# Generate events from photos



@prefix exif: <http://www.w3.org/2000/10/swap/pim/exif#>.
@prefix file: <http://www.w3.org/2000/10/swap/pim/file#>.
@prefix cal: <http://www.w3.org/2002/12/cal/ical#> .
@prefix apple: <http://www.w3.org/2002/12/cal/prod/Apple_Comp_628d9d8459c556fa#> .
@prefix dc: <http://purl.org/dc/elements/1.1/> .
@prefix log: <http://www.w3.org/2000/10/swap/log#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix s: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix string: <http://www.w3.org/2000/10/swap/string#> .
@prefix time: <http://www.w3.org/2000/10/swap/time#> .
@prefix math: <http://www.w3.org/2000/10/swap/math#> .

@prefix : <#>.
@keywords is, a , of.

# @@ use photo date if it exists

{} => {myPhotoCalender a cal:Vcalendar. }. # Make it a rule


# Does it really need some norminal kludged end time?
{   ?PHOTO file:date ?DATE;  log:uri 	?URI.

    (?DATE.time:inSeconds  600)   math:sum  ?END!time:inSeconds. 

} => {
    ?PHOTO :event [
	is cal:component of myPhotoCalender;
	a cal:Vevent;
        cal:dtstart  [cal:dateTime ?DATE];
        cal:dtend  [cal:dateTime ?END];
        cal:summary "Photo";
        cal:url ?PHOTO
     ]
}.