Mercurial > public > sg101

annotate forums/forms.py @ 846:fbfc9b6fac96

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Use new updated Halloween NSSR banner from Niels.
author Brian Neal <bgneal@gmail.com>
date Tue, 21 Oct 2014 18:50:16 -0500
parents 71d17d267e27
children 5366c29d6dce
rev   line source
bgneal@83 1 """
bgneal@83 2 Forms for the forums application.
bgneal@469 3
bgneal@83 4 """
bgneal@83 5 from django import forms
bgneal@95 6 from django.conf import settings
bgneal@83 7
bgneal@110 8 from forums.models import Forum
bgneal@83 9 from forums.models import Topic
bgneal@83 10 from forums.models import Post
bgneal@285 11 from forums.attachments import AttachmentProcessor
bgneal@460 12 import forums.permissions as perms
bgneal@469 13 from forums.signals import notify_new_topic, notify_new_post
bgneal@83 14
bgneal@83 15
bgneal@722 16 FORUMS_FORM_CSS = {
bgneal@722 17 'all': (settings.GPP_THIRD_PARTY_CSS['markitup'] +
bgneal@722 18 settings.GPP_THIRD_PARTY_CSS['jquery-ui'])
bgneal@722 19 }
bgneal@722 20 FORUMS_FORM_JS = (
bgneal@722 21 settings.GPP_THIRD_PARTY_JS['markitup'] +
bgneal@722 22 settings.GPP_THIRD_PARTY_JS['jquery-ui'] +
bgneal@722 23 ['js/jquery.form.min.js', 'js/forums.js']
bgneal@722 24 )
bgneal@722 25
bgneal@722 26
bgneal@106 27 class NewPostForm(forms.Form):
bgneal@86 28 """Form for creating a new post."""
bgneal@286 29 body = forms.CharField(label='',
bgneal@286 30 required=False,
bgneal@135 31 widget=forms.Textarea(attrs={'class': 'markItUp smileyTarget'}))
bgneal@89 32 topic_id = forms.IntegerField(widget=forms.HiddenInput)
bgneal@89 33 topic = None
bgneal@83 34
bgneal@89 35 class Media:
bgneal@722 36 css = FORUMS_FORM_CSS
bgneal@722 37 js = FORUMS_FORM_JS
bgneal@89 38
bgneal@285 39 def __init__(self, *args, **kwargs):
bgneal@285 40 super(NewPostForm, self).__init__(*args, **kwargs)
bgneal@285 41 attachments = args[0].getlist('attachment') if len(args) else []
bgneal@285 42 self.attach_proc = AttachmentProcessor(attachments)
bgneal@285 43
bgneal@286 44 def clean_body(self):
bgneal@286 45 data = self.cleaned_data['body']
bgneal@286 46 if not data and not self.attach_proc.has_attachments():
bgneal@286 47 raise forms.ValidationError("This field is required.")
bgneal@286 48 return data
bgneal@286 49
bgneal@89 50 def clean_topic_id(self):
bgneal@89 51 id = self.cleaned_data['topic_id']
bgneal@89 52 try:
bgneal@102 53 self.topic = Topic.objects.select_related().get(pk=id)
bgneal@89 54 except Topic.DoesNotExist:
bgneal@89 55 raise forms.ValidationError('invalid topic')
bgneal@286 56 return id
bgneal@89 57
bgneal@89 58 def save(self, user, ip=None):
bgneal@86 59 """
bgneal@86 60 Creates a new post from the form data and supplied arguments.
bgneal@86 61 """
bgneal@89 62 post = Post(topic=self.topic, user=user, body=self.cleaned_data['body'],
bgneal@89 63 user_ip=ip)
bgneal@86 64 post.save()
bgneal@285 65 self.attach_proc.save_attachments(post)
bgneal@469 66 notify_new_post(post)
bgneal@89 67 return post
bgneal@83 68
bgneal@83 69
bgneal@83 70 class NewTopicForm(forms.Form):
bgneal@102 71 """
bgneal@102 72 Form for creating a new topic and 1st post to that topic.
bgneal@102 73 Superusers and moderators can also create the topic as a sticky or initially
bgneal@102 74 locked.
bgneal@102 75 """
bgneal@95 76 name = forms.CharField(label='Subject', max_length=255,
bgneal@673 77 widget=forms.TextInput(attrs={'style': 'width:70%'}))
bgneal@286 78 body = forms.CharField(label='', required=False,
bgneal@135 79 widget=forms.Textarea(attrs={'class': 'markItUp smileyTarget'}))
bgneal@102 80 user = None
bgneal@102 81 forum = None
bgneal@102 82 has_mod_fields = False
bgneal@83 83
bgneal@95 84 class Media:
bgneal@722 85 css = FORUMS_FORM_CSS
bgneal@722 86 js = FORUMS_FORM_JS
bgneal@95 87
bgneal@102 88 def __init__(self, user, forum, *args, **kwargs):
bgneal@102 89 super(NewTopicForm, self).__init__(*args, **kwargs)
bgneal@102 90 self.user = user
bgneal@102 91 self.forum = forum
bgneal@102 92
bgneal@460 93 if perms.can_moderate(forum, user):
bgneal@102 94 self.fields['sticky'] = forms.BooleanField(required=False)
bgneal@102 95 self.fields['locked'] = forms.BooleanField(required=False)
bgneal@102 96 self.has_mod_fields = True
bgneal@102 97
bgneal@285 98 attachments = args[0].getlist('attachment') if len(args) else []
bgneal@285 99 self.attach_proc = AttachmentProcessor(attachments)
bgneal@285 100
bgneal@286 101 # If this form is being POSTed, and the user is trying to add
bgneal@286 102 # attachments, create hidden fields to list the Oembed ids. In
bgneal@286 103 # case the form isn't valid, the client-side javascript will know
bgneal@286 104 # which Oembed media to ask for when the form is displayed with
bgneal@286 105 # errors.
bgneal@286 106 if self.attach_proc.has_attachments():
bgneal@286 107 pks = self.attach_proc.get_ids()
bgneal@286 108 self.fields['attachment'] = forms.MultipleChoiceField(label='',
bgneal@286 109 widget=forms.MultipleHiddenInput(),
bgneal@286 110 choices=[(v, v) for v in pks])
bgneal@286 111
bgneal@286 112 def clean_body(self):
bgneal@286 113 data = self.cleaned_data['body']
bgneal@286 114 if not data and not self.attach_proc.has_attachments():
bgneal@286 115 raise forms.ValidationError("This field is required.")
bgneal@286 116 return data
bgneal@286 117
bgneal@102 118 def save(self, ip=None):
bgneal@83 119 """
bgneal@83 120 Creates the new Topic and first Post from the form data and supplied
bgneal@86 121 arguments.
bgneal@83 122 """
bgneal@102 123 topic = Topic(forum=self.forum,
bgneal@83 124 name=self.cleaned_data['name'],
bgneal@102 125 user=self.user,
bgneal@102 126 sticky=self.has_mod_fields and self.cleaned_data['sticky'],
bgneal@102 127 locked=self.has_mod_fields and self.cleaned_data['locked'])
bgneal@83 128 topic.save()
bgneal@83 129
bgneal@83 130 post = Post(topic=topic,
bgneal@102 131 user=self.user,
bgneal@83 132 body=self.cleaned_data['body'],
bgneal@83 133 user_ip=ip)
bgneal@83 134 post.save()
bgneal@285 135
bgneal@285 136 self.attach_proc.save_attachments(post)
bgneal@285 137
bgneal@469 138 notify_new_topic(topic)
bgneal@469 139 notify_new_post(post)
bgneal@469 140
bgneal@83 141 return topic
bgneal@106 142
bgneal@106 143
bgneal@106 144 class PostForm(forms.ModelForm):
bgneal@106 145 """
bgneal@108 146 Form for editing an existing post or a new, non-quick post.
bgneal@106 147 """
bgneal@286 148 body = forms.CharField(label='',
bgneal@286 149 required=False,
bgneal@135 150 widget=forms.Textarea(attrs={'class': 'markItUp smileyTarget'}))
bgneal@106 151
bgneal@106 152 class Meta:
bgneal@106 153 model = Post
bgneal@106 154 fields = ('body', )
bgneal@106 155
bgneal@106 156 class Media:
bgneal@722 157 css = FORUMS_FORM_CSS
bgneal@722 158 js = FORUMS_FORM_JS
bgneal@110 159
bgneal@286 160 def __init__(self, *args, **kwargs):
bgneal@295 161 topic_name = kwargs.pop('topic_name', None)
bgneal@286 162 super(PostForm, self).__init__(*args, **kwargs)
bgneal@286 163
bgneal@295 164 if topic_name is not None: # this is a "first post"
bgneal@295 165 self.fields.insert(0, 'name', forms.CharField(label='Subject',
bgneal@295 166 max_length=255,
bgneal@295 167 widget=forms.TextInput(attrs={'size': 64})))
bgneal@295 168 self.initial['name'] = topic_name
bgneal@295 169
bgneal@286 170 attachments = args[0].getlist('attachment') if len(args) else []
bgneal@286 171 self.attach_proc = AttachmentProcessor(attachments)
bgneal@295 172
bgneal@286 173 # If this form is being used to edit an existing post, and that post
bgneal@286 174 # has attachments, create a hidden post_id field. The client-side
bgneal@286 175 # AJAX will use this as a cue to retrieve the HTML for the embedded
bgneal@286 176 # media.
bgneal@286 177 if 'instance' in kwargs:
bgneal@286 178 post = kwargs['instance']
bgneal@286 179 if post.attachments.count():
bgneal@286 180 self.fields['post_id'] = forms.CharField(label='',
bgneal@286 181 widget=forms.HiddenInput(attrs={'value': post.id}))
bgneal@286 182
bgneal@286 183 def clean_body(self):
bgneal@286 184 data = self.cleaned_data['body']
bgneal@286 185 if not data and not self.attach_proc.has_attachments():
bgneal@286 186 raise forms.ValidationError('This field is required.')
bgneal@286 187 return data
bgneal@286 188
bgneal@295 189 def save(self, *args, **kwargs):
bgneal@295 190 commit = kwargs.get('commit', False)
bgneal@295 191 post = super(PostForm, self).save(*args, **kwargs)
bgneal@295 192
bgneal@295 193 # Are we saving a "first post"?
bgneal@295 194 if 'name' in self.cleaned_data:
bgneal@295 195 post.topic.name = self.cleaned_data['name']
bgneal@295 196 if commit:
bgneal@295 197 post.topic.save()
bgneal@295 198 return post
bgneal@295 199
bgneal@110 200
bgneal@110 201 class MoveTopicForm(forms.Form):
bgneal@111 202 """
bgneal@111 203 Form for a moderator to move a topic to a forum.
bgneal@111 204 """
bgneal@286 205 forums = forms.ModelChoiceField(label='Move to forum',
bgneal@111 206 queryset=Forum.objects.none())
bgneal@110 207
bgneal@111 208 def __init__(self, user, *args, **kwargs):
bgneal@286 209 hide_label = kwargs.pop('hide_label', False)
bgneal@111 210 required = kwargs.pop('required', True)
bgneal@111 211 super(MoveTopicForm, self).__init__(*args, **kwargs)
bgneal@111 212 self.fields['forums'].queryset = \
bgneal@111 213 Forum.objects.forums_for_user(user).order_by('name')
bgneal@111 214 if hide_label:
bgneal@111 215 self.fields['forums'].label = ''
bgneal@111 216 self.fields['forums'].required = required
bgneal@110 217
bgneal@115 218
bgneal@115 219 class SplitTopicForm(forms.Form):
bgneal@115 220 """
bgneal@115 221 Form for a moderator to split posts from a topic to a new topic.
bgneal@115 222 """
bgneal@115 223 name = forms.CharField(label='New topic title', max_length=255,
bgneal@115 224 widget=forms.TextInput(attrs={'size': 64}))
bgneal@286 225 forums = forms.ModelChoiceField(label='Forum for new topic',
bgneal@115 226 queryset=Forum.objects.none())
bgneal@115 227 post_ids = []
bgneal@115 228 split_at = False
bgneal@115 229
bgneal@115 230 def __init__(self, user, *args, **kwargs):
bgneal@115 231 super(SplitTopicForm, self).__init__(*args, **kwargs)
bgneal@115 232 self.fields['forums'].queryset = \
bgneal@115 233 Forum.objects.forums_for_user(user).order_by('name')
bgneal@115 234
bgneal@115 235 def clean(self):
bgneal@115 236 self.post_ids = self.data.getlist('post_ids')
bgneal@115 237 if len(self.post_ids) == 0:
bgneal@115 238 raise forms.ValidationError('Please select some posts')
bgneal@115 239
bgneal@115 240 self.split_at = 'split-at' in self.data
bgneal@115 241 if self.split_at and len(self.post_ids) > 1:
bgneal@115 242 raise forms.ValidationError('Please select only one post to split the topic at')
bgneal@115 243
bgneal@115 244 return self.cleaned_data