* When saving a calendar event, increment the SEQUENCE property.

[citadel.git] / webcit / event.c

diff --git a/webcit/event.c b/webcit/event.c
index 0cca6db2a05e28a7b4c00c0a8a39c8dc698276a8..e54240db2096d0a59ceb2a68fa30a374268ea4fe 100644 (file)
--- a/webcit/event.c
+++ b/webcit/event.c
@@ -46,6 +46,7 @@ void display_edit_individual_event(icalcomponent *supplied_vevent, long msgnum)
        char buf[SIZ];
        int i;
        int organizer_is_me = 0;
+       int sequence = 0;
 
        now = time(NULL);
        strcpy(organizer_string, "");
@@ -59,6 +60,13 @@ void display_edit_individual_event(icalcomponent *supplied_vevent, long msgnum)
                created_new_vevent = 1;
        }
 
+       /* Learn the sequence */
+       p = icalcomponent_get_first_property(vevent, ICAL_SEQUENCE_PROPERTY);
+       if (p != NULL) {
+               sequence = icalproperty_get_sequence(p);
+       }
+
+       /* Begin output */
        output_headers(3);
        wprintf("<TABLE WIDTH=100%% BORDER=0 BGCOLOR=007700><TR><TD>"
                "<IMG ALIGN=CENTER SRC=\"/static/vcalendar.gif\">"
@@ -74,6 +82,8 @@ void display_edit_individual_event(icalcomponent *supplied_vevent, long msgnum)
        if (p != NULL) {
                escputs((char *)icalproperty_get_comment(p));
        }
+       wprintf("<BR>\n");
+       wprintf("SEQUENCE == %d<BR>\n", sequence);
        *************************************************************/
 
        wprintf("<FORM NAME=\"EventForm\" METHOD=\"POST\" ACTION=\"/save_event\">\n");
@@ -339,6 +349,7 @@ void save_individual_event(icalcomponent *supplied_vevent, long msgnum) {
        int foundit;
        char form_attendees[SIZ];
        char organizer_string[SIZ];
+       int sequence = 0;
 
        if (supplied_vevent != NULL) {
                vevent = supplied_vevent;
@@ -359,7 +370,7 @@ void save_individual_event(icalcomponent *supplied_vevent, long msgnum) {
                }
                icalcomponent_add_property(vevent,
                        icalproperty_new_summary(bstr("summary")));
-               
+
                while (prop = icalcomponent_get_first_property(vevent,
                      ICAL_LOCATION_PROPERTY), prop != NULL) {
                        icalcomponent_remove_property(vevent, prop);
@@ -445,6 +456,19 @@ void save_individual_event(icalcomponent *supplied_vevent, long msgnum) {
                        );
                }
 
+               /* Increment the sequence ID */
+               while (prop = icalcomponent_get_first_property(vevent,
+                     ICAL_SEQUENCE_PROPERTY), (prop != NULL) ) {
+                       i = icalproperty_get_sequence(prop);
+                       if (i > sequence) sequence = i;
+                       icalcomponent_remove_property(vevent, prop);
+                       icalproperty_free(prop);
+               }
+               ++sequence;
+               icalcomponent_add_property(vevent,
+                       icalproperty_new_sequence(sequence)
+               );
+               
                /* Set the organizer, only if one does not already exist *and*
                 * the form is supplying one
                 */