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 */
60 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, DATEFMT_FULL);
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, DATEFMT_FULL);
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 (icalcomponent_get_first_property(cal, ICAL_RRULE_PROPERTY)) {
157 /* Unusual string syntax used here in order to re-use existing translations */
158 StrBufAppendPrintf(Target, "<dt>%s:</dt><dd>%s.</dd>\n",
160 _("This is a recurring event")
164 /* If the component has attendees, iterate through them. */
165 for (p = icalcomponent_get_first_property(cal, ICAL_ATTENDEE_PROPERTY);
167 p = icalcomponent_get_next_property(cal, ICAL_ATTENDEE_PROPERTY)) {
168 StrBufAppendPrintf(Target, "<dt>");
169 StrBufAppendPrintf(Target, _("Attendee:"));
170 StrBufAppendPrintf(Target, "</dt><dd>");
171 safestrncpy(buf, icalproperty_get_attendee(p), sizeof buf);
172 if (!strncasecmp(buf, "MAILTO:", 7)) {
174 /** screen name or email address */
175 strcpy(buf, &buf[7]);
177 StrEscAppend(Target, NULL, buf, 0, 0);
178 StrBufAppendPrintf(Target, " ");
180 /** participant status */
181 partstat_as_string(buf, p);
182 StrEscAppend(Target, NULL, buf, 0, 0);
184 StrBufAppendPrintf(Target, "</dd>\n");
187 /* If the component has subcomponents, recurse through them. */
188 for (c = icalcomponent_get_first_component(cal, ICAL_ANY_COMPONENT);
190 c = icalcomponent_get_next_component(cal, ICAL_ANY_COMPONENT)) {
191 /* Recursively process subcomponent */
192 cal_process_object(Target, c, recursion_level+1, msgnum, cal_partnum);
195 /* If this is a REQUEST, display conflicts and buttons */
196 if (the_method == ICAL_METHOD_REQUEST) {
198 /* Check for conflicts */
199 lprintf(9, "Checking server calendar for conflicts...\n");
200 serv_printf("ICAL conflicts|%ld|%s|", msgnum, cal_partnum);
201 serv_getln(buf, sizeof buf);
203 while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
204 extract_token(conflict_name, buf, 3, '|', sizeof conflict_name);
205 is_update = extract_int(buf, 4);
208 snprintf(conflict_message, sizeof conflict_message,
209 _("This is an update of '%s' which is already in your calendar."), conflict_name);
212 snprintf(conflict_message, sizeof conflict_message,
213 _("This event would conflict with '%s' which is already in your calendar."), conflict_name);
216 StrBufAppendPrintf(Target, "<dt>%s",
222 StrBufAppendPrintf(Target, "</dt><dd>");
223 StrEscAppend(Target, NULL, conflict_message, 0, 0);
224 StrBufAppendPrintf(Target, "</dd>\n");
227 lprintf(9, "...done.\n");
229 StrBufAppendPrintf(Target, "</dl>");
231 /* Display the Accept/Decline buttons */
232 StrBufAppendPrintf(Target, "<p id=\"%s_question\">"
234 " <span class=\"button_link\"> "
235 "<a href=\"javascript:RespondToInvitation('%s_question','%s_title','%ld','%s','Accept');\">%s</a>"
236 "</span> <span class=\"button_link\">"
237 "<a href=\"javascript:RespondToInvitation('%s_question','%s_title','%ld','%s','Tentative');\">%s</a>"
238 "</span> <span class=\"button_link\">"
239 "<a href=\"javascript:RespondToInvitation('%s_question','%s_title','%ld','%s','Decline');\">%s</a>"
242 _("How would you like to respond to this invitation?"),
243 divname, divname, msgnum, cal_partnum, _("Accept"),
244 divname, divname, msgnum, cal_partnum, _("Tentative"),
245 divname, divname, msgnum, cal_partnum, _("Decline")
250 /* If this is a REPLY, display update button */
251 if (the_method == ICAL_METHOD_REPLY) {
253 /* Display the update buttons */
254 StrBufAppendPrintf(Target, "<p id=\"%s_question\" >"
256 " <span class=\"button_link\"> "
257 "<a href=\"javascript:HandleRSVP('%s_question','%s_title','%ld','%s','Update');\">%s</a>"
258 "</span> <span class=\"button_link\">"
259 "<a href=\"javascript:HandleRSVP('%s_question','%s_title','%ld','%s','Ignore');\">%s</a>"
262 _("Click <i>Update</i> to accept this reply and update your calendar."),
263 divname, divname, msgnum, cal_partnum, _("Update"),
264 divname, divname, msgnum, cal_partnum, _("Ignore")
269 /* Trailing HTML for the display of this object */
270 if (recursion_level == 0) {
271 StrBufAppendPrintf(Target, "<p> </p></div>\n");
277 * Deserialize a calendar object in a message so it can be displayed.
279 void cal_process_attachment(wc_mime_attachment *Mime)
283 cal = icalcomponent_new_from_string(ChrPtr(Mime->Data));
284 FlushStrBuf(Mime->Data);
286 StrBufAppendPrintf(Mime->Data, _("There was an error parsing this calendar item."));
287 StrBufAppendPrintf(Mime->Data, "<br />\n");
291 cal_process_object(Mime->Data, cal, 0, Mime->msgnum, ChrPtr(Mime->PartNum));
293 /* Free the memory we obtained from libical's constructor */
294 icalcomponent_free(cal);
301 * Respond to a meeting request - accept/decline meeting
303 void respond_to_request(void)
307 begin_ajax_response();
309 serv_printf("ICAL respond|%s|%s|%s|",
314 serv_getln(buf, sizeof buf);
317 wprintf("<img src=\"static/calarea_48x.gif\"><span>");
318 if (!strcasecmp(bstr("sc"), "accept")) {
319 wprintf(_("You have accepted this meeting invitation. "
320 "It has been entered into your calendar.")
322 } else if (!strcasecmp(bstr("sc"), "tentative")) {
323 wprintf(_("You have tentatively accepted this meeting invitation. "
324 "It has been 'pencilled in' to your calendar.")
326 } else if (!strcasecmp(bstr("sc"), "decline")) {
327 wprintf(_("You have declined this meeting invitation. "
328 "It has <b>not</b> been entered into your calendar.")
332 wprintf(_("A reply has been sent to the meeting organizer."));
335 wprintf("<img align=\"center\" src=\"static/error.gif\"><span>");
336 wprintf("%s\n", &buf[4]);
346 * Handle an incoming RSVP
348 void handle_rsvp(void)
352 begin_ajax_response();
354 serv_printf("ICAL handle_rsvp|%s|%s|%s|",
359 serv_getln(buf, sizeof buf);
362 wprintf("<img src=\"static/calarea_48x.gif\"><span>");
363 if (!strcasecmp(bstr("sc"), "update")) {
364 wprintf(_("Your calendar has been updated to reflect this RSVP."));
365 } else if (!strcasecmp(bstr("sc"), "ignore")) {
366 wprintf(_("You have chosen to ignore this RSVP. "
367 "Your calendar has <b>not</b> been updated.")
372 wprintf("<img src=\"static/error.gif\"><span> %s\n", &buf[4]);
383 * free memory allocated using libical
385 void delete_cal(void *vCal)
387 disp_cal *Cal = (disp_cal*) vCal;
388 icalcomponent_free(Cal->cal);
394 * This is the meat-and-bones of the first part of our two-phase calendar display.
395 * As we encounter calendar items in messages being read from the server, we break out
396 * any iCalendar objects and store them in a hash table. Later on, the second phase will
397 * use this hash table to render the calendar for display.
399 void display_individual_cal(icalcomponent *cal, long msgnum, char *from, int unread, struct calview *calv)
401 icalproperty *ps = NULL;
402 struct icaltimetype dtstart, dtend;
403 struct icaldurationtype dur;
407 time_t final_recurrence = 0;
408 icalcomponent *cptr = NULL;
410 /* recur variables */
411 icalproperty *rrule = NULL;
412 struct icalrecurrencetype recur;
413 icalrecur_iterator *ritr = NULL;
414 struct icaltimetype next;
418 dtstart = icaltime_null_time();
419 dtend = icaltime_null_time();
421 if (WCC->disp_cal_items == NULL)
422 WCC->disp_cal_items = NewHash(0, Flathash);
424 /* Note: anything we do here, we also have to do below for the recurrences. */
425 Cal = (disp_cal*) malloc(sizeof(disp_cal));
426 memset(Cal, 0, sizeof(disp_cal));
427 Cal->cal = icalcomponent_new_clone(cal);
429 /* Dezonify and decapsulate at the very last moment */
430 /* lprintf(9, "INITIAL: %s\n", icaltime_as_ical_string(icalproperty_get_dtstart(
431 icalcomponent_get_first_property(icalcomponent_get_first_component(
432 Cal->cal, ICAL_VEVENT_COMPONENT), ICAL_DTSTART_PROPERTY)))
434 ical_dezonify(Cal->cal);
435 if (icalcomponent_isa(Cal->cal) != ICAL_VEVENT_COMPONENT) {
436 cptr = icalcomponent_get_first_component(Cal->cal, ICAL_VEVENT_COMPONENT);
438 cptr = icalcomponent_new_clone(cptr);
439 icalcomponent_free(Cal->cal);
444 Cal->unread = unread;
446 Cal->from = (char*)malloc(len+ 1);
447 memcpy(Cal->from, from, len + 1);
448 Cal->cal_msgnum = msgnum;
450 /* Precalculate the starting date and time of this event, and store it in our top-level
451 * structure. Later, when we are rendering the calendar, we can just peek at these values
452 * without having to break apart every calendar item.
454 ps = icalcomponent_get_first_property(Cal->cal, ICAL_DTSTART_PROPERTY);
456 dtstart = icalproperty_get_dtstart(ps);
457 Cal->event_start = icaltime_as_timet(dtstart);
460 /* Do the same for the ending date and time. It makes the day view much easier to render. */
461 ps = icalcomponent_get_first_property(Cal->cal, ICAL_DTEND_PROPERTY);
463 dtend = icalproperty_get_dtend(ps);
464 Cal->event_end = icaltime_as_timet(dtend);
467 /* Store it in the hash list. */
468 Put(WCC->disp_cal_items,
469 (char*) &Cal->event_start,
470 sizeof(Cal->event_start),
474 /****************************** handle recurring events ******************************/
476 if (icaltime_is_null_time(dtstart)) return; /* Can't recur without a start time */
478 if (!icaltime_is_null_time(dtend)) { /* Need duration for recurrences */
479 dur = icaltime_subtract(dtend, dtstart);
483 * Just let libical iterate the recurrence, and keep looping back to the top of this function,
484 * adding new hash entries that all point back to the same msgnum, until either the iteration
485 * stops or some outer bound is reached. The display code will automatically do the Right Thing.
488 if (icalcomponent_isa(cptr) != ICAL_VEVENT_COMPONENT) {
489 cptr = icalcomponent_get_first_component(cptr, ICAL_VEVENT_COMPONENT);
492 ps = icalcomponent_get_first_property(cptr, ICAL_DTSTART_PROPERTY);
493 if (ps == NULL) return;
494 dtstart = icalproperty_get_dtstart(ps);
495 rrule = icalcomponent_get_first_property(cptr, ICAL_RRULE_PROPERTY);
497 recur = icalproperty_get_rrule(rrule);
498 ritr = icalrecur_iterator_new(recur, dtstart);
501 while (next = icalrecur_iterator_next(ritr), ((!icaltime_is_null_time(next))&&(!stop_rr)) ) {
503 if (num_recur > 1) { /* Skip the first one. We already did it at the root. */
505 /* lprintf(9, "REPEATS: %s\n", icaltime_as_ical_string(next)); */
507 /* Note: anything we do here, we also have to do above for the root event. */
508 Cal = (disp_cal*) malloc(sizeof(disp_cal));
509 memset(Cal, 0, sizeof(disp_cal));
510 Cal->cal = icalcomponent_new_clone(cal);
511 Cal->unread = unread;
513 Cal->from = (char*)malloc(len+ 1);
514 memcpy(Cal->from, from, len + 1);
515 Cal->cal_msgnum = msgnum;
517 if (icalcomponent_isa(Cal->cal) == ICAL_VEVENT_COMPONENT) {
521 cptr = icalcomponent_get_first_component(Cal->cal, ICAL_VEVENT_COMPONENT);
524 ps = icalcomponent_get_first_property(cptr, ICAL_DTSTART_PROPERTY);
526 icalcomponent_remove_property(cptr, ps);
527 ps = icalproperty_new_dtstart(next);
528 icalcomponent_add_property(cptr, ps);
530 Cal->event_start = icaltime_as_timet(next);
531 final_recurrence = Cal->event_start;
534 ps = icalcomponent_get_first_property(cptr, ICAL_DTEND_PROPERTY);
536 icalcomponent_remove_property(cptr, ps);
538 /* Make a new dtend */
539 ps = icalproperty_new_dtend(icaltime_add(next, dur));
541 /* and stick it somewhere */
542 icalcomponent_add_property(cptr, ps);
547 /* Dezonify and decapsulate at the very last moment */
548 ical_dezonify(Cal->cal);
549 if (icalcomponent_isa(Cal->cal) != ICAL_VEVENT_COMPONENT) {
550 cptr = icalcomponent_get_first_component(Cal->cal, ICAL_VEVENT_COMPONENT);
552 cptr = icalcomponent_new_clone(cptr);
553 icalcomponent_free(Cal->cal);
558 if ( (Cal->event_start > calv->lower_bound)
559 && (Cal->event_start < calv->upper_bound) ) {
560 Put(WCC->disp_cal_items,
561 (char*) &Cal->event_start,
562 sizeof(Cal->event_start),
571 /* If an upper bound is set, stop when we go out of scope */
572 if (final_recurrence > calv->upper_bound) stop_rr = 1;
575 icalrecur_iterator_free(ritr);
576 /* lprintf(9, "Performed %d recurrences; final one is %s", num_recur, ctime(&final_recurrence)); */
583 * Display a task by itself (for editing)
585 void display_edit_individual_task(icalcomponent *supplied_vtodo, long msgnum, char *from,
586 int unread, struct calview *calv)
588 icalcomponent *vtodo;
590 struct icaltimetype IcalTime;
592 int created_new_vtodo = 0;
593 icalproperty_status todoStatus;
597 if (supplied_vtodo != NULL) {
598 vtodo = supplied_vtodo;
601 * It's safe to convert to UTC here because there are no recurrences to worry about.
603 ical_dezonify(vtodo);
606 * If we're looking at a fully encapsulated VCALENDAR
607 * rather than a VTODO component, attempt to use the first
608 * relevant VTODO subcomponent. If there is none, the
609 * NULL returned by icalcomponent_get_first_component() will
610 * tell the next iteration of this function to create a
613 if (icalcomponent_isa(vtodo) == ICAL_VCALENDAR_COMPONENT) {
614 display_edit_individual_task(
615 icalcomponent_get_first_component(
616 vtodo, ICAL_VTODO_COMPONENT
618 msgnum, from, unread, calv
624 vtodo = icalcomponent_new(ICAL_VTODO_COMPONENT);
625 created_new_vtodo = 1;
628 /* TODO: Can we take all this and move it into a template? */
629 output_headers(1, 1, 1, 0, 0, 0);
630 wprintf("<!-- start task edit form -->");
631 p = icalcomponent_get_first_property(vtodo, ICAL_SUMMARY_PROPERTY);
632 /* Get summary early for title */
633 wprintf("<div class=\"box\">\n");
634 wprintf("<div class=\"boxlabel\">");
635 wprintf(_("Edit task"));
638 escputs((char *)icalproperty_get_comment(p));
642 wprintf("<div class=\"boxcontent\">\n");
643 wprintf("<FORM METHOD=\"POST\" action=\"save_task\">\n");
644 wprintf("<div style=\"display: none;\">\n ");
645 wprintf("<input type=\"hidden\" name=\"nonce\" value=\"%d\">\n", WC->nonce);
646 wprintf("<INPUT TYPE=\"hidden\" NAME=\"msgnum\" VALUE=\"%ld\">\n", msgnum);
647 wprintf("<INPUT TYPE=\"hidden\" NAME=\"return_to_summary\" VALUE=\"%d\">\n",
648 ibstr("return_to_summary"));
650 wprintf("<table class=\"calendar_background\"><tr><td>");
651 wprintf("<TABLE STYLE=\"border: none;\">\n");
654 wprintf(_("Summary:"));
656 "<INPUT TYPE=\"text\" NAME=\"summary\" "
657 "MAXLENGTH=\"64\" SIZE=\"64\" VALUE=\"");
658 p = icalcomponent_get_first_property(vtodo, ICAL_SUMMARY_PROPERTY);
660 escputs((char *)icalproperty_get_comment(p));
662 wprintf("\"></TD></TR>\n");
665 wprintf(_("Start date:"));
666 wprintf("</TD><TD>");
667 p = icalcomponent_get_first_property(vtodo, ICAL_DTSTART_PROPERTY);
668 wprintf("<INPUT TYPE=\"CHECKBOX\" NAME=\"nodtstart\" ID=\"nodtstart\" VALUE=\"NODTSTART\" ");
670 wprintf("CHECKED=\"CHECKED\"");
673 wprintf(_("No date"));
676 wprintf("<span ID=\"dtstart_date\">");
680 IcalTime = icalproperty_get_dtstart(p);
683 IcalTime = icaltime_current_time_with_zone(get_default_icaltimezone());
684 display_icaltimetype_as_webform(&IcalTime, "dtstart", 0);
686 wprintf("<INPUT TYPE=\"CHECKBOX\" NAME=\"dtstart_time_assoc\" ID=\"dtstart_time_assoc\" VALUE=\"yes\"");
687 if (!IcalTime.is_date) {
688 wprintf("CHECKED=\"CHECKED\"");
691 wprintf(_("Time associated"));
692 wprintf("</span></TD></TR>\n");
695 wprintf(_("Due date:"));
696 wprintf("</TD><TD>");
697 p = icalcomponent_get_first_property(vtodo, ICAL_DUE_PROPERTY);
698 wprintf("<INPUT TYPE=\"CHECKBOX\" NAME=\"nodue\" ID=\"nodue\" VALUE=\"NODUE\"");
700 wprintf("CHECKED=\"CHECKED\"");
703 wprintf(_("No date"));
705 wprintf("<span ID=\"due_date\">\n");
709 IcalTime = icalproperty_get_due(p);
712 IcalTime = icaltime_current_time_with_zone(get_default_icaltimezone());
713 display_icaltimetype_as_webform(&IcalTime, "due", 0);
715 wprintf("<INPUT TYPE=\"CHECKBOX\" NAME=\"due_time_assoc\" ID=\"due_time_assoc\" VALUE=\"yes\"");
716 if (!IcalTime.is_date) {
717 wprintf("CHECKED=\"CHECKED\"");
720 wprintf(_("Time associated"));
721 wprintf("</span></TD></TR>\n");
722 todoStatus = icalcomponent_get_status(vtodo);
723 wprintf("<TR><TD>\n");
724 wprintf(_("Completed:"));
725 wprintf("</TD><TD>");
726 wprintf("<INPUT TYPE=\"CHECKBOX\" NAME=\"status\" VALUE=\"COMPLETED\"");
727 if (todoStatus == ICAL_STATUS_COMPLETED) {
728 wprintf(" CHECKED=\"CHECKED\"");
731 wprintf("</TD></TR>");
732 /* start category field */
733 p = icalcomponent_get_first_property(vtodo, ICAL_CATEGORIES_PROPERTY);
735 wprintf(_("Category:"));
736 wprintf("</TD><TD>");
737 wprintf("<INPUT TYPE=\"text\" NAME=\"category\" MAXLENGTH=\"32\" SIZE=\"32\" VALUE=\"");
739 escputs((char *)icalproperty_get_categories(p));
742 wprintf("</TD></TR>\n ");
743 /* end category field */
745 wprintf(_("Description:"));
746 wprintf("</TD><TD>");
747 wprintf("<TEXTAREA NAME=\"description\" "
748 "ROWS=\"10\" COLS=\"80\">\n"
750 p = icalcomponent_get_first_property(vtodo, ICAL_DESCRIPTION_PROPERTY);
752 escputs((char *)icalproperty_get_comment(p));
754 wprintf("</TEXTAREA></TD></TR></TABLE>\n");
756 wprintf("<SPAN STYLE=\"text-align: center;\">"
757 "<INPUT TYPE=\"submit\" NAME=\"save_button\" VALUE=\"%s\">"
759 "<INPUT TYPE=\"submit\" NAME=\"delete_button\" VALUE=\"%s\">\n"
761 "<INPUT TYPE=\"submit\" NAME=\"cancel_button\" VALUE=\"%s\">\n"
767 wprintf("</td></tr></table>");
768 wprintf("</FORM>\n");
769 wprintf("</div></div></div>\n");
770 wprintf("<!-- end task edit form -->");
773 if (created_new_vtodo) {
774 icalcomponent_free(vtodo);
779 * Save an edited task
781 * supplied_vtodo the task to save
782 * msgnum number of the mesage in our db
784 void save_individual_task(icalcomponent *supplied_vtodo, long msgnum, char* from, int unread,
785 struct calview *calv)
788 int delete_existing = 0;
790 icalcomponent *vtodo, *encaps;
791 int created_new_vtodo = 0;
794 struct icaltimetype t;
796 if (supplied_vtodo != NULL) {
797 vtodo = supplied_vtodo;
799 * If we're looking at a fully encapsulated VCALENDAR
800 * rather than a VTODO component, attempt to use the first
801 * relevant VTODO subcomponent. If there is none, the
802 * NULL returned by icalcomponent_get_first_component() will
803 * tell the next iteration of this function to create a
806 if (icalcomponent_isa(vtodo) == ICAL_VCALENDAR_COMPONENT) {
807 save_individual_task(
808 icalcomponent_get_first_component(
809 vtodo, ICAL_VTODO_COMPONENT),
810 msgnum, from, unread, calv
816 vtodo = icalcomponent_new(ICAL_VTODO_COMPONENT);
817 created_new_vtodo = 1;
820 if (havebstr("save_button")) {
822 /** Replace values in the component with ones from the form */
824 while (prop = icalcomponent_get_first_property(vtodo,
825 ICAL_SUMMARY_PROPERTY), prop != NULL) {
826 icalcomponent_remove_property(vtodo, prop);
827 icalproperty_free(prop);
829 if (havebstr("summary")) {
831 icalcomponent_add_property(vtodo,
832 icalproperty_new_summary(bstr("summary")));
834 icalcomponent_add_property(vtodo,
835 icalproperty_new_summary(_("Untitled Task")));
838 while (prop = icalcomponent_get_first_property(vtodo,
839 ICAL_DESCRIPTION_PROPERTY), prop != NULL) {
840 icalcomponent_remove_property(vtodo, prop);
841 icalproperty_free(prop);
843 if (havebstr("description")) {
844 icalcomponent_add_property(vtodo,
845 icalproperty_new_description(bstr("description")));
848 while (prop = icalcomponent_get_first_property(vtodo,
849 ICAL_DTSTART_PROPERTY), prop != NULL) {
850 icalcomponent_remove_property(vtodo, prop);
851 icalproperty_free(prop);
853 if (IsEmptyStr(bstr("nodtstart"))) {
854 if (yesbstr("dtstart_time")) {
855 icaltime_from_webform(&t, "dtstart");
858 icaltime_from_webform_dateonly(&t, "dtstart");
860 icalcomponent_add_property(vtodo,
861 icalproperty_new_dtstart(t)
864 while(prop = icalcomponent_get_first_property(vtodo,
865 ICAL_STATUS_PROPERTY), prop != NULL) {
866 icalcomponent_remove_property(vtodo,prop);
867 icalproperty_free(prop);
869 while(prop = icalcomponent_get_first_property(vtodo,
870 ICAL_PERCENTCOMPLETE_PROPERTY), prop != NULL) {
871 icalcomponent_remove_property(vtodo,prop);
872 icalproperty_free(prop);
875 if (havebstr("status")) {
876 icalproperty_status taskStatus = icalproperty_string_to_status(bstr("status"));
877 icalcomponent_set_status(vtodo, taskStatus);
878 icalcomponent_add_property(vtodo,
879 icalproperty_new_percentcomplete(
880 (strcasecmp(bstr("status"), "completed") ? 0 : 100)
885 icalcomponent_add_property(vtodo, icalproperty_new_percentcomplete(0));
887 while (prop = icalcomponent_get_first_property(vtodo,
888 ICAL_CATEGORIES_PROPERTY), prop != NULL) {
889 icalcomponent_remove_property(vtodo,prop);
890 icalproperty_free(prop);
892 if (!IsEmptyStr(bstr("category"))) {
893 prop = icalproperty_new_categories(bstr("category"));
894 icalcomponent_add_property(vtodo,prop);
896 while (prop = icalcomponent_get_first_property(vtodo,
897 ICAL_DUE_PROPERTY), prop != NULL) {
898 icalcomponent_remove_property(vtodo, prop);
899 icalproperty_free(prop);
901 if (IsEmptyStr(bstr("nodue"))) {
902 if (yesbstr("due_time")) {
903 icaltime_from_webform(&t, "due");
906 icaltime_from_webform_dateonly(&t, "due");
908 icalcomponent_add_property(vtodo,
909 icalproperty_new_due(t)
912 /** Give this task a UID if it doesn't have one. */
913 lprintf(9, "Give this task a UID if it doesn't have one.\n");
914 if (icalcomponent_get_first_property(vtodo,
915 ICAL_UID_PROPERTY) == NULL) {
917 icalcomponent_add_property(vtodo,
918 icalproperty_new_uid(buf)
922 /* Increment the sequence ID */
923 lprintf(9, "Increment the sequence ID\n");
924 while (prop = icalcomponent_get_first_property(vtodo,
925 ICAL_SEQUENCE_PROPERTY), (prop != NULL) ) {
926 i = icalproperty_get_sequence(prop);
927 lprintf(9, "Sequence was %d\n", i);
928 if (i > sequence) sequence = i;
929 icalcomponent_remove_property(vtodo, prop);
930 icalproperty_free(prop);
933 lprintf(9, "New sequence is %d. Adding...\n", sequence);
934 icalcomponent_add_property(vtodo,
935 icalproperty_new_sequence(sequence)
939 * Encapsulate event into full VCALENDAR component. Clone it first,
940 * for two reasons: one, it's easier to just free the whole thing
941 * when we're done instead of unbundling, but more importantly, we
942 * can't encapsulate something that may already be encapsulated
945 lprintf(9, "Encapsulating into a full VCALENDAR component\n");
946 encaps = ical_encapsulate_subcomponent(icalcomponent_new_clone(vtodo));
948 /* Serialize it and save it to the message base */
949 serv_puts("ENT0 1|||4");
950 serv_getln(buf, sizeof buf);
952 serv_puts("Content-type: text/calendar");
954 serv_puts(icalcomponent_as_ical_string(encaps));
958 * Probably not necessary; the server will see the UID
959 * of the object and delete the old one anyway, but
964 icalcomponent_free(encaps);
968 * If the user clicked 'Delete' then explicitly delete the message.
970 if (havebstr("delete_button")) {
974 if ( (delete_existing) && (msgnum > 0L) ) {
975 serv_printf("DELE %ld", lbstr("msgnum"));
976 serv_getln(buf, sizeof buf);
979 if (created_new_vtodo) {
980 icalcomponent_free(vtodo);
983 /* Go back to wherever we came from */
984 if (ibstr("return_to_summary") == 1) {
995 * Code common to all icalendar display handlers. Given a message number and a MIME
996 * type, we load the message and hunt for that MIME type. If found, we load
997 * the relevant part, deserialize it into a libical component, filter it for
998 * the requested object type, and feed it to the specified handler.
1000 void load_ical_object(long msgnum, int unread,
1001 icalcomponent_kind which_kind,
1002 void (*callback)(icalcomponent *, long, char*, int, struct calview *),
1003 struct calview *calv
1010 char from[128] = "";
1011 char mime_partnum[256];
1012 char mime_filename[256];
1013 char mime_content_type[256];
1014 char mime_disposition[256];
1016 char relevant_partnum[256];
1017 char *relevant_source = NULL;
1018 icalcomponent *cal, *c;
1019 int phase = 0; /* 0 = citadel headers, 1 = mime headers, 2 = body */
1020 char msg4_content_type[256] = "";
1021 char msg4_content_encoding[256] = "";
1022 int msg4_content_length = 0;
1025 relevant_partnum[0] = '\0';
1026 sprintf(buf, "MSG4 %ld", msgnum); /* we need the mime headers */
1028 serv_getln(buf, sizeof buf);
1029 if (buf[0] != '1') return;
1032 while (BufLen = StrBuf_ServGetlnBuffered(Buf), strcmp(ChrPtr(Buf), "000")) {
1034 if ((phase == 0) && (!strncasecmp(bptr, "part=", 5))) {
1035 extract_token(mime_filename, &bptr[5], 1, '|', sizeof mime_filename);
1036 extract_token(mime_partnum, &bptr[5], 2, '|', sizeof mime_partnum);
1037 extract_token(mime_disposition, &bptr[5], 3, '|', sizeof mime_disposition);
1038 extract_token(mime_content_type, &bptr[5], 4, '|', sizeof mime_content_type);
1039 mime_length = extract_int(&bptr[5], 5);
1041 if ( (!strcasecmp(mime_content_type, "text/calendar"))
1042 || (!strcasecmp(mime_content_type, "application/ics"))
1043 || (!strcasecmp(mime_content_type, "text/vtodo"))
1045 strcpy(relevant_partnum, mime_partnum);
1048 else if ((phase == 0) && (!strncasecmp(bptr, "from=", 4))) {
1049 extract_token(from, bptr, 1, '=', sizeof(from));
1051 else if ((phase == 0) && (!strncasecmp(bptr, "text", 4))) {
1054 else if ((phase == 1) && (IsEmptyStr(bptr))) {
1058 (msg4_content_length > 0)
1059 && (!strcasecmp(msg4_content_encoding, "7bit"))
1060 && ( (!strcasecmp(mime_content_type, "text/calendar"))
1061 || (!strcasecmp(mime_content_type, "application/ics"))
1062 || (!strcasecmp(mime_content_type, "text/vtodo"))
1065 if (relevant_source != NULL) free(relevant_source);
1066 relevant_source = malloc(msg4_content_length);
1067 relevant_source[0] = 0;
1072 else if ((phase == 1) && (!strncasecmp(bptr, "Content-type: ", 14))) {
1073 safestrncpy(msg4_content_type, &bptr[14], sizeof msg4_content_type);
1074 striplt(msg4_content_type);
1076 else if ((phase == 1) && (!strncasecmp(bptr, "Content-transfer-encoding: ", 27))) {
1077 safestrncpy(msg4_content_encoding, &bptr[27], sizeof msg4_content_encoding);
1078 striplt(msg4_content_type);
1080 else if ((phase == 1) && (!strncasecmp(bptr, "Content-length: ", 16))) {
1081 msg4_content_length = atoi(&bptr[16]);
1083 else if (relevant_source != NULL) {
1084 safestrncpy(&relevant_source[body_bytes], bptr, msg4_content_length-body_bytes);
1085 safestrncpy(&relevant_source[body_bytes], "\r\n", msg4_content_length-body_bytes);
1086 body_bytes += (StrLength(Buf) + 2);
1091 /* If MSG4 didn't give us the part we wanted, but we know that we can find it
1092 * as one of the other MIME parts, attempt to load it now.
1094 if ((relevant_source == NULL) && (!IsEmptyStr(relevant_partnum))) {
1095 relevant_source = load_mimepart(msgnum, relevant_partnum);
1098 if (relevant_source != NULL) {
1099 cal = icalcomponent_new_from_string(relevant_source);
1102 /* A which_kind of (-1) means just load the whole thing */
1103 if (which_kind == (-1)) {
1104 callback(cal, msgnum, from, unread, calv);
1107 /* Otherwise recurse and hunt */
1110 /* Simple components of desired type */
1111 if (icalcomponent_isa(cal) == which_kind) {
1112 callback(cal, msgnum, from, unread, calv);
1115 /* Subcomponents of desired type */
1116 for (c = icalcomponent_get_first_component(cal, which_kind);
1118 c = icalcomponent_get_next_component(cal, which_kind)) {
1119 callback(c, msgnum, from, unread, calv);
1124 icalcomponent_free(cal);
1126 free(relevant_source);
1129 icalmemory_free_ring();
1133 * Display a calendar item
1135 void load_calendar_item(message_summary *Msg, int unread, struct calview *c) {
1136 load_ical_object(Msg->msgnum, unread, (-1), display_individual_cal, c);
1142 void display_task(message_summary *Msg, int unread) {
1143 load_ical_object(Msg->msgnum, unread, ICAL_VTODO_COMPONENT, display_individual_cal, NULL);
1147 * Display the editor component for a task
1149 void display_edit_task(void) {
1152 /* Force change the room if we have to */
1153 if (havebstr("taskrm")) {
1154 gotoroom(sbstr("taskrm"));
1157 msgnum = lbstr("msgnum");
1160 load_ical_object(msgnum, 0,
1161 ICAL_VTODO_COMPONENT,
1162 display_edit_individual_task,
1168 display_edit_individual_task(NULL, 0L, "", 0, NULL);
1173 * save an edited task
1175 void save_task(void) {
1177 msgnum = lbstr("msgnum");
1179 load_ical_object(msgnum, 0, ICAL_VTODO_COMPONENT, save_individual_task, NULL);
1182 save_individual_task(NULL, 0L, "", 0, NULL);
1187 * display the editor component for an event
1189 void display_edit_event(void) {
1192 msgnum = lbstr("msgnum");
1194 /* existing event */
1195 load_ical_object(msgnum, 0, ICAL_VEVENT_COMPONENT, display_edit_individual_event, NULL);
1199 display_edit_individual_event(NULL, 0L, "", 0, NULL);
1204 * save an edited event
1206 void save_event(void) {
1209 msgnum = lbstr("msgnum");
1212 load_ical_object(msgnum, 0, (-1), save_individual_event, NULL);
1215 save_individual_event(NULL, 0L, "", 0, NULL);
1224 * Anonymous request of freebusy data for a user
1226 void do_freebusy(const char *req) {
1232 extract_token(who, req, 1, ' ', sizeof who);
1233 if (!strncasecmp(who, "/freebusy/", 10)) {
1234 strcpy(who, &who[10]);
1236 unescape_input(who);
1239 if ( (!strcasecmp(&who[len-4], ".vcf"))
1240 || (!strcasecmp(&who[len-4], ".ifb"))
1241 || (!strcasecmp(&who[len-4], ".vfb")) ) {
1245 lprintf(9, "freebusy requested for <%s>\n", who);
1246 serv_printf("ICAL freebusy|%s", who);
1247 serv_getln(buf, sizeof buf);
1249 if (buf[0] != '1') {
1250 hprintf("HTTP/1.1 404 %s\n", &buf[4]);
1251 output_headers(0, 0, 0, 0, 0, 0);
1252 hprintf("Content-Type: text/plain\r\n");
1253 wprintf("%s\n", &buf[4]);
1258 read_server_text(WC->WBuf, &lines);
1259 http_transmit_thing("text/calendar", 0);
1270 RegisterPreference("daystart", _("Calendar day view begins at:"), PRF_INT, NULL);
1271 RegisterPreference("dayend", _("Calendar day view ends at:"), PRF_INT, NULL);
1272 RegisterPreference("weekstart", _("Week starts on:"), PRF_INT, NULL);
1274 WebcitAddUrlHandler(HKEY("display_edit_task"), display_edit_task, 0);
1275 WebcitAddUrlHandler(HKEY("save_task"), save_task, 0);
1276 WebcitAddUrlHandler(HKEY("display_edit_event"), display_edit_event, 0);
1277 WebcitAddUrlHandler(HKEY("save_event"), save_event, 0);
1278 WebcitAddUrlHandler(HKEY("respond_to_request"), respond_to_request, 0);
1279 WebcitAddUrlHandler(HKEY("handle_rsvp"), handle_rsvp, 0);