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 /* Leading HTML for the display of this object */
41 if (recursion_level == 0) {
42 StrBufAppendPrintf(Target, "<div class=\"mimepart\">\n");
45 /* Look for a method */
46 method = icalcomponent_get_first_property(cal, ICAL_METHOD_PROPERTY);
48 /* See what we need to do with this */
50 the_method = icalproperty_get_method(method);
53 StrBufAppendPrintf(Target, "<div id=\"%s_title\">", divname);
54 StrBufAppendPrintf(Target, "<img src=\"static/calarea_48x.gif\">");
55 StrBufAppendPrintf(Target, "<span>");
57 case ICAL_METHOD_REQUEST:
58 title = _("Meeting invitation");
60 case ICAL_METHOD_REPLY:
61 title = _("Attendee's reply to your invitation");
63 case ICAL_METHOD_PUBLISH:
64 title = _("Published event");
67 title = _("This is an unknown type of calendar item.");
70 StrBufAppendPrintf(Target, "</span>");
72 StrBufAppendPrintf(Target, " %s",title);
73 StrBufAppendPrintf(Target, "</div>");
76 StrBufAppendPrintf(Target, "<dl>");
77 p = icalcomponent_get_first_property(cal, ICAL_SUMMARY_PROPERTY);
79 StrBufAppendPrintf(Target, "<dt>");
80 StrBufAppendPrintf(Target, _("Summary:"));
81 StrBufAppendPrintf(Target, "</dt><dd>");
82 StrEscAppend(Target, NULL, (char *)icalproperty_get_comment(p), 0, 0);
83 StrBufAppendPrintf(Target, "</dd>\n");
86 p = icalcomponent_get_first_property(cal, ICAL_LOCATION_PROPERTY);
88 StrBufAppendPrintf(Target, "<dt>");
89 StrBufAppendPrintf(Target, _("Location:"));
90 StrBufAppendPrintf(Target, "</dt><dd>");
91 StrEscAppend(Target, NULL, (char *)icalproperty_get_comment(p), 0, 0);
92 StrBufAppendPrintf(Target, "</dd>\n");
96 * Only show start/end times if we're actually looking at the VEVENT
97 * component. Otherwise it shows bogus dates for things like timezone.
99 if (icalcomponent_isa(cal) == ICAL_VEVENT_COMPONENT) {
101 p = icalcomponent_get_first_property(cal, ICAL_DTSTART_PROPERTY);
103 t = icalproperty_get_dtstart(p);
108 memset(&d_tm, 0, sizeof d_tm);
109 d_tm.tm_year = t.year - 1900;
110 d_tm.tm_mon = t.month - 1;
111 d_tm.tm_mday = t.day;
112 wc_strftime(d_str, sizeof d_str, "%x", &d_tm);
113 StrBufAppendPrintf(Target, "<dt>");
114 StrBufAppendPrintf(Target, _("Date:"));
115 StrBufAppendPrintf(Target, "</dt><dd>%s</dd>", d_str);
118 tt = icaltime_as_timet(t);
119 webcit_fmt_date(buf, tt, 0);
120 StrBufAppendPrintf(Target, "<dt>");
121 StrBufAppendPrintf(Target, _("Starting date/time:"));
122 StrBufAppendPrintf(Target, "</dt><dd>%s</dd>", buf);
126 p = icalcomponent_get_first_property(cal, ICAL_DTEND_PROPERTY);
128 t = icalproperty_get_dtend(p);
129 tt = icaltime_as_timet(t);
130 webcit_fmt_date(buf, tt, 0);
131 StrBufAppendPrintf(Target, "<dt>");
132 StrBufAppendPrintf(Target, _("Ending date/time:"));
133 StrBufAppendPrintf(Target, "</dt><dd>%s</dd>", buf);
138 p = icalcomponent_get_first_property(cal, ICAL_DESCRIPTION_PROPERTY);
140 StrBufAppendPrintf(Target, "<dt>");
141 StrBufAppendPrintf(Target, _("Description:"));
142 StrBufAppendPrintf(Target, "</dt><dd>");
143 StrEscAppend(Target, NULL, (char *)icalproperty_get_comment(p), 0, 0);
144 StrBufAppendPrintf(Target, "</dd>\n");
147 /* If the component has attendees, iterate through them. */
148 for (p = icalcomponent_get_first_property(cal, ICAL_ATTENDEE_PROPERTY);
150 p = icalcomponent_get_next_property(cal, ICAL_ATTENDEE_PROPERTY)) {
151 StrBufAppendPrintf(Target, "<dt>");
152 StrBufAppendPrintf(Target, _("Attendee:"));
153 StrBufAppendPrintf(Target, "</dt><dd>");
154 safestrncpy(buf, icalproperty_get_attendee(p), sizeof buf);
155 if (!strncasecmp(buf, "MAILTO:", 7)) {
157 /** screen name or email address */
158 strcpy(buf, &buf[7]);
160 StrEscAppend(Target, NULL, buf, 0, 0);
161 StrBufAppendPrintf(Target, " ");
163 /** participant status */
164 partstat_as_string(buf, p);
165 StrEscAppend(Target, NULL, buf, 0, 0);
167 StrBufAppendPrintf(Target, "</dd>\n");
170 /* If the component has subcomponents, recurse through them. */
171 for (c = icalcomponent_get_first_component(cal, ICAL_ANY_COMPONENT);
173 c = icalcomponent_get_next_component(cal, ICAL_ANY_COMPONENT)) {
174 /* Recursively process subcomponent */
175 cal_process_object(Target, c, recursion_level+1, msgnum, cal_partnum);
178 /* If this is a REQUEST, display conflicts and buttons */
179 if (the_method == ICAL_METHOD_REQUEST) {
181 /* Check for conflicts */
182 lprintf(9, "Checking server calendar for conflicts...\n");
183 serv_printf("ICAL conflicts|%ld|%s|", msgnum, cal_partnum);
184 serv_getln(buf, sizeof buf);
186 while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
187 extract_token(conflict_name, buf, 3, '|', sizeof conflict_name);
188 is_update = extract_int(buf, 4);
191 snprintf(conflict_message, sizeof conflict_message,
192 _("This is an update of '%s' which is already in your calendar."), conflict_name);
195 snprintf(conflict_message, sizeof conflict_message,
196 _("This event would conflict with '%s' which is already in your calendar."), conflict_name);
199 StrBufAppendPrintf(Target, "<dt>%s",
205 StrBufAppendPrintf(Target, "</dt><dd>");
206 StrEscAppend(Target, NULL, conflict_message, 0, 0);
207 StrBufAppendPrintf(Target, "</dd>\n");
210 lprintf(9, "...done.\n");
212 StrBufAppendPrintf(Target, "</dl>");
214 /* Display the Accept/Decline buttons */
215 StrBufAppendPrintf(Target, "<p id=\"%s_question\">"
217 " <span class=\"button_link\"> "
218 "<a href=\"javascript:RespondToInvitation('%s_question','%s_title','%ld','%s','Accept');\">%s</a>"
219 "</span> <span class=\"button_link\">"
220 "<a href=\"javascript:RespondToInvitation('%s_question','%s_title','%ld','%s','Tentative');\">%s</a>"
221 "</span> <span class=\"button_link\">"
222 "<a href=\"javascript:RespondToInvitation('%s_question','%s_title','%ld','%s','Decline');\">%s</a>"
225 _("How would you like to respond to this invitation?"),
226 divname, divname, msgnum, cal_partnum, _("Accept"),
227 divname, divname, msgnum, cal_partnum, _("Tentative"),
228 divname, divname, msgnum, cal_partnum, _("Decline")
233 /* If this is a REPLY, display update button */
234 if (the_method == ICAL_METHOD_REPLY) {
236 /* In the future, if we want to validate this object before
237 * continuing, we can do it this way:
238 serv_printf("ICAL whatever|%ld|%s|", msgnum, cal_partnum);
239 serv_getln(buf, sizeof buf);
243 /* Display the update buttons */
244 StrBufAppendPrintf(Target, "<p id=\"%s_question\" >"
246 " <span class=\"button_link\"> "
247 "<a href=\"javascript:HandleRSVP('%s_question','%s_title','%ld','%s','Update');\">%s</a>"
248 "</span> <span class=\"button_link\">"
249 "<a href=\"javascript:HandleRSVP('%s_question','%s_title','%ld','%s','Ignore');\">%s</a>"
252 _("Click <i>Update</i> to accept this reply and update your calendar."),
253 divname, divname, msgnum, cal_partnum, _("Update"),
254 divname, divname, msgnum, cal_partnum, _("Ignore")
259 /* Trailing HTML for the display of this object */
260 if (recursion_level == 0) {
261 StrBufAppendPrintf(Target, "<p> </p></div>\n");
267 * \brief process calendar mail atachment
268 * Deserialize a calendar object in a message so it can be processed.
269 * (This is the main entry point for these things)
270 * \param part_source the part of the message we want to parse
271 * \param msgnum number of the mesage in our db
272 * \param cal_partnum the number of the calendar item
274 void cal_process_attachment(wc_mime_attachment *Mime)
278 cal = icalcomponent_new_from_string(ChrPtr(Mime->Data));
279 FlushStrBuf(Mime->Data);
281 StrBufAppendPrintf(Mime->Data, _("There was an error parsing this calendar item."));
282 StrBufAppendPrintf(Mime->Data, "<br />\n");
286 cal_process_object(Mime->Data, cal, 0, Mime->msgnum, ChrPtr(Mime->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, struct calview *calv)
418 icalproperty *ps = NULL;
419 struct icaltimetype dtstart, dtend;
420 struct icaldurationtype dur;
421 struct wcsession *WCC = WC;
424 time_t final_recurrence = 0;
426 /* recur variables */
427 icalproperty *rrule = NULL;
428 struct icalrecurrencetype recur;
429 icalrecur_iterator *ritr = NULL;
430 struct icaltimetype next;
433 dtstart = icaltime_null_time();
434 dtend = icaltime_null_time();
436 if (WCC->disp_cal_items == NULL)
437 WCC->disp_cal_items = NewHash(0, Flathash);
439 /* Note: anything we do here, we also have to do below for the recurrences. */
440 Cal = (disp_cal*) malloc(sizeof(disp_cal));
441 memset(Cal, 0, sizeof(disp_cal));
442 Cal->cal = icalcomponent_new_clone(cal);
444 /* Dezonify and decapsulate at the very last moment */
445 ical_dezonify(Cal->cal);
447 if (icalcomponent_isa(Cal->cal) != ICAL_VEVENT_COMPONENT) {
448 cptr = icalcomponent_get_first_component(Cal->cal, ICAL_VEVENT_COMPONENT);
450 cptr = icalcomponent_new_clone(cptr);
451 icalcomponent_free(Cal->cal);
453 lprintf(9, "Deeeeeeeeeeeeeecapsulated!\n");
457 Cal->unread = unread;
459 Cal->from = (char*)malloc(len+ 1);
460 memcpy(Cal->from, from, len + 1);
461 Cal->cal_msgnum = msgnum;
463 /* Precalculate the starting date and time of this event, and store it in our top-level
464 * structure. Later, when we are rendering the calendar, we can just peek at these values
465 * without having to break apart every calendar item.
467 ps = icalcomponent_get_first_property(Cal->cal, ICAL_DTSTART_PROPERTY);
469 dtstart = icalproperty_get_dtstart(ps);
470 Cal->event_start = icaltime_as_timet(dtstart);
471 lprintf(9, "
\e[31mINITIAL: %s, is_utc=%d, tzid=%s
\e[0m\n",
472 icaltime_as_ical_string(dtstart),
473 icaltime_is_utc(dtstart),
474 icaltime_get_tzid(dtstart)
478 /* Do the same for the ending date and time. It makes the day view much easier to render. */
479 ps = icalcomponent_get_first_property(Cal->cal, ICAL_DTEND_PROPERTY);
481 dtend = icalproperty_get_dtend(ps);
482 Cal->event_end = icaltime_as_timet(dtend);
485 /* Store it in the hash list. */
486 Put(WCC->disp_cal_items,
487 (char*) &Cal->event_start,
488 sizeof(Cal->event_start),
492 /* handle recurring events */
494 if (icaltime_is_null_time(dtstart)) return; /* Can't recur without a start time */
496 if (!icaltime_is_null_time(dtend)) { /* Need duration for recurrences */
497 dur = icaltime_subtract(dtend, dtstart);
501 * Just let libical iterate the recurrence, and keep looping back to the top of this function,
502 * adding new hash entries that all point back to the same msgnum, until either the iteration
503 * stops or some outer bound is reached. The display code will automatically do the Right Thing.
505 rrule = icalcomponent_get_first_property(cal, ICAL_RRULE_PROPERTY);
507 recur = icalproperty_get_rrule(rrule);
508 ritr = icalrecur_iterator_new(recur, dtstart);
512 while (next = icalrecur_iterator_next(ritr), ((!icaltime_is_null_time(next))&&(!stop_rr)) ) {
515 if (num_recur > 1) { /* Skip the first one. We already did it at the root. */
517 /* Note: anything we do here, we also have to do above for the root event. */
518 Cal = (disp_cal*) malloc(sizeof(disp_cal));
519 memset(Cal, 0, sizeof(disp_cal));
520 Cal->cal = icalcomponent_new_clone(cal);
521 Cal->unread = unread;
523 Cal->from = (char*)malloc(len+ 1);
524 memcpy(Cal->from, from, len + 1);
525 Cal->cal_msgnum = msgnum;
527 ps = icalcomponent_get_first_property(Cal->cal, ICAL_DTSTART_PROPERTY);
529 icalcomponent_remove_property(Cal->cal, ps);
530 ps = icalproperty_new_dtstart(next);
531 icalcomponent_add_property(Cal->cal, ps);
533 /* Dezonify and decapsulate each recurrence individually, otherwise
534 * we slide over by an hour whenever we cross a DST boundary.
536 ical_dezonify(Cal->cal);
538 if (icalcomponent_isa(Cal->cal) != ICAL_VEVENT_COMPONENT) {
539 cptr = icalcomponent_get_first_component(Cal->cal,
540 ICAL_VEVENT_COMPONENT);
542 cptr = icalcomponent_new_clone(cptr);
543 icalcomponent_free(Cal->cal);
545 lprintf(9, "Deeeeeeeeeeeeeecapsulated!\n");
550 /* FIXME the above is broken, why? */
557 Cal->event_start = icaltime_as_timet(next);
558 lprintf(9, "
\e[32mREPEATS: %s, is_utc=%d, tzid=%s
\e[0m\n",
559 icaltime_as_ical_string(next),
560 icaltime_is_utc(next),
561 icaltime_get_tzid(next)
563 final_recurrence = Cal->event_start;
566 ps = icalcomponent_get_first_property(Cal->cal, ICAL_DTEND_PROPERTY);
568 icalcomponent_remove_property(Cal->cal, ps);
570 /* Make a new dtend */
571 ps = icalproperty_new_dtend(icaltime_add(next, dur));
573 /* and stick it somewhere */
574 icalcomponent_add_property(Cal->cal, ps);
577 if ( (Cal->event_start > calv->lower_bound)
578 && (Cal->event_start < calv->upper_bound) ) {
579 Put(WCC->disp_cal_items,
580 (char*) &Cal->event_start,
581 sizeof(Cal->event_start),
590 /* If an upper bound is set, stop when we go out of scope */
591 if (final_recurrence > calv->upper_bound) stop_rr = 1;
594 icalrecur_iterator_free(ritr);
595 /* lprintf(9, "Performed %d recurrences; final one is %s", num_recur, ctime(&final_recurrence)); */
602 * Display a task by itself (for editing)
604 void display_edit_individual_task(icalcomponent *supplied_vtodo, long msgnum, char *from,
605 int unread, struct calview *calv)
607 icalcomponent *vtodo;
609 struct icaltimetype IcalTime;
611 int created_new_vtodo = 0;
612 icalproperty_status todoStatus;
616 if (supplied_vtodo != NULL) {
617 vtodo = supplied_vtodo;
620 * If we're looking at a fully encapsulated VCALENDAR
621 * rather than a VTODO component, attempt to use the first
622 * relevant VTODO subcomponent. If there is none, the
623 * NULL returned by icalcomponent_get_first_component() will
624 * tell the next iteration of this function to create a
627 if (icalcomponent_isa(vtodo) == ICAL_VCALENDAR_COMPONENT) {
628 display_edit_individual_task(
629 icalcomponent_get_first_component(
630 vtodo, ICAL_VTODO_COMPONENT
632 msgnum, from, unread, calv
638 vtodo = icalcomponent_new(ICAL_VTODO_COMPONENT);
639 created_new_vtodo = 1;
642 // TODO: Can we take all this and move it into a template?
643 output_headers(1, 1, 1, 0, 0, 0);
644 wprintf("<!-- start task edit form -->");
645 p = icalcomponent_get_first_property(vtodo, ICAL_SUMMARY_PROPERTY);
646 // Get summary early for title
647 wprintf("<div class=\"box\">\n");
648 wprintf("<div class=\"boxlabel\">");
649 wprintf(_("Edit task"));
652 escputs((char *)icalproperty_get_comment(p));
656 wprintf("<div class=\"boxcontent\">\n");
657 wprintf("<FORM METHOD=\"POST\" action=\"save_task\">\n");
658 wprintf("<div style=\"display: none;\">\n ");
659 wprintf("<input type=\"hidden\" name=\"nonce\" value=\"%d\">\n", WC->nonce);
660 wprintf("<INPUT TYPE=\"hidden\" NAME=\"msgnum\" VALUE=\"%ld\">\n",
663 wprintf("<table class=\"calendar_background\"><tr><td>");
664 wprintf("<TABLE STYLE=\"border: none;\">\n");
667 wprintf(_("Summary:"));
669 "<INPUT TYPE=\"text\" NAME=\"summary\" "
670 "MAXLENGTH=\"64\" SIZE=\"64\" VALUE=\"");
671 p = icalcomponent_get_first_property(vtodo, ICAL_SUMMARY_PROPERTY);
673 escputs((char *)icalproperty_get_comment(p));
675 wprintf("\"></TD></TR>\n");
678 wprintf(_("Start date:"));
679 wprintf("</TD><TD>");
680 p = icalcomponent_get_first_property(vtodo, ICAL_DTSTART_PROPERTY);
681 wprintf("<INPUT TYPE=\"CHECKBOX\" NAME=\"nodtstart\" ID=\"nodtstart\" VALUE=\"NODTSTART\" ");
683 wprintf("CHECKED=\"CHECKED\"");
686 wprintf(_("No date"));
692 IcalTime = icalproperty_get_dtstart(p);
695 IcalTime = icaltime_current_time_with_zone(get_default_icaltimezone());
696 display_icaltimetype_as_webform(&IcalTime, "dtstart", 0);
697 wprintf("</TD></TR>\n");
700 wprintf(_("Due date:"));
701 wprintf("</TD><TD>");
702 p = icalcomponent_get_first_property(vtodo, ICAL_DUE_PROPERTY);
703 wprintf("<INPUT TYPE=\"CHECKBOX\" NAME=\"nodue\" ID=\"nodue\" VALUE=\"NODUE\"");
705 wprintf("CHECKED=\"CHECKED\"");
708 wprintf(_("No date"));
713 IcalTime = icalproperty_get_due(p);
716 IcalTime = icaltime_current_time_with_zone(get_default_icaltimezone());
717 display_icaltimetype_as_webform(&IcalTime, "due", 0);
719 wprintf("</TD></TR>\n");
720 todoStatus = icalcomponent_get_status(vtodo);
721 wprintf("<TR><TD>\n");
722 wprintf(_("Completed:"));
723 wprintf("</TD><TD>");
724 wprintf("<INPUT TYPE=\"CHECKBOX\" NAME=\"status\" VALUE=\"COMPLETED\"");
725 if (todoStatus == ICAL_STATUS_COMPLETED) {
726 wprintf(" CHECKED=\"CHECKED\"");
729 wprintf("</TD></TR>");
730 // start category field
731 p = icalcomponent_get_first_property(vtodo, ICAL_CATEGORIES_PROPERTY);
733 wprintf(_("Category:"));
734 wprintf("</TD><TD>");
735 wprintf("<INPUT TYPE=\"text\" NAME=\"category\" MAXLENGTH=\"32\" SIZE=\"32\" VALUE=\"");
737 escputs((char *)icalproperty_get_categories(p));
740 wprintf("</TD></TR>\n ");
741 // end category field
743 wprintf(_("Description:"));
744 wprintf("</TD><TD>");
745 wprintf("<TEXTAREA NAME=\"description\" "
746 "ROWS=\"10\" COLS=\"80\">\n"
748 p = icalcomponent_get_first_property(vtodo, ICAL_DESCRIPTION_PROPERTY);
750 escputs((char *)icalproperty_get_comment(p));
752 wprintf("</TEXTAREA></TD></TR></TABLE>\n");
754 wprintf("<SPAN STYLE=\"text-align: center;\">"
755 "<INPUT TYPE=\"submit\" NAME=\"save_button\" VALUE=\"%s\">"
757 "<INPUT TYPE=\"submit\" NAME=\"delete_button\" VALUE=\"%s\">\n"
759 "<INPUT TYPE=\"submit\" NAME=\"cancel_button\" VALUE=\"%s\">\n"
765 wprintf("</td></tr></table>");
766 wprintf("</FORM>\n");
767 wprintf("</div></div></div>\n");
768 wprintf("<!-- end task edit form -->");
771 if (created_new_vtodo) {
772 icalcomponent_free(vtodo);
777 * \brief Save an edited task
778 * \param supplied_vtodo the task to save
779 * \param msgnum number of the mesage in our db
781 void save_individual_task(icalcomponent *supplied_vtodo, long msgnum, char* from, int unread,
782 struct calview *calv)
785 int delete_existing = 0;
787 icalcomponent *vtodo, *encaps;
788 int created_new_vtodo = 0;
791 struct icaltimetype t;
793 if (supplied_vtodo != NULL) {
794 vtodo = supplied_vtodo;
796 * If we're looking at a fully encapsulated VCALENDAR
797 * rather than a VTODO component, attempt to use the first
798 * relevant VTODO subcomponent. If there is none, the
799 * NULL returned by icalcomponent_get_first_component() will
800 * tell the next iteration of this function to create a
803 if (icalcomponent_isa(vtodo) == ICAL_VCALENDAR_COMPONENT) {
804 save_individual_task(
805 icalcomponent_get_first_component(
806 vtodo, ICAL_VTODO_COMPONENT),
807 msgnum, from, unread, calv
813 vtodo = icalcomponent_new(ICAL_VTODO_COMPONENT);
814 created_new_vtodo = 1;
817 if (havebstr("save_button")) {
819 /** Replace values in the component with ones from the form */
821 while (prop = icalcomponent_get_first_property(vtodo,
822 ICAL_SUMMARY_PROPERTY), prop != NULL) {
823 icalcomponent_remove_property(vtodo, prop);
824 icalproperty_free(prop);
826 if (havebstr("summary")) {
828 icalcomponent_add_property(vtodo,
829 icalproperty_new_summary(bstr("summary")));
831 icalcomponent_add_property(vtodo,
832 icalproperty_new_summary("Untitled Task"));
835 while (prop = icalcomponent_get_first_property(vtodo,
836 ICAL_DESCRIPTION_PROPERTY), prop != NULL) {
837 icalcomponent_remove_property(vtodo, prop);
838 icalproperty_free(prop);
840 if (havebstr("description")) {
841 icalcomponent_add_property(vtodo,
842 icalproperty_new_description(bstr("description")));
845 while (prop = icalcomponent_get_first_property(vtodo,
846 ICAL_DTSTART_PROPERTY), prop != NULL) {
847 icalcomponent_remove_property(vtodo, prop);
848 icalproperty_free(prop);
850 if (IsEmptyStr(bstr("nodtstart"))) {
851 icaltime_from_webform(&t, "dtstart");
852 icalcomponent_add_property(vtodo,
853 icalproperty_new_dtstart(t)
856 while(prop = icalcomponent_get_first_property(vtodo,
857 ICAL_STATUS_PROPERTY), prop != NULL) {
858 icalcomponent_remove_property(vtodo,prop);
859 icalproperty_free(prop);
861 if (havebstr("status")) {
862 icalproperty_status taskStatus = icalproperty_string_to_status(
864 icalcomponent_set_status(vtodo, taskStatus);
866 while (prop = icalcomponent_get_first_property(vtodo,
867 ICAL_CATEGORIES_PROPERTY), prop != NULL) {
868 icalcomponent_remove_property(vtodo,prop);
869 icalproperty_free(prop);
871 if (!IsEmptyStr(bstr("category"))) {
872 prop = icalproperty_new_categories(bstr("category"));
873 icalcomponent_add_property(vtodo,prop);
875 while (prop = icalcomponent_get_first_property(vtodo,
876 ICAL_DUE_PROPERTY), prop != NULL) {
877 icalcomponent_remove_property(vtodo, prop);
878 icalproperty_free(prop);
880 if (IsEmptyStr(bstr("nodue"))) {
881 icaltime_from_webform(&t, "due");
882 icalcomponent_add_property(vtodo,
883 icalproperty_new_due(t)
886 /** Give this task a UID if it doesn't have one. */
887 lprintf(9, "Give this task a UID if it doesn't have one.\n");
888 if (icalcomponent_get_first_property(vtodo,
889 ICAL_UID_PROPERTY) == NULL) {
891 icalcomponent_add_property(vtodo,
892 icalproperty_new_uid(buf)
896 /** Increment the sequence ID */
897 lprintf(9, "Increment the sequence ID\n");
898 while (prop = icalcomponent_get_first_property(vtodo,
899 ICAL_SEQUENCE_PROPERTY), (prop != NULL) ) {
900 i = icalproperty_get_sequence(prop);
901 lprintf(9, "Sequence was %d\n", i);
902 if (i > sequence) sequence = i;
903 icalcomponent_remove_property(vtodo, prop);
904 icalproperty_free(prop);
907 lprintf(9, "New sequence is %d. Adding...\n", sequence);
908 icalcomponent_add_property(vtodo,
909 icalproperty_new_sequence(sequence)
913 * Encapsulate event into full VCALENDAR component. Clone it first,
914 * for two reasons: one, it's easier to just free the whole thing
915 * when we're done instead of unbundling, but more importantly, we
916 * can't encapsulate something that may already be encapsulated
919 lprintf(9, "Encapsulating into a full VCALENDAR component\n");
920 encaps = ical_encapsulate_subcomponent(icalcomponent_new_clone(vtodo));
922 /* Serialize it and save it to the message base */
923 serv_puts("ENT0 1|||4");
924 serv_getln(buf, sizeof buf);
926 serv_puts("Content-type: text/calendar");
928 serv_puts(icalcomponent_as_ical_string(encaps));
932 * Probably not necessary; the server will see the UID
933 * of the object and delete the old one anyway, but
938 icalcomponent_free(encaps);
942 * If the user clicked 'Delete' then explicitly delete the message.
944 if (havebstr("delete_button")) {
948 if ( (delete_existing) && (msgnum > 0L) ) {
949 serv_printf("DELE %ld", lbstr("msgnum"));
950 serv_getln(buf, sizeof buf);
953 if (created_new_vtodo) {
954 icalcomponent_free(vtodo);
957 /** Go back to the task list */
964 * Code common to all icalendar display handlers. Given a message number and a MIME
965 * type, we load the message and hunt for that MIME type. If found, we load
966 * the relevant part, deserialize it into a libical component, filter it for
967 * the requested object type, and feed it to the specified handler.
969 void load_ical_object(long msgnum, int unread,
970 icalcomponent_kind which_kind,
971 void (*callback)(icalcomponent *, long, char*, int, struct calview *),
977 char mime_partnum[256];
978 char mime_filename[256];
979 char mime_content_type[256];
980 char mime_disposition[256];
982 char relevant_partnum[256];
983 char *relevant_source = NULL;
984 icalcomponent *cal, *c;
986 relevant_partnum[0] = '\0';
987 sprintf(buf, "MSG4 %ld", msgnum); /* we need the mime headers */
989 serv_getln(buf, sizeof buf);
990 if (buf[0] != '1') return;
992 while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
993 if (!strncasecmp(buf, "part=", 5)) {
994 extract_token(mime_filename, &buf[5], 1, '|', sizeof mime_filename);
995 extract_token(mime_partnum, &buf[5], 2, '|', sizeof mime_partnum);
996 extract_token(mime_disposition, &buf[5], 3, '|', sizeof mime_disposition);
997 extract_token(mime_content_type, &buf[5], 4, '|', sizeof mime_content_type);
998 mime_length = extract_int(&buf[5], 5);
1000 if ( (!strcasecmp(mime_content_type, "text/calendar"))
1001 || (!strcasecmp(mime_content_type, "application/ics"))
1002 || (!strcasecmp(mime_content_type, "text/vtodo"))
1004 strcpy(relevant_partnum, mime_partnum);
1007 else if (!strncasecmp(buf, "from=", 4)) {
1008 extract_token(from, buf, 1, '=', sizeof(from));
1012 if (!IsEmptyStr(relevant_partnum)) {
1013 relevant_source = load_mimepart(msgnum, relevant_partnum);
1014 if (relevant_source != NULL) {
1016 cal = icalcomponent_new_from_string(relevant_source);
1020 p = icalcomponent_get_first_property(cal, ICAL_DTSTART_PROPERTY);
1022 lprintf(9, "DTSTART IS %s\n",
1023 icaltime_as_ical_string(
1024 icalproperty_get_dtstart(p)
1031 /* A which_kind of (-1) means just load the whole thing */
1032 if (which_kind == (-1)) {
1033 callback(cal, msgnum, from, unread, calv);
1036 /* Otherwise recurse and hunt */
1039 /* Simple components of desired type */
1040 if (icalcomponent_isa(cal) == which_kind) {
1041 callback(cal, msgnum, from, unread, calv);
1044 /* Subcomponents of desired type */
1045 for (c = icalcomponent_get_first_component(cal, which_kind);
1047 c = icalcomponent_get_next_component(cal, which_kind)) {
1048 callback(c, msgnum, from, unread, calv);
1053 icalcomponent_free(cal);
1055 free(relevant_source);
1058 icalmemory_free_ring();
1062 * Display a calendar item
1064 void load_calendar_item(message_summary *Msg, int unread, struct calview *c) {
1065 /*load_ical_object(Msg->msgnum, unread, ICAL_VEVENT_COMPONENT, display_individual_cal, c);*/
1066 load_ical_object(Msg->msgnum, unread, (-1), display_individual_cal, c);
1072 void display_task(message_summary *Msg, int unread) {
1073 load_ical_object(Msg->msgnum, unread, ICAL_VTODO_COMPONENT, display_individual_cal, NULL);
1077 * Display the editor component for a task
1079 void display_edit_task(void) {
1082 /* Force change the room if we have to */
1083 if (havebstr("taskrm")) {
1084 gotoroom((char *)bstr("taskrm"));
1087 msgnum = lbstr("msgnum");
1090 load_ical_object(msgnum, 0,
1091 ICAL_VTODO_COMPONENT,
1092 display_edit_individual_task,
1098 display_edit_individual_task(NULL, 0L, "", 0, NULL);
1103 * save an edited task
1105 void save_task(void) {
1107 msgnum = lbstr("msgnum");
1109 load_ical_object(msgnum, 0, ICAL_VTODO_COMPONENT, save_individual_task, NULL);
1112 save_individual_task(NULL, 0L, "", 0, NULL);
1117 * display the editor component for an event
1119 void display_edit_event(void) {
1122 msgnum = lbstr("msgnum");
1124 /* existing event */
1125 load_ical_object(msgnum, 0, ICAL_VEVENT_COMPONENT, display_edit_individual_event, NULL);
1129 display_edit_individual_event(NULL, 0L, "", 0, NULL);
1134 * save an edited event
1136 void save_event(void) {
1139 msgnum = lbstr("msgnum");
1142 load_ical_object(msgnum, 0, ICAL_VEVENT_COMPONENT, save_individual_event, NULL);
1145 save_individual_event(NULL, 0L, "", 0, NULL);
1154 * Anonymous request of freebusy data for a user
1156 void do_freebusy(const char *req) {
1162 extract_token(who, req, 1, ' ', sizeof who);
1163 if (!strncasecmp(who, "/freebusy/", 10)) {
1164 strcpy(who, &who[10]);
1166 unescape_input(who);
1169 if ( (!strcasecmp(&who[len-4], ".vcf"))
1170 || (!strcasecmp(&who[len-4], ".ifb"))
1171 || (!strcasecmp(&who[len-4], ".vfb")) ) {
1175 lprintf(9, "freebusy requested for <%s>\n", who);
1176 serv_printf("ICAL freebusy|%s", who);
1177 serv_getln(buf, sizeof buf);
1179 if (buf[0] != '1') {
1180 hprintf("HTTP/1.1 404 %s\n", &buf[4]);
1181 output_headers(0, 0, 0, 0, 0, 0);
1182 hprintf("Content-Type: text/plain\r\n");
1183 wprintf("%s\n", &buf[4]);
1188 read_server_text(WC->WBuf, &lines);
1189 http_transmit_thing("text/calendar", 0);
1200 WebcitAddUrlHandler(HKEY("display_edit_task"), display_edit_task, 0);
1201 WebcitAddUrlHandler(HKEY("save_task"), save_task, 0);
1202 WebcitAddUrlHandler(HKEY("display_edit_event"), display_edit_event, 0);
1203 WebcitAddUrlHandler(HKEY("save_event"), save_event, 0);
1204 WebcitAddUrlHandler(HKEY("respond_to_request"), respond_to_request, 0);
1205 WebcitAddUrlHandler(HKEY("handle_rsvp"), handle_rsvp, 0);