QUESTION_TITLE))
  28
  29         return value
  30
  31 class EditorField(forms.CharField):
  32     def __init__(self, *args, **kwargs):
  33         super(EditorField, self).__init__(*args, **kwargs)
  34         self.required = True
  35         self.widget = forms.Textarea(attrs={'id':'editor'})
  36         self.label  = _('content')
  37         self.help_text = u''
  38         self.initial = ''
  39
  40     def clean(self, value):
  41         if len(value) < settings.FORM_MIN_QUESTION_BODY and not settings.FORM_EMPTEY_QUESTION_BODY:
  42             raise forms.ValidationError(_('question content must be must be at least %s characters' % settings.FORM_MIN_QUESTION_BODY))
  43
  44         return value
  45
  46 class TagNamesField(forms.CharField):
  47     def __init__(self, *args, **kwargs):
  48         super(TagNamesField, self).__init__(*args, **kwargs)
  49         self.required = True
  50         self.widget = forms.TextInput(attrs={'size' : 50, 'autocomplete' : 'off'})
  51         self.max_length = 255
  52         self.label  = _('tags')
  53         #self.help_text = _('please use space to separate tags (this enables autocomplete feature)')
  54         self.help_text = _('Tags are short keywords, with no spaces within. Up to five tags can be used.')
  55         self.initial = ''
  56
  57     def clean(self, value):
  58         value = super(TagNamesField, self).clean(value)
  59         data = value.strip()
  60         if len(data) < 1:
  61             raise forms.ValidationError(_('tags are required'))
  62
  63         split_re = re.compile(r'[ ,]+')
  64         list = split_re.split(data)
  65         list_temp = []
  66         if len(list) > 5:
  67             raise forms.ValidationError(_('please use 5 tags or less'))
  68
  69         tagname_re = re.compile(r'[a-z0-9]+')
  70         for tag in list:
  71             if len(tag) > 20:
  72                 raise forms.ValidationError(_('tags must be shorter than 20 characters'))
  73             if not tagname_re.match(tag):
  74                 raise forms.ValidationError(_('please use following characters in tags: letters \'a-z\', numbers, and characters \'.-_#\''))
  75             # only keep one same tag
  76             if tag not in list_temp and len(tag.strip()) > 0:
  77                 list_temp.append(tag)
  78         return u' '.join(list_temp)
  79
  80 class WikiField(forms.BooleanField):
  81     def __init__(self, *args, **kwargs):
  82         super(WikiField, self).__init__(*args, **kwargs)
  83         self.required = False
  84         self.label  = _('community wiki')
  85         self.help_text = _('if you choose community wiki option, the question and answer do not generate points and name of author will not be shown')
  86     def clean(self,value):
  87         return value and settings.WIKI_ON
  88
  89 class EmailNotifyField(forms.BooleanField):
  90     def __init__(self, *args, **kwargs):
  91         super(EmailNotifyField, self).__init__(*args, **kwargs)
  92         self.required = False
  93         self.widget.attrs['class'] = 'nomargin'
  94
  95 class SummaryField(forms.CharField):
  96     def __init__(self, *args, **kwargs):
  97         super(SummaryField, self).__init__(*args, **kwargs)
  98         self.required = False
  99         self.widget = forms.TextInput(attrs={'size' : 50, 'autocomplete' : 'off'})
 100         self.max_length = 300
 101         self.label  = _('update summary:')
 102         self.help_text = _('enter a brief summary of your revision (e.g. fixed spelling, grammar, improved style, this field is optional)')
 103
 104 class ModerateUserForm(forms.ModelForm):
 105     is_approved = forms.BooleanField(label=_("Automatically accept user's contributions for the email updates"),
 106                                      required=False)
 107
 108     def clean_is_approved(self):
 109         if 'is_approved' not in self.cleaned_data:
 110             self.cleaned_data['is_approved'] = False
 111         return self.cleaned_data['is_approved']
 112
 113     class Meta:
 114         model = User
 115         fields = ('is_approved',)
 116
 117 class FeedbackForm(forms.Form):
 118     name = forms.CharField(label=_('Your name:'), required=False)
 119     email = forms.EmailField(label=_('Email (not shared with anyone):'), required=False)
 120     message = forms.CharField(label=_('Your message:'), max_length=800,widget=forms.Textarea(attrs={'cols':60}))
 121     next = NextUrlField()
 122
 123 class AskForm(forms.Form):
 124     title  = TitleField()
 125     text   = EditorField()
 126     tags   = TagNamesField()
 127     wiki = WikiField()
 128
 129
 130 class AnswerForm(forms.Form):
 131     text   = EditorField()
 132     wiki   = WikiField()
 133
 134     def __init__(self, question, *args, **kwargs):
 135         super(AnswerForm, self).__init__(*args, **kwargs)
 136
 137         if question.wiki and settings.WIKI_ON:
 138             self.fields['wiki'].initial = True
 139
 140
 141 class CloseForm(forms.Form):
 142     reason = forms.ChoiceField(choices=CLOSE_REASONS)
 143
 144 class RetagQuestionForm(forms.Form):
 145     tags   = TagNamesField()
 146     # initialize the default values
 147     def __init__(self, question, *args, **kwargs):
 148         super(RetagQuestionForm, self).__init__(*args, **kwargs)
 149         self.fields['tags'].initial = question.tagnames
 150
 151 class RevisionForm(forms.Form):
 152     """
 153     Lists revisions of a Question or Answer
 154     """
 155     revision = forms.ChoiceField(widget=forms.Select(attrs={'style' : 'width:520px'}))
 156
 157     def __init__(self, post, *args, **kwargs):
 158         super(RevisionForm, self).__init__(*args, **kwargs)
 159
 160         revisions = post.revisions.all().values_list(
 161             'revision', 'author__username', 'revised_at', 'summary')
 162         date_format = '%c'
 163         self.fields['revision'].choices = [
 164             (r[0], u'%s - %s (%s) %s' % (r[0], r[1], r[2].strftime(date_format), r[3]))
 165             for r in revisions]
 166
 167         self.fields['revision'].initial = post.active_revision.revision
 168
 169 class EditQuestionForm(forms.Form):
 170     title  = TitleField()
 171     text   = EditorField()
 172     tags   = TagNamesField()
 173     summary = SummaryField()
 174
 175     def __init__(self, question, revision=None, *args, **kwargs):
 176         super(EditQuestionForm, self).__init__(*args, **kwargs)
 177
 178         if revision is None:
 179             revision = question.active_revision
 180
 181         self.fields['title'].initial = revision.title
 182         self.fields['text'].initial = revision.body
 183         self.fields['tags'].initial = revision.tagnames
 184
 185         # Once wiki mode is enabled, it can't be disabled
 186         if not question.wiki:
 187             self.fields['wiki'] = WikiField()
 188
 189 class EditAnswerForm(forms.Form):
 190     text = EditorField()
 191     summary = SummaryField()
 192
 193     def __init__(self, answer, revision=None, *args, **kwargs):
 194         super(EditAnswerForm, self).__init__(*args, **kwargs)
 195
 196         if revision is None:
 197             revision = answer.active_revision
 198
 199         self.fields['text'].initial = revision.body
 200
 201 class EditUserForm(forms.Form):
 202     email = forms.EmailField(label=u'Email', help_text=_('this email does not have to be linked to gravatar'), required=True, max_length=255, widget=forms.TextInput(attrs={'size' : 35}))
 203     if settings.EDITABLE_SCREEN_NAME:
 204         username = UserNameField(label=_('Screen name'))
 205     realname = forms.CharField(label=_('Real name'), required=False, max_length=255, widget=forms.TextInput(attrs={'size' : 35}))
 206     website = forms.URLField(label=_('Website'), required=False, max_length=255, widget=forms.TextInput(attrs={'size' : 35}))
 207     city = forms.CharField(label=_('Location'), required=False, max_length=255, widget=forms.TextInput(attrs={'size' : 35}))
 208     birthday = forms.DateField(label=_('Date of birth'), help_text=_('will not be shown, used to calculate age, format: YYYY-MM-DD'), required=False, widget=forms.TextInput(attrs={'size' : 35}))
 209     about = forms.CharField(label=_('Profile'), required=False, widget=forms.Textarea(attrs={'cols' : 60}))
 210
 211     def __init__(self, user, *args, **kwargs):
 212         super(EditUserForm, self).__init__(*args, **kwargs)
 213         logging.debug('initializing the form')
 214         if settings.EDITABLE_SCREEN_NAME:
 215             self.fields['username'].initial = user.username
 216             self.fields['username'].user_instance = user
 217         self.fields['email'].initial = user.email
 218         self.fields['realname'].initial = user.real_name
 219         self.fields['website'].initial = user.website
 220         self.fields['city'].initial = user.location
 221
 222         if user.date_of_birth is not None:
 223             self.fields['birthday'].initial = user.date_of_birth
 224         else:
 225             self.fields['birthday'].initial = '1990-01-01'
 226         self.fields['about'].initial = user.about
 227         self.user = user
 228
 229     def clean_email(self):
 230         """For security reason one unique email in database"""
 231         if self.user.email != self.cleaned_data['email']:
 232             #todo dry it, there is a similar thing in openidauth
 233             if settings.EMAIL_UNIQUE == True:
 234                 if 'email' in self.cleaned_data:
 235                     try:
 236                         user = User.objects.get(email = self.cleaned_data['email'])
 237                     except User.DoesNotExist:
 238                         return self.cleaned_data['email']
 239                     except User.MultipleObjectsReturned:
 240                         raise forms.ValidationError(_('this email has already been registered, please use another one'))
 241                     raise forms.ValidationError(_('this email has already been registered, please use another one'))
 242         return self.cleaned_data['email']
 243
 244
 245 class SubscriptionSettingsForm(forms.Form):
 246     member_joins = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 247     new_question = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 248     new_question_watched_tags = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 249     subscribed_questions = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 250
 251     all_questions = forms.BooleanField(required=False, initial=False)
 252     all_questions_watched_tags = forms.BooleanField(required=False, initial=False)
 253     questions_asked = forms.BooleanField(required=False, initial=False)
 254     questions_answered = forms.BooleanField(required=False, initial=False)
 255     questions_commented = forms.BooleanField(required=False, initial=False)
 256     questions_viewed = forms.BooleanField(required=False, initial=False)
 257
 258     notify_answers = forms.BooleanField(required=False, initial=False)
 259     notify_reply_to_comments = forms.BooleanField(required=False, initial=False)
 260     notify_comments_own_post = forms.BooleanField(required=False, initial=False)
 261     notify_comments = forms.BooleanField(required=False, initial=False)
 262     notify_accepted = forms.BooleanField(required=False, initial=False)
 263