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(StrBuf *Target,
23 const char *cal_partnum)
26 icalproperty *method = NULL;
27 icalproperty_method the_method = ICAL_METHOD_NONE;
29 struct icaltimetype t;
32 char conflict_name[256];
33 char conflict_message[256];
36 static int divcount = 0;
38 sprintf(divname, "rsvp%04x", ++divcount);
40 /* Convert timezones to something easy to display.
41 * It's safe to do this in memory because we're only changing it on the
42 * display side -- when we tell the server to do something with the object,
43 * the server will be working with its original copy in the database.
45 if ((cal) && (recursion_level == 0)) {
49 /* Leading HTML for the display of this object */
50 if (recursion_level == 0) {
51 StrBufAppendPrintf(Target, "<div class=\"mimepart\">\n");
54 /* Look for a method */
55 method = icalcomponent_get_first_property(cal, ICAL_METHOD_PROPERTY);
57 /* See what we need to do with this */
59 the_method = icalproperty_get_method(method);
62 StrBufAppendPrintf(Target, "<div id=\"%s_title\">", divname);
63 StrBufAppendPrintf(Target, "<img src=\"static/calarea_48x.gif\">");
64 StrBufAppendPrintf(Target, "<span>");
66 case ICAL_METHOD_REQUEST:
67 title = _("Meeting invitation");
69 case ICAL_METHOD_REPLY:
70 title = _("Attendee's reply to your invitation");
72 case ICAL_METHOD_PUBLISH:
73 title = _("Published event");
76 title = _("This is an unknown type of calendar item.");
79 StrBufAppendPrintf(Target, "</span>");
81 StrBufAppendPrintf(Target, " %s",title);
82 StrBufAppendPrintf(Target, "</div>");
85 StrBufAppendPrintf(Target, "<dl>");
86 p = icalcomponent_get_first_property(cal, ICAL_SUMMARY_PROPERTY);
88 StrBufAppendPrintf(Target, "<dt>");
89 StrBufAppendPrintf(Target, _("Summary:"));
90 StrBufAppendPrintf(Target, "</dt><dd>");
91 StrEscAppend(Target, NULL, (char *)icalproperty_get_comment(p), 0, 0);
92 StrBufAppendPrintf(Target, "</dd>\n");
95 p = icalcomponent_get_first_property(cal, ICAL_LOCATION_PROPERTY);
97 StrBufAppendPrintf(Target, "<dt>");
98 StrBufAppendPrintf(Target, _("Location:"));
99 StrBufAppendPrintf(Target, "</dt><dd>");
100 StrEscAppend(Target, NULL, (char *)icalproperty_get_comment(p), 0, 0);
101 StrBufAppendPrintf(Target, "</dd>\n");
105 * Only show start/end times if we're actually looking at the VEVENT
106 * component. Otherwise it shows bogus dates for things like timezone.
108 if (icalcomponent_isa(cal) == ICAL_VEVENT_COMPONENT) {
110 p = icalcomponent_get_first_property(cal, ICAL_DTSTART_PROPERTY);
112 t = icalproperty_get_dtstart(p);
117 memset(&d_tm, 0, sizeof d_tm);
118 d_tm.tm_year = t.year - 1900;
119 d_tm.tm_mon = t.month - 1;
120 d_tm.tm_mday = t.day;
121 wc_strftime(d_str, sizeof d_str, "%x", &d_tm);
122 StrBufAppendPrintf(Target, "<dt>");
123 StrBufAppendPrintf(Target, _("Date:"));
124 StrBufAppendPrintf(Target, "</dt><dd>%s</dd>", d_str);
127 tt = icaltime_as_timet(t);
128 webcit_fmt_date(buf, tt, 0);
129 StrBufAppendPrintf(Target, "<dt>");
130 StrBufAppendPrintf(Target, _("Starting date/time:"));
131 StrBufAppendPrintf(Target, "</dt><dd>%s</dd>", buf);
135 p = icalcomponent_get_first_property(cal, ICAL_DTEND_PROPERTY);
137 t = icalproperty_get_dtend(p);
138 tt = icaltime_as_timet(t);
139 webcit_fmt_date(buf, tt, 0);
140 StrBufAppendPrintf(Target, "<dt>");
141 StrBufAppendPrintf(Target, _("Ending date/time:"));
142 StrBufAppendPrintf(Target, "</dt><dd>%s</dd>", buf);
147 p = icalcomponent_get_first_property(cal, ICAL_DESCRIPTION_PROPERTY);
149 StrBufAppendPrintf(Target, "<dt>");
150 StrBufAppendPrintf(Target, _("Description:"));
151 StrBufAppendPrintf(Target, "</dt><dd>");
152 StrEscAppend(Target, NULL, (char *)icalproperty_get_comment(p), 0, 0);
153 StrBufAppendPrintf(Target, "</dd>\n");
156 /* If the component has attendees, iterate through them. */
157 for (p = icalcomponent_get_first_property(cal, ICAL_ATTENDEE_PROPERTY);
159 p = icalcomponent_get_next_property(cal, ICAL_ATTENDEE_PROPERTY)) {
160 StrBufAppendPrintf(Target, "<dt>");
161 StrBufAppendPrintf(Target, _("Attendee:"));
162 StrBufAppendPrintf(Target, "</dt><dd>");
163 safestrncpy(buf, icalproperty_get_attendee(p), sizeof buf);
164 if (!strncasecmp(buf, "MAILTO:", 7)) {
166 /** screen name or email address */
167 strcpy(buf, &buf[7]);
169 StrEscAppend(Target, NULL, buf, 0, 0);
170 StrBufAppendPrintf(Target, " ");
172 /** participant status */
173 partstat_as_string(buf, p);
174 StrEscAppend(Target, NULL, buf, 0, 0);
176 StrBufAppendPrintf(Target, "</dd>\n");
179 /* If the component has subcomponents, recurse through them. */
180 for (c = icalcomponent_get_first_component(cal, ICAL_ANY_COMPONENT);
182 c = icalcomponent_get_next_component(cal, ICAL_ANY_COMPONENT)) {
183 /* Recursively process subcomponent */
184 cal_process_object(Target, c, recursion_level+1, msgnum, cal_partnum);
187 /* If this is a REQUEST, display conflicts and buttons */
188 if (the_method == ICAL_METHOD_REQUEST) {
190 /* Check for conflicts */
191 lprintf(9, "Checking server calendar for conflicts...\n");
192 serv_printf("ICAL conflicts|%ld|%s|", msgnum, cal_partnum);
193 serv_getln(buf, sizeof buf);
195 while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
196 extract_token(conflict_name, buf, 3, '|', sizeof conflict_name);
197 is_update = extract_int(buf, 4);
200 snprintf(conflict_message, sizeof conflict_message,
201 _("This is an update of '%s' which is already in your calendar."), conflict_name);
204 snprintf(conflict_message, sizeof conflict_message,
205 _("This event would conflict with '%s' which is already in your calendar."), conflict_name);
208 StrBufAppendPrintf(Target, "<dt>%s",
214 StrBufAppendPrintf(Target, "</dt><dd>");
215 StrEscAppend(Target, NULL, conflict_message, 0, 0);
216 StrBufAppendPrintf(Target, "</dd>\n");
219 lprintf(9, "...done.\n");
221 StrBufAppendPrintf(Target, "</dl>");
223 /* Display the Accept/Decline buttons */
224 StrBufAppendPrintf(Target, "<p id=\"%s_question\">"
226 " <span class=\"button_link\"> "
227 "<a href=\"javascript:RespondToInvitation('%s_question','%s_title','%ld','%s','Accept');\">%s</a>"
228 "</span> <span class=\"button_link\">"
229 "<a href=\"javascript:RespondToInvitation('%s_question','%s_title','%ld','%s','Tentative');\">%s</a>"
230 "</span> <span class=\"button_link\">"
231 "<a href=\"javascript:RespondToInvitation('%s_question','%s_title','%ld','%s','Decline');\">%s</a>"
234 _("How would you like to respond to this invitation?"),
235 divname, divname, msgnum, cal_partnum, _("Accept"),
236 divname, divname, msgnum, cal_partnum, _("Tentative"),
237 divname, divname, msgnum, cal_partnum, _("Decline")
242 /* If this is a REPLY, display update button */
243 if (the_method == ICAL_METHOD_REPLY) {
245 /* Display the update buttons */
246 StrBufAppendPrintf(Target, "<p id=\"%s_question\" >"
248 " <span class=\"button_link\"> "
249 "<a href=\"javascript:HandleRSVP('%s_question','%s_title','%ld','%s','Update');\">%s</a>"
250 "</span> <span class=\"button_link\">"
251 "<a href=\"javascript:HandleRSVP('%s_question','%s_title','%ld','%s','Ignore');\">%s</a>"
254 _("Click <i>Update</i> to accept this reply and update your calendar."),
255 divname, divname, msgnum, cal_partnum, _("Update"),
256 divname, divname, msgnum, cal_partnum, _("Ignore")
261 /* Trailing HTML for the display of this object */
262 if (recursion_level == 0) {
263 StrBufAppendPrintf(Target, "<p> </p></div>\n");
269 * Deserialize a calendar object in a message so it can be displayed.
272 void cal_process_attachment(wc_mime_attachment *Mime)
276 cal = icalcomponent_new_from_string(ChrPtr(Mime->Data));
277 FlushStrBuf(Mime->Data);
279 StrBufAppendPrintf(Mime->Data, _("There was an error parsing this calendar item."));
280 StrBufAppendPrintf(Mime->Data, "<br />\n");
284 cal_process_object(Mime->Data, cal, 0, Mime->msgnum, ChrPtr(Mime->PartNum));
286 /* Free the memory we obtained from libical's constructor */
287 icalcomponent_free(cal);
294 * \brief accept/decline meeting
295 * Respond to a meeting request
297 void respond_to_request(void)
301 begin_ajax_response();
303 serv_printf("ICAL respond|%s|%s|%s|",
308 serv_getln(buf, sizeof buf);
311 wprintf("<img src=\"static/calarea_48x.gif\"><span>");
312 if (!strcasecmp(bstr("sc"), "accept")) {
313 wprintf(_("You have accepted this meeting invitation. "
314 "It has been entered into your calendar.")
316 } else if (!strcasecmp(bstr("sc"), "tentative")) {
317 wprintf(_("You have tentatively accepted this meeting invitation. "
318 "It has been 'pencilled in' to your calendar.")
320 } else if (!strcasecmp(bstr("sc"), "decline")) {
321 wprintf(_("You have declined this meeting invitation. "
322 "It has <b>not</b> been entered into your calendar.")
326 wprintf(_("A reply has been sent to the meeting organizer."));
329 wprintf("<img align=\"center\" src=\"static/error.gif\"><span>");
330 wprintf("%s\n", &buf[4]);
340 * \brief Handle an incoming RSVP
342 void handle_rsvp(void)
346 begin_ajax_response();
348 serv_printf("ICAL handle_rsvp|%s|%s|%s|",
353 serv_getln(buf, sizeof buf);
356 wprintf("<img src=\"static/calarea_48x.gif\"><span>");
357 if (!strcasecmp(bstr("sc"), "update")) {
358 wprintf(_("Your calendar has been updated to reflect this RSVP."));
359 } else if (!strcasecmp(bstr("sc"), "ignore")) {
360 wprintf(_("You have chosen to ignore this RSVP. "
361 "Your calendar has <b>not</b> been updated.")
366 wprintf("<img src=\"static/error.gif\"><span> %s\n", &buf[4]);
377 * free memory allocated using libical
379 void delete_cal(void *vCal)
381 disp_cal *Cal = (disp_cal*) vCal;
382 icalcomponent_free(Cal->cal);
388 * This is the meat-and-bones of the first part of our two-phase calendar display.
389 * As we encounter calendar items in messages being read from the server, we break out
390 * any iCalendar objects and store them in a hash table. Later on, the second phase will
391 * use this hash table to render the calendar for display.
393 void display_individual_cal(icalcomponent *cal, long msgnum, char *from, int unread, struct calview *calv)
395 icalproperty *ps = NULL;
396 struct icaltimetype dtstart, dtend;
397 struct icaldurationtype dur;
401 time_t final_recurrence = 0;
402 icalcomponent *cptr = NULL;
404 /* recur variables */
405 icalproperty *rrule = NULL;
406 struct icalrecurrencetype recur;
407 icalrecur_iterator *ritr = NULL;
408 struct icaltimetype next;
411 dtstart = icaltime_null_time();
412 dtend = icaltime_null_time();
414 if (WCC->disp_cal_items == NULL)
415 WCC->disp_cal_items = NewHash(0, Flathash);
417 /* Note: anything we do here, we also have to do below for the recurrences. */
418 Cal = (disp_cal*) malloc(sizeof(disp_cal));
419 memset(Cal, 0, sizeof(disp_cal));
420 Cal->cal = icalcomponent_new_clone(cal);
422 /* Dezonify and decapsulate at the very last moment */
423 /* lprintf(9, "INITIAL: %s\n", icaltime_as_ical_string(icalproperty_get_dtstart(
424 icalcomponent_get_first_property(icalcomponent_get_first_component(
425 Cal->cal, ICAL_VEVENT_COMPONENT), ICAL_DTSTART_PROPERTY)))
427 ical_dezonify(Cal->cal);
428 if (icalcomponent_isa(Cal->cal) != ICAL_VEVENT_COMPONENT) {
429 cptr = icalcomponent_get_first_component(Cal->cal, ICAL_VEVENT_COMPONENT);
431 cptr = icalcomponent_new_clone(cptr);
432 icalcomponent_free(Cal->cal);
437 Cal->unread = unread;
439 Cal->from = (char*)malloc(len+ 1);
440 memcpy(Cal->from, from, len + 1);
441 Cal->cal_msgnum = msgnum;
443 /* Precalculate the starting date and time of this event, and store it in our top-level
444 * structure. Later, when we are rendering the calendar, we can just peek at these values
445 * without having to break apart every calendar item.
447 ps = icalcomponent_get_first_property(Cal->cal, ICAL_DTSTART_PROPERTY);
449 dtstart = icalproperty_get_dtstart(ps);
450 Cal->event_start = icaltime_as_timet(dtstart);
453 /* Do the same for the ending date and time. It makes the day view much easier to render. */
454 ps = icalcomponent_get_first_property(Cal->cal, ICAL_DTEND_PROPERTY);
456 dtend = icalproperty_get_dtend(ps);
457 Cal->event_end = icaltime_as_timet(dtend);
460 /* Store it in the hash list. */
461 Put(WCC->disp_cal_items,
462 (char*) &Cal->event_start,
463 sizeof(Cal->event_start),
467 /****************************** handle recurring events ******************************/
469 if (icaltime_is_null_time(dtstart)) return; /* Can't recur without a start time */
471 if (!icaltime_is_null_time(dtend)) { /* Need duration for recurrences */
472 dur = icaltime_subtract(dtend, dtstart);
476 * Just let libical iterate the recurrence, and keep looping back to the top of this function,
477 * adding new hash entries that all point back to the same msgnum, until either the iteration
478 * stops or some outer bound is reached. The display code will automatically do the Right Thing.
481 if (icalcomponent_isa(cptr) != ICAL_VEVENT_COMPONENT) {
482 cptr = icalcomponent_get_first_component(cptr, ICAL_VEVENT_COMPONENT);
485 ps = icalcomponent_get_first_property(cptr, ICAL_DTSTART_PROPERTY);
486 if (ps == NULL) return;
487 dtstart = icalproperty_get_dtstart(ps);
488 rrule = icalcomponent_get_first_property(cptr, ICAL_RRULE_PROPERTY);
490 recur = icalproperty_get_rrule(rrule);
491 ritr = icalrecur_iterator_new(recur, dtstart);
495 while (next = icalrecur_iterator_next(ritr), ((!icaltime_is_null_time(next))&&(!stop_rr)) ) {
497 if (num_recur > 1) { /* Skip the first one. We already did it at the root. */
498 /* lprintf(9, "REPEATS: %s\n", icaltime_as_ical_string(next)); */
500 /* Note: anything we do here, we also have to do above for the root event. */
501 Cal = (disp_cal*) malloc(sizeof(disp_cal));
502 memset(Cal, 0, sizeof(disp_cal));
503 Cal->cal = icalcomponent_new_clone(cal);
504 Cal->unread = unread;
506 Cal->from = (char*)malloc(len+ 1);
507 memcpy(Cal->from, from, len + 1);
508 Cal->cal_msgnum = msgnum;
511 if (icalcomponent_isa(Cal->cal) == ICAL_VEVENT_COMPONENT) {
515 cptr = icalcomponent_get_first_component(Cal->cal, ICAL_VEVENT_COMPONENT);
518 ps = icalcomponent_get_first_property(cptr, ICAL_DTSTART_PROPERTY);
520 icalcomponent_remove_property(cptr, ps);
521 ps = icalproperty_new_dtstart(next);
522 icalcomponent_add_property(cptr, ps);
524 Cal->event_start = icaltime_as_timet(next);
525 final_recurrence = Cal->event_start;
528 ps = icalcomponent_get_first_property(cptr, ICAL_DTEND_PROPERTY);
530 icalcomponent_remove_property(cptr, ps);
532 /* Make a new dtend */
533 ps = icalproperty_new_dtend(icaltime_add(next, dur));
535 /* and stick it somewhere */
536 icalcomponent_add_property(cptr, ps);
541 /* Dezonify and decapsulate at the very last moment */
542 ical_dezonify(Cal->cal);
543 if (icalcomponent_isa(Cal->cal) != ICAL_VEVENT_COMPONENT) {
544 cptr = icalcomponent_get_first_component(Cal->cal, ICAL_VEVENT_COMPONENT);
546 cptr = icalcomponent_new_clone(cptr);
547 icalcomponent_free(Cal->cal);
552 if ( (Cal->event_start > calv->lower_bound)
553 && (Cal->event_start < calv->upper_bound) ) {
554 Put(WCC->disp_cal_items,
555 (char*) &Cal->event_start,
556 sizeof(Cal->event_start),
565 /* If an upper bound is set, stop when we go out of scope */
566 if (final_recurrence > calv->upper_bound) stop_rr = 1;
569 icalrecur_iterator_free(ritr);
570 /* lprintf(9, "Performed %d recurrences; final one is %s", num_recur, ctime(&final_recurrence)); */
577 * Display a task by itself (for editing)
579 void display_edit_individual_task(icalcomponent *supplied_vtodo, long msgnum, char *from,
580 int unread, struct calview *calv)
582 icalcomponent *vtodo;
584 struct icaltimetype IcalTime;
586 int created_new_vtodo = 0;
587 icalproperty_status todoStatus;
591 if (supplied_vtodo != NULL) {
592 vtodo = supplied_vtodo;
595 * If we're looking at a fully encapsulated VCALENDAR
596 * rather than a VTODO component, attempt to use the first
597 * relevant VTODO subcomponent. If there is none, the
598 * NULL returned by icalcomponent_get_first_component() will
599 * tell the next iteration of this function to create a
602 if (icalcomponent_isa(vtodo) == ICAL_VCALENDAR_COMPONENT) {
603 display_edit_individual_task(
604 icalcomponent_get_first_component(
605 vtodo, ICAL_VTODO_COMPONENT
607 msgnum, from, unread, calv
613 vtodo = icalcomponent_new(ICAL_VTODO_COMPONENT);
614 created_new_vtodo = 1;
617 // TODO: Can we take all this and move it into a template?
618 output_headers(1, 1, 1, 0, 0, 0);
619 wprintf("<!-- start task edit form -->");
620 p = icalcomponent_get_first_property(vtodo, ICAL_SUMMARY_PROPERTY);
621 // Get summary early for title
622 wprintf("<div class=\"box\">\n");
623 wprintf("<div class=\"boxlabel\">");
624 wprintf(_("Edit task"));
627 escputs((char *)icalproperty_get_comment(p));
631 wprintf("<div class=\"boxcontent\">\n");
632 wprintf("<FORM METHOD=\"POST\" action=\"save_task\">\n");
633 wprintf("<div style=\"display: none;\">\n ");
634 wprintf("<input type=\"hidden\" name=\"nonce\" value=\"%d\">\n", WC->nonce);
635 wprintf("<INPUT TYPE=\"hidden\" NAME=\"msgnum\" VALUE=\"%ld\">\n",
638 wprintf("<table class=\"calendar_background\"><tr><td>");
639 wprintf("<TABLE STYLE=\"border: none;\">\n");
642 wprintf(_("Summary:"));
644 "<INPUT TYPE=\"text\" NAME=\"summary\" "
645 "MAXLENGTH=\"64\" SIZE=\"64\" VALUE=\"");
646 p = icalcomponent_get_first_property(vtodo, ICAL_SUMMARY_PROPERTY);
648 escputs((char *)icalproperty_get_comment(p));
650 wprintf("\"></TD></TR>\n");
653 wprintf(_("Start date:"));
654 wprintf("</TD><TD>");
655 p = icalcomponent_get_first_property(vtodo, ICAL_DTSTART_PROPERTY);
656 wprintf("<INPUT TYPE=\"CHECKBOX\" NAME=\"nodtstart\" ID=\"nodtstart\" VALUE=\"NODTSTART\" ");
658 wprintf("CHECKED=\"CHECKED\"");
661 wprintf(_("No date"));
667 IcalTime = icalproperty_get_dtstart(p);
670 IcalTime = icaltime_current_time_with_zone(get_default_icaltimezone());
671 display_icaltimetype_as_webform(&IcalTime, "dtstart", 0);
672 wprintf("</TD></TR>\n");
675 wprintf(_("Due date:"));
676 wprintf("</TD><TD>");
677 p = icalcomponent_get_first_property(vtodo, ICAL_DUE_PROPERTY);
678 wprintf("<INPUT TYPE=\"CHECKBOX\" NAME=\"nodue\" ID=\"nodue\" VALUE=\"NODUE\"");
680 wprintf("CHECKED=\"CHECKED\"");
683 wprintf(_("No date"));
688 IcalTime = icalproperty_get_due(p);
691 IcalTime = icaltime_current_time_with_zone(get_default_icaltimezone());
692 display_icaltimetype_as_webform(&IcalTime, "due", 0);
694 wprintf("</TD></TR>\n");
695 todoStatus = icalcomponent_get_status(vtodo);
696 wprintf("<TR><TD>\n");
697 wprintf(_("Completed:"));
698 wprintf("</TD><TD>");
699 wprintf("<INPUT TYPE=\"CHECKBOX\" NAME=\"status\" VALUE=\"COMPLETED\"");
700 if (todoStatus == ICAL_STATUS_COMPLETED) {
701 wprintf(" CHECKED=\"CHECKED\"");
704 wprintf("</TD></TR>");
705 // start category field
706 p = icalcomponent_get_first_property(vtodo, ICAL_CATEGORIES_PROPERTY);
708 wprintf(_("Category:"));
709 wprintf("</TD><TD>");
710 wprintf("<INPUT TYPE=\"text\" NAME=\"category\" MAXLENGTH=\"32\" SIZE=\"32\" VALUE=\"");
712 escputs((char *)icalproperty_get_categories(p));
715 wprintf("</TD></TR>\n ");
716 // end category field
718 wprintf(_("Description:"));
719 wprintf("</TD><TD>");
720 wprintf("<TEXTAREA NAME=\"description\" "
721 "ROWS=\"10\" COLS=\"80\">\n"
723 p = icalcomponent_get_first_property(vtodo, ICAL_DESCRIPTION_PROPERTY);
725 escputs((char *)icalproperty_get_comment(p));
727 wprintf("</TEXTAREA></TD></TR></TABLE>\n");
729 wprintf("<SPAN STYLE=\"text-align: center;\">"
730 "<INPUT TYPE=\"submit\" NAME=\"save_button\" VALUE=\"%s\">"
732 "<INPUT TYPE=\"submit\" NAME=\"delete_button\" VALUE=\"%s\">\n"
734 "<INPUT TYPE=\"submit\" NAME=\"cancel_button\" VALUE=\"%s\">\n"
740 wprintf("</td></tr></table>");
741 wprintf("</FORM>\n");
742 wprintf("</div></div></div>\n");
743 wprintf("<!-- end task edit form -->");
746 if (created_new_vtodo) {
747 icalcomponent_free(vtodo);
752 * \brief Save an edited task
753 * \param supplied_vtodo the task to save
754 * \param msgnum number of the mesage in our db
756 void save_individual_task(icalcomponent *supplied_vtodo, long msgnum, char* from, int unread,
757 struct calview *calv)
760 int delete_existing = 0;
762 icalcomponent *vtodo, *encaps;
763 int created_new_vtodo = 0;
766 struct icaltimetype t;
768 if (supplied_vtodo != NULL) {
769 vtodo = supplied_vtodo;
771 * If we're looking at a fully encapsulated VCALENDAR
772 * rather than a VTODO component, attempt to use the first
773 * relevant VTODO subcomponent. If there is none, the
774 * NULL returned by icalcomponent_get_first_component() will
775 * tell the next iteration of this function to create a
778 if (icalcomponent_isa(vtodo) == ICAL_VCALENDAR_COMPONENT) {
779 save_individual_task(
780 icalcomponent_get_first_component(
781 vtodo, ICAL_VTODO_COMPONENT),
782 msgnum, from, unread, calv
788 vtodo = icalcomponent_new(ICAL_VTODO_COMPONENT);
789 created_new_vtodo = 1;
792 if (havebstr("save_button")) {
794 /** Replace values in the component with ones from the form */
796 while (prop = icalcomponent_get_first_property(vtodo,
797 ICAL_SUMMARY_PROPERTY), prop != NULL) {
798 icalcomponent_remove_property(vtodo, prop);
799 icalproperty_free(prop);
801 if (havebstr("summary")) {
803 icalcomponent_add_property(vtodo,
804 icalproperty_new_summary(bstr("summary")));
806 icalcomponent_add_property(vtodo,
807 icalproperty_new_summary("Untitled Task"));
810 while (prop = icalcomponent_get_first_property(vtodo,
811 ICAL_DESCRIPTION_PROPERTY), prop != NULL) {
812 icalcomponent_remove_property(vtodo, prop);
813 icalproperty_free(prop);
815 if (havebstr("description")) {
816 icalcomponent_add_property(vtodo,
817 icalproperty_new_description(bstr("description")));
820 while (prop = icalcomponent_get_first_property(vtodo,
821 ICAL_DTSTART_PROPERTY), prop != NULL) {
822 icalcomponent_remove_property(vtodo, prop);
823 icalproperty_free(prop);
825 if (IsEmptyStr(bstr("nodtstart"))) {
826 icaltime_from_webform(&t, "dtstart");
827 icalcomponent_add_property(vtodo,
828 icalproperty_new_dtstart(t)
831 while(prop = icalcomponent_get_first_property(vtodo,
832 ICAL_STATUS_PROPERTY), prop != NULL) {
833 icalcomponent_remove_property(vtodo,prop);
834 icalproperty_free(prop);
836 if (havebstr("status")) {
837 icalproperty_status taskStatus = icalproperty_string_to_status(
839 icalcomponent_set_status(vtodo, taskStatus);
841 while (prop = icalcomponent_get_first_property(vtodo,
842 ICAL_CATEGORIES_PROPERTY), prop != NULL) {
843 icalcomponent_remove_property(vtodo,prop);
844 icalproperty_free(prop);
846 if (!IsEmptyStr(bstr("category"))) {
847 prop = icalproperty_new_categories(bstr("category"));
848 icalcomponent_add_property(vtodo,prop);
850 while (prop = icalcomponent_get_first_property(vtodo,
851 ICAL_DUE_PROPERTY), prop != NULL) {
852 icalcomponent_remove_property(vtodo, prop);
853 icalproperty_free(prop);
855 if (IsEmptyStr(bstr("nodue"))) {
856 icaltime_from_webform(&t, "due");
857 icalcomponent_add_property(vtodo,
858 icalproperty_new_due(t)
861 /** Give this task a UID if it doesn't have one. */
862 lprintf(9, "Give this task a UID if it doesn't have one.\n");
863 if (icalcomponent_get_first_property(vtodo,
864 ICAL_UID_PROPERTY) == NULL) {
866 icalcomponent_add_property(vtodo,
867 icalproperty_new_uid(buf)
871 /** Increment the sequence ID */
872 lprintf(9, "Increment the sequence ID\n");
873 while (prop = icalcomponent_get_first_property(vtodo,
874 ICAL_SEQUENCE_PROPERTY), (prop != NULL) ) {
875 i = icalproperty_get_sequence(prop);
876 lprintf(9, "Sequence was %d\n", i);
877 if (i > sequence) sequence = i;
878 icalcomponent_remove_property(vtodo, prop);
879 icalproperty_free(prop);
882 lprintf(9, "New sequence is %d. Adding...\n", sequence);
883 icalcomponent_add_property(vtodo,
884 icalproperty_new_sequence(sequence)
888 * Encapsulate event into full VCALENDAR component. Clone it first,
889 * for two reasons: one, it's easier to just free the whole thing
890 * when we're done instead of unbundling, but more importantly, we
891 * can't encapsulate something that may already be encapsulated
894 lprintf(9, "Encapsulating into a full VCALENDAR component\n");
895 encaps = ical_encapsulate_subcomponent(icalcomponent_new_clone(vtodo));
897 /* Serialize it and save it to the message base */
898 serv_puts("ENT0 1|||4");
899 serv_getln(buf, sizeof buf);
901 serv_puts("Content-type: text/calendar");
903 serv_puts(icalcomponent_as_ical_string(encaps));
907 * Probably not necessary; the server will see the UID
908 * of the object and delete the old one anyway, but
913 icalcomponent_free(encaps);
917 * If the user clicked 'Delete' then explicitly delete the message.
919 if (havebstr("delete_button")) {
923 if ( (delete_existing) && (msgnum > 0L) ) {
924 serv_printf("DELE %ld", lbstr("msgnum"));
925 serv_getln(buf, sizeof buf);
928 if (created_new_vtodo) {
929 icalcomponent_free(vtodo);
932 /** Go back to the task list */
939 * Code common to all icalendar display handlers. Given a message number and a MIME
940 * type, we load the message and hunt for that MIME type. If found, we load
941 * the relevant part, deserialize it into a libical component, filter it for
942 * the requested object type, and feed it to the specified handler.
944 void load_ical_object(long msgnum, int unread,
945 icalcomponent_kind which_kind,
946 void (*callback)(icalcomponent *, long, char*, int, struct calview *),
952 char mime_partnum[256];
953 char mime_filename[256];
954 char mime_content_type[256];
955 char mime_disposition[256];
957 char relevant_partnum[256];
958 char *relevant_source = NULL;
959 icalcomponent *cal, *c;
961 relevant_partnum[0] = '\0';
962 sprintf(buf, "MSG4 %ld", msgnum); /* we need the mime headers */
964 serv_getln(buf, sizeof buf);
965 if (buf[0] != '1') return;
967 while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
968 if (!strncasecmp(buf, "part=", 5)) {
969 extract_token(mime_filename, &buf[5], 1, '|', sizeof mime_filename);
970 extract_token(mime_partnum, &buf[5], 2, '|', sizeof mime_partnum);
971 extract_token(mime_disposition, &buf[5], 3, '|', sizeof mime_disposition);
972 extract_token(mime_content_type, &buf[5], 4, '|', sizeof mime_content_type);
973 mime_length = extract_int(&buf[5], 5);
975 if ( (!strcasecmp(mime_content_type, "text/calendar"))
976 || (!strcasecmp(mime_content_type, "application/ics"))
977 || (!strcasecmp(mime_content_type, "text/vtodo"))
979 strcpy(relevant_partnum, mime_partnum);
982 else if (!strncasecmp(buf, "from=", 4)) {
983 extract_token(from, buf, 1, '=', sizeof(from));
987 if (!IsEmptyStr(relevant_partnum)) {
988 relevant_source = load_mimepart(msgnum, relevant_partnum);
989 if (relevant_source != NULL) {
991 cal = icalcomponent_new_from_string(relevant_source);
994 /* A which_kind of (-1) means just load the whole thing */
995 if (which_kind == (-1)) {
996 callback(cal, msgnum, from, unread, calv);
999 /* Otherwise recurse and hunt */
1002 /* Simple components of desired type */
1003 if (icalcomponent_isa(cal) == which_kind) {
1004 callback(cal, msgnum, from, unread, calv);
1007 /* Subcomponents of desired type */
1008 for (c = icalcomponent_get_first_component(cal, which_kind);
1010 c = icalcomponent_get_next_component(cal, which_kind)) {
1011 callback(c, msgnum, from, unread, calv);
1016 icalcomponent_free(cal);
1018 free(relevant_source);
1021 icalmemory_free_ring();
1025 * Display a calendar item
1027 void load_calendar_item(message_summary *Msg, int unread, struct calview *c) {
1028 /*load_ical_object(Msg->msgnum, unread, ICAL_VEVENT_COMPONENT, display_individual_cal, c);*/
1029 load_ical_object(Msg->msgnum, unread, (-1), display_individual_cal, c);
1035 void display_task(message_summary *Msg, int unread) {
1036 load_ical_object(Msg->msgnum, unread, ICAL_VTODO_COMPONENT, display_individual_cal, NULL);
1040 * Display the editor component for a task
1042 void display_edit_task(void) {
1045 /* Force change the room if we have to */
1046 if (havebstr("taskrm")) {
1047 gotoroom((char *)bstr("taskrm"));
1050 msgnum = lbstr("msgnum");
1053 load_ical_object(msgnum, 0,
1054 ICAL_VTODO_COMPONENT,
1055 display_edit_individual_task,
1061 display_edit_individual_task(NULL, 0L, "", 0, NULL);
1066 * save an edited task
1068 void save_task(void) {
1070 msgnum = lbstr("msgnum");
1072 load_ical_object(msgnum, 0, ICAL_VTODO_COMPONENT, save_individual_task, NULL);
1075 save_individual_task(NULL, 0L, "", 0, NULL);
1080 * display the editor component for an event
1082 void display_edit_event(void) {
1085 msgnum = lbstr("msgnum");
1087 /* existing event */
1088 load_ical_object(msgnum, 0, ICAL_VEVENT_COMPONENT, display_edit_individual_event, NULL);
1092 display_edit_individual_event(NULL, 0L, "", 0, NULL);
1097 * save an edited event
1099 void save_event(void) {
1102 msgnum = lbstr("msgnum");
1105 /* load_ical_object(msgnum, 0, ICAL_VEVENT_COMPONENT, save_individual_event, NULL); */
1106 load_ical_object(msgnum, 0, (-1), save_individual_event, NULL);
1109 save_individual_event(NULL, 0L, "", 0, NULL);
1118 * Anonymous request of freebusy data for a user
1120 void do_freebusy(const char *req) {
1126 extract_token(who, req, 1, ' ', sizeof who);
1127 if (!strncasecmp(who, "/freebusy/", 10)) {
1128 strcpy(who, &who[10]);
1130 unescape_input(who);
1133 if ( (!strcasecmp(&who[len-4], ".vcf"))
1134 || (!strcasecmp(&who[len-4], ".ifb"))
1135 || (!strcasecmp(&who[len-4], ".vfb")) ) {
1139 lprintf(9, "freebusy requested for <%s>\n", who);
1140 serv_printf("ICAL freebusy|%s", who);
1141 serv_getln(buf, sizeof buf);
1143 if (buf[0] != '1') {
1144 hprintf("HTTP/1.1 404 %s\n", &buf[4]);
1145 output_headers(0, 0, 0, 0, 0, 0);
1146 hprintf("Content-Type: text/plain\r\n");
1147 wprintf("%s\n", &buf[4]);
1152 read_server_text(WC->WBuf, &lines);
1153 http_transmit_thing("text/calendar", 0);
1164 WebcitAddUrlHandler(HKEY("display_edit_task"), display_edit_task, 0);
1165 WebcitAddUrlHandler(HKEY("save_task"), save_task, 0);
1166 WebcitAddUrlHandler(HKEY("display_edit_event"), display_edit_event, 0);
1167 WebcitAddUrlHandler(HKEY("save_event"), save_event, 0);
1168 WebcitAddUrlHandler(HKEY("respond_to_request"), respond_to_request, 0);
1169 WebcitAddUrlHandler(HKEY("handle_rsvp"), handle_rsvp, 0);