* serv_calendar.c: registered a fixed output hook for text/calendar.

[citadel.git] / citadel / serv_calendar.c

diff --git a/citadel/serv_calendar.c b/citadel/serv_calendar.c
index 9baed0f7502a88a8600ba08bda51862228d2fe78..2d8a3824091c6208660754bf72d29b21ce8f5914 100644 (file)
--- a/citadel/serv_calendar.c
+++ b/citadel/serv_calendar.c
@@ -1893,6 +1893,143 @@ void ical_session_shutdown(void) {
 }
 
 
+/*
+ * Back end for ical_fixed_output()
+ */
+void ical_fixed_output_backend(icalcomponent *cal,
+                       int recursion_level
+) {
+       icalcomponent *c;
+       icalproperty *method = NULL;
+       icalproperty_method the_method = ICAL_METHOD_NONE;
+       icalproperty *p;
+       struct icaltimetype t;
+       time_t tt;
+       char buf[256];
+
+       /* Look for a method */
+       method = icalcomponent_get_first_property(cal, ICAL_METHOD_PROPERTY);
+
+       /* See what we need to do with this */
+       if (method != NULL) {
+               the_method = icalproperty_get_method(method);
+               switch(the_method) {
+                   case ICAL_METHOD_REQUEST:
+                       cprintf("Meeting invitation\n");
+                       break;
+                   case ICAL_METHOD_REPLY:
+                       cprintf("Attendee's reply to your invitation\n");
+                       break;
+                   case ICAL_METHOD_PUBLISH:
+                       cprintf("Published event\n");
+                       break;
+                   default:
+                       cprintf("This is an unknown type of calendar item.\n");
+                       break;
+               }
+       }
+
+       p = icalcomponent_get_first_property(cal, ICAL_SUMMARY_PROPERTY);
+       if (p != NULL) {
+               cprintf("Summary: %s\n", (const char *)icalproperty_get_comment(p));
+       }
+
+       p = icalcomponent_get_first_property(cal, ICAL_LOCATION_PROPERTY);
+       if (p != NULL) {
+               cprintf("Location: %s\n", (const char *)icalproperty_get_comment(p));
+       }
+
+       /*
+        * Only show start/end times if we're actually looking at the VEVENT
+        * component.  Otherwise it shows bogus dates for things like timezone.
+        */
+       if (icalcomponent_isa(cal) == ICAL_VEVENT_COMPONENT) {
+
+               p = icalcomponent_get_first_property(cal,
+                                               ICAL_DTSTART_PROPERTY);
+               if (p != NULL) {
+                       t = icalproperty_get_dtstart(p);
+
+                       if (t.is_date) {
+                               cprintf("Date: %s %d, %d\n",
+                                       ascmonths[t.month - 1],
+                                       t.day, t.year
+                               );
+                       }
+                       else {
+                               tt = icaltime_as_timet(t);
+                               fmt_date(buf, sizeof buf, tt, 0);
+                               cprintf("Starting date/time: %s\n", buf);
+                       }
+               }
+       
+               p = icalcomponent_get_first_property(cal, ICAL_DTEND_PROPERTY);
+               if (p != NULL) {
+                       t = icalproperty_get_dtend(p);
+                       tt = icaltime_as_timet(t);
+                       fmt_date(buf, sizeof buf, tt, 0);
+                       cprintf("Ending date/time: %s\n", buf);
+               }
+
+       }
+
+       p = icalcomponent_get_first_property(cal, ICAL_DESCRIPTION_PROPERTY);
+       if (p != NULL) {
+               cprintf("Description: %s\n", (const char *)icalproperty_get_comment(p));
+       }
+
+       /* If the component has attendees, iterate through them. */
+       for (p = icalcomponent_get_first_property(cal, ICAL_ATTENDEE_PROPERTY); (p != NULL); p = icalcomponent_get_next_property(cal, ICAL_ATTENDEE_PROPERTY)) {
+               cprintf("Attendee: ");
+               safestrncpy(buf, icalproperty_get_attendee(p), sizeof buf);
+               if (!strncasecmp(buf, "MAILTO:", 7)) {
+
+                       /* screen name or email address */
+                       strcpy(buf, &buf[7]);
+                       striplt(buf);
+                       cprintf("%s ", buf);
+               }
+               cprintf("\n");
+       }
+
+       /* If the component has subcomponents, recurse through them. */
+       for (c = icalcomponent_get_first_component(cal, ICAL_ANY_COMPONENT);
+           (c != 0);
+           c = icalcomponent_get_next_component(cal, ICAL_ANY_COMPONENT)) {
+               /* Recursively process subcomponent */
+               ical_fixed_output_backend(c, recursion_level+1);
+       }
+}
+
+
+
+/*
+ * Function to output a calendar item  as plain text.  Nobody uses MSG0
+ * anymore, so really this is just so we expose the vCard data to the full
+ * text indexer.
+ */
+void ical_fixed_output(char *ptr, int len) {
+       icalcomponent *cal;
+       char *stringy_cal;
+
+       stringy_cal = malloc(len + 1);
+       safestrncpy(stringy_cal, ptr, len + 1);
+       cal = icalcomponent_new_from_string(stringy_cal);
+       free(stringy_cal);
+
+       if (cal == NULL) {
+               cprintf("There was an error parsing this calendar item.\n");
+               return;
+       }
+
+       ical_dezonify(cal);
+       ical_fixed_output_backend(cal, 0);
+
+       /* Free the memory we obtained from libical's constructor */
+       icalcomponent_free(cal);
+}
+
+
 #endif /* CITADEL_WITH_CALENDAR_SERVICE */
 
 /*
@@ -1907,6 +2044,7 @@ char *serv_calendar_init(void)
        CtdlRegisterProtoHook(cmd_ical, "ICAL", "Citadel iCal commands");
        CtdlRegisterSessionHook(ical_session_startup, EVT_START);
        CtdlRegisterSessionHook(ical_session_shutdown, EVT_STOP);
+       CtdlRegisterFixedOutputHook("text/calendar", ical_fixed_output);
 #endif
        return "$Id$";
 }