4 * Functions which handle calendar objects and their processing/display.
12 * Process a calendar object. At this point it's already been deserialized by cal_process_attachment()
14 * cal: the calendar object
15 * recursion_level: Number of times we've recursed into this function
16 * msgnum: Message number on the Citadel server
17 * cal_partnum: MIME part number within that message containing the calendar object
19 void cal_process_object(icalcomponent *cal,
25 icalproperty *method = NULL;
26 icalproperty_method the_method = ICAL_METHOD_NONE;
28 struct icaltimetype t;
31 char conflict_name[256];
32 char conflict_message[256];
35 static int divcount = 0;
37 sprintf(divname, "rsvp%04x", ++divcount);
39 /* Leading HTML for the display of this object */
40 if (recursion_level == 0) {
41 wprintf("<div class=\"mimepart\">\n");
44 /* Look for a method */
45 method = icalcomponent_get_first_property(cal, ICAL_METHOD_PROPERTY);
47 /* See what we need to do with this */
49 the_method = icalproperty_get_method(method);
52 wprintf("<div id=\"%s_title\">", divname);
53 wprintf("<img src=\"static/calarea_48x.gif\">");
56 case ICAL_METHOD_REQUEST:
57 title = _("Meeting invitation");
59 case ICAL_METHOD_REPLY:
60 title = _("Attendee's reply to your invitation");
62 case ICAL_METHOD_PUBLISH:
63 title = _("Published event");
66 title = _("This is an unknown type of calendar item.");
71 wprintf(" %s",title);
76 p = icalcomponent_get_first_property(cal, ICAL_SUMMARY_PROPERTY);
79 wprintf(_("Summary:"));
81 escputs((char *)icalproperty_get_comment(p));
85 p = icalcomponent_get_first_property(cal, ICAL_LOCATION_PROPERTY);
88 wprintf(_("Location:"));
90 escputs((char *)icalproperty_get_comment(p));
95 * Only show start/end times if we're actually looking at the VEVENT
96 * component. Otherwise it shows bogus dates for things like timezone.
98 if (icalcomponent_isa(cal) == ICAL_VEVENT_COMPONENT) {
100 p = icalcomponent_get_first_property(cal, ICAL_DTSTART_PROPERTY);
102 t = icalproperty_get_dtstart(p);
107 memset(&d_tm, 0, sizeof d_tm);
108 d_tm.tm_year = t.year - 1900;
109 d_tm.tm_mon = t.month - 1;
110 d_tm.tm_mday = t.day;
111 wc_strftime(d_str, sizeof d_str, "%x", &d_tm);
114 wprintf("</dt><dd>%s</dd>", d_str);
117 tt = icaltime_as_timet(t);
118 webcit_fmt_date(buf, tt, 0);
120 wprintf(_("Starting date/time:"));
121 wprintf("</dt><dd>%s</dd>", buf);
125 p = icalcomponent_get_first_property(cal, ICAL_DTEND_PROPERTY);
127 t = icalproperty_get_dtend(p);
128 tt = icaltime_as_timet(t);
129 webcit_fmt_date(buf, tt, 0);
131 wprintf(_("Ending date/time:"));
132 wprintf("</dt><dd>%s</dd>", buf);
137 p = icalcomponent_get_first_property(cal, ICAL_DESCRIPTION_PROPERTY);
140 wprintf(_("Description:"));
141 wprintf("</dt><dd>");
142 escputs((char *)icalproperty_get_comment(p));
146 /* If the component has attendees, iterate through them. */
147 for (p = icalcomponent_get_first_property(cal, ICAL_ATTENDEE_PROPERTY);
149 p = icalcomponent_get_next_property(cal, ICAL_ATTENDEE_PROPERTY)) {
151 wprintf(_("Attendee:"));
152 wprintf("</dt><dd>");
153 safestrncpy(buf, icalproperty_get_attendee(p), sizeof buf);
154 if (!strncasecmp(buf, "MAILTO:", 7)) {
156 /** screen name or email address */
157 strcpy(buf, &buf[7]);
162 /** participant status */
163 partstat_as_string(buf, p);
169 /* If the component has subcomponents, recurse through them. */
170 for (c = icalcomponent_get_first_component(cal, ICAL_ANY_COMPONENT);
172 c = icalcomponent_get_next_component(cal, ICAL_ANY_COMPONENT)) {
173 /* Recursively process subcomponent */
174 cal_process_object(c, recursion_level+1, msgnum, cal_partnum);
177 /* If this is a REQUEST, display conflicts and buttons */
178 if (the_method == ICAL_METHOD_REQUEST) {
180 /* Check for conflicts */
181 lprintf(9, "Checking server calendar for conflicts...\n");
182 serv_printf("ICAL conflicts|%ld|%s|", msgnum, cal_partnum);
183 serv_getln(buf, sizeof buf);
185 while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
186 extract_token(conflict_name, buf, 3, '|', sizeof conflict_name);
187 is_update = extract_int(buf, 4);
190 snprintf(conflict_message, sizeof conflict_message,
191 _("This is an update of '%s' which is already in your calendar."), conflict_name);
194 snprintf(conflict_message, sizeof conflict_message,
195 _("This event would conflict with '%s' which is already in your calendar."), conflict_name);
204 wprintf("</dt><dd>");
205 escputs(conflict_message);
209 lprintf(9, "...done.\n");
213 /* Display the Accept/Decline buttons */
214 wprintf("<p id=\"%s_question\">"
216 " <span class=\"button_link\"> "
217 "<a href=\"javascript:RespondToInvitation('%s_question','%s_title','%ld','%s','Accept');\">%s</a>"
218 "</span> <span class=\"button_link\">"
219 "<a href=\"javascript:RespondToInvitation('%s_question','%s_title','%ld','%s','Tentative');\">%s</a>"
220 "</span> <span class=\"button_link\">"
221 "<a href=\"javascript:RespondToInvitation('%s_question','%s_title','%ld','%s','Decline');\">%s</a>"
224 _("How would you like to respond to this invitation?"),
225 divname, divname, msgnum, cal_partnum, _("Accept"),
226 divname, divname, msgnum, cal_partnum, _("Tentative"),
227 divname, divname, msgnum, cal_partnum, _("Decline")
232 /* If this is a REPLY, display update button */
233 if (the_method == ICAL_METHOD_REPLY) {
235 /* In the future, if we want to validate this object before
236 * continuing, we can do it this way:
237 serv_printf("ICAL whatever|%ld|%s|", msgnum, cal_partnum);
238 serv_getln(buf, sizeof buf);
242 /* Display the update buttons */
243 wprintf("<p id=\"%s_question\" >"
245 " <span class=\"button_link\"> "
246 "<a href=\"javascript:HandleRSVP('%s_question','%s_title','%ld','%s','Update');\">%s</a>"
247 "</span> <span class=\"button_link\">"
248 "<a href=\"javascript:HandleRSVP('%s_question','%s_title','%ld','%s','Ignore');\">%s</a>"
251 _("Click <i>Update</i> to accept this reply and update your calendar."),
252 divname, divname, msgnum, cal_partnum, _("Update"),
253 divname, divname, msgnum, cal_partnum, _("Ignore")
258 /* Trailing HTML for the display of this object */
259 if (recursion_level == 0) {
260 wprintf("<p> </p></div>\n");
266 * \brief process calendar mail atachment
267 * Deserialize a calendar object in a message so it can be processed.
268 * (This is the main entry point for these things)
269 * \param part_source the part of the message we want to parse
270 * \param msgnum number of the mesage in our db
271 * \param cal_partnum the number of the calendar item
273 void cal_process_attachment(char *part_source, long msgnum, char *cal_partnum)
277 cal = icalcomponent_new_from_string(part_source);
280 wprintf(_("There was an error parsing this calendar item."));
286 cal_process_object(cal, 0, msgnum, cal_partnum);
288 /* Free the memory we obtained from libical's constructor */
289 icalcomponent_free(cal);
296 * \brief accept/decline meeting
297 * Respond to a meeting request
299 void respond_to_request(void)
303 begin_ajax_response();
305 serv_printf("ICAL respond|%s|%s|%s|",
310 serv_getln(buf, sizeof buf);
313 wprintf("<img src=\"static/calarea_48x.gif\"><span>");
314 if (!strcasecmp(bstr("sc"), "accept")) {
315 wprintf(_("You have accepted this meeting invitation. "
316 "It has been entered into your calendar.")
318 } else if (!strcasecmp(bstr("sc"), "tentative")) {
319 wprintf(_("You have tentatively accepted this meeting invitation. "
320 "It has been 'pencilled in' to your calendar.")
322 } else if (!strcasecmp(bstr("sc"), "decline")) {
323 wprintf(_("You have declined this meeting invitation. "
324 "It has <b>not</b> been entered into your calendar.")
328 wprintf(_("A reply has been sent to the meeting organizer."));
331 wprintf("<img align=\"center\" src=\"static/error.gif\"><span>");
332 wprintf("%s\n", &buf[4]);
342 * \brief Handle an incoming RSVP
344 void handle_rsvp(void)
348 begin_ajax_response();
350 serv_printf("ICAL handle_rsvp|%s|%s|%s|",
355 serv_getln(buf, sizeof buf);
358 wprintf("<img src=\"static/calarea_48x.gif\"><span>");
359 if (!strcasecmp(bstr("sc"), "update")) {
360 wprintf(_("Your calendar has been updated to reflect this RSVP."));
361 } else if (!strcasecmp(bstr("sc"), "ignore")) {
362 wprintf(_("You have chosen to ignore this RSVP. "
363 "Your calendar has <b>not</b> been updated.")
368 wprintf("<img src=\"static/error.gif\"><span> %s\n", &buf[4]);
378 /*-----------------------------------------------------------------------**/
383 * \defgroup MsgDisplayHandlers Display handlers for message reading
384 * \ingroup Calendaring
389 int Flathash(const char *str, long len)
391 if (len != sizeof (int))
393 else return *(int*)str;
399 * \brief clean up ical memory
400 * todo this could get trouble with future ical versions
402 void delete_cal(void *vCal)
404 disp_cal *Cal = (disp_cal*) vCal;
405 icalcomponent_free(Cal->cal);
411 * This is the meat-and-bones of the first part of our two-phase calendar display.
412 * As we encounter calendar items in messages being read from the server, we break out
413 * any iCalendar objects and store them in a hash table. Later on, the second phase will
414 * use this hash table to render the calendar for display.
416 void display_individual_cal(icalcomponent *cal, long msgnum, char *from, int unread)
418 icalproperty *ps = NULL;
419 struct icaltimetype dtstart, dtend;
420 struct icaldurationtype dur;
421 struct wcsession *WCC = WC;
425 /* recur variables */
426 icalproperty *rrule = NULL;
427 struct icalrecurrencetype recur;
428 icalrecur_iterator *ritr = NULL;
429 struct icaltimetype next;
432 dtstart = icaltime_null_time();
433 dtend = icaltime_null_time();
435 if (WCC->disp_cal_items == NULL)
436 WCC->disp_cal_items = NewHash(0, Flathash);
440 /* Note: anything we do here, we also have to do below for the recurrences. */
441 Cal = (disp_cal*) malloc(sizeof(disp_cal));
442 memset(Cal, 0, sizeof(disp_cal));
444 Cal->cal = icalcomponent_new_clone(cal);
445 Cal->unread = unread;
447 Cal->from = (char*)malloc(len+ 1);
448 memcpy(Cal->from, from, len + 1);
449 ical_dezonify(Cal->cal);
450 Cal->cal_msgnum = msgnum;
452 /* Precalculate the starting date and time of this event, and store it in our top-level
453 * structure. Later, when we are rendering the calendar, we can just peek at these values
454 * without having to break apart every calendar item.
456 ps = icalcomponent_get_first_property(Cal->cal, ICAL_DTSTART_PROPERTY);
458 dtstart = icalproperty_get_dtstart(ps);
459 Cal->event_start = icaltime_as_timet(dtstart);
462 /* Do the same for the ending date and time. It makes the day view much easier to render. */
463 ps = icalcomponent_get_first_property(Cal->cal, ICAL_DTEND_PROPERTY);
465 dtend = icalproperty_get_dtstart(ps);
466 Cal->event_end = icaltime_as_timet(dtend);
469 /* Store it in the hash list. */
470 Put(WCC->disp_cal_items,
471 (char*) &Cal->event_start,
472 sizeof(Cal->event_start),
478 /* handle recurring events */
480 if (icaltime_is_null_time(dtstart)) return; /* Can't recur without a start time */
482 if (!icaltime_is_null_time(dtend)) { /* Need duration for recurrences */
483 dur = icaltime_subtract(dtend, dtstart);
487 * Just let libical iterate the recurrence, and keep looping back to the top of this function,
488 * adding new hash entries that all point back to the same msgnum, until either the iteration
489 * stops or some outer bound is reached. The display code *should* automatically do the right
490 * thing (but we'll have to see).
493 rrule = icalcomponent_get_first_property(Cal->cal, ICAL_RRULE_PROPERTY);
495 recur = icalproperty_get_rrule(rrule);
496 ritr = icalrecur_iterator_new(recur, dtstart);
499 while (next = icalrecur_iterator_next(ritr), !icaltime_is_null_time(next) ) {
502 /* Note: anything we do here, we also have to do above for the root event. */
503 Cal = (disp_cal*) malloc(sizeof(disp_cal));
504 memset(Cal, 0, sizeof(disp_cal));
506 Cal->cal = icalcomponent_new_clone(cal);
507 Cal->unread = unread;
509 Cal->from = (char*)malloc(len+ 1);
510 memcpy(Cal->from, from, len + 1);
511 ical_dezonify(Cal->cal);
512 Cal->cal_msgnum = msgnum;
514 ps = icalcomponent_get_first_property(Cal->cal, ICAL_DTSTART_PROPERTY);
516 icalcomponent_remove_property(Cal->cal, ps);
517 ps = icalproperty_new_dtstart(next);
518 icalcomponent_add_property(Cal->cal, ps);
519 Cal->event_start = icaltime_as_timet(next);
522 ps = icalcomponent_get_first_property(Cal->cal, ICAL_DTEND_PROPERTY);
524 icalcomponent_remove_property(Cal->cal, ps);
525 /* FIXME now set the dtend property and stuff it somewhere */
528 Put(WCC->disp_cal_items,
529 (char*) &Cal->event_start,
530 sizeof(Cal->event_start),
534 time_t tt = icaltime_as_timet(next);
535 lprintf(9, "Performed %d recurrences; final one is %s", num_recur, ctime(&tt));
537 #endif /* TECH_PREVIEW */
544 * Display a task by itself (for editing)
546 void display_edit_individual_task(icalcomponent *supplied_vtodo, long msgnum, char *from, int unread)
548 icalcomponent *vtodo;
550 struct icaltimetype IcalTime;
552 int created_new_vtodo = 0;
553 icalproperty_status todoStatus;
557 if (supplied_vtodo != NULL) {
558 vtodo = supplied_vtodo;
561 * If we're looking at a fully encapsulated VCALENDAR
562 * rather than a VTODO component, attempt to use the first
563 * relevant VTODO subcomponent. If there is none, the
564 * NULL returned by icalcomponent_get_first_component() will
565 * tell the next iteration of this function to create a
568 if (icalcomponent_isa(vtodo) == ICAL_VCALENDAR_COMPONENT) {
569 display_edit_individual_task(
570 icalcomponent_get_first_component(
571 vtodo, ICAL_VTODO_COMPONENT
580 vtodo = icalcomponent_new(ICAL_VTODO_COMPONENT);
581 created_new_vtodo = 1;
584 // TODO: Can we take all this and move it into a template?
585 output_headers(1, 1, 1, 0, 0, 0);
586 wprintf("<!-- start task edit form -->");
587 p = icalcomponent_get_first_property(vtodo, ICAL_SUMMARY_PROPERTY);
588 // Get summary early for title
589 wprintf("<div class=\"box\">\n");
590 wprintf("<div class=\"boxlabel\">");
591 wprintf(_("Edit task"));
594 escputs((char *)icalproperty_get_comment(p));
598 wprintf("<div class=\"boxcontent\">\n");
599 wprintf("<FORM METHOD=\"POST\" action=\"save_task\">\n");
600 wprintf("<div style=\"display: none;\">\n ");
601 wprintf("<input type=\"hidden\" name=\"nonce\" value=\"%d\">\n", WC->nonce);
602 wprintf("<INPUT TYPE=\"hidden\" NAME=\"msgnum\" VALUE=\"%ld\">\n",
605 wprintf("<table class=\"calendar_background\"><tr><td>");
606 wprintf("<TABLE STYLE=\"border: none;\">\n");
609 wprintf(_("Summary:"));
611 "<INPUT TYPE=\"text\" NAME=\"summary\" "
612 "MAXLENGTH=\"64\" SIZE=\"64\" VALUE=\"");
613 p = icalcomponent_get_first_property(vtodo, ICAL_SUMMARY_PROPERTY);
615 escputs((char *)icalproperty_get_comment(p));
617 wprintf("\"></TD></TR>\n");
620 wprintf(_("Start date:"));
621 wprintf("</TD><TD>");
622 p = icalcomponent_get_first_property(vtodo, ICAL_DTSTART_PROPERTY);
623 wprintf("<INPUT TYPE=\"CHECKBOX\" NAME=\"nodtstart\" ID=\"nodtstart\" VALUE=\"NODTSTART\" ");
625 wprintf("CHECKED=\"CHECKED\"");
628 wprintf(_("No date"));
634 IcalTime = icalproperty_get_dtstart(p);
637 IcalTime = icaltime_current_time_with_zone(get_default_icaltimezone());
638 display_icaltimetype_as_webform(&IcalTime, "dtstart");
639 wprintf("</TD></TR>\n");
642 wprintf(_("Due date:"));
643 wprintf("</TD><TD>");
644 p = icalcomponent_get_first_property(vtodo, ICAL_DUE_PROPERTY);
645 wprintf("<INPUT TYPE=\"CHECKBOX\" NAME=\"nodue\" ID=\"nodue\" VALUE=\"NODUE\"");
647 wprintf("CHECKED=\"CHECKED\"");
650 wprintf(_("No date"));
655 IcalTime = icalproperty_get_due(p);
658 IcalTime = icaltime_current_time_with_zone(get_default_icaltimezone());
659 display_icaltimetype_as_webform(&IcalTime, "due");
661 wprintf("</TD></TR>\n");
662 todoStatus = icalcomponent_get_status(vtodo);
663 wprintf("<TR><TD>\n");
664 wprintf(_("Completed:"));
665 wprintf("</TD><TD>");
666 wprintf("<INPUT TYPE=\"CHECKBOX\" NAME=\"status\" VALUE=\"COMPLETED\"");
667 if (todoStatus == ICAL_STATUS_COMPLETED) {
668 wprintf(" CHECKED=\"CHECKED\"");
671 wprintf("</TD></TR>");
672 // start category field
673 p = icalcomponent_get_first_property(vtodo, ICAL_CATEGORIES_PROPERTY);
675 wprintf(_("Category:"));
676 wprintf("</TD><TD>");
677 wprintf("<INPUT TYPE=\"text\" NAME=\"category\" MAXLENGTH=\"32\" SIZE=\"32\" VALUE=\"");
679 escputs((char *)icalproperty_get_categories(p));
682 wprintf("</TD></TR>\n ");
683 // end category field
685 wprintf(_("Description:"));
686 wprintf("</TD><TD>");
687 wprintf("<TEXTAREA NAME=\"description\" "
688 "ROWS=\"10\" COLS=\"80\">\n"
690 p = icalcomponent_get_first_property(vtodo, ICAL_DESCRIPTION_PROPERTY);
692 escputs((char *)icalproperty_get_comment(p));
694 wprintf("</TEXTAREA></TD></TR></TABLE>\n");
696 wprintf("<SPAN STYLE=\"text-align: center;\">"
697 "<INPUT TYPE=\"submit\" NAME=\"save_button\" VALUE=\"%s\">"
699 "<INPUT TYPE=\"submit\" NAME=\"delete_button\" VALUE=\"%s\">\n"
701 "<INPUT TYPE=\"submit\" NAME=\"cancel_button\" VALUE=\"%s\">\n"
707 wprintf("</td></tr></table>");
708 wprintf("</FORM>\n");
709 wprintf("</div></div></div>\n");
710 wprintf("<!-- end task edit form -->");
713 if (created_new_vtodo) {
714 icalcomponent_free(vtodo);
719 * \brief Save an edited task
720 * \param supplied_vtodo the task to save
721 * \param msgnum number of the mesage in our db
723 void save_individual_task(icalcomponent *supplied_vtodo, long msgnum, char* from, int unread)
726 int delete_existing = 0;
728 icalcomponent *vtodo, *encaps;
729 int created_new_vtodo = 0;
732 struct icaltimetype t;
734 if (supplied_vtodo != NULL) {
735 vtodo = supplied_vtodo;
737 * If we're looking at a fully encapsulated VCALENDAR
738 * rather than a VTODO component, attempt to use the first
739 * relevant VTODO subcomponent. If there is none, the
740 * NULL returned by icalcomponent_get_first_component() will
741 * tell the next iteration of this function to create a
744 if (icalcomponent_isa(vtodo) == ICAL_VCALENDAR_COMPONENT) {
745 save_individual_task(
746 icalcomponent_get_first_component(
747 vtodo, ICAL_VTODO_COMPONENT),
754 vtodo = icalcomponent_new(ICAL_VTODO_COMPONENT);
755 created_new_vtodo = 1;
758 if (havebstr("save_button")) {
760 /** Replace values in the component with ones from the form */
762 while (prop = icalcomponent_get_first_property(vtodo,
763 ICAL_SUMMARY_PROPERTY), prop != NULL) {
764 icalcomponent_remove_property(vtodo, prop);
765 icalproperty_free(prop);
767 if (havebstr("summary")) {
769 icalcomponent_add_property(vtodo,
770 icalproperty_new_summary(bstr("summary")));
772 icalcomponent_add_property(vtodo,
773 icalproperty_new_summary("Untitled Task"));
776 while (prop = icalcomponent_get_first_property(vtodo,
777 ICAL_DESCRIPTION_PROPERTY), prop != NULL) {
778 icalcomponent_remove_property(vtodo, prop);
779 icalproperty_free(prop);
781 if (havebstr("description")) {
782 icalcomponent_add_property(vtodo,
783 icalproperty_new_description(bstr("description")));
786 while (prop = icalcomponent_get_first_property(vtodo,
787 ICAL_DTSTART_PROPERTY), prop != NULL) {
788 icalcomponent_remove_property(vtodo, prop);
789 icalproperty_free(prop);
791 if (IsEmptyStr(bstr("nodtstart"))) {
792 icaltime_from_webform(&t, "dtstart");
793 icalcomponent_add_property(vtodo,
794 icalproperty_new_dtstart(t)
797 while(prop = icalcomponent_get_first_property(vtodo,
798 ICAL_STATUS_PROPERTY), prop != NULL) {
799 icalcomponent_remove_property(vtodo,prop);
800 icalproperty_free(prop);
802 if (havebstr("status")) {
803 icalproperty_status taskStatus = icalproperty_string_to_status(
805 icalcomponent_set_status(vtodo, taskStatus);
807 while (prop = icalcomponent_get_first_property(vtodo,
808 ICAL_CATEGORIES_PROPERTY), prop != NULL) {
809 icalcomponent_remove_property(vtodo,prop);
810 icalproperty_free(prop);
812 if (!IsEmptyStr(bstr("category"))) {
813 prop = icalproperty_new_categories(bstr("category"));
814 icalcomponent_add_property(vtodo,prop);
816 while (prop = icalcomponent_get_first_property(vtodo,
817 ICAL_DUE_PROPERTY), prop != NULL) {
818 icalcomponent_remove_property(vtodo, prop);
819 icalproperty_free(prop);
821 if (IsEmptyStr(bstr("nodue"))) {
822 icaltime_from_webform(&t, "due");
823 icalcomponent_add_property(vtodo,
824 icalproperty_new_due(t)
827 /** Give this task a UID if it doesn't have one. */
828 lprintf(9, "Give this task a UID if it doesn't have one.\n");
829 if (icalcomponent_get_first_property(vtodo,
830 ICAL_UID_PROPERTY) == NULL) {
832 icalcomponent_add_property(vtodo,
833 icalproperty_new_uid(buf)
837 /** Increment the sequence ID */
838 lprintf(9, "Increment the sequence ID\n");
839 while (prop = icalcomponent_get_first_property(vtodo,
840 ICAL_SEQUENCE_PROPERTY), (prop != NULL) ) {
841 i = icalproperty_get_sequence(prop);
842 lprintf(9, "Sequence was %d\n", i);
843 if (i > sequence) sequence = i;
844 icalcomponent_remove_property(vtodo, prop);
845 icalproperty_free(prop);
848 lprintf(9, "New sequence is %d. Adding...\n", sequence);
849 icalcomponent_add_property(vtodo,
850 icalproperty_new_sequence(sequence)
854 * Encapsulate event into full VCALENDAR component. Clone it first,
855 * for two reasons: one, it's easier to just free the whole thing
856 * when we're done instead of unbundling, but more importantly, we
857 * can't encapsulate something that may already be encapsulated
860 lprintf(9, "Encapsulating into a full VCALENDAR component\n");
861 encaps = ical_encapsulate_subcomponent(icalcomponent_new_clone(vtodo));
863 /* Serialize it and save it to the message base */
864 serv_puts("ENT0 1|||4");
865 serv_getln(buf, sizeof buf);
867 serv_puts("Content-type: text/calendar");
869 serv_puts(icalcomponent_as_ical_string(encaps));
873 * Probably not necessary; the server will see the UID
874 * of the object and delete the old one anyway, but
879 icalcomponent_free(encaps);
883 * If the user clicked 'Delete' then explicitly delete the message.
885 if (havebstr("delete_button")) {
889 if ( (delete_existing) && (msgnum > 0L) ) {
890 serv_printf("DELE %ld", lbstr("msgnum"));
891 serv_getln(buf, sizeof buf);
894 if (created_new_vtodo) {
895 icalcomponent_free(vtodo);
898 /** Go back to the task list */
905 * Code common to all icalendar display handlers. Given a message number and a MIME
906 * type, we load the message and hunt for that MIME type. If found, we load
907 * the relevant part, deserialize it into a libical component, filter it for
908 * the requested object type, and feed it to the specified handler.
910 void display_using_handler(long msgnum, int unread,
911 icalcomponent_kind which_kind,
912 void (*callback)(icalcomponent *, long, char*, int)
917 char mime_partnum[256];
918 char mime_filename[256];
919 char mime_content_type[256];
920 char mime_disposition[256];
922 char relevant_partnum[256];
923 char *relevant_source = NULL;
924 icalcomponent *cal, *c;
926 relevant_partnum[0] = '\0';
927 sprintf(buf, "MSG4 %ld", msgnum); /* we need the mime headers */
929 serv_getln(buf, sizeof buf);
930 if (buf[0] != '1') return;
932 while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
933 if (!strncasecmp(buf, "part=", 5)) {
934 extract_token(mime_filename, &buf[5], 1, '|', sizeof mime_filename);
935 extract_token(mime_partnum, &buf[5], 2, '|', sizeof mime_partnum);
936 extract_token(mime_disposition, &buf[5], 3, '|', sizeof mime_disposition);
937 extract_token(mime_content_type, &buf[5], 4, '|', sizeof mime_content_type);
938 mime_length = extract_int(&buf[5], 5);
940 if ( (!strcasecmp(mime_content_type, "text/calendar"))
941 || (!strcasecmp(mime_content_type, "application/ics"))
942 || (!strcasecmp(mime_content_type, "text/vtodo"))
944 strcpy(relevant_partnum, mime_partnum);
947 else if (!strncasecmp(buf, "from=", 4)) {
948 extract_token(from, buf, 1, '=', sizeof(from));
952 if (!IsEmptyStr(relevant_partnum)) {
953 relevant_source = load_mimepart(msgnum, relevant_partnum);
954 if (relevant_source != NULL) {
956 cal = icalcomponent_new_from_string(relevant_source);
961 /* Simple components of desired type */
962 if (icalcomponent_isa(cal) == which_kind) {
963 callback(cal, msgnum, from, unread);
966 /* Subcomponents of desired type */
967 for (c = icalcomponent_get_first_component(cal, which_kind);
969 c = icalcomponent_get_next_component(cal, which_kind)) {
970 callback(c, msgnum, from, unread);
972 icalcomponent_free(cal);
974 free(relevant_source);
977 icalmemory_free_ring();
981 * Display a calendar item
983 void display_calendar(long msgnum, int unread) {
984 display_using_handler(msgnum, unread, ICAL_VEVENT_COMPONENT, display_individual_cal);
990 void display_task(long msgnum, int unread) {
991 display_using_handler(msgnum, unread, ICAL_VTODO_COMPONENT, display_individual_cal);
995 * Display the editor component for a task
997 void display_edit_task(void) {
1000 /* Force change the room if we have to */
1001 if (havebstr("taskrm")) {
1002 gotoroom((char *)bstr("taskrm"));
1005 msgnum = lbstr("msgnum");
1008 display_using_handler(msgnum, 0,
1009 ICAL_VTODO_COMPONENT,
1010 display_edit_individual_task);
1014 display_edit_individual_task(NULL, 0L, "", 0);
1019 * save an edited task
1021 void save_task(void) {
1024 msgnum = lbstr("msgnum");
1026 display_using_handler(msgnum, 0, ICAL_VTODO_COMPONENT, save_individual_task);
1029 save_individual_task(NULL, 0L, "", 0);
1034 * display the editor component for an event
1036 void display_edit_event(void) {
1039 msgnum = lbstr("msgnum");
1041 /* existing event */
1042 display_using_handler(msgnum, 0, ICAL_VEVENT_COMPONENT, display_edit_individual_event);
1046 display_edit_individual_event(NULL, 0L, "", 0);
1051 * save an edited event
1053 void save_event(void) {
1056 msgnum = lbstr("msgnum");
1059 display_using_handler(msgnum, 0, ICAL_VEVENT_COMPONENT, save_individual_event);
1062 save_individual_event(NULL, 0L, "", 0);
1071 * Anonymous request of freebusy data for a user
1073 void do_freebusy(char *req) {
1079 extract_token(who, req, 1, ' ', sizeof who);
1080 if (!strncasecmp(who, "/freebusy/", 10)) {
1081 strcpy(who, &who[10]);
1083 unescape_input(who);
1086 if ( (!strcasecmp(&who[len-4], ".vcf"))
1087 || (!strcasecmp(&who[len-4], ".ifb"))
1088 || (!strcasecmp(&who[len-4], ".vfb")) ) {
1092 lprintf(9, "freebusy requested for <%s>\n", who);
1093 serv_printf("ICAL freebusy|%s", who);
1094 serv_getln(buf, sizeof buf);
1096 if (buf[0] != '1') {
1097 hprintf("HTTP/1.1 404 %s\n", &buf[4]);
1098 output_headers(0, 0, 0, 0, 0, 0);
1099 hprintf("Content-Type: text/plain\r\n");
1100 wprintf("%s\n", &buf[4]);
1105 read_server_text(WC->WBuf, &lines);
1106 http_transmit_thing("text/calendar", 0);
1117 WebcitAddUrlHandler(HKEY("display_edit_task"), display_edit_task, 0);
1118 WebcitAddUrlHandler(HKEY("save_task"), save_task, 0);
1119 WebcitAddUrlHandler(HKEY("display_edit_event"), display_edit_event, 0);
1120 WebcitAddUrlHandler(HKEY("save_event"), save_event, 0);
1121 WebcitAddUrlHandler(HKEY("respond_to_request"), respond_to_request, 0);
1122 WebcitAddUrlHandler(HKEY("handle_rsvp"), handle_rsvp, 0);