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