##parameters=portfolio
from Products.Plinn.PloneMisc import Batch
from Products.CMFCore.utils import getToolByName
from Products.CMFCore.permissions import ReviewPortalContent
mtool = getToolByName(context, 'portal_membership')
pptool = getToolByName(context, 'portal_photo_print', None)
uidtool = getToolByName(context, 'portal_uidhandler')

features = {}
def toggleSelection(o, selected) :
	if selected :
		return '%s/remove_to_selection' % o.absolute_url()
	else :
		return '%s/add_to_selection' % o.absolute_url()
	
features['select'] = toggleSelection
features['cart'] = lambda o : '%s/get_slide_buyable_items' % o.absolute_url()

if mtool.checkPermission(ReviewPortalContent, context) :
    features['hideAnonymous'] = True

req = context.REQUEST
pho_start = req.get('pho_start', 0)
batch = Batch(portfolio.listNearestFolderContents(contentFilter={'portal_type' : ['Photo']}, sorted=True),
			  context.default_batch_size, pho_start, orphan=5, quantumleap=1, b_start_str='pho_start')


infos = []
sd = context.session_data_manager.getSessionData(create = 1)
selDict = sd.get('objects_selection_dict', {})
cart = sd.get('cart', None)

for p in batch :
	className = ''
	uid = getattr(p, 'cmf_uid', None)
	if uid is not None :
		uid = uid()
	absUrl = p.absolute_url()
	selected = selDict.has_key(uid)
	hiddenForAnonymous = p.hiddenForAnonymous()
	if pptool :
		buyable = bool(pptool.getPrintingOptionsFor(p))
		if cart and cart.locked :
			buyable = False
	else :
		buyable = False
	
	if selected :
		className = 'selected'
	if hiddenForAnonymous :
		className = 'hidden-slide'
	
	d = {'href'		: absUrl
		,'thumbUrl'	: '%s/getThumbnail' % absUrl
		,'thumbSize': p.getThumbnailSize()
		,'title'	: ('%s - %s' % (p.Title(), p.Description())).strip(' -')
		,'selected'	: selected
		,'hiddenForAnonymous' : hiddenForAnonymous
		,'cmf_uid'	: uidtool.register(p)
		,'buyable'  : buyable
		,'className': className
		,'o'		: p
		}
	infos.append(d)

return {'infos':infos, 'batch':batch, 'features':features}