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