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
   7 from django.utils.encoding import smart_unicode
   8 from general import NextUrlField, UserNameField
   9
  10 from forum import settings
  11
  12 from forum.modules import call_all_handlers
  13
  14 import logging
  15
  16 class TitleField(forms.CharField):
  17     def __init__(self, *args, **kwargs):
  18         super(TitleField, self).__init__(*args, **kwargs)
  19
  20         self.required = True
  21         self.max_length = 255
  22         self.widget = forms.TextInput(attrs={'size' : 70, 'autocomplete' : 'off', 'maxlength' : self.max_length})
  23         self.label  = _('title')
  24         self.help_text = _('please enter a descriptive title for your question')
  25         self.initial = ''
  26
  27     def clean(self, value):
  28         super(TitleField, self).clean(value)
  29
  30         if len(value) < settings.FORM_MIN_QUESTION_TITLE:
  31             raise forms.ValidationError(_('title must be must be at least %s characters') % settings.FORM_MIN_QUESTION_TITLE)
  32
  33         return value
  34
  35 class EditorField(forms.CharField):
  36     def __init__(self, *args, **kwargs):
  37         super(EditorField, self).__init__(*args, **kwargs)
  38
  39         self.widget = forms.Textarea(attrs={'id':'editor'})
  40         self.label  = _('content')
  41         self.help_text = u''
  42         self.initial = ''
  43
  44
  45 class QuestionEditorField(EditorField):
  46     def __init__(self, *args, **kwargs):
  47         super(QuestionEditorField, self).__init__(*args, **kwargs)
  48         self.required = not bool(settings.FORM_EMPTY_QUESTION_BODY)
  49
  50
  51     def clean(self, value):
  52         super(QuestionEditorField, self).clean(value)
  53
  54         if not bool(settings.FORM_EMPTY_QUESTION_BODY) and (len(re.sub('[ ]{2,}', ' ', value)) < settings.FORM_MIN_QUESTION_BODY):
  55             raise forms.ValidationError(_('question content must be at least %s characters') % settings.FORM_MIN_QUESTION_BODY)
  56
  57         return value
  58
  59 class AnswerEditorField(EditorField):
  60     def __init__(self, *args, **kwargs):
  61         super(AnswerEditorField, self).__init__(*args, **kwargs)
  62         self.required = True
  63
  64     def clean(self, value):
  65         super(AnswerEditorField, self).clean(value)
  66
  67         if len(re.sub('[ ]{2,}', ' ', value)) < settings.FORM_MIN_QUESTION_BODY:
  68             raise forms.ValidationError(_('answer content must be at least %s characters') % settings.FORM_MIN_QUESTION_BODY)
  69
  70         return value
  71
  72
  73 class TagNamesField(forms.CharField):
  74     def __init__(self, user=None, *args, **kwargs):
  75         super(TagNamesField, self).__init__(*args, **kwargs)
  76
  77         self.required = True
  78         self.widget = forms.TextInput(attrs={'size' : 50, 'autocomplete' : 'off'})
  79         self.max_length = 255
  80         self.label  = _('tags')
  81         #self.help_text = _('please use space to separate tags (this enables autocomplete feature)')
  82         self.help_text = _('Tags are short keywords, with no spaces within. At least %(min)s and up to %(max)s tags can be used.') % {
  83             'min': settings.FORM_MIN_NUMBER_OF_TAGS, 'max': settings.FORM_MAX_NUMBER_OF_TAGS
  84         }
  85         self.initial = ''
  86         self.user = user
  87
  88     def clean(self, value):
  89         super(TagNamesField, self).clean(value)
  90
  91         value = super(TagNamesField, self).clean(value)
  92         data = value.strip().lower()
  93
  94         split_re = re.compile(r'[ ,]+')
  95         list = {}
  96         for tag in split_re.split(data):
  97             list[tag] = tag
  98
  99         if len(list) > settings.FORM_MAX_NUMBER_OF_TAGS or len(list) < settings.FORM_MIN_NUMBER_OF_TAGS:
 100             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})
 101
 102         list_temp = []
 103         tagname_re = re.compile(r'^[\w+#\.-]+$', re.UNICODE)
 104         for key,tag in list.items():
 105             if len(tag) > settings.FORM_MAX_LENGTH_OF_TAG or len(tag) < settings.FORM_MIN_LENGTH_OF_TAG:
 106                 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})
 107             if not tagname_re.match(tag):
 108                 raise forms.ValidationError(_('please use following characters in tags: letters , numbers, and characters \'.#-_\''))
 109             # only keep one same tag
 110             if tag not in list_temp and len(tag.strip()) > 0:
 111                 list_temp.append(tag)
 112
 113         if settings.LIMIT_TAG_CREATION and not self.user.can_create_tags():
 114             existent = Tag.objects.filter(name__in=list_temp).values_list('name', flat=True)
 115
 116             if len(existent) < len(list_temp):
 117                 unexistent = [n for n in list_temp if not n in existent]
 118                 raise forms.ValidationError(_("You don't have enough reputation to create new tags. The following tags do not exist yet: %s") %
 119                         ', '.join(unexistent))
 120
 121
 122         return u' '.join(list_temp)
 123
 124 class WikiField(forms.BooleanField):
 125     def __init__(self, disabled=False, *args, **kwargs):
 126         super(WikiField, self).__init__(*args, **kwargs)
 127         self.required = False
 128         self.label  = _('community wiki')
 129         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')
 130         if disabled:
 131             self.widget=forms.CheckboxInput(attrs={'disabled': "disabled"})
 132     def clean(self,value):
 133         return value
 134
 135 class EmailNotifyField(forms.BooleanField):
 136     def __init__(self, *args, **kwargs):
 137         super(EmailNotifyField, self).__init__(*args, **kwargs)
 138         self.required = False
 139         self.widget.attrs['class'] = 'nomargin'
 140
 141 class SummaryField(forms.CharField):
 142     def __init__(self, *args, **kwargs):
 143         super(SummaryField, self).__init__(*args, **kwargs)
 144         self.required = False
 145         self.widget = forms.TextInput(attrs={'size' : 50, 'autocomplete' : 'off'})
 146         self.max_length = 300
 147         self.label  = _('update summary:')
 148         self.help_text = _('enter a brief summary of your revision (e.g. fixed spelling, grammar, improved style, this field is optional)')
 149
 150
 151 class FeedbackForm(forms.Form):
 152     message = forms.CharField(label=_('Your message:'), max_length=800,widget=forms.Textarea(attrs={'cols':60}))
 153     next = NextUrlField()
 154
 155     def __init__(self, user, *args, **kwargs):
 156         super(FeedbackForm, self).__init__(*args, **kwargs)
 157         if not user.is_authenticated():
 158             self.fields['name'] = forms.CharField(label=_('Your name:'), required=False)
 159             self.fields['email'] = forms.EmailField(label=_('Email (not shared with anyone):'), required=True)
 160
 161         # Create anti spam fields
 162         spam_fields = call_all_handlers('create_anti_spam_field')
 163         if spam_fields:
 164             spam_fields = dict(spam_fields)
 165             for name, field in spam_fields.items():
 166                 self.fields[name] = field
 167
 168             self._anti_spam_fields = spam_fields.keys()
 169         else:
 170             self._anti_spam_fields = []
 171
 172
 173
 174 class AskForm(forms.Form):
 175     title  = TitleField()
 176     text   = QuestionEditorField()
 177
 178     def __init__(self, data=None, user=None, *args, **kwargs):
 179         super(AskForm, self).__init__(data, *args, **kwargs)
 180
 181         self.fields['tags']   = TagNamesField(user)
 182
 183         if int(user.reputation) < settings.CAPTCHA_IF_REP_LESS_THAN and not (user.is_superuser or user.is_staff):
 184             spam_fields = call_all_handlers('create_anti_spam_field')
 185             if spam_fields:
 186                 spam_fields = dict(spam_fields)
 187                 for name, field in spam_fields.items():
 188                     self.fields[name] = field
 189
 190                 self._anti_spam_fields = spam_fields.keys()
 191             else:
 192                 self._anti_spam_fields = []
 193
 194         if settings.WIKI_ON:
 195             self.fields['wiki'] = WikiField()
 196
 197 class AnswerForm(forms.Form):
 198     text   = AnswerEditorField()
 199     wiki   = WikiField()
 200
 201     def __init__(self, data=None, user=None, *args, **kwargs):
 202         super(AnswerForm, self).__init__(data, *args, **kwargs)
 203
 204         if int(user.reputation) < settings.CAPTCHA_IF_REP_LESS_THAN and not (user.is_superuser or user.is_staff):
 205             spam_fields = call_all_handlers('create_anti_spam_field')
 206             if spam_fields:
 207                 spam_fields = dict(spam_fields)
 208                 for name, field in spam_fields.items():
 209                     self.fields[name] = field
 210
 211                 self._anti_spam_fields = spam_fields.keys()
 212             else:
 213                 self._anti_spam_fields = []
 214
 215         if settings.WIKI_ON:
 216             self.fields['wiki'] = WikiField()
 217
 218 class RetagQuestionForm(forms.Form):
 219     tags   = TagNamesField()
 220     # initialize the default values
 221     def __init__(self, question, *args, **kwargs):
 222         super(RetagQuestionForm, self).__init__(*args, **kwargs)
 223         self.fields['tags'].initial = question.tagnames
 224
 225 class RevisionForm(forms.Form):
 226     """
 227     Lists revisions of a Question or Answer
 228     """
 229     revision = forms.ChoiceField(widget=forms.Select(attrs={'style' : 'width:520px'}))
 230
 231     def __init__(self, post, *args, **kwargs):
 232         super(RevisionForm, self).__init__(*args, **kwargs)
 233
 234         revisions = post.revisions.all().values_list('revision', 'author__username', 'revised_at', 'summary').order_by('-revised_at')
 235
 236         date_format = '%c'
 237         self.fields['revision'].choices = [
 238             (r[0], u'%s - %s (%s) %s' % (r[0], smart_unicode(r[1]), r[2].strftime(date_format), r[3]))
 239             for r in revisions]
 240
 241         self.fields['revision'].initial = post.active_revision.revision
 242
 243 class EditQuestionForm(forms.Form):
 244     title  = TitleField()
 245     text   = QuestionEditorField()
 246     summary = SummaryField()
 247
 248     def __init__(self, question, user, revision=None, *args, **kwargs):
 249         super(EditQuestionForm, self).__init__(*args, **kwargs)
 250
 251         if revision is None:
 252             revision = question.active_revision
 253
 254         self.fields['title'].initial = revision.title
 255         self.fields['text'].initial = revision.body
 256
 257         self.fields['tags'] = TagNamesField(user)
 258         self.fields['tags'].initial = revision.tagnames
 259
 260         if int(user.reputation) < settings.CAPTCHA_IF_REP_LESS_THAN and not (user.is_superuser or user.is_staff):
 261             spam_fields = call_all_handlers('create_anti_spam_field')
 262             if spam_fields:
 263                 spam_fields = dict(spam_fields)
 264                 for name, field in spam_fields.items():
 265                     self.fields[name] = field
 266
 267                 self._anti_spam_fields = spam_fields.keys()
 268             else:
 269                 self._anti_spam_fields = []
 270
 271         if settings.WIKI_ON:
 272             self.fields['wiki'] = WikiField(disabled=(question.nis.wiki and not user.can_cancel_wiki(question)), initial=question.nis.wiki)
 273
 274 class EditAnswerForm(forms.Form):
 275     text = AnswerEditorField()
 276     summary = SummaryField()
 277
 278     def __init__(self, answer, user, revision=None, *args, **kwargs):
 279         super(EditAnswerForm, self).__init__(*args, **kwargs)
 280
 281         if revision is None:
 282             revision = answer.active_revision
 283
 284         self.fields['text'].initial = revision.body
 285
 286         if int(user.reputation) < settings.CAPTCHA_IF_REP_LESS_THAN and not (user.is_superuser or user.is_staff):
 287             spam_fields = call_all_handlers('create_anti_spam_field')
 288             if spam_fields:
 289                 spam_fields = dict(spam_fields)
 290                 for name, field in spam_fields.items():
 291                     self.fields[name] = field
 292
 293                 self._anti_spam_fields = spam_fields.keys()
 294             else:
 295                 self._anti_spam_fields = []
 296
 297         if settings.WIKI_ON:
 298             self.fields['wiki'] = WikiField(disabled=(answer.nis.wiki and not user.can_cancel_wiki(answer)), initial=answer.nis.wiki)
 299
 300 class EditUserForm(forms.Form):
 301     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}))
 302     realname = forms.CharField(label=_('Real name'), required=False, max_length=255, widget=forms.TextInput(attrs={'size' : 35}))
 303     website = forms.URLField(label=_('Website'), required=False, max_length=255, widget=forms.TextInput(attrs={'size' : 35}))
 304     city = forms.CharField(label=_('Location'), required=False, max_length=255, widget=forms.TextInput(attrs={'size' : 35}))
 305     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}))
 306     about = forms.CharField(label=_('Profile'), required=False, widget=forms.Textarea(attrs={'cols' : 60}))
 307
 308     def __init__(self, user, *args, **kwargs):
 309         super(EditUserForm, self).__init__(*args, **kwargs)
 310         if settings.EDITABLE_SCREEN_NAME:
 311             self.fields['username'] = UserNameField(label=_('Screen name'))
 312             self.fields['username'].initial = user.username
 313             self.fields['username'].user_instance = user
 314         self.fields['email'].initial = user.email
 315         self.fields['realname'].initial = user.real_name
 316         self.fields['website'].initial = user.website
 317         self.fields['city'].initial = user.location
 318
 319         if user.date_of_birth is not None:
 320             self.fields['birthday'].initial = user.date_of_birth
 321
 322         self.fields['about'].initial = user.about
 323         self.user = user
 324
 325     def clean_email(self):
 326         if self.user.email != self.cleaned_data['email']:
 327             if settings.EMAIL_UNIQUE:
 328                 if 'email' in self.cleaned_data:
 329                     from forum.models import User
 330                     try:
 331                         User.objects.get(email = self.cleaned_data['email'])
 332                     except User.DoesNotExist:
 333                         return self.cleaned_data['email']
 334                     except User.MultipleObjectsReturned:
 335                         logging.error("Found multiple users sharing the same email: %s" % self.cleaned_data['email'])
 336
 337                     raise forms.ValidationError(_('this email has already been registered, please use another one'))
 338         return self.cleaned_data['email']
 339
 340
 341 NOTIFICATION_CHOICES = (
 342     ('i', _('Instantly')),
 343     #('d', _('Daily')),
 344     #('w', _('Weekly')),
 345     ('n', _('No notifications')),
 346 )
 347
 348 class SubscriptionSettingsForm(forms.ModelForm):
 349     enable_notifications = forms.BooleanField(widget=forms.HiddenInput, required=False)
 350     member_joins = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 351     new_question = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 352     new_question_watched_tags = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 353     subscribed_questions = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 354
 355     class Meta:
 356         model = SubscriptionSettings
 357
 358 class UserPreferencesForm(forms.Form):
 359     sticky_sorts = forms.BooleanField(required=False, initial=False)
 360
 361
 362