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.safestring import mark_safe
   9 from general import NextUrlField, UserNameField, SetPasswordForm
  10 from forum import settings
  11
  12 from forum_modules.recaptcha.formfield import ReCaptchaField
  13
  14 import logging
  15
  16 class TitleField(forms.CharField):
  17     def __init__(self, *args, **kwargs):
  18         super(TitleField, self).__init__(*args, **kwargs)
  19         self.required = True
  20         self.widget = forms.TextInput(attrs={'size' : 70, 'autocomplete' : 'off'})
  21         self.max_length = 255
  22         self.label  = _('title')
  23         self.help_text = _('please enter a descriptive title for your question')
  24         self.initial = ''
  25
  26     def clean(self, value):
  27         if len(value) < settings.FORM_MIN_QUESTION_TITLE:
  28             raise forms.ValidationError(_('title must be must be at least %s characters') % settings.FORM_MIN_QUESTION_TITLE)
  29
  30         return value
  31
  32 class EditorField(forms.CharField):
  33     def __init__(self, *args, **kwargs):
  34         super(EditorField, self).__init__(*args, **kwargs)
  35         self.widget = forms.Textarea(attrs={'id':'editor'})
  36         self.label  = _('content')
  37         self.help_text = u''
  38         self.initial = ''
  39
  40
  41 class QuestionEditorField(EditorField):
  42     def __init__(self, *args, **kwargs):
  43         super(QuestionEditorField, self).__init__(*args, **kwargs)
  44         self.required = not bool(settings.FORM_EMPTY_QUESTION_BODY)
  45
  46
  47     def clean(self, value):
  48         if not bool(settings.FORM_EMPTY_QUESTION_BODY) and (len(re.sub('[ ]{2,}', ' ', value)) < settings.FORM_MIN_QUESTION_BODY):
  49             raise forms.ValidationError(_('question content must be at least %s characters') % settings.FORM_MIN_QUESTION_BODY)
  50
  51         return value
  52
  53 class AnswerEditorField(EditorField):
  54     def __init__(self, *args, **kwargs):
  55         super(AnswerEditorField, self).__init__(*args, **kwargs)
  56         self.required = True
  57
  58     def clean(self, value):
  59         if len(re.sub('[ ]{2,}', ' ', value)) < settings.FORM_MIN_QUESTION_BODY:
  60             raise forms.ValidationError(_('answer content must be at least %s characters') % settings.FORM_MIN_QUESTION_BODY)
  61
  62         return value
  63
  64
  65 class TagNamesField(forms.CharField):
  66     def __init__(self, user=None, *args, **kwargs):
  67         super(TagNamesField, self).__init__(*args, **kwargs)
  68         self.required = True
  69         self.widget = forms.TextInput(attrs={'size' : 50, 'autocomplete' : 'off'})
  70         self.max_length = 255
  71         self.label  = _('tags')
  72         #self.help_text = _('please use space to separate tags (this enables autocomplete feature)')
  73         self.help_text = _('Tags are short keywords, with no spaces within. At least %(min)s and up to %(max)s tags can be used.') % {
  74             'min': settings.FORM_MIN_NUMBER_OF_TAGS, 'max': settings.FORM_MAX_NUMBER_OF_TAGS
  75         }
  76         self.initial = ''
  77         self.user = user
  78
  79     def clean(self, value):
  80         value = super(TagNamesField, self).clean(value)
  81         data = value.strip().lower()
  82
  83         split_re = re.compile(r'[ ,]+')
  84         list = {}
  85         for tag in split_re.split(data):
  86             list[tag] = tag
  87
  88         if len(list) > settings.FORM_MAX_NUMBER_OF_TAGS or len(list) < settings.FORM_MIN_NUMBER_OF_TAGS:
  89             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})
  90
  91         list_temp = []
  92         tagname_re = re.compile(r'^[\w+\.-]+$', re.UNICODE)
  93         for key,tag in list.items():
  94             if len(tag) > settings.FORM_MAX_LENGTH_OF_TAG or len(tag) < settings.FORM_MIN_LENGTH_OF_TAG:
  95                 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})
  96             if not tagname_re.match(tag):
  97                 raise forms.ValidationError(_('please use following characters in tags: letters , numbers, and characters \'.-_\''))
  98             # only keep one same tag
  99             if tag not in list_temp and len(tag.strip()) > 0:
 100                 list_temp.append(tag)
 101
 102         if settings.LIMIT_TAG_CREATION and not self.user.can_create_tags():
 103             existent = Tag.objects.filter(name__in=list_temp).values_list('name', flat=True)
 104
 105             if len(existent) < len(list_temp):
 106                 unexistent = [n for n in list_temp if not n in existent]
 107                 raise forms.ValidationError(_("You don't have enough reputation to create new tags. The following tags do not exist yet: %s") %
 108                         ', '.join(unexistent))
 109
 110
 111         return u' '.join(list_temp)
 112
 113 class WikiField(forms.BooleanField):
 114     def __init__(self, disabled=False, *args, **kwargs):
 115         super(WikiField, self).__init__(*args, **kwargs)
 116         self.required = False
 117         self.label  = _('community wiki')
 118         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')
 119         if disabled:
 120             self.widget=forms.CheckboxInput(attrs={'disabled': "disabled"})
 121     def clean(self,value):
 122         return value
 123
 124 class EmailNotifyField(forms.BooleanField):
 125     def __init__(self, *args, **kwargs):
 126         super(EmailNotifyField, self).__init__(*args, **kwargs)
 127         self.required = False
 128         self.widget.attrs['class'] = 'nomargin'
 129
 130 class SummaryField(forms.CharField):
 131     def __init__(self, *args, **kwargs):
 132         super(SummaryField, self).__init__(*args, **kwargs)
 133         self.required = False
 134         self.widget = forms.TextInput(attrs={'size' : 50, 'autocomplete' : 'off'})
 135         self.max_length = 300
 136         self.label  = _('update summary:')
 137         self.help_text = _('enter a brief summary of your revision (e.g. fixed spelling, grammar, improved style, this field is optional)')
 138
 139
 140 class FeedbackForm(forms.Form):
 141     message = forms.CharField(label=_('Your message:'), max_length=800,widget=forms.Textarea(attrs={'cols':60}))
 142     next = NextUrlField()
 143
 144     def __init__(self, user, *args, **kwargs):
 145         super(FeedbackForm, self).__init__(*args, **kwargs)
 146         if not user.is_authenticated():
 147             self.fields['name'] = forms.CharField(label=_('Your name:'), required=False)
 148             self.fields['email'] = forms.EmailField(label=_('Email (not shared with anyone):'), required=True)
 149
 150
 151
 152 class AskForm(forms.Form):
 153     title  = TitleField()
 154     text   = QuestionEditorField()
 155
 156     def __init__(self, data=None, user=None, *args, **kwargs):
 157         super(AskForm, self).__init__(data, *args, **kwargs)
 158
 159         self.fields['tags']   = TagNamesField(user)
 160
 161         if int(user.reputation) < settings.CAPTCHA_IF_REP_LESS_THAN and not (user.is_superuser or user.is_staff):
 162             self.fields['captcha'] = ReCaptchaField()
 163
 164         if settings.WIKI_ON:
 165             self.fields['wiki'] = WikiField()
 166
 167 class AnswerForm(forms.Form):
 168     text   = AnswerEditorField()
 169     wiki   = WikiField()
 170
 171     def __init__(self, data=None, user=None, *args, **kwargs):
 172         super(AnswerForm, self).__init__(data, *args, **kwargs)
 173
 174         if int(user.reputation) < settings.CAPTCHA_IF_REP_LESS_THAN and not (user.is_superuser or user.is_staff):
 175             self.fields['captcha'] = ReCaptchaField()
 176
 177         if settings.WIKI_ON:
 178             self.fields['wiki'] = WikiField()
 179
 180 class RetagQuestionForm(forms.Form):
 181     tags   = TagNamesField()
 182     # initialize the default values
 183     def __init__(self, question, *args, **kwargs):
 184         super(RetagQuestionForm, self).__init__(*args, **kwargs)
 185         self.fields['tags'].initial = question.tagnames
 186
 187 class RevisionForm(forms.Form):
 188     """
 189     Lists revisions of a Question or Answer
 190     """
 191     revision = forms.ChoiceField(widget=forms.Select(attrs={'style' : 'width:520px'}))
 192
 193     def __init__(self, post, *args, **kwargs):
 194         super(RevisionForm, self).__init__(*args, **kwargs)
 195
 196         revisions = post.revisions.all().values_list('revision', 'author__username', 'revised_at', 'summary').order_by('-revised_at')
 197
 198         date_format = '%c'
 199         self.fields['revision'].choices = [
 200             (r[0], u'%s - %s (%s) %s' % (r[0], r[1], r[2].strftime(date_format), r[3]))
 201             for r in revisions]
 202
 203         self.fields['revision'].initial = post.active_revision.revision
 204
 205 class EditQuestionForm(forms.Form):
 206     title  = TitleField()
 207     text   = QuestionEditorField()
 208     summary = SummaryField()
 209
 210     def __init__(self, question, user, revision=None, *args, **kwargs):
 211         super(EditQuestionForm, self).__init__(*args, **kwargs)
 212
 213         if revision is None:
 214             revision = question.active_revision
 215
 216         self.fields['title'].initial = revision.title
 217         self.fields['text'].initial = revision.body
 218
 219         self.fields['tags'] = TagNamesField(user)
 220         self.fields['tags'].initial = revision.tagnames
 221
 222         if int(user.reputation) < settings.CAPTCHA_IF_REP_LESS_THAN and not (user.is_superuser or user.is_staff):
 223             self.fields['captcha'] = ReCaptchaField()
 224
 225         if settings.WIKI_ON:
 226             self.fields['wiki'] = WikiField(disabled=(question.nis.wiki and not user.can_cancel_wiki(question)), initial=question.nis.wiki)
 227
 228 class EditAnswerForm(forms.Form):
 229     text = AnswerEditorField()
 230     summary = SummaryField()
 231
 232     def __init__(self, answer, user, revision=None, *args, **kwargs):
 233         super(EditAnswerForm, self).__init__(*args, **kwargs)
 234
 235         if revision is None:
 236             revision = answer.active_revision
 237
 238         self.fields['text'].initial = revision.body
 239
 240         if int(user.reputation) < settings.CAPTCHA_IF_REP_LESS_THAN and not (user.is_superuser or user.is_staff):
 241             self.fields['captcha'] = ReCaptchaField()
 242
 243         if settings.WIKI_ON:
 244             self.fields['wiki'] = WikiField(disabled=(answer.nis.wiki and not user.can_cancel_wiki(answer)), initial=answer.nis.wiki)
 245
 246 class EditUserForm(forms.Form):
 247     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}))
 248     realname = forms.CharField(label=_('Real name'), required=False, max_length=255, widget=forms.TextInput(attrs={'size' : 35}))
 249     website = forms.URLField(label=_('Website'), required=False, max_length=255, widget=forms.TextInput(attrs={'size' : 35}))
 250     city = forms.CharField(label=_('Location'), required=False, max_length=255, widget=forms.TextInput(attrs={'size' : 35}))
 251     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}))
 252     about = forms.CharField(label=_('Profile'), required=False, widget=forms.Textarea(attrs={'cols' : 60}))
 253
 254     def __init__(self, user, *args, **kwargs):
 255         super(EditUserForm, self).__init__(*args, **kwargs)
 256         if settings.EDITABLE_SCREEN_NAME:
 257             self.fields['username'] = UserNameField(label=_('Screen name'))
 258             self.fields['username'].initial = user.username
 259             self.fields['username'].user_instance = user
 260         self.fields['email'].initial = user.email
 261         self.fields['realname'].initial = user.real_name
 262         self.fields['website'].initial = user.website
 263         self.fields['city'].initial = user.location
 264
 265         if user.date_of_birth is not None:
 266             self.fields['birthday'].initial = user.date_of_birth
 267         else:
 268             self.fields['birthday'].initial = '1990-01-01'
 269         self.fields['about'].initial = user.about
 270         self.user = user
 271
 272     def clean_email(self):
 273         if self.user.email != self.cleaned_data['email']:
 274             if settings.EMAIL_UNIQUE == True:
 275                 if 'email' in self.cleaned_data:
 276                     from forum.models import User
 277                     try:
 278                         User.objects.get(email = self.cleaned_data['email'])
 279                     except User.DoesNotExist:
 280                         return self.cleaned_data['email']
 281                     except User.MultipleObjectsReturned:
 282                         logging.error("Found multiple users sharing the same email: %s" % self.cleaned_data['email'])
 283
 284                     raise forms.ValidationError(_('this email has already been registered, please use another one'))
 285         return self.cleaned_data['email']
 286
 287
 288 NOTIFICATION_CHOICES = (
 289     ('i', _('Instantly')),
 290     #('d', _('Daily')),
 291     #('w', _('Weekly')),
 292     ('n', _('No notifications')),
 293 )
 294
 295 class SubscriptionSettingsForm(forms.ModelForm):
 296     enable_notifications = forms.BooleanField(widget=forms.HiddenInput, required=False)
 297     member_joins = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 298     new_question = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 299     new_question_watched_tags = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 300     subscribed_questions = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 301
 302     class Meta:
 303         model = SubscriptionSettings
 304
 305 class UserPreferencesForm(forms.Form):
 306     sticky_sorts = forms.BooleanField(required=False, initial=False)
 307
 308
 309