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.widget = forms.Textarea(attrs={'id':'editor'})
  34         self.label  = _('content')
  35         self.help_text = u''
  36         self.initial = ''
  37
  38
  39 class QuestionEditorField(EditorField):
  40     def __init__(self, *args, **kwargs):
  41         super(QuestionEditorField, self).__init__(*args, **kwargs)
  42         self.required = not bool(settings.FORM_EMPTY_QUESTION_BODY)
  43
  44
  45     def clean(self, value):
  46         if self.required and (len(value) < settings.FORM_MIN_QUESTION_BODY):
  47             raise forms.ValidationError(_('question content must be at least %s characters') % settings.FORM_MIN_QUESTION_BODY)
  48
  49         return value
  50
  51 class AnswerEditorField(EditorField):
  52     def __init__(self, *args, **kwargs):
  53         super(AnswerEditorField, self).__init__(*args, **kwargs)
  54         self.required = True
  55
  56     def clean(self, value):
  57         if len(value) < settings.FORM_MIN_QUESTION_BODY:
  58             raise forms.ValidationError(_('answer content must be at least %s characters') % settings.FORM_MIN_QUESTION_BODY)
  59
  60         return value
  61
  62
  63 class TagNamesField(forms.CharField):
  64     def __init__(self, user=None, *args, **kwargs):
  65         super(TagNamesField, self).__init__(*args, **kwargs)
  66         self.required = True
  67         self.widget = forms.TextInput(attrs={'size' : 50, 'autocomplete' : 'off'})
  68         self.max_length = 255
  69         self.label  = _('tags')
  70         #self.help_text = _('please use space to separate tags (this enables autocomplete feature)')
  71         self.help_text = _('Tags are short keywords, with no spaces within. At least %(min)s and up to %(max)s tags can be used.') % {
  72             'min': settings.FORM_MIN_NUMBER_OF_TAGS, 'max': settings.FORM_MAX_NUMBER_OF_TAGS
  73         }
  74         self.initial = ''
  75         self.user = user
  76
  77     def clean(self, value):
  78         value = super(TagNamesField, self).clean(value)
  79         data = value.strip().lower()
  80
  81         split_re = re.compile(r'[ ,]+')
  82         list = split_re.split(data)
  83
  84         if len(list) > settings.FORM_MAX_NUMBER_OF_TAGS or len(list) < settings.FORM_MIN_NUMBER_OF_TAGS:
  85             raise forms.ValidationError(_('please use between %(min)s and %(max)s tags') % { 'min': settings.FORM_MIN_NUMBER_OF_TAGS, 'max': settings.FORM_MAX_NUMBER_OF_TAGS})
  86
  87         list_temp = []
  88         tagname_re = re.compile(r'^[\w+\.-]+$', re.UNICODE)
  89         for tag in list:
  90             if len(tag) > settings.FORM_MAX_LENGTH_OF_TAG or len(tag) < settings.FORM_MIN_LENGTH_OF_TAG:
  91                 raise forms.ValidationError(_('please use between %(min)s and %(max)s characters in you tags') % { 'min': settings.FORM_MIN_LENGTH_OF_TAG, 'max': settings.FORM_MAX_LENGTH_OF_TAG})
  92             if not tagname_re.match(tag):
  93                 raise forms.ValidationError(_('please use following characters in tags: letters , numbers, and characters \'.-_\''))
  94             # only keep one same tag
  95             if tag not in list_temp and len(tag.strip()) > 0:
  96                 list_temp.append(tag)
  97
  98         if settings.LIMIT_TAG_CREATION and not self.user.can_create_tags():
  99             existent = Tag.objects.filter(name__in=list_temp).values_list('name', flat=True)
 100
 101             if len(existent) < len(list_temp):
 102                 unexistent = [n for n in list_temp if not n in existent]
 103                 raise forms.ValidationError(_("You don't have enough reputation to create new tags. The following tags do not exist yet: %s") %
 104                         ', '.join(unexistent))
 105
 106
 107         return u' '.join(list_temp)
 108
 109 class WikiField(forms.BooleanField):
 110     def __init__(self, disabled=False, *args, **kwargs):
 111         super(WikiField, self).__init__(*args, **kwargs)
 112         self.required = False
 113         self.label  = _('community wiki')
 114         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')
 115         if disabled:
 116             self.widget=forms.CheckboxInput(attrs={'disabled': "disabled"})
 117     def clean(self,value):
 118         return value
 119
 120 class EmailNotifyField(forms.BooleanField):
 121     def __init__(self, *args, **kwargs):
 122         super(EmailNotifyField, self).__init__(*args, **kwargs)
 123         self.required = False
 124         self.widget.attrs['class'] = 'nomargin'
 125
 126 class SummaryField(forms.CharField):
 127     def __init__(self, *args, **kwargs):
 128         super(SummaryField, self).__init__(*args, **kwargs)
 129         self.required = False
 130         self.widget = forms.TextInput(attrs={'size' : 50, 'autocomplete' : 'off'})
 131         self.max_length = 300
 132         self.label  = _('update summary:')
 133         self.help_text = _('enter a brief summary of your revision (e.g. fixed spelling, grammar, improved style, this field is optional)')
 134
 135
 136 class FeedbackForm(forms.Form):
 137     name = forms.CharField(label=_('Your name:'), required=False)
 138     email = forms.EmailField(label=_('Email (not shared with anyone):'), required=False)
 139     message = forms.CharField(label=_('Your message:'), max_length=800,widget=forms.Textarea(attrs={'cols':60}))
 140     next = NextUrlField()
 141
 142 class AskForm(forms.Form):
 143     title  = TitleField()
 144     text   = QuestionEditorField()
 145
 146     def __init__(self, data=None, user=None, *args, **kwargs):
 147         super(AskForm, self).__init__(data, *args, **kwargs)
 148
 149         self.fields['tags']   = TagNamesField(user)
 150
 151         if settings.WIKI_ON:
 152             self.fields['wiki'] = WikiField()
 153
 154 class AnswerForm(forms.Form):
 155     text   = AnswerEditorField()
 156     wiki   = WikiField()
 157
 158     def __init__(self, question, *args, **kwargs):
 159         super(AnswerForm, self).__init__(*args, **kwargs)
 160
 161         if settings.WIKI_ON:
 162             self.fields['wiki'] = WikiField()
 163
 164             if question.nis.wiki:
 165                 self.fields['wiki'].initial = True
 166
 167
 168 class RetagQuestionForm(forms.Form):
 169     tags   = TagNamesField()
 170     # initialize the default values
 171     def __init__(self, question, *args, **kwargs):
 172         super(RetagQuestionForm, self).__init__(*args, **kwargs)
 173         self.fields['tags'].initial = question.tagnames
 174
 175 class RevisionForm(forms.Form):
 176     """
 177     Lists revisions of a Question or Answer
 178     """
 179     revision = forms.ChoiceField(widget=forms.Select(attrs={'style' : 'width:520px'}))
 180
 181     def __init__(self, post, *args, **kwargs):
 182         super(RevisionForm, self).__init__(*args, **kwargs)
 183
 184         revisions = post.revisions.all().values_list(
 185             'revision', 'author__username', 'revised_at', 'summary')
 186         date_format = '%c'
 187         self.fields['revision'].choices = [
 188             (r[0], u'%s - %s (%s) %s' % (r[0], r[1], r[2].strftime(date_format), r[3]))
 189             for r in revisions]
 190
 191         self.fields['revision'].initial = post.active_revision.revision
 192
 193 class EditQuestionForm(forms.Form):
 194     title  = TitleField()
 195     text   = QuestionEditorField()
 196     summary = SummaryField()
 197
 198     def __init__(self, question, user, revision=None, *args, **kwargs):
 199         super(EditQuestionForm, self).__init__(*args, **kwargs)
 200
 201         if revision is None:
 202             revision = question.active_revision
 203
 204         self.fields['title'].initial = revision.title
 205         self.fields['text'].initial = revision.body
 206
 207         self.fields['tags'] = TagNamesField(user)
 208         self.fields['tags'].initial = revision.tagnames
 209
 210         if settings.WIKI_ON:
 211             self.fields['wiki'] = WikiField(disabled=(question.nis.wiki and not user.can_cancel_wiki(question)), initial=question.nis.wiki)
 212
 213 class EditAnswerForm(forms.Form):
 214     text = AnswerEditorField()
 215     summary = SummaryField()
 216
 217     def __init__(self, answer, user, revision=None, *args, **kwargs):
 218         super(EditAnswerForm, self).__init__(*args, **kwargs)
 219
 220         if revision is None:
 221             revision = answer.active_revision
 222
 223         self.fields['text'].initial = revision.body
 224
 225         if settings.WIKI_ON:
 226             self.fields['wiki'] = WikiField(disabled=(answer.nis.wiki and not user.can_cancel_wiki(answer)), initial=answer.nis.wiki)
 227
 228 class EditUserForm(forms.Form):
 229     email = forms.EmailField(label=u'Email', help_text=_('this email does not have to be linked to gravatar'), required=True, max_length=75, widget=forms.TextInput(attrs={'size' : 35}))
 230     realname = forms.CharField(label=_('Real name'), required=False, max_length=255, widget=forms.TextInput(attrs={'size' : 35}))
 231     website = forms.URLField(label=_('Website'), required=False, max_length=255, widget=forms.TextInput(attrs={'size' : 35}))
 232     city = forms.CharField(label=_('Location'), required=False, max_length=255, widget=forms.TextInput(attrs={'size' : 35}))
 233     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}))
 234     about = forms.CharField(label=_('Profile'), required=False, widget=forms.Textarea(attrs={'cols' : 60}))
 235
 236     def __init__(self, user, *args, **kwargs):
 237         super(EditUserForm, self).__init__(*args, **kwargs)
 238         if settings.EDITABLE_SCREEN_NAME:
 239             self.fields['username'] = UserNameField(label=_('Screen name'))
 240             self.fields['username'].initial = user.username
 241             self.fields['username'].user_instance = user
 242         self.fields['email'].initial = user.email
 243         self.fields['realname'].initial = user.real_name
 244         self.fields['website'].initial = user.website
 245         self.fields['city'].initial = user.location
 246
 247         if user.date_of_birth is not None:
 248             self.fields['birthday'].initial = user.date_of_birth
 249         else:
 250             self.fields['birthday'].initial = '1990-01-01'
 251         self.fields['about'].initial = user.about
 252         self.user = user
 253
 254     def clean_email(self):
 255         if self.user.email != self.cleaned_data['email']:
 256             if settings.EMAIL_UNIQUE == True:
 257                 if 'email' in self.cleaned_data:
 258                     try:
 259                         User.objects.get(email = self.cleaned_data['email'])
 260                     except User.DoesNotExist:
 261                         return self.cleaned_data['email']
 262                     except User.MultipleObjectsReturned:
 263                         logging.error("Found multiple users sharing the same email: %s" % self.cleaned_data['email'])
 264
 265                     raise forms.ValidationError(_('this email has already been registered, please use another one'))
 266         return self.cleaned_data['email']
 267
 268 NOTIFICATION_CHOICES = (
 269     ('i', _('Instantly')),
 270     ('d', _('Daily')),
 271     ('w', _('Weekly')),
 272     ('n', _('No notifications')),
 273 )
 274
 275 class SubscriptionSettingsForm(forms.Form):
 276     member_joins = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 277     new_question = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 278     new_question_watched_tags = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 279     subscribed_questions = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 280
 281     all_questions = forms.BooleanField(required=False, initial=False)
 282     all_questions_watched_tags = forms.BooleanField(required=False, initial=False)
 283     questions_asked = forms.BooleanField(required=False, initial=False)
 284     questions_answered = forms.BooleanField(required=False, initial=False)
 285     questions_commented = forms.BooleanField(required=False, initial=False)
 286     questions_viewed = forms.BooleanField(required=False, initial=False)
 287
 288     notify_answers = forms.BooleanField(required=False, initial=False)
 289     notify_reply_to_comments = forms.BooleanField(required=False, initial=False)
 290     notify_comments_own_post = forms.BooleanField(required=False, initial=False)
 291     notify_comments = forms.BooleanField(required=False, initial=False)
 292     notify_accepted = forms.BooleanField(required=False, initial=False)
 293