plone.app.discussion/plone/app/discussion/events.py

""" Custom discussion events
"""
from plone.app.discussion.interfaces import ICommentAddedEvent
from plone.app.discussion.interfaces import ICommentRemovedEvent
from plone.app.discussion.interfaces import IDiscussionEvent
from plone.app.discussion.interfaces import IReplyAddedEvent
from plone.app.discussion.interfaces import IReplyRemovedEvent
from zope.interface import implements


class DiscussionEvent(object):
    """ Custom event
    """
    implements(IDiscussionEvent)

    def __init__(self, context, comment, **kwargs):
        self.object = context
        self.comment = comment
        for key, value in kwargs.items():
            setattr(self, key, value)

        # Add event to the request to be able to access comment attributes
        # in content-rules dynamic strings
        request = context.REQUEST
        request.set('event', self)


class CommentAddedEvent(DiscussionEvent):
    """ Event to be triggered when a Comment is added
    """
    implements(ICommentAddedEvent)


class CommentRemovedEvent(DiscussionEvent):
    """ Event to be triggered when a Comment is removed
    """
    implements(ICommentRemovedEvent)


class ReplyAddedEvent(DiscussionEvent):
    """ Event to be triggered when a Comment reply is added
    """
    implements(IReplyAddedEvent)


class ReplyRemovedEvent(DiscussionEvent):
    """ Event to be triggered when a Comment reply is removed
    """
    implements(IReplyRemovedEvent)