from topic to @@search from

more_url.py

from urllib import urlencode, quote_plus
from plone.memoize.view import memoize
from DateTime.DateTime import DateTime
from Products.Five import BrowserView
from Products.CMFCore.utils import getToolByName

class RelatedItems(BrowserView):
    def __init__(self, context, request):
        self.context = context
        self.request = request
    @memoize
    def more_url(self):
        """We need to get a query and transform it to be a @@search view url
        """
        portal_url = getToolByName(self.context, 'portal_url')()
        search_url = portal_url + '/@@search?x=0&y=0&'

        if hasattr(self.context, 'buildQuery'):

            query = self.context.buildQuery()
            args = []
            for criterion in query:
                processed_value = False
                value = query[criterion]

                if type(value) == dict:
                    value = value['query']

                if type(value) == DateTime:
                    range = query[criterion]['range']
                    args.append('%s.range=%s'%(criterion,quote_plus(range)))
                    d = quote_plus(value.Date())
                    args.append('%s.query:record:list:date=%s'%(criterion,d))
                    processed_value = True

                if type(value) in (list,tuple):
                    arg = ""
                    if len(value) == 1:
                        args.append("%s=%s"%(criterion, quote_plus(value[0])))
                        processed_value = True
                    else:
                        #index:list=first&index:list=second&...
                        for v in value:
                            args.append('%s:list=%s'%(criterion,quote_plus(v)))
                        processed_value = True

                if type(value)==str:
                    args.append('%s=%s'%(criterion,quote_plus(value)))

            return search_url+"&".join(args)