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.required = True
  34         self.widget = forms.Textarea(attrs={'id':'editor'})
  35         self.label  = _('content')
  36         self.help_text = u''
  37         self.initial = ''
  38
  39     def clean(self, value):
  40         if len(value) < settings.FORM_MIN_QUESTION_BODY and not settings.FORM_EMPTY_QUESTION_BODY:
  41             raise forms.ValidationError(_('question content must be must be at least %s characters' % settings.FORM_MIN_QUESTION_BODY))
  42
  43         return value
  44
  45 class TagNamesField(forms.CharField):
  46     def __init__(self, *args, **kwargs):
  47         super(TagNamesField, self).__init__(*args, **kwargs)
  48         self.required = True
  49         self.widget = forms.TextInput(attrs={'size' : 50, 'autocomplete' : 'off'})
  50         self.max_length = 255
  51         self.label  = _('tags')
  52         #self.help_text = _('please use space to separate tags (this enables autocomplete feature)')
  53         self.help_text = _('Tags are short keywords, with no spaces within. At least one %(min)s and up to %(max)s tags can be used.') % {
  54             'min': apnumber(settings.FORM_MIN_NUMBER_OF_TAGS), 'max': apnumber(settings.FORM_MAX_NUMBER_OF_TAGS)
  55         }
  56         self.initial = ''
  57
  58     def clean(self, value):
  59         value = super(TagNamesField, self).clean(value)
  60         data = value.strip()
  61         if len(data) < 1:
  62             raise forms.ValidationError(_('tags are required'))
  63
  64         split_re = re.compile(r'[ ,]+')
  65         list = split_re.split(data)
  66         list_temp = []
  67         if len(list) > settings.FORM_MAX_NUMBER_OF_TAGS or len(list) < settings.FORM_MIN_NUMBER_OF_TAGS:
  68             raise forms.ValidationError(_('please use betwen %(min)s and %(max)s tags') % {
  69             'min': apnumber(settings.FORM_MIN_NUMBER_OF_TAGS), 'max': apnumber(settings.FORM_MAX_NUMBER_OF_TAGS)
  70         })
  71
  72         tagname_re = re.compile(r'[a-z0-9]+')
  73         for tag in list:
  74             if len(tag) > 20:
  75                 raise forms.ValidationError(_('tags must be shorter than 20 characters'))
  76             if not tagname_re.match(tag):
  77                 raise forms.ValidationError(_('please use following characters in tags: letters \'a-z\', numbers, and characters \'.-_#\''))
  78             # only keep one same tag
  79             if tag not in list_temp and len(tag.strip()) > 0:
  80                 list_temp.append(tag)
  81         return u' '.join(list_temp)
  82
  83 class WikiField(forms.BooleanField):
  84     def __init__(self, *args, **kwargs):
  85         super(WikiField, self).__init__(*args, **kwargs)
  86         self.required = False
  87         self.label  = _('community wiki')
  88         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')
  89     def clean(self,value):
  90         return value and settings.WIKI_ON
  91
  92 class EmailNotifyField(forms.BooleanField):
  93     def __init__(self, *args, **kwargs):
  94         super(EmailNotifyField, self).__init__(*args, **kwargs)
  95         self.required = False
  96         self.widget.attrs['class'] = 'nomargin'
  97
  98 class SummaryField(forms.CharField):
  99     def __init__(self, *args, **kwargs):
 100         super(SummaryField, self).__init__(*args, **kwargs)
 101         self.required = False
 102         self.widget = forms.TextInput(attrs={'size' : 50, 'autocomplete' : 'off'})
 103         self.max_length = 300
 104         self.label  = _('update summary:')
 105         self.help_text = _('enter a brief summary of your revision (e.g. fixed spelling, grammar, improved style, this field is optional)')
 106
 107
 108 class FeedbackForm(forms.Form):
 109     name = forms.CharField(label=_('Your name:'), required=False)
 110     email = forms.EmailField(label=_('Email (not shared with anyone):'), required=False)
 111     message = forms.CharField(label=_('Your message:'), max_length=800,widget=forms.Textarea(attrs={'cols':60}))
 112     next = NextUrlField()
 113
 114 class AskForm(forms.Form):
 115     title  = TitleField()
 116     text   = EditorField()
 117     tags   = TagNamesField()
 118     wiki = WikiField()
 119
 120
 121 class AnswerForm(forms.Form):
 122     text   = EditorField()
 123     wiki   = WikiField()
 124
 125     def __init__(self, question, *args, **kwargs):
 126         super(AnswerForm, self).__init__(*args, **kwargs)
 127
 128         if question.wiki and settings.WIKI_ON:
 129             self.fields['wiki'].initial = True
 130
 131
 132 class RetagQuestionForm(forms.Form):
 133     tags   = TagNamesField()
 134     # initialize the default values
 135     def __init__(self, question, *args, **kwargs):
 136         super(RetagQuestionForm, self).__init__(*args, **kwargs)
 137         self.fields['tags'].initial = question.tagnames
 138
 139 class RevisionForm(forms.Form):
 140     """
 141     Lists revisions of a Question or Answer
 142     """
 143     revision = forms.ChoiceField(widget=forms.Select(attrs={'style' : 'width:520px'}))
 144
 145     def __init__(self, post, *args, **kwargs):
 146         super(RevisionForm, self).__init__(*args, **kwargs)
 147
 148         revisions = post.revisions.all().values_list(
 149             'revision', 'author__username', 'revised_at', 'summary')
 150         date_format = '%c'
 151         self.fields['revision'].choices = [
 152             (r[0], u'%s - %s (%s) %s' % (r[0], r[1], r[2].strftime(date_format), r[3]))
 153             for r in revisions]
 154
 155         self.fields['revision'].initial = post.active_revision.revision
 156
 157 class EditQuestionForm(forms.Form):
 158     title  = TitleField()
 159     text   = EditorField()
 160     tags   = TagNamesField()
 161     summary = SummaryField()
 162
 163     def __init__(self, question, revision=None, *args, **kwargs):
 164         super(EditQuestionForm, self).__init__(*args, **kwargs)
 165
 166         if revision is None:
 167             revision = question.active_revision
 168
 169         self.fields['title'].initial = revision.title
 170         self.fields['text'].initial = revision.body
 171         self.fields['tags'].initial = revision.tagnames
 172
 173         # Once wiki mode is enabled, it can't be disabled
 174         if not question.wiki:
 175             self.fields['wiki'] = WikiField()
 176
 177 class EditAnswerForm(forms.Form):
 178     text = EditorField()
 179     summary = SummaryField()
 180
 181     def __init__(self, answer, revision=None, *args, **kwargs):
 182         super(EditAnswerForm, self).__init__(*args, **kwargs)
 183
 184         if revision is None:
 185             revision = answer.active_revision
 186
 187         self.fields['text'].initial = revision.body
 188
 189 class EditUserForm(forms.Form):
 190     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}))
 191     if settings.EDITABLE_SCREEN_NAME:
 192         username = UserNameField(label=_('Screen name'))
 193     realname = forms.CharField(label=_('Real name'), required=False, max_length=255, widget=forms.TextInput(attrs={'size' : 35}))
 194     website = forms.URLField(label=_('Website'), required=False, max_length=255, widget=forms.TextInput(attrs={'size' : 35}))
 195     city = forms.CharField(label=_('Location'), required=False, max_length=255, widget=forms.TextInput(attrs={'size' : 35}))
 196     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}))
 197     about = forms.CharField(label=_('Profile'), required=False, widget=forms.Textarea(attrs={'cols' : 60}))
 198
 199     def __init__(self, user, *args, **kwargs):
 200         super(EditUserForm, self).__init__(*args, **kwargs)
 201         logging.debug('initializing the form')
 202         if settings.EDITABLE_SCREEN_NAME:
 203             self.fields['username'].initial = user.username
 204             self.fields['username'].user_instance = user
 205         self.fields['email'].initial = user.email
 206         self.fields['realname'].initial = user.real_name
 207         self.fields['website'].initial = user.website
 208         self.fields['city'].initial = user.location
 209
 210         if user.date_of_birth is not None:
 211             self.fields['birthday'].initial = user.date_of_birth
 212         else:
 213             self.fields['birthday'].initial = '1990-01-01'
 214         self.fields['about'].initial = user.about
 215         self.user = user
 216
 217     def clean_email(self):
 218         """For security reason one unique email in database"""
 219         if self.user.email != self.cleaned_data['email']:
 220             #todo dry it, there is a similar thing in openidauth
 221             if settings.EMAIL_UNIQUE == True:
 222                 if 'email' in self.cleaned_data:
 223                     try:
 224                         user = User.objects.get(email = self.cleaned_data['email'])
 225                     except User.DoesNotExist:
 226                         return self.cleaned_data['email']
 227                     except User.MultipleObjectsReturned:
 228                         raise forms.ValidationError(_('this email has already been registered, please use another one'))
 229                     raise forms.ValidationError(_('this email has already been registered, please use another one'))
 230         return self.cleaned_data['email']
 231
 232 NOTIFICATION_CHOICES = (
 233     ('i', _('Instantly')),
 234     ('d', _('Daily')),
 235     ('w', _('Weekly')),
 236     ('n', _('No notifications')),
 237 )
 238
 239 class SubscriptionSettingsForm(forms.Form):
 240     member_joins = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 241     new_question = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 242     new_question_watched_tags = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 243     subscribed_questions = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 244
 245     all_questions = forms.BooleanField(required=False, initial=False)
 246     all_questions_watched_tags = forms.BooleanField(required=False, initial=False)
 247     questions_asked = forms.BooleanField(required=False, initial=False)
 248     questions_answered = forms.BooleanField(required=False, initial=False)
 249     questions_commented = forms.BooleanField(required=False, initial=False)
 250     questions_viewed = forms.BooleanField(required=False, initial=False)
 251
 252     notify_answers = forms.BooleanField(required=False, initial=False)
 253     notify_reply_to_comments = forms.BooleanField(required=False, initial=False)
 254     notify_comments_own_post = forms.BooleanField(required=False, initial=False)
 255     notify_comments = forms.BooleanField(required=False, initial=False)
 256     notify_accepted = forms.BooleanField(required=False, initial=False)
 257