354 lines
14 KiB
Python
354 lines
14 KiB
Python
# -*- coding: utf-8 -*-
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from Acquisition import aq_inner
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from AccessControl import Unauthorized
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from AccessControl import getSecurityManager
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from datetime import datetime
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from DateTime import DateTime
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from urllib import quote as url_quote
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from zope.component import createObject, queryUtility
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from zope.interface import alsoProvides
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from z3c.form import form, field, button, interfaces
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from z3c.form.interfaces import IFormLayer
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from Products.Five.browser.pagetemplatefile import ViewPageTemplateFile
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from Products.CMFCore.utils import getToolByName
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from Products.statusmessages.interfaces import IStatusMessage
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from plone.registry.interfaces import IRegistry
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from plone.app.layout.viewlets.common import ViewletBase
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from plone.app.discussion import PloneAppDiscussionMessageFactory as _
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from plone.app.discussion.interfaces import IConversation
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from plone.app.discussion.interfaces import IComment
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from plone.app.discussion.interfaces import IReplies
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from plone.app.discussion.interfaces import IDiscussionSettings
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from plone.app.discussion.interfaces import ICaptcha
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from plone.app.discussion.browser.validator import CaptchaValidator
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from plone.z3cform import z2
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from plone.z3cform.fieldsets import extensible
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# starting from 0.6.0 version plone.z3cform has IWrappedForm interface
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try:
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from plone.z3cform.interfaces import IWrappedForm
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HAS_WRAPPED_FORM = True
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except ImportError: # pragma: no cover
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HAS_WRAPPED_FORM = False
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class CommentForm(extensible.ExtensibleForm, form.Form):
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ignoreContext = True # don't use context to get widget data
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label = _(u"Add a comment")
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fields = field.Fields(IComment).omit('portal_type',
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'__parent__',
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'__name__',
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'comment_id',
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'mime_type',
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'creator',
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'creation_date',
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'modification_date',
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'author_username')
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def updateFields(self):
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super(CommentForm, self).updateFields()
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#self.fields['author_notification'].widgetFactory =
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# SingleCheckBoxFieldWidget
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def updateWidgets(self):
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super(CommentForm, self).updateWidgets()
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# Widgets
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self.widgets['in_reply_to'].mode = interfaces.HIDDEN_MODE
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self.widgets['text'].addClass("autoresize")
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#self.widgets['author_notification'].label = _(u"")
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# Anonymous / Logged-in
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portal_membership = getToolByName(self.context, 'portal_membership')
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if not portal_membership.isAnonymousUser():
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self.widgets['author_name'].mode = interfaces.HIDDEN_MODE
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self.widgets['author_email'].mode = interfaces.HIDDEN_MODE
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# XXX: Since we are not using the author_email field in the
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# current state, we hide it by default. But we keep the field for
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# integrators or later use.
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self.widgets['author_email'].mode = interfaces.HIDDEN_MODE
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# XXX: Author notification code
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#registry = queryUtility(IRegistry)
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#settings = registry.forInterface(IDiscussionSettings)
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#if not settings.user_notification_enabled:
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# self.widgets['author_notification'].mode = interfaces.HIDDEN_MODE
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def updateActions(self):
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super(CommentForm, self).updateActions()
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self.actions['cancel'].addClass("standalone")
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self.actions['cancel'].addClass("hide")
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self.actions['comment'].addClass("context")
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@button.buttonAndHandler(_(u"add_comment_button", default=u"Comment"),
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name='comment')
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def handleComment(self, action):
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context = aq_inner(self.context)
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wf = getToolByName(context, 'portal_workflow')
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data, errors = self.extractData()
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if errors:
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return
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title = u""
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text = u""
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author_name = u""
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author_email = u""
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#author_notification = None
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# Captcha check for anonymous users (if Captcha is enabled and
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# anonymous commenting is allowed)
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registry = queryUtility(IRegistry)
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settings = registry.forInterface(IDiscussionSettings)
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portal_membership = getToolByName(self.context, 'portal_membership')
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if settings.captcha != 'disabled' and \
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settings.anonymous_comments and \
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portal_membership.isAnonymousUser():
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if not 'captcha' in data:
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data['captcha'] = u""
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captcha = CaptchaValidator(self.context,
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self.request,
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None,
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ICaptcha['captcha'],
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None)
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captcha.validate(data['captcha'])
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# Fetch data from request
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if 'title' in data:
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title = data['title']
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if 'text' in data:
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text = data['text']
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if 'author_name' in data:
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author_name = data['author_name']
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if 'author_email' in data:
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author_email = data['author_email']
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#if 'author_notification' in data:
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# author_notification = data['author_notification']
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# The add-comment view is called on the conversation object
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conversation = IConversation(self.__parent__)
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# Check if conversation is enabled on this content object
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if not conversation.enabled():
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raise Unauthorized, "Discussion is not enabled for this content\
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object."
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if data['in_reply_to']:
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# Fetch the comment we want to reply to
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conversation_to_reply_to = conversation.get(data['in_reply_to'])
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replies = IReplies(conversation_to_reply_to)
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# Create the comment
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comment = createObject('plone.Comment')
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comment.title = title
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comment.text = text
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portal_membership = getToolByName(self.context, 'portal_membership')
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if portal_membership.isAnonymousUser() and \
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settings.anonymous_comments:
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comment.creator = None
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comment.author_name = author_name
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comment.author_email = author_email
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#comment.author_notification = author_notification
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comment.creation_date = comment.modification_date = datetime.utcnow()
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elif not portal_membership.isAnonymousUser():
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member = portal_membership.getAuthenticatedMember()
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comment.creator = member.id
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comment.author_username = member.getUserName()
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comment.author_name = member.getProperty('fullname')
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comment.author_email = member.getProperty('email')
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#comment.author_notification = comment.author_notification
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comment.creation_date = comment.modification_date = datetime.utcnow()
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else:
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raise Unauthorized, "Anonymous user tries to post a comment, but \
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anonymous commenting is disabled."
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# Check if the added comment is a reply to an existing comment
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# or just a regular reply to the content object.
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if data['in_reply_to']:
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# Add a reply to an existing comment
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comment_id = replies.addComment(comment)
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else:
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# Add a comment to the conversation
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comment_id = conversation.addComment(comment)
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# If a user post a comment and moderation is enabled, a message is shown
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# to the user that his/her comment awaits moderation. If the user has
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# manage right, he/she is redirected directly to the comment.
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can_manage = getSecurityManager().checkPermission('Manage portal',
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context)
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if wf.getChainForPortalType('Discussion Item') == \
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('comment_review_workflow',) and not can_manage:
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# Show info message when comment moderation is enabled
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IStatusMessage(self.context.REQUEST).addStatusMessage(
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_("Your comment awaits moderator approval."),
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type="info")
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self.request.response.redirect(self.action)
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else:
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# Redirect to comment (inside a content object page)
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self.request.response.redirect(self.action + '#' + str(comment_id))
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@button.buttonAndHandler(_(u"Cancel"))
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def handleCancel(self, action):
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# This method should never be called, it's only there to show
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# a cancel button that is handled by a jQuery method.
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pass
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class CommentsViewlet(ViewletBase):
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form = CommentForm
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index = ViewPageTemplateFile('comments.pt')
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def update(self):
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super(CommentsViewlet, self).update()
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z2.switch_on(self, request_layer=IFormLayer)
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self.form = self.form(aq_inner(self.context), self.request)
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if HAS_WRAPPED_FORM:
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alsoProvides(self.form, IWrappedForm)
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self.form.update()
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# view methods
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def cook(self, text):
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transforms = getToolByName(self, 'portal_transforms')
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targetMimetype = 'text/html'
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registry = queryUtility(IRegistry)
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settings = registry.forInterface(IDiscussionSettings)
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mimetype = settings.text_transform
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return transforms.convertTo(targetMimetype,
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text,
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context=self,
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mimetype=mimetype).getData()
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def can_reply(self):
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return getSecurityManager().checkPermission('Reply to item',
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aq_inner(self.context))
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def can_manage(self):
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return getSecurityManager().checkPermission('Manage portal',
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aq_inner(self.context))
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def is_discussion_allowed(self):
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context = aq_inner(self.context)
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conversation = IConversation(context)
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return conversation.enabled()
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def has_replies(self, workflow_actions=False):
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"""Returns true if there are replies.
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"""
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if self.get_replies(workflow_actions) is not None:
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try:
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self.get_replies(workflow_actions).next()
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return True
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except StopIteration:
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pass
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return False
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def get_replies(self, workflow_actions=False):
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"""Returns all replies to a content object.
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If workflow_actions is false, only published
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comments are returned.
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If workflow actions is true, comments are
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returned with workflow actions.
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"""
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context = aq_inner(self.context)
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conversation = IConversation(context)
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wf = getToolByName(context, 'portal_workflow')
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# workflow_actions is only true when user
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# has 'Manage portal' permission
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def replies_with_workflow_actions():
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# Generator that returns replies dict with workflow actions
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for r in conversation.getThreads():
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comment_obj = r['comment']
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# list all possible workflow actions
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actions = [a for a in wf.listActionInfos(object=comment_obj)
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if a['category'] == 'workflow' and a['allowed']]
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r = r.copy()
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r['actions'] = actions
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yield r
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def published_replies():
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# Generator that returns replies dict with workflow status.
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for r in conversation.getThreads():
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comment_obj = r['comment']
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workflow_status = wf.getInfoFor(comment_obj, 'review_state')
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if workflow_status == 'published':
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r = r.copy()
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r['workflow_status'] = workflow_status
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yield r
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# Return all direct replies
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if conversation.total_comments > 0:
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if workflow_actions:
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return replies_with_workflow_actions()
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else:
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return published_replies()
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def get_commenter_home_url(self, username=None):
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if username is None:
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return None
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else:
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return "%s/author/%s" % (self.context.portal_url(), username)
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def get_commenter_portrait(self, username=None):
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if username is None:
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# return the default user image if no username is given
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return 'defaultUser.gif'
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else:
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portal_membership = getToolByName(self.context,
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'portal_membership',
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None)
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return portal_membership.getPersonalPortrait(username)\
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.absolute_url()
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def anonymous_discussion_allowed(self):
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# Check if anonymous comments are allowed in the registry
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registry = queryUtility(IRegistry)
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settings = registry.forInterface(IDiscussionSettings)
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return settings.anonymous_comments
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def show_commenter_image(self):
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# Check if showing commenter image is enabled in the registry
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registry = queryUtility(IRegistry)
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settings = registry.forInterface(IDiscussionSettings)
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return settings.show_commenter_image
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def is_anonymous(self):
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portal_membership = getToolByName(self.context,
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'portal_membership',
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None)
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return portal_membership.isAnonymousUser()
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def login_action(self):
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return '%s/login_form?came_from=%s' % \
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(self.navigation_root_url,
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url_quote(self.request.get('URL', '')),)
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def format_time(self, time):
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# We have to transform Python datetime into Zope DateTime
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# before we can call toLocalizedTime.
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util = getToolByName(self.context, 'translation_service')
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zope_time = DateTime(time.isoformat())
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return util.toLocalizedTime(zope_time, long_format=True)
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