forum/forms.py

   1 import re
   2 from datetime import date
   3 from django import forms
   4 from models import *
   5 from django.utils.translation import ugettext as _
   6 from django.contrib.humanize.templatetags.humanize import apnumber
   7 from forum.models import User
   8
   9 from django.utils.safestring import mark_safe
  10 from forum.utils.forms import NextUrlField, UserNameField, SetPasswordForm
  11 from forum import settings
  12 import logging
  13
  14 class TitleField(forms.CharField):
  15     def __init__(self, *args, **kwargs):
  16         super(TitleField, self).__init__(*args, **kwargs)
  17         self.required = True
  18         self.widget = forms.TextInput(attrs={'size' : 70, 'autocomplete' : 'off'})
  19         self.max_length = 255
  20         self.label  = _('title')
  21         self.help_text = _('please enter a descriptive title for your question')
  22         self.initial = ''
  23
  24     def clean(self, value):
  25         if len(value) < settings.FORM_MIN_QUESTION_TITLE:
  26             raise forms.ValidationError(_('title must be must be at least %s characters') % settings.FORM_MIN_QUESTION_TITLE)
  27
  28         return value
  29
  30 class EditorField(forms.CharField):
  31     def __init__(self, *args, **kwargs):
  32         super(EditorField, self).__init__(*args, **kwargs)
  33         self.widget = forms.Textarea(attrs={'id':'editor'})
  34         self.label  = _('content')
  35         self.help_text = u''
  36         self.initial = ''
  37
  38
  39 class QuestionEditorField(EditorField):
  40     def __init__(self, *args, **kwargs):
  41         super(QuestionEditorField, self).__init__(*args, **kwargs)
  42         self.required = not bool(settings.FORM_EMPTY_QUESTION_BODY)
  43
  44
  45     def clean(self, value):
  46         if self.required and (len(value) < settings.FORM_MIN_QUESTION_BODY):
  47             raise forms.ValidationError(_('question content must be at least %s characters') % settings.FORM_MIN_QUESTION_BODY)
  48
  49         return value
  50
  51 class AnswerEditorField(EditorField):
  52     def __init__(self, *args, **kwargs):
  53         super(AnswerEditorField, self).__init__(*args, **kwargs)
  54         self.required = True
  55
  56     def clean(self, value):
  57         if len(value) < settings.FORM_MIN_QUESTION_BODY:
  58             raise forms.ValidationError(_('answer content must be at least %s characters') % settings.FORM_MIN_QUESTION_BODY)
  59
  60         return value
  61
  62
  63 class TagNamesField(forms.CharField):
  64     def __init__(self, *args, **kwargs):
  65         super(TagNamesField, self).__init__(*args, **kwargs)
  66         self.required = True
  67         self.widget = forms.TextInput(attrs={'size' : 50, 'autocomplete' : 'off'})
  68         self.max_length = 255
  69         self.label  = _('tags')
  70         #self.help_text = _('please use space to separate tags (this enables autocomplete feature)')
  71         self.help_text = _('Tags are short keywords, with no spaces within. At least %(min)s and up to %(max)s tags can be used.') % {
  72             'min': settings.FORM_MIN_NUMBER_OF_TAGS, 'max': settings.FORM_MAX_NUMBER_OF_TAGS
  73         }
  74         self.initial = ''
  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 = split_re.split(data)
  82
  83         if len(list) > settings.FORM_MAX_NUMBER_OF_TAGS or len(list) < settings.FORM_MIN_NUMBER_OF_TAGS:
  84             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})
  85
  86         list_temp = []
  87         tagname_re = re.compile(r'^[\w+\.-]+$', re.UNICODE)
  88         for tag in list:
  89             if len(tag) > settings.FORM_MAX_LENGTH_OF_TAG or len(tag) < settings.FORM_MIN_LENGTH_OF_TAG:
  90                 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})
  91             if not tagname_re.match(tag):
  92                 raise forms.ValidationError(_('please use following characters in tags: letters , numbers, and characters \'.-_\''))
  93             # only keep one same tag
  94             if tag not in list_temp and len(tag.strip()) > 0:
  95                 list_temp.append(tag)
  96
  97         return u' '.join(list_temp)
  98
  99 class WikiField(forms.BooleanField):
 100     def __init__(self, disabled=False, *args, **kwargs):
 101         super(WikiField, self).__init__(*args, **kwargs)
 102         self.required = False
 103         self.label  = _('community wiki')
 104         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')
 105         if disabled:
 106             self.widget=forms.CheckboxInput(attrs={'disabled': "disabled"})
 107     def clean(self,value):
 108         return value
 109
 110 class EmailNotifyField(forms.BooleanField):
 111     def __init__(self, *args, **kwargs):
 112         super(EmailNotifyField, self).__init__(*args, **kwargs)
 113         self.required = False
 114         self.widget.attrs['class'] = 'nomargin'
 115
 116 class SummaryField(forms.CharField):
 117     def __init__(self, *args, **kwargs):
 118         super(SummaryField, self).__init__(*args, **kwargs)
 119         self.required = False
 120         self.widget = forms.TextInput(attrs={'size' : 50, 'autocomplete' : 'off'})
 121         self.max_length = 300
 122         self.label  = _('update summary:')
 123         self.help_text = _('enter a brief summary of your revision (e.g. fixed spelling, grammar, improved style, this field is optional)')
 124
 125
 126 class FeedbackForm(forms.Form):
 127     name = forms.CharField(label=_('Your name:'), required=False)
 128     email = forms.EmailField(label=_('Email (not shared with anyone):'), required=False)
 129     message = forms.CharField(label=_('Your message:'), max_length=800,widget=forms.Textarea(attrs={'cols':60}))
 130     next = NextUrlField()
 131
 132 class AskForm(forms.Form):
 133     title  = TitleField()
 134     text   = QuestionEditorField()
 135     tags   = TagNamesField()
 136
 137     def __init__(self, *args, **kwargs):
 138         super(AskForm, self).__init__(*args, **kwargs)
 139         if settings.WIKI_ON:
 140             self.fields['wiki'] = WikiField()
 141
 142 class AnswerForm(forms.Form):
 143     text   = AnswerEditorField()
 144     wiki   = WikiField()
 145
 146     def __init__(self, question, *args, **kwargs):
 147         super(AnswerForm, self).__init__(*args, **kwargs)
 148
 149         if settings.WIKI_ON:
 150             self.fields['wiki'] = WikiField()
 151
 152             if question.nis.wiki:
 153                 self.fields['wiki'].initial = True
 154
 155
 156 class RetagQuestionForm(forms.Form):
 157     tags   = TagNamesField()
 158     # initialize the default values
 159     def __init__(self, question, *args, **kwargs):
 160         super(RetagQuestionForm, self).__init__(*args, **kwargs)
 161         self.fields['tags'].initial = question.tagnames
 162
 163 class RevisionForm(forms.Form):
 164     """
 165     Lists revisions of a Question or Answer
 166     """
 167     revision = forms.ChoiceField(widget=forms.Select(attrs={'style' : 'width:520px'}))
 168
 169     def __init__(self, post, *args, **kwargs):
 170         super(RevisionForm, self).__init__(*args, **kwargs)
 171
 172         revisions = post.revisions.all().values_list(
 173             'revision', 'author__username', 'revised_at', 'summary')
 174         date_format = '%c'
 175         self.fields['revision'].choices = [
 176             (r[0], u'%s - %s (%s) %s' % (r[0], r[1], r[2].strftime(date_format), r[3]))
 177             for r in revisions]
 178
 179         self.fields['revision'].initial = post.active_revision.revision
 180
 181 class EditQuestionForm(forms.Form):
 182     title  = TitleField()
 183     text   = QuestionEditorField()
 184     tags   = TagNamesField()
 185     summary = SummaryField()
 186
 187     def __init__(self, question, user, revision=None, *args, **kwargs):
 188         super(EditQuestionForm, self).__init__(*args, **kwargs)
 189
 190         if revision is None:
 191             revision = question.active_revision
 192
 193         self.fields['title'].initial = revision.title
 194         self.fields['text'].initial = revision.body
 195         self.fields['tags'].initial = revision.tagnames
 196
 197         if settings.WIKI_ON:
 198             self.fields['wiki'] = WikiField(disabled=(question.nis.wiki and not user.can_cancel_wiki(question)), initial=question.nis.wiki)
 199
 200 class EditAnswerForm(forms.Form):
 201     text = AnswerEditorField()
 202     summary = SummaryField()
 203
 204     def __init__(self, answer, user, revision=None, *args, **kwargs):
 205         super(EditAnswerForm, self).__init__(*args, **kwargs)
 206
 207         if revision is None:
 208             revision = answer.active_revision
 209
 210         self.fields['text'].initial = revision.body
 211
 212         if settings.WIKI_ON:
 213             self.fields['wiki'] = WikiField(disabled=(answer.nis.wiki and not user.can_cancel_wiki(answer)), initial=answer.nis.wiki)
 214
 215 class EditUserForm(forms.Form):
 216     email = forms.EmailField(label=u'Email', help_text=_('this email does not have to be linked to gravatar'), required=True, max_length=255, widget=forms.TextInput(attrs={'size' : 35}))
 217     realname = forms.CharField(label=_('Real name'), required=False, max_length=255, widget=forms.TextInput(attrs={'size' : 35}))
 218     website = forms.URLField(label=_('Website'), required=False, max_length=255, widget=forms.TextInput(attrs={'size' : 35}))
 219     city = forms.CharField(label=_('Location'), required=False, max_length=255, widget=forms.TextInput(attrs={'size' : 35}))
 220     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}))
 221     about = forms.CharField(label=_('Profile'), required=False, widget=forms.Textarea(attrs={'cols' : 60}))
 222
 223     def __init__(self, user, *args, **kwargs):
 224         super(EditUserForm, self).__init__(*args, **kwargs)
 225         if settings.EDITABLE_SCREEN_NAME:
 226             self.fields['username'] = UserNameField(label=_('Screen name'))
 227             self.fields['username'].initial = user.username
 228             self.fields['username'].user_instance = user
 229         self.fields['email'].initial = user.email
 230         self.fields['realname'].initial = user.real_name
 231         self.fields['website'].initial = user.website
 232         self.fields['city'].initial = user.location
 233
 234         if user.date_of_birth is not None:
 235             self.fields['birthday'].initial = user.date_of_birth
 236         else:
 237             self.fields['birthday'].initial = '1990-01-01'
 238         self.fields['about'].initial = user.about
 239         self.user = user
 240
 241     def clean_email(self):
 242         """For security reason one unique email in database"""
 243         if self.user.email != self.cleaned_data['email']:
 244             #todo dry it, there is a similar thing in openidauth
 245             if settings.EMAIL_UNIQUE == True:
 246                 if 'email' in self.cleaned_data:
 247                     try:
 248                         user = User.objects.get(email = self.cleaned_data['email'])
 249                     except User.DoesNotExist:
 250                         return self.cleaned_data['email']
 251                     except User.MultipleObjectsReturned:
 252                         raise forms.ValidationError(_('this email has already been registered, please use another one'))
 253                     raise forms.ValidationError(_('this email has already been registered, please use another one'))
 254         return self.cleaned_data['email']
 255
 256 NOTIFICATION_CHOICES = (
 257     ('i', _('Instantly')),
 258     ('d', _('Daily')),
 259     ('w', _('Weekly')),
 260     ('n', _('No notifications')),
 261 )
 262
 263 class SubscriptionSettingsForm(forms.Form):
 264     member_joins = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 265     new_question = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 266     new_question_watched_tags = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 267     subscribed_questions = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 268
 269     all_questions = forms.BooleanField(required=False, initial=False)
 270     all_questions_watched_tags = forms.BooleanField(required=False, initial=False)
 271     questions_asked = forms.BooleanField(required=False, initial=False)
 272     questions_answered = forms.BooleanField(required=False, initial=False)
 273     questions_commented = forms.BooleanField(required=False, initial=False)
 274     questions_viewed = forms.BooleanField(required=False, initial=False)
 275
 276     notify_answers = forms.BooleanField(required=False, initial=False)
 277     notify_reply_to_comments = forms.BooleanField(required=False, initial=False)
 278     notify_comments_own_post = forms.BooleanField(required=False, initial=False)
 279     notify_comments = forms.BooleanField(required=False, initial=False)
 280     notify_accepted = forms.BooleanField(required=False, initial=False)
 281