forum/forms.py

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