forum/forms/qanda.py

   1 import re
   2 from datetime import date
   3 from django import forms
   4 from forum.models import *
   5 from django.utils.translation import ugettext as _
   6 from django.contrib.humanize.templatetags.humanize import apnumber
   7
   8 from django.utils.encoding import smart_unicode
   9 from django.utils.safestring import mark_safe
  10 from general import NextUrlField, UserNameField, SetPasswordForm
  11
  12 from forum import settings
  13
  14 from forum.modules import call_all_handlers
  15
  16 import logging
  17
  18 class TitleField(forms.CharField):
  19     def __init__(self, *args, **kwargs):
  20         super(TitleField, self).__init__(*args, **kwargs)
  21         self.required = True
  22         self.max_length = 255
  23         self.widget = forms.TextInput(attrs={'size' : 70, 'autocomplete' : 'off', 'maxlength' : self.max_length})
  24         self.label  = _('title')
  25         self.help_text = _('please enter a descriptive title for your question')
  26         self.initial = ''
  27
  28     def clean(self, value):
  29         if len(value) < settings.FORM_MIN_QUESTION_TITLE:
  30             raise forms.ValidationError(_('title must be must be at least %s characters') % settings.FORM_MIN_QUESTION_TITLE)
  31
  32         return value
  33
  34 class EditorField(forms.CharField):
  35     def __init__(self, *args, **kwargs):
  36         super(EditorField, self).__init__(*args, **kwargs)
  37         self.widget = forms.Textarea(attrs={'id':'editor'})
  38         self.label  = _('content')
  39         self.help_text = u''
  40         self.initial = ''
  41
  42
  43 class QuestionEditorField(EditorField):
  44     def __init__(self, *args, **kwargs):
  45         super(QuestionEditorField, self).__init__(*args, **kwargs)
  46         self.required = not bool(settings.FORM_EMPTY_QUESTION_BODY)
  47
  48
  49     def clean(self, value):
  50         if not bool(settings.FORM_EMPTY_QUESTION_BODY) and (len(re.sub('[ ]{2,}', ' ', value)) < settings.FORM_MIN_QUESTION_BODY):
  51             raise forms.ValidationError(_('question content must be at least %s characters') % settings.FORM_MIN_QUESTION_BODY)
  52
  53         return value
  54
  55 class AnswerEditorField(EditorField):
  56     def __init__(self, *args, **kwargs):
  57         super(AnswerEditorField, self).__init__(*args, **kwargs)
  58         self.required = True
  59
  60     def clean(self, value):
  61         if len(re.sub('[ ]{2,}', ' ', value)) < settings.FORM_MIN_QUESTION_BODY:
  62             raise forms.ValidationError(_('answer content must be at least %s characters') % settings.FORM_MIN_QUESTION_BODY)
  63
  64         return value
  65
  66
  67 class TagNamesField(forms.CharField):
  68     def __init__(self, user=None, *args, **kwargs):
  69         super(TagNamesField, self).__init__(*args, **kwargs)
  70         self.required = True
  71         self.widget = forms.TextInput(attrs={'size' : 50, 'autocomplete' : 'off'})
  72         self.max_length = 255
  73         self.label  = _('tags')
  74         #self.help_text = _('please use space to separate tags (this enables autocomplete feature)')
  75         self.help_text = _('Tags are short keywords, with no spaces within. At least %(min)s and up to %(max)s tags can be used.') % {
  76             'min': settings.FORM_MIN_NUMBER_OF_TAGS, 'max': settings.FORM_MAX_NUMBER_OF_TAGS
  77         }
  78         self.initial = ''
  79         self.user = user
  80
  81     def clean(self, value):
  82         value = super(TagNamesField, self).clean(value)
  83         data = value.strip().lower()
  84
  85         split_re = re.compile(r'[ ,]+')
  86         list = {}
  87         for tag in split_re.split(data):
  88             list[tag] = tag
  89
  90         if len(list) > settings.FORM_MAX_NUMBER_OF_TAGS or len(list) < settings.FORM_MIN_NUMBER_OF_TAGS:
  91             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})
  92
  93         list_temp = []
  94         tagname_re = re.compile(r'^[\w+\.-]+$', re.UNICODE)
  95         for key,tag in list.items():
  96             if len(tag) > settings.FORM_MAX_LENGTH_OF_TAG or len(tag) < settings.FORM_MIN_LENGTH_OF_TAG:
  97                 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})
  98             if not tagname_re.match(tag):
  99                 raise forms.ValidationError(_('please use following characters in tags: letters , numbers, and characters \'.-_\''))
 100             # only keep one same tag
 101             if tag not in list_temp and len(tag.strip()) > 0:
 102                 list_temp.append(tag)
 103
 104         if settings.LIMIT_TAG_CREATION and not self.user.can_create_tags():
 105             existent = Tag.objects.filter(name__in=list_temp).values_list('name', flat=True)
 106
 107             if len(existent) < len(list_temp):
 108                 unexistent = [n for n in list_temp if not n in existent]
 109                 raise forms.ValidationError(_("You don't have enough reputation to create new tags. The following tags do not exist yet: %s") %
 110                         ', '.join(unexistent))
 111
 112
 113         return u' '.join(list_temp)
 114
 115 class WikiField(forms.BooleanField):
 116     def __init__(self, disabled=False, *args, **kwargs):
 117         super(WikiField, self).__init__(*args, **kwargs)
 118         self.required = False
 119         self.label  = _('community wiki')
 120         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')
 121         if disabled:
 122             self.widget=forms.CheckboxInput(attrs={'disabled': "disabled"})
 123     def clean(self,value):
 124         return value
 125
 126 class EmailNotifyField(forms.BooleanField):
 127     def __init__(self, *args, **kwargs):
 128         super(EmailNotifyField, self).__init__(*args, **kwargs)
 129         self.required = False
 130         self.widget.attrs['class'] = 'nomargin'
 131
 132 class SummaryField(forms.CharField):
 133     def __init__(self, *args, **kwargs):
 134         super(SummaryField, self).__init__(*args, **kwargs)
 135         self.required = False
 136         self.widget = forms.TextInput(attrs={'size' : 50, 'autocomplete' : 'off'})
 137         self.max_length = 300
 138         self.label  = _('update summary:')
 139         self.help_text = _('enter a brief summary of your revision (e.g. fixed spelling, grammar, improved style, this field is optional)')
 140
 141
 142 class FeedbackForm(forms.Form):
 143     message = forms.CharField(label=_('Your message:'), max_length=800,widget=forms.Textarea(attrs={'cols':60}))
 144     next = NextUrlField()
 145
 146     def __init__(self, user, *args, **kwargs):
 147         super(FeedbackForm, self).__init__(*args, **kwargs)
 148         if not user.is_authenticated():
 149             self.fields['name'] = forms.CharField(label=_('Your name:'), required=False)
 150             self.fields['email'] = forms.EmailField(label=_('Email (not shared with anyone):'), required=True)
 151
 152
 153
 154 class AskForm(forms.Form):
 155     title  = TitleField()
 156     text   = QuestionEditorField()
 157
 158     def __init__(self, data=None, user=None, *args, **kwargs):
 159         super(AskForm, self).__init__(data, *args, **kwargs)
 160
 161         self.fields['tags']   = TagNamesField(user)
 162
 163         if int(user.reputation) < settings.CAPTCHA_IF_REP_LESS_THAN and not (user.is_superuser or user.is_staff):
 164             spam_fields = call_all_handlers('create_anti_spam_field')
 165             if spam_fields:
 166                 spam_fields = dict(spam_fields)
 167                 for name, field in spam_fields.items():
 168                     self.fields[name] = field
 169
 170                 self._anti_spam_fields = spam_fields.keys()
 171             else:
 172                 self._anti_spam_fields = []
 173
 174         if settings.WIKI_ON:
 175             self.fields['wiki'] = WikiField()
 176
 177 class AnswerForm(forms.Form):
 178     text   = AnswerEditorField()
 179     wiki   = WikiField()
 180
 181     def __init__(self, data=None, user=None, *args, **kwargs):
 182         super(AnswerForm, self).__init__(data, *args, **kwargs)
 183
 184         if int(user.reputation) < settings.CAPTCHA_IF_REP_LESS_THAN and not (user.is_superuser or user.is_staff):
 185             spam_fields = call_all_handlers('create_anti_spam_field')
 186             if spam_fields:
 187                 spam_fields = dict(spam_fields)
 188                 for name, field in spam_fields.items():
 189                     self.fields[name] = field
 190
 191                 self._anti_spam_fields = spam_fields.keys()
 192             else:
 193                 self._anti_spam_fields = []
 194
 195         if settings.WIKI_ON:
 196             self.fields['wiki'] = WikiField()
 197
 198 class RetagQuestionForm(forms.Form):
 199     tags   = TagNamesField()
 200     # initialize the default values
 201     def __init__(self, question, *args, **kwargs):
 202         super(RetagQuestionForm, self).__init__(*args, **kwargs)
 203         self.fields['tags'].initial = question.tagnames
 204
 205 class RevisionForm(forms.Form):
 206     """
 207     Lists revisions of a Question or Answer
 208     """
 209     revision = forms.ChoiceField(widget=forms.Select(attrs={'style' : 'width:520px'}))
 210
 211     def __init__(self, post, *args, **kwargs):
 212         super(RevisionForm, self).__init__(*args, **kwargs)
 213
 214         revisions = post.revisions.all().values_list('revision', 'author__username', 'revised_at', 'summary').order_by('-revised_at')
 215
 216         date_format = '%c'
 217         self.fields['revision'].choices = [
 218             (r[0], u'%s - %s (%s) %s' % (r[0], smart_unicode(r[1]), r[2].strftime(date_format), r[3]))
 219             for r in revisions]
 220
 221         self.fields['revision'].initial = post.active_revision.revision
 222
 223 class EditQuestionForm(forms.Form):
 224     title  = TitleField()
 225     text   = QuestionEditorField()
 226     summary = SummaryField()
 227
 228     def __init__(self, question, user, revision=None, *args, **kwargs):
 229         super(EditQuestionForm, self).__init__(*args, **kwargs)
 230
 231         if revision is None:
 232             revision = question.active_revision
 233
 234         self.fields['title'].initial = revision.title
 235         self.fields['text'].initial = revision.body
 236
 237         self.fields['tags'] = TagNamesField(user)
 238         self.fields['tags'].initial = revision.tagnames
 239
 240         if int(user.reputation) < settings.CAPTCHA_IF_REP_LESS_THAN and not (user.is_superuser or user.is_staff):
 241             spam_fields = call_all_handlers('create_anti_spam_field')
 242             if spam_fields:
 243                 spam_fields = dict(spam_fields)
 244                 for name, field in spam_fields.items():
 245                     self.fields[name] = field
 246
 247                 self._anti_spam_fields = spam_fields.keys()
 248             else:
 249                 self._anti_spam_fields = []
 250
 251         if settings.WIKI_ON:
 252             self.fields['wiki'] = WikiField(disabled=(question.nis.wiki and not user.can_cancel_wiki(question)), initial=question.nis.wiki)
 253
 254 class EditAnswerForm(forms.Form):
 255     text = AnswerEditorField()
 256     summary = SummaryField()
 257
 258     def __init__(self, answer, user, revision=None, *args, **kwargs):
 259         super(EditAnswerForm, self).__init__(*args, **kwargs)
 260
 261         if revision is None:
 262             revision = answer.active_revision
 263
 264         self.fields['text'].initial = revision.body
 265
 266         if int(user.reputation) < settings.CAPTCHA_IF_REP_LESS_THAN and not (user.is_superuser or user.is_staff):
 267             spam_fields = call_all_handlers('create_anti_spam_field')
 268             if spam_fields:
 269                 spam_fields = dict(spam_fields)
 270                 for name, field in spam_fields.items():
 271                     self.fields[name] = field
 272
 273                 self._anti_spam_fields = spam_fields.keys()
 274             else:
 275                 self._anti_spam_fields = []
 276
 277         if settings.WIKI_ON:
 278             self.fields['wiki'] = WikiField(disabled=(answer.nis.wiki and not user.can_cancel_wiki(answer)), initial=answer.nis.wiki)
 279
 280 class EditUserForm(forms.Form):
 281     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}))
 282     realname = forms.CharField(label=_('Real name'), required=False, max_length=255, widget=forms.TextInput(attrs={'size' : 35}))
 283     website = forms.URLField(label=_('Website'), required=False, max_length=255, widget=forms.TextInput(attrs={'size' : 35}))
 284     city = forms.CharField(label=_('Location'), required=False, max_length=255, widget=forms.TextInput(attrs={'size' : 35}))
 285     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}))
 286     about = forms.CharField(label=_('Profile'), required=False, widget=forms.Textarea(attrs={'cols' : 60}))
 287
 288     def __init__(self, user, *args, **kwargs):
 289         super(EditUserForm, self).__init__(*args, **kwargs)
 290         if settings.EDITABLE_SCREEN_NAME:
 291             self.fields['username'] = UserNameField(label=_('Screen name'))
 292             self.fields['username'].initial = user.username
 293             self.fields['username'].user_instance = user
 294         self.fields['email'].initial = user.email
 295         self.fields['realname'].initial = user.real_name
 296         self.fields['website'].initial = user.website
 297         self.fields['city'].initial = user.location
 298
 299         if user.date_of_birth is not None:
 300             self.fields['birthday'].initial = user.date_of_birth
 301
 302         self.fields['about'].initial = user.about
 303         self.user = user
 304
 305     def clean_email(self):
 306         if self.user.email != self.cleaned_data['email']:
 307             if settings.EMAIL_UNIQUE == True:
 308                 if 'email' in self.cleaned_data:
 309                     from forum.models import User
 310                     try:
 311                         User.objects.get(email = self.cleaned_data['email'])
 312                     except User.DoesNotExist:
 313                         return self.cleaned_data['email']
 314                     except User.MultipleObjectsReturned:
 315                         logging.error("Found multiple users sharing the same email: %s" % self.cleaned_data['email'])
 316
 317                     raise forms.ValidationError(_('this email has already been registered, please use another one'))
 318         return self.cleaned_data['email']
 319
 320
 321 NOTIFICATION_CHOICES = (
 322     ('i', _('Instantly')),
 323     #('d', _('Daily')),
 324     #('w', _('Weekly')),
 325     ('n', _('No notifications')),
 326 )
 327
 328 class SubscriptionSettingsForm(forms.ModelForm):
 329     enable_notifications = forms.BooleanField(widget=forms.HiddenInput, required=False)
 330     member_joins = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 331     new_question = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 332     new_question_watched_tags = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 333     subscribed_questions = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 334
 335     class Meta:
 336         model = SubscriptionSettings
 337
 338 class UserPreferencesForm(forms.Form):
 339     sticky_sorts = forms.BooleanField(required=False, initial=False)
 340
 341
 342