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 not bool(settings.FORM_EMPTY_QUESTION_BODY) 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     message = forms.CharField(label=_('Your message:'), max_length=800,widget=forms.Textarea(attrs={'cols':60}))
 139     next = NextUrlField()
 140
 141     def __init__(self, user, *args, **kwargs):
 142         super(FeedbackForm, self).__init__(*args, **kwargs)
 143         if not user.is_authenticated():
 144             self.fields['name'] = forms.CharField(label=_('Your name:'), required=False)
 145             self.fields['email'] = forms.EmailField(label=_('Email (not shared with anyone):'), required=True)
 146
 147
 148
 149 class AskForm(forms.Form):
 150     title  = TitleField()
 151     text   = QuestionEditorField()
 152
 153     def __init__(self, data=None, user=None, *args, **kwargs):
 154         super(AskForm, self).__init__(data, *args, **kwargs)
 155
 156         self.fields['tags']   = TagNamesField(user)
 157
 158         if settings.WIKI_ON:
 159             self.fields['wiki'] = WikiField()
 160
 161 class AnswerForm(forms.Form):
 162     text   = AnswerEditorField()
 163     wiki   = WikiField()
 164
 165     def __init__(self, question, *args, **kwargs):
 166         super(AnswerForm, self).__init__(*args, **kwargs)
 167
 168         if settings.WIKI_ON:
 169             self.fields['wiki'] = WikiField()
 170
 171             #if question.nis.wiki:
 172             #    self.fields['wiki'].initial = True
 173
 174
 175 class RetagQuestionForm(forms.Form):
 176     tags   = TagNamesField()
 177     # initialize the default values
 178     def __init__(self, question, *args, **kwargs):
 179         super(RetagQuestionForm, self).__init__(*args, **kwargs)
 180         self.fields['tags'].initial = question.tagnames
 181
 182 class RevisionForm(forms.Form):
 183     """
 184     Lists revisions of a Question or Answer
 185     """
 186     revision = forms.ChoiceField(widget=forms.Select(attrs={'style' : 'width:520px'}))
 187
 188     def __init__(self, post, *args, **kwargs):
 189         super(RevisionForm, self).__init__(*args, **kwargs)
 190
 191         revisions = post.revisions.all().values_list('revision', 'author__username', 'revised_at', 'summary').order_by('-revised_at')
 192
 193         date_format = '%c'
 194         self.fields['revision'].choices = [
 195             (r[0], u'%s - %s (%s) %s' % (r[0], r[1], r[2].strftime(date_format), r[3]))
 196             for r in revisions]
 197
 198         self.fields['revision'].initial = post.active_revision.revision
 199
 200 class EditQuestionForm(forms.Form):
 201     title  = TitleField()
 202     text   = QuestionEditorField()
 203     summary = SummaryField()
 204
 205     def __init__(self, question, user, revision=None, *args, **kwargs):
 206         super(EditQuestionForm, self).__init__(*args, **kwargs)
 207
 208         if revision is None:
 209             revision = question.active_revision
 210
 211         self.fields['title'].initial = revision.title
 212         self.fields['text'].initial = revision.body
 213
 214         self.fields['tags'] = TagNamesField(user)
 215         self.fields['tags'].initial = revision.tagnames
 216
 217         if settings.WIKI_ON:
 218             self.fields['wiki'] = WikiField(disabled=(question.nis.wiki and not user.can_cancel_wiki(question)), initial=question.nis.wiki)
 219
 220 class EditAnswerForm(forms.Form):
 221     text = AnswerEditorField()
 222     summary = SummaryField()
 223
 224     def __init__(self, answer, user, revision=None, *args, **kwargs):
 225         super(EditAnswerForm, self).__init__(*args, **kwargs)
 226
 227         if revision is None:
 228             revision = answer.active_revision
 229
 230         self.fields['text'].initial = revision.body
 231
 232         if settings.WIKI_ON:
 233             self.fields['wiki'] = WikiField(disabled=(answer.nis.wiki and not user.can_cancel_wiki(answer)), initial=answer.nis.wiki)
 234
 235 class EditUserForm(forms.Form):
 236     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}))
 237     realname = forms.CharField(label=_('Real name'), required=False, max_length=255, widget=forms.TextInput(attrs={'size' : 35}))
 238     website = forms.URLField(label=_('Website'), required=False, max_length=255, widget=forms.TextInput(attrs={'size' : 35}))
 239     city = forms.CharField(label=_('Location'), required=False, max_length=255, widget=forms.TextInput(attrs={'size' : 35}))
 240     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}))
 241     about = forms.CharField(label=_('Profile'), required=False, widget=forms.Textarea(attrs={'cols' : 60}))
 242
 243     def __init__(self, user, *args, **kwargs):
 244         super(EditUserForm, self).__init__(*args, **kwargs)
 245         if settings.EDITABLE_SCREEN_NAME:
 246             self.fields['username'] = UserNameField(label=_('Screen name'))
 247             self.fields['username'].initial = user.username
 248             self.fields['username'].user_instance = user
 249         self.fields['email'].initial = user.email
 250         self.fields['realname'].initial = user.real_name
 251         self.fields['website'].initial = user.website
 252         self.fields['city'].initial = user.location
 253
 254         if user.date_of_birth is not None:
 255             self.fields['birthday'].initial = user.date_of_birth
 256         else:
 257             self.fields['birthday'].initial = '1990-01-01'
 258         self.fields['about'].initial = user.about
 259         self.user = user
 260
 261     def clean_email(self):
 262         if self.user.email != self.cleaned_data['email']:
 263             if settings.EMAIL_UNIQUE == True:
 264                 if 'email' in self.cleaned_data:
 265                     from forum.models import User
 266                     try:
 267                         User.objects.get(email = self.cleaned_data['email'])
 268                     except User.DoesNotExist:
 269                         return self.cleaned_data['email']
 270                     except User.MultipleObjectsReturned:
 271                         logging.error("Found multiple users sharing the same email: %s" % self.cleaned_data['email'])
 272
 273                     raise forms.ValidationError(_('this email has already been registered, please use another one'))
 274         return self.cleaned_data['email']
 275
 276
 277 NOTIFICATION_CHOICES = (
 278     ('i', _('Instantly')),
 279     #('d', _('Daily')),
 280     #('w', _('Weekly')),
 281     ('n', _('No notifications')),
 282 )
 283
 284 class SubscriptionSettingsForm(forms.ModelForm):
 285     enable_notifications = forms.BooleanField(widget=forms.HiddenInput, required=False)
 286     member_joins = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 287     new_question = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 288     new_question_watched_tags = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 289     subscribed_questions = forms.ChoiceField(widget=forms.RadioSelect, choices=NOTIFICATION_CHOICES)
 290
 291     class Meta:
 292         model = SubscriptionSettings
 293
 294 class UserPreferencesForm(forms.Form):
 295     sticky_sorts = forms.BooleanField(required=False, initial=False)
 296
 297
 298