forum/forms.py

   1 import re
   2 from datetime import date
   3 from django import forms
   4 from models import *
   5 from const import *
   6 from django.utils.translation import ugettext as _
   7 from django.contrib.humanize.templatetags.humanize import apnumber
   8 from forum.models import User
   9
  10 from django.utils.safestring import mark_safe
  11 from forum.utils.forms import NextUrlField, UserNameField, SetPasswordForm
  12 from django.conf import settings
  13 import logging
  14
  15 class TitleField(forms.CharField):
  16     def __init__(self, *args, **kwargs):
  17         super(TitleField, self).__init__(*args, **kwargs)
  18         self.required = True
  19         self.widget = forms.TextInput(attrs={'size' : 70, 'autocomplete' : 'off'})
  20         self.max_length = 255
  21         self.label  = _('title')
  22         self.help_text = _('please enter a descriptive title for your question')
  23         self.initial = ''
  24
  25     def clean(self, value):
  26         if len(value) < settings.FORM_MIN_QUESTION_TITLE:
  27             raise forms.ValidationError(_('title must be must be at least %s characters' % settings.FORM_MIN_QUESTION_TITLE))
  28
  29         return value
  30
  31 class EditorField(forms.CharField):
  32     def __init__(self, *args, **kwargs):
  33         super(EditorField, self).__init__(*args, **kwargs)
  34         self.required = True
  35         self.widget = forms.Textarea(attrs={'id':'editor'})
  36         self.label  = _('content')
  37         self.help_text = u''
  38         self.initial = ''
  39
  40     def clean(self, value):
  41         if len(value) < settings.FORM_MIN_QUESTION_BODY and not settings.FORM_EMPTY_QUESTION_BODY:
  42             raise forms.ValidationError(_('question content must be must be at least %s characters' % settings.FORM_MIN_QUESTION_BODY))
  43
  44         return value
  45
  46 class TagNamesField(forms.CharField):
  47     def __init__(self, *args, **kwargs):
  48         super(TagNamesField, self).__init__(*args, **kwargs)
  49         self.required = True
  50         self.widget = forms.TextInput(attrs={'size' : 50, 'autocomplete' : 'off'})
  51         self.max_length = 255
  52         self.label  = _('tags')
  53         #self.help_text = _('please use space to separate tags (this enables autocomplete feature)')
  54         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.') % {
  55             'min': apnumber(settings.FORM_MIN_NUMBER_OF_TAGS), 'max': apnumber(settings.FORM_MAX_NUMBER_OF_TAGS)
  56         }
  57         self.initial = ''
  58
  59     def clean(self, value):
  60         value = super(TagNamesField, self).clean(value)
  61         data = value.strip()
  62         if len(data) < 1:
  63             raise forms.ValidationError(_('tags are required'))
  64
  65         split_re = re.compile(r'[ ,]+')
  66         list = split_re.split(data)
  67         list_temp = []
  68         if len(list) > settings.FORM_MAX_NUMBER_OF_TAGS or len(list) < settings.FORM_MIN_NUMBER_OF_TAGS:
  69             raise forms.ValidationError(_('please use betwen %(min)s and %(max)s tags') % {
  70             'min': apnumber(settings.FORM_MIN_NUMBER_OF_TAGS), 'max': apnumber(settings.FORM_MAX_NUMBER_OF_TAGS)
  71         })
  72
  73         tagname_re = re.compile(r'[a-z0-9]+')
  74         for tag in list:
  75             if len(tag) > 20:
  76                 raise forms.ValidationError(_('tags must be shorter than 20 characters'))
  77             if not tagname_re.match(tag):
  78                 raise forms.ValidationError(_('please use following characters in tags: letters \'a-z\', numbers, and characters \'.-_#\''))
  79             # only keep one same tag
  80             if tag not in list_temp and len(tag.strip()) > 0:
  81                 list_temp.append(tag)
  82         return u' '.join(list_temp)
  83
  84 class WikiField(forms.BooleanField):
  85     def __init__(self, *args, **kwargs):
  86         super(WikiField, self).__init__(*args, **kwargs)
  87         self.required = False
  88         self.label  = _('community wiki')
  89         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')
  90     def clean(self,value):
  91         return value and settings.WIKI_ON
  92
  93 class EmailNotifyField(forms.BooleanField):
  94     def __init__(self, *args, **kwargs):
  95         super(EmailNotifyField, self).__init__(*args, **kwargs)
  96         self.required = False
  97         self.widget.attrs['class'] = 'nomargin'
  98
  99 class SummaryField(forms.CharField):
 100     def __init__(self, *args, **kwargs):
 101         super(SummaryField, self).__init__(*args, **kwargs)
 102         self.required = False
 103         self.widget = forms.TextInput(attrs={'size' : 50, 'autocomplete' : 'off'})
 104         self.max_length = 300
 105         self.label  = _('update summary:')
 106         self.help_text = _('enter a brief summary of your revision (e.g. fixed spelling, grammar, improved style, this field is optional)')
 107
 108
 109 class FeedbackForm(forms.Form):
 110     name = forms.CharField(label=_('Your name:'), required=False)
 111     email = forms.EmailField(label=_('Email (not shared with anyone):'), required=False)
 112     message = forms.CharField(label=_('Your message:'), max_length=800,widget=forms.Textarea(attrs={'cols':60}))
 113     next = NextUrlField()
 114
 115 class AskForm(forms.Form):
 116     title  = TitleField()
 117     text   = EditorField()
 118     tags   = TagNamesField()
 119     wiki = WikiField()
 120
 121
 122 class AnswerForm(forms.Form):
 123     text   = EditorField()
 124     wiki   = WikiField()
 125
 126     def __init__(self, question, *args, **kwargs):
 127         super(AnswerForm, self).__init__(*args, **kwargs)
 128
 129         if question.wiki and settings.WIKI_ON:
 130             self.fields['wiki'].initial = True
 131
 132
 133 class CloseForm(forms.Form):
 134     reason = forms.ChoiceField(choices=CLOSE_REASONS)
 135
 136 class RetagQuestionForm(forms.Form):
 137     tags   = TagNamesField()
 138     # initialize the default values
 139     def __init__(self, question, *args, **kwargs):
 140         super(RetagQuestionForm, self).__init__(*args, **kwargs)
 141         self.fields['tags'].initial = question.tagnames
 142
 143 class RevisionForm(forms.Form):
 144     """
 145     Lists revisions of a Question or Answer
 146     """
 147     revision = forms.ChoiceField(widget=forms.Select(attrs={'style' : 'width:520px'}))
 148
 149     def __init__(self, post, *args, **kwargs):
 150         super(RevisionForm, self).__init__(*args, **kwargs)
 151
 152         revisions = post.revisions.all().values_list(
 153             'revision', 'author__username', 'revised_at', 'summary')
 154         date_format = '%c'
 155         self.fields['revision'].choices = [
 156             (r[0], u'%s - %s (%s) %s' % (r[0], r[1], r[2].strftime(date_format), r[3]))
 157             for r in revisions]
 158
 159         self.fields['revision'].initial = post.active_revision.revision
 160
 161 class EditQuestionForm(forms.Form):
 162     title  = TitleField()
 163     text   = EditorField()
 164     tags   = TagNamesField()
 165     summary = SummaryField()
 166
 167     def __init__(self, question, revision=None, *args, **kwargs):
 168         super(EditQuestionForm, self).__init__(*args, **kwargs)
 169
 170         if revision is None:
 171             revision = question.active_revision
 172
 173         self.fields['title'].initial = revision.title
 174         self.fields['text'].initial = revision.body
 175         self.fields['tags'].initial = revision.tagnames
 176
 177         # Once wiki mode is enabled, it can't be disabled
 178         if not question.wiki:
 179             self.fields['wiki'] = WikiField()
 180
 181 class EditAnswerForm(forms.Form):
 182     text = EditorField()
 183     summary = SummaryField()
 184
 185     def __init__(self, answer, revision=None, *args, **kwargs):
 186         super(EditAnswerForm, self).__init__(*args, **kwargs)
 187
 188         if revision is None:
 189             revision = answer.active_revision
 190
 191         self.fields['text'].initial = revision.body
 192
 193 class EditUserForm(forms.Form):
 194     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}))
 195     if settings.EDITABLE_SCREEN_NAME:
 196         username = UserNameField(label=_('Screen name'))
 197     realname = forms.CharField(label=_('Real name'), required=False, max_length=255, widget=forms.TextInput(attrs={'size' : 35}))
 198     website = forms.URLField(label=_('Website'), required=False, max_length=255, widget=forms.TextInput(attrs={'size' : 35}))
 199     city = forms.CharField(label=_('Location'), required=False, max_length=255, widget=forms.TextInput(attrs={'size' : 35}))
 200     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}))
 201     about = forms.CharField(label=_('Profile'), required=False, widget=forms.Textarea(attrs={'cols' : 60}))
 202
 203     def __init__(self, user, *args, **kwargs):
 204         super(EditUserForm, self).__init__(*args, **kwargs)
 205         logging.debug('initializing the form')
 206         if settings.EDITABLE_SCREEN_NAME:
 207             self.fields['username'].initial = user.username
 208             self.fields['username'].user_instance = user
 209         self.fields['email'].initial = user.email
 210         self.fields['realname'].initial = user.real_name
 211         self.fields['website'].initial = user.website
 212         self.fields['city'].initial = user.location
 213
 214         if user.date_of_birth is not None:
 215             self.fields['birthday'].initial = user.date_of_birth
 216         else:
 217             self.fields['birthday'].initial = '1990-01-01'
 218         self.fields['about'].initial = user.about
 219         self.user = user
 220
 221     def clean_email(self):
 222         """For security reason one unique email in database"""
 223         if self.user.email != self.cleaned_data['email']:
 224             #todo dry it, there is a similar thing in openidauth
 225             if settings.EMAIL_UNIQUE == True:
 226                 if 'email' in self.cleaned_data:
 227                     try:
 228                         user = User.objects.get(email = self.cleaned_data['email'])
 229                     except User.DoesNotExist:
 230                         return self.cleaned_data['email']
 231                     except User.MultipleObjectsReturned:
 232                         raise forms.ValidationError(_('this email has already been registered, please use another one'))
 233                     raise forms.ValidationError(_('this email has already been registered, please use another one'))
 234         return self.cleaned_data['email']
 235
 236
 237 class SubscriptionSettingsForm(forms.Form):
 238     member_joins = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 239     new_question = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 240     new_question_watched_tags = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 241     subscribed_questions = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 242
 243     all_questions = forms.BooleanField(required=False, initial=False)
 244     all_questions_watched_tags = forms.BooleanField(required=False, initial=False)
 245     questions_asked = forms.BooleanField(required=False, initial=False)
 246     questions_answered = forms.BooleanField(required=False, initial=False)
 247     questions_commented = forms.BooleanField(required=False, initial=False)
 248     questions_viewed = forms.BooleanField(required=False, initial=False)
 249
 250     notify_answers = forms.BooleanField(required=False, initial=False)
 251     notify_reply_to_comments = forms.BooleanField(required=False, initial=False)
 252     notify_comments_own_post = forms.BooleanField(required=False, initial=False)
 253     notify_comments = forms.BooleanField(required=False, initial=False)
 254     notify_accepted = forms.BooleanField(required=False, initial=False)
 255