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
 162
 163 class AskForm(forms.Form):
 164     title  = TitleField()
 165     text   = QuestionEditorField()
 166
 167     def __init__(self, data=None, user=None, *args, **kwargs):
 168         super(AskForm, self).__init__(data, *args, **kwargs)
 169
 170         self.fields['tags']   = TagNamesField(user)
 171
 172         if int(user.reputation) < settings.CAPTCHA_IF_REP_LESS_THAN and not (user.is_superuser or user.is_staff):
 173             spam_fields = call_all_handlers('create_anti_spam_field')
 174             if spam_fields:
 175                 spam_fields = dict(spam_fields)
 176                 for name, field in spam_fields.items():
 177                     self.fields[name] = field
 178
 179                 self._anti_spam_fields = spam_fields.keys()
 180             else:
 181                 self._anti_spam_fields = []
 182
 183         if settings.WIKI_ON:
 184             self.fields['wiki'] = WikiField()
 185
 186 class AnswerForm(forms.Form):
 187     text   = AnswerEditorField()
 188     wiki   = WikiField()
 189
 190     def __init__(self, data=None, user=None, *args, **kwargs):
 191         super(AnswerForm, self).__init__(data, *args, **kwargs)
 192
 193         if int(user.reputation) < settings.CAPTCHA_IF_REP_LESS_THAN and not (user.is_superuser or user.is_staff):
 194             spam_fields = call_all_handlers('create_anti_spam_field')
 195             if spam_fields:
 196                 spam_fields = dict(spam_fields)
 197                 for name, field in spam_fields.items():
 198                     self.fields[name] = field
 199
 200                 self._anti_spam_fields = spam_fields.keys()
 201             else:
 202                 self._anti_spam_fields = []
 203
 204         if settings.WIKI_ON:
 205             self.fields['wiki'] = WikiField()
 206
 207 class RetagQuestionForm(forms.Form):
 208     tags   = TagNamesField()
 209     # initialize the default values
 210     def __init__(self, question, *args, **kwargs):
 211         super(RetagQuestionForm, self).__init__(*args, **kwargs)
 212         self.fields['tags'].initial = question.tagnames
 213
 214 class RevisionForm(forms.Form):
 215     """
 216     Lists revisions of a Question or Answer
 217     """
 218     revision = forms.ChoiceField(widget=forms.Select(attrs={'style' : 'width:520px'}))
 219
 220     def __init__(self, post, *args, **kwargs):
 221         super(RevisionForm, self).__init__(*args, **kwargs)
 222
 223         revisions = post.revisions.all().values_list('revision', 'author__username', 'revised_at', 'summary').order_by('-revised_at')
 224
 225         date_format = '%c'
 226         self.fields['revision'].choices = [
 227             (r[0], u'%s - %s (%s) %s' % (r[0], smart_unicode(r[1]), r[2].strftime(date_format), r[3]))
 228             for r in revisions]
 229
 230         self.fields['revision'].initial = post.active_revision.revision
 231
 232 class EditQuestionForm(forms.Form):
 233     title  = TitleField()
 234     text   = QuestionEditorField()
 235     summary = SummaryField()
 236
 237     def __init__(self, question, user, revision=None, *args, **kwargs):
 238         super(EditQuestionForm, self).__init__(*args, **kwargs)
 239
 240         if revision is None:
 241             revision = question.active_revision
 242
 243         self.fields['title'].initial = revision.title
 244         self.fields['text'].initial = revision.body
 245
 246         self.fields['tags'] = TagNamesField(user)
 247         self.fields['tags'].initial = revision.tagnames
 248
 249         if int(user.reputation) < settings.CAPTCHA_IF_REP_LESS_THAN and not (user.is_superuser or user.is_staff):
 250             spam_fields = call_all_handlers('create_anti_spam_field')
 251             if spam_fields:
 252                 spam_fields = dict(spam_fields)
 253                 for name, field in spam_fields.items():
 254                     self.fields[name] = field
 255
 256                 self._anti_spam_fields = spam_fields.keys()
 257             else:
 258                 self._anti_spam_fields = []
 259
 260         if settings.WIKI_ON:
 261             self.fields['wiki'] = WikiField(disabled=(question.nis.wiki and not user.can_cancel_wiki(question)), initial=question.nis.wiki)
 262
 263 class EditAnswerForm(forms.Form):
 264     text = AnswerEditorField()
 265     summary = SummaryField()
 266
 267     def __init__(self, answer, user, revision=None, *args, **kwargs):
 268         super(EditAnswerForm, self).__init__(*args, **kwargs)
 269
 270         if revision is None:
 271             revision = answer.active_revision
 272
 273         self.fields['text'].initial = revision.body
 274
 275         if int(user.reputation) < settings.CAPTCHA_IF_REP_LESS_THAN and not (user.is_superuser or user.is_staff):
 276             spam_fields = call_all_handlers('create_anti_spam_field')
 277             if spam_fields:
 278                 spam_fields = dict(spam_fields)
 279                 for name, field in spam_fields.items():
 280                     self.fields[name] = field
 281
 282                 self._anti_spam_fields = spam_fields.keys()
 283             else:
 284                 self._anti_spam_fields = []
 285
 286         if settings.WIKI_ON:
 287             self.fields['wiki'] = WikiField(disabled=(answer.nis.wiki and not user.can_cancel_wiki(answer)), initial=answer.nis.wiki)
 288
 289 class EditUserForm(forms.Form):
 290     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}))
 291     realname = forms.CharField(label=_('Real name'), required=False, max_length=255, widget=forms.TextInput(attrs={'size' : 35}))
 292     website = forms.URLField(label=_('Website'), required=False, max_length=255, widget=forms.TextInput(attrs={'size' : 35}))
 293     city = forms.CharField(label=_('Location'), required=False, max_length=255, widget=forms.TextInput(attrs={'size' : 35}))
 294     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}))
 295     about = forms.CharField(label=_('Profile'), required=False, widget=forms.Textarea(attrs={'cols' : 60}))
 296
 297     def __init__(self, user, *args, **kwargs):
 298         super(EditUserForm, self).__init__(*args, **kwargs)
 299         if settings.EDITABLE_SCREEN_NAME:
 300             self.fields['username'] = UserNameField(label=_('Screen name'))
 301             self.fields['username'].initial = user.username
 302             self.fields['username'].user_instance = user
 303         self.fields['email'].initial = user.email
 304         self.fields['realname'].initial = user.real_name
 305         self.fields['website'].initial = user.website
 306         self.fields['city'].initial = user.location
 307
 308         if user.date_of_birth is not None:
 309             self.fields['birthday'].initial = user.date_of_birth
 310
 311         self.fields['about'].initial = user.about
 312         self.user = user
 313
 314     def clean_email(self):
 315         if self.user.email != self.cleaned_data['email']:
 316             if settings.EMAIL_UNIQUE:
 317                 if 'email' in self.cleaned_data:
 318                     from forum.models import User
 319                     try:
 320                         User.objects.get(email = self.cleaned_data['email'])
 321                     except User.DoesNotExist:
 322                         return self.cleaned_data['email']
 323                     except User.MultipleObjectsReturned:
 324                         logging.error("Found multiple users sharing the same email: %s" % self.cleaned_data['email'])
 325
 326                     raise forms.ValidationError(_('this email has already been registered, please use another one'))
 327         return self.cleaned_data['email']
 328
 329
 330 NOTIFICATION_CHOICES = (
 331     ('i', _('Instantly')),
 332     #('d', _('Daily')),
 333     #('w', _('Weekly')),
 334     ('n', _('No notifications')),
 335 )
 336
 337 class SubscriptionSettingsForm(forms.ModelForm):
 338     enable_notifications = forms.BooleanField(widget=forms.HiddenInput, required=False)
 339     member_joins = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 340     new_question = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 341     new_question_watched_tags = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 342     subscribed_questions = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 343
 344     class Meta:
 345         model = SubscriptionSettings
 346
 347 class UserPreferencesForm(forms.Form):
 348     sticky_sorts = forms.BooleanField(required=False, initial=False)
 349
 350
 351