from plone.portlets.interfaces import IPortletDataProvider
from plone.app.portlets.portlets import base
from Products.Five.browser.pagetemplatefile import ViewPageTemplateFile
from zope.interface import implements

from Products.CMFCore.utils import getToolByName

class IMemoriesPortlet(IPortletDataProvider):
    """ portlet """

class Assignment(base.Assignment):
    implements(IMemoriesPortlet)
    title = 'Memories'

class Renderer(base.Renderer):

    _template = ViewPageTemplateFile('memories.pt')
    updated = False
    render = _template

    def is_anonymous(self):
        membership = getToolByName(self.context, 'portal_membership', None)
        if membership is None or membership.isAnonymousUser():
            return True
        return False

    def portal_url(self):
        portal_url = getToolByName(self.context, 'portal_url')
        return portal_url()

class AddForm(base.NullAddForm):
    
    def create(self):
        return Assignment()