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.encoding import smart_unicode
   9 from django.utils.safestring import mark_safe
  10 from general import NextUrlField, UserNameField, SetPasswordForm
  11
  12 from forum import settings
  13
  14 from forum.modules import call_all_handlers
  15
  16 import logging
  17
  18 class TitleField(forms.CharField):
  19     def __init__(self, *args, **kwargs):
  20         super(TitleField, self).__init__(*args, **kwargs)
  21         self.required = True
  22         self.max_length = 255
  23         self.widget = forms.TextInput(attrs={'size' : 70, 'autocomplete' : 'off', 'maxlength' : self.max_length})
  24         self.label  = _('title')
  25         self.help_text = _('please enter a descriptive title for your question')
  26         self.initial = ''
  27
  28     def clean(self, value):
  29         super(TitleField, self).clean(value);
  30
  31         if len(value) < settings.FORM_MIN_QUESTION_TITLE:
  32             raise forms.ValidationError(_('title must be must be at least %s characters') % settings.FORM_MIN_QUESTION_TITLE)
  33
  34         return value
  35
  36 class EditorField(forms.CharField):
  37     def __init__(self, *args, **kwargs):
  38         super(EditorField, self).__init__(*args, **kwargs)
  39         self.widget = forms.Textarea(attrs={'id':'editor'})
  40         self.label  = _('content')
  41         self.help_text = u''
  42         self.initial = ''
  43
  44
  45 class QuestionEditorField(EditorField):
  46     def __init__(self, *args, **kwargs):
  47         super(QuestionEditorField, self).__init__(*args, **kwargs)
  48         self.required = not bool(settings.FORM_EMPTY_QUESTION_BODY)
  49
  50
  51     def clean(self, value):
  52         if not bool(settings.FORM_EMPTY_QUESTION_BODY) and (len(re.sub('[ ]{2,}', ' ', value)) < settings.FORM_MIN_QUESTION_BODY):
  53             raise forms.ValidationError(_('question content must be at least %s characters') % settings.FORM_MIN_QUESTION_BODY)
  54
  55         return value
  56
  57 class AnswerEditorField(EditorField):
  58     def __init__(self, *args, **kwargs):
  59         super(AnswerEditorField, self).__init__(*args, **kwargs)
  60         self.required = True
  61
  62     def clean(self, value):
  63         if len(re.sub('[ ]{2,}', ' ', value)) < settings.FORM_MIN_QUESTION_BODY:
  64             raise forms.ValidationError(_('answer content must be at least %s characters') % settings.FORM_MIN_QUESTION_BODY)
  65
  66         return value
  67
  68
  69 class TagNamesField(forms.CharField):
  70     def __init__(self, user=None, *args, **kwargs):
  71         super(TagNamesField, self).__init__(*args, **kwargs)
  72         self.required = True
  73         self.widget = forms.TextInput(attrs={'size' : 50, 'autocomplete' : 'off'})
  74         self.max_length = 255
  75         self.label  = _('tags')
  76         #self.help_text = _('please use space to separate tags (this enables autocomplete feature)')
  77         self.help_text = _('Tags are short keywords, with no spaces within. At least %(min)s and up to %(max)s tags can be used.') % {
  78             'min': settings.FORM_MIN_NUMBER_OF_TAGS, 'max': settings.FORM_MAX_NUMBER_OF_TAGS
  79         }
  80         self.initial = ''
  81         self.user = user
  82
  83     def clean(self, value):
  84         value = super(TagNamesField, self).clean(value)
  85         data = value.strip().lower()
  86
  87         split_re = re.compile(r'[ ,]+')
  88         list = {}
  89         for tag in split_re.split(data):
  90             list[tag] = tag
  91
  92         if len(list) > settings.FORM_MAX_NUMBER_OF_TAGS or len(list) < settings.FORM_MIN_NUMBER_OF_TAGS:
  93             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})
  94
  95         list_temp = []
  96         tagname_re = re.compile(r'^[\w+\.-]+$', re.UNICODE)
  97         for key,tag in list.items():
  98             if len(tag) > settings.FORM_MAX_LENGTH_OF_TAG or len(tag) < settings.FORM_MIN_LENGTH_OF_TAG:
  99                 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})
 100             if not tagname_re.match(tag):
 101                 raise forms.ValidationError(_('please use following characters in tags: letters , numbers, and characters \'.-_\''))
 102             # only keep one same tag
 103             if tag not in list_temp and len(tag.strip()) > 0:
 104                 list_temp.append(tag)
 105
 106         if settings.LIMIT_TAG_CREATION and not self.user.can_create_tags():
 107             existent = Tag.objects.filter(name__in=list_temp).values_list('name', flat=True)
 108
 109             if len(existent) < len(list_temp):
 110                 unexistent = [n for n in list_temp if not n in existent]
 111                 raise forms.ValidationError(_("You don't have enough reputation to create new tags. The following tags do not exist yet: %s") %
 112                         ', '.join(unexistent))
 113
 114
 115         return u' '.join(list_temp)
 116
 117 class WikiField(forms.BooleanField):
 118     def __init__(self, disabled=False, *args, **kwargs):
 119         super(WikiField, self).__init__(*args, **kwargs)
 120         self.required = False
 121         self.label  = _('community wiki')
 122         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')
 123         if disabled:
 124             self.widget=forms.CheckboxInput(attrs={'disabled': "disabled"})
 125     def clean(self,value):
 126         return value
 127
 128 class EmailNotifyField(forms.BooleanField):
 129     def __init__(self, *args, **kwargs):
 130         super(EmailNotifyField, self).__init__(*args, **kwargs)
 131         self.required = False
 132         self.widget.attrs['class'] = 'nomargin'
 133
 134 class SummaryField(forms.CharField):
 135     def __init__(self, *args, **kwargs):
 136         super(SummaryField, self).__init__(*args, **kwargs)
 137         self.required = False
 138         self.widget = forms.TextInput(attrs={'size' : 50, 'autocomplete' : 'off'})
 139         self.max_length = 300
 140         self.label  = _('update summary:')
 141         self.help_text = _('enter a brief summary of your revision (e.g. fixed spelling, grammar, improved style, this field is optional)')
 142
 143
 144 class FeedbackForm(forms.Form):
 145     message = forms.CharField(label=_('Your message:'), max_length=800,widget=forms.Textarea(attrs={'cols':60}))
 146     next = NextUrlField()
 147
 148     def __init__(self, user, *args, **kwargs):
 149         super(FeedbackForm, self).__init__(*args, **kwargs)
 150         if not user.is_authenticated():
 151             self.fields['name'] = forms.CharField(label=_('Your name:'), required=False)
 152             self.fields['email'] = forms.EmailField(label=_('Email (not shared with anyone):'), required=True)
 153
 154
 155
 156 class AskForm(forms.Form):
 157     title  = TitleField()
 158     text   = QuestionEditorField()
 159
 160     def __init__(self, data=None, user=None, *args, **kwargs):
 161         super(AskForm, self).__init__(data, *args, **kwargs)
 162
 163         self.fields['tags']   = TagNamesField(user)
 164
 165         if int(user.reputation) < settings.CAPTCHA_IF_REP_LESS_THAN and not (user.is_superuser or user.is_staff):
 166             spam_fields = call_all_handlers('create_anti_spam_field')
 167             if spam_fields:
 168                 spam_fields = dict(spam_fields)
 169                 for name, field in spam_fields.items():
 170                     self.fields[name] = field
 171
 172                 self._anti_spam_fields = spam_fields.keys()
 173             else:
 174                 self._anti_spam_fields = []
 175
 176         if settings.WIKI_ON:
 177             self.fields['wiki'] = WikiField()
 178
 179 class AnswerForm(forms.Form):
 180     text   = AnswerEditorField()
 181     wiki   = WikiField()
 182
 183     def __init__(self, data=None, user=None, *args, **kwargs):
 184         super(AnswerForm, self).__init__(data, *args, **kwargs)
 185
 186         if int(user.reputation) < settings.CAPTCHA_IF_REP_LESS_THAN and not (user.is_superuser or user.is_staff):
 187             spam_fields = call_all_handlers('create_anti_spam_field')
 188             if spam_fields:
 189                 spam_fields = dict(spam_fields)
 190                 for name, field in spam_fields.items():
 191                     self.fields[name] = field
 192
 193                 self._anti_spam_fields = spam_fields.keys()
 194             else:
 195                 self._anti_spam_fields = []
 196
 197         if settings.WIKI_ON:
 198             self.fields['wiki'] = WikiField()
 199
 200 class RetagQuestionForm(forms.Form):
 201     tags   = TagNamesField()
 202     # initialize the default values
 203     def __init__(self, question, *args, **kwargs):
 204         super(RetagQuestionForm, self).__init__(*args, **kwargs)
 205         self.fields['tags'].initial = question.tagnames
 206
 207 class RevisionForm(forms.Form):
 208     """
 209     Lists revisions of a Question or Answer
 210     """
 211     revision = forms.ChoiceField(widget=forms.Select(attrs={'style' : 'width:520px'}))
 212
 213     def __init__(self, post, *args, **kwargs):
 214         super(RevisionForm, self).__init__(*args, **kwargs)
 215
 216         revisions = post.revisions.all().values_list('revision', 'author__username', 'revised_at', 'summary').order_by('-revised_at')
 217
 218         date_format = '%c'
 219         self.fields['revision'].choices = [
 220             (r[0], u'%s - %s (%s) %s' % (r[0], smart_unicode(r[1]), r[2].strftime(date_format), r[3]))
 221             for r in revisions]
 222
 223         self.fields['revision'].initial = post.active_revision.revision
 224
 225 class EditQuestionForm(forms.Form):
 226     title  = TitleField()
 227     text   = QuestionEditorField()
 228     summary = SummaryField()
 229
 230     def __init__(self, question, user, revision=None, *args, **kwargs):
 231         super(EditQuestionForm, self).__init__(*args, **kwargs)
 232
 233         if revision is None:
 234             revision = question.active_revision
 235
 236         self.fields['title'].initial = revision.title
 237         self.fields['text'].initial = revision.body
 238
 239         self.fields['tags'] = TagNamesField(user)
 240         self.fields['tags'].initial = revision.tagnames
 241
 242         if int(user.reputation) < settings.CAPTCHA_IF_REP_LESS_THAN and not (user.is_superuser or user.is_staff):
 243             spam_fields = call_all_handlers('create_anti_spam_field')
 244             if spam_fields:
 245                 spam_fields = dict(spam_fields)
 246                 for name, field in spam_fields.items():
 247                     self.fields[name] = field
 248
 249                 self._anti_spam_fields = spam_fields.keys()
 250             else:
 251                 self._anti_spam_fields = []
 252
 253         if settings.WIKI_ON:
 254             self.fields['wiki'] = WikiField(disabled=(question.nis.wiki and not user.can_cancel_wiki(question)), initial=question.nis.wiki)
 255
 256 class EditAnswerForm(forms.Form):
 257     text = AnswerEditorField()
 258     summary = SummaryField()
 259
 260     def __init__(self, answer, user, revision=None, *args, **kwargs):
 261         super(EditAnswerForm, self).__init__(*args, **kwargs)
 262
 263         if revision is None:
 264             revision = answer.active_revision
 265
 266         self.fields['text'].initial = revision.body
 267
 268         if int(user.reputation) < settings.CAPTCHA_IF_REP_LESS_THAN and not (user.is_superuser or user.is_staff):
 269             spam_fields = call_all_handlers('create_anti_spam_field')
 270             if spam_fields:
 271                 spam_fields = dict(spam_fields)
 272                 for name, field in spam_fields.items():
 273                     self.fields[name] = field
 274
 275                 self._anti_spam_fields = spam_fields.keys()
 276             else:
 277                 self._anti_spam_fields = []
 278
 279         if settings.WIKI_ON:
 280             self.fields['wiki'] = WikiField(disabled=(answer.nis.wiki and not user.can_cancel_wiki(answer)), initial=answer.nis.wiki)
 281
 282 class EditUserForm(forms.Form):
 283     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}))
 284     realname = forms.CharField(label=_('Real name'), required=False, max_length=255, widget=forms.TextInput(attrs={'size' : 35}))
 285     website = forms.URLField(label=_('Website'), required=False, max_length=255, widget=forms.TextInput(attrs={'size' : 35}))
 286     city = forms.CharField(label=_('Location'), required=False, max_length=255, widget=forms.TextInput(attrs={'size' : 35}))
 287     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}))
 288     about = forms.CharField(label=_('Profile'), required=False, widget=forms.Textarea(attrs={'cols' : 60}))
 289
 290     def __init__(self, user, *args, **kwargs):
 291         super(EditUserForm, self).__init__(*args, **kwargs)
 292         if settings.EDITABLE_SCREEN_NAME:
 293             self.fields['username'] = UserNameField(label=_('Screen name'))
 294             self.fields['username'].initial = user.username
 295             self.fields['username'].user_instance = user
 296         self.fields['email'].initial = user.email
 297         self.fields['realname'].initial = user.real_name
 298         self.fields['website'].initial = user.website
 299         self.fields['city'].initial = user.location
 300
 301         if user.date_of_birth is not None:
 302             self.fields['birthday'].initial = user.date_of_birth
 303
 304         self.fields['about'].initial = user.about
 305         self.user = user
 306
 307     def clean_email(self):
 308         if self.user.email != self.cleaned_data['email']:
 309             if settings.EMAIL_UNIQUE == True:
 310                 if 'email' in self.cleaned_data:
 311                     from forum.models import User
 312                     try:
 313                         User.objects.get(email = self.cleaned_data['email'])
 314                     except User.DoesNotExist:
 315                         return self.cleaned_data['email']
 316                     except User.MultipleObjectsReturned:
 317                         logging.error("Found multiple users sharing the same email: %s" % self.cleaned_data['email'])
 318
 319                     raise forms.ValidationError(_('this email has already been registered, please use another one'))
 320         return self.cleaned_data['email']
 321
 322
 323 NOTIFICATION_CHOICES = (
 324     ('i', _('Instantly')),
 325     #('d', _('Daily')),
 326     #('w', _('Weekly')),
 327     ('n', _('No notifications')),
 328 )
 329
 330 class SubscriptionSettingsForm(forms.ModelForm):
 331     enable_notifications = forms.BooleanField(widget=forms.HiddenInput, required=False)
 332     member_joins = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 333     new_question = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 334     new_question_watched_tags = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 335     subscribed_questions = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 336
 337     class Meta:
 338         model = SubscriptionSettings
 339
 340 class UserPreferencesForm(forms.Form):
 341     sticky_sorts = forms.BooleanField(required=False, initial=False)
 342
 343
 344