webcit/event.c

   1 /*
   2  * $Id$
   3  *
   4  * Editing calendar events.
   5  */
   6
   7 #include "webcit.h"
   8 #include "webserver.h"
   9
  10 /*
  11  * Display an event by itself (for editing)
  12  * supplied_vevent      the event to edit
  13  * msgnum               reference on the citserver
  14  */
  15 void display_edit_individual_event(icalcomponent *supplied_vevent, long msgnum, char *from,
  16         int unread, struct calview *calv)
  17 {
  18         icalcomponent *vevent;
  19         icalproperty *p;
  20         icalvalue *v;
  21         struct icaltimetype t_start, t_end;
  22         time_t now;
  23         struct tm tm_now;
  24         int created_new_vevent = 0;
  25         icalproperty *organizer = NULL;
  26         char organizer_string[SIZ];
  27         icalproperty *attendee = NULL;
  28         char attendee_string[SIZ];
  29         char buf[SIZ];
  30         int organizer_is_me = 0;
  31         int i, j = 0;
  32         int sequence = 0;
  33         char weekday_labels[7][32];
  34         char month_labels[12][32];
  35         long weekstart = 0;
  36         icalproperty *rrule = NULL;
  37         struct icalrecurrencetype recur;
  38
  39         char *tabnames[3];
  40         tabnames[0] = _("Event");
  41         tabnames[1] = _("Attendees");
  42         tabnames[2] = _("Recurrence");
  43
  44         get_pref_long("weekstart", &weekstart, 17);
  45         if (weekstart > 6) weekstart = 0;
  46
  47         lprintf(9, "display_edit_individual_event(%ld) calview=%s year=%s month=%s day=%s\n",
  48                 msgnum, bstr("calview"), bstr("year"), bstr("month"), bstr("day")
  49         );
  50
  51         /* populate the weekday names - begin */
  52         now = time(NULL);
  53         localtime_r(&now, &tm_now);
  54         while (tm_now.tm_wday != 0) {
  55                 now -= 86400L;
  56                 localtime_r(&now, &tm_now);
  57         }
  58         for (i=0; i<7; ++i) {
  59                 localtime_r(&now, &tm_now);
  60                 wc_strftime(weekday_labels[i], 32, "%A", &tm_now);
  61                 now += 86400L;
  62         }
  63         /* populate the weekday names - end */
  64
  65         /* populate the month names - begin */
  66         now = 259200L;  /* 1970-jan-04 is the first Sunday ever */
  67         localtime_r(&now, &tm_now);
  68         for (i=0; i<12; ++i) {
  69                 localtime_r(&now, &tm_now);
  70                 wc_strftime(month_labels[i], 32, "%B", &tm_now);
  71                 now += 2678400L;
  72         }
  73         /* populate the month names - end */
  74
  75         now = time(NULL);
  76         strcpy(organizer_string, "");
  77         strcpy(attendee_string, "");
  78
  79         if (supplied_vevent != NULL) {
  80                 vevent = supplied_vevent;
  81
  82                 /* Convert all timestamps to UTC to make them easier to process. */
  83                 ical_dezonify(vevent);
  84
  85                 /*
  86                  * If we're looking at a fully encapsulated VCALENDAR
  87                  * rather than a VEVENT component, attempt to use the first
  88                  * relevant VEVENT subcomponent.  If there is none, the
  89                  * NULL returned by icalcomponent_get_first_component() will
  90                  * tell the next iteration of this function to create a
  91                  * new one.
  92                  */
  93                 if (icalcomponent_isa(vevent) == ICAL_VCALENDAR_COMPONENT) {
  94                         display_edit_individual_event(
  95                                 icalcomponent_get_first_component(
  96                                         vevent, ICAL_VEVENT_COMPONENT),
  97                                 msgnum, from, unread, NULL
  98                         );
  99                         return;
 100                 }
 101         }
 102         else {
 103                 vevent = icalcomponent_new(ICAL_VEVENT_COMPONENT);
 104                 created_new_vevent = 1;
 105         }
 106
 107         /* Learn the sequence */
 108         p = icalcomponent_get_first_property(vevent, ICAL_SEQUENCE_PROPERTY);
 109         if (p != NULL) {
 110                 sequence = icalproperty_get_sequence(p);
 111         }
 112
 113         /* Begin output */
 114         output_headers(1, 1, 2, 0, 0, 0);
 115         wprintf("<div id=\"banner\">\n");
 116         wprintf("<h1>");
 117         wprintf(_("Add or edit an event"));
 118         wprintf("</h1>");
 119         wprintf("</div>\n");
 120
 121         wprintf("<div id=\"content\" class=\"service\">\n");
 122
 123         wprintf("<div class=\"fix_scrollbar_bug\">");
 124
 125         /************************************************************
 126          * Uncomment this to see the UID in calendar events for debugging
 127         wprintf("UID == ");
 128         p = icalcomponent_get_first_property(vevent, ICAL_UID_PROPERTY);
 129         if (p != NULL) {
 130                 escputs((char *)icalproperty_get_comment(p));
 131         }
 132         wprintf("<br />\n");
 133         wprintf("SEQUENCE == %d<br />\n", sequence);
 134         *************************************************************/
 135
 136         wprintf("<form name=\"EventForm\" method=\"POST\" action=\"save_event\">\n");
 137         wprintf("<input type=\"hidden\" name=\"nonce\" value=\"%d\">\n", WC->nonce);
 138
 139         wprintf("<INPUT TYPE=\"hidden\" NAME=\"msgnum\" VALUE=\"%ld\">\n",
 140                 msgnum);
 141         wprintf("<INPUT TYPE=\"hidden\" NAME=\"calview\" VALUE=\"%s\">\n",
 142                 bstr("calview"));
 143         wprintf("<INPUT TYPE=\"hidden\" NAME=\"year\" VALUE=\"%s\">\n",
 144                 bstr("year"));
 145         wprintf("<INPUT TYPE=\"hidden\" NAME=\"month\" VALUE=\"%s\">\n",
 146                 bstr("month"));
 147         wprintf("<INPUT TYPE=\"hidden\" NAME=\"day\" VALUE=\"%s\">\n",
 148                 bstr("day"));
 149
 150
 151         tabbed_dialog(3, tabnames);
 152         begin_tab(0, 3);
 153
 154         /* Put it in a borderless table so it lines up nicely */
 155         wprintf("<TABLE border=0 width=100%%>\n");
 156
 157         wprintf("<TR><TD><B>");
 158         wprintf(_("Summary"));
 159         wprintf("</B></TD><TD>\n"
 160                 "<INPUT TYPE=\"text\" NAME=\"summary\" "
 161                 "MAXLENGTH=\"64\" SIZE=\"64\" VALUE=\"");
 162         p = icalcomponent_get_first_property(vevent, ICAL_SUMMARY_PROPERTY);
 163         if (p != NULL) {
 164                 escputs((char *)icalproperty_get_comment(p));
 165         }
 166         wprintf("\"></TD></TR>\n");
 167
 168         wprintf("<TR><TD><B>");
 169         wprintf(_("Location"));
 170         wprintf("</B></TD><TD>\n"
 171                 "<INPUT TYPE=\"text\" NAME=\"location\" "
 172                 "MAXLENGTH=\"64\" SIZE=\"64\" VALUE=\"");
 173         p = icalcomponent_get_first_property(vevent, ICAL_LOCATION_PROPERTY);
 174         if (p != NULL) {
 175                 escputs((char *)icalproperty_get_comment(p));
 176         }
 177         wprintf("\"></TD></TR>\n");
 178
 179         wprintf("<TR><TD><B>");
 180         wprintf(_("Start"));
 181         wprintf("</B></TD><TD>\n");
 182         p = icalcomponent_get_first_property(vevent, ICAL_DTSTART_PROPERTY);
 183         if (p != NULL) {
 184                 t_start = icalproperty_get_dtstart(p);
 185                 if (t_start.is_date) {
 186                         t_start.hour = 0;
 187                         t_start.minute = 0;
 188                         t_start.second = 0;
 189                 }
 190         }
 191         else {
 192                 localtime_r(&now, &tm_now);
 193                 if (havebstr("year")) {
 194                         tm_now.tm_year = ibstr("year") - 1900;
 195                         tm_now.tm_mon = ibstr("month") - 1;
 196                         tm_now.tm_mday = ibstr("day");
 197                 }
 198                 if (havebstr("hour")) {
 199                         tm_now.tm_hour = ibstr("hour");
 200                         tm_now.tm_min = ibstr("minute");
 201                         tm_now.tm_sec = 0;
 202                 }
 203                 else {
 204                         tm_now.tm_hour = 0;
 205                         tm_now.tm_min = 0;
 206                         tm_now.tm_sec = 0;
 207                 }
 208
 209                 t_start = icaltime_from_timet_with_zone(
 210                         mktime(&tm_now),
 211                         ((yesbstr("alldayevent")) ? 1 : 0),
 212                         icaltimezone_get_utc_timezone()
 213                 );
 214                 t_start.is_utc = 1;
 215
 216         }
 217         display_icaltimetype_as_webform(&t_start, "dtstart", 0);
 218
 219         wprintf("<INPUT TYPE=\"checkbox\" id=\"alldayevent\" NAME=\"alldayevent\" "
 220                 "VALUE=\"yes\" onclick=\"eventEditAllDay();\""
 221                 " %s >%s",
 222                 (t_start.is_date ? "CHECKED=\"CHECKED\"" : "" ),
 223                 _("All day event")
 224         );
 225
 226         wprintf("</TD></TR>\n");
 227
 228         /*
 229          * If this is an all-day-event, set the end time to be identical to
 230          * the start time (the hour/minute/second will be set to midnight).
 231          * Otherwise extract or create it.
 232          */
 233         wprintf("<TR><TD><B>");
 234         wprintf(_("End"));
 235         wprintf("</B></TD><TD id=\"dtendcell\">\n");
 236         if (t_start.is_date) {
 237                 t_end = t_start;
 238         }
 239         else {
 240                 p = icalcomponent_get_first_property(vevent,
 241                                                         ICAL_DTEND_PROPERTY);
 242                 if (p != NULL) {
 243                         t_end = icalproperty_get_dtend(p);
 244                 }
 245                 else {
 246                         /*
 247                          * If this is not an all-day event and there is no
 248                          * end time specified, make the default one hour
 249                          * from the start time.
 250                          */
 251                         t_end = t_start;
 252                         t_end.hour += 1;
 253                         t_end.second = 0;
 254                         t_end = icaltime_normalize(t_end);
 255                         /* t_end = icaltime_from_timet(now, 0); */
 256                 }
 257         }
 258         display_icaltimetype_as_webform(&t_end, "dtend", 0);
 259         wprintf("</TD></TR>\n");
 260
 261         wprintf("<TR><TD><B>");
 262         wprintf(_("Notes"));
 263         wprintf("</B></TD><TD>\n"
 264                 "<TEXTAREA NAME=\"description\" wrap=soft "
 265                 "ROWS=5 COLS=72 WIDTH=72>\n"
 266         );
 267         p = icalcomponent_get_first_property(vevent, ICAL_DESCRIPTION_PROPERTY);
 268         if (p != NULL) {
 269                 escputs((char *)icalproperty_get_comment(p));
 270         }
 271         wprintf("</TEXTAREA></TD></TR>");
 272
 273         /*
 274          * For a new event, the user creating the event should be the
 275          * organizer.  Set this field accordingly.
 276          */
 277         if (icalcomponent_get_first_property(vevent, ICAL_ORGANIZER_PROPERTY)
 278            == NULL) {
 279                 sprintf(organizer_string, "MAILTO:%s", WC->cs_inet_email);
 280                 icalcomponent_add_property(vevent,
 281                         icalproperty_new_organizer(organizer_string)
 282                 );
 283         }
 284
 285         /*
 286          * Determine who is the organizer of this event.
 287          * We need to determine "me" or "not me."
 288          */
 289         organizer = icalcomponent_get_first_property(vevent, ICAL_ORGANIZER_PROPERTY);
 290         if (organizer != NULL) {
 291                 strcpy(organizer_string, icalproperty_get_organizer(organizer));
 292                 if (!strncasecmp(organizer_string, "MAILTO:", 7)) {
 293                         strcpy(organizer_string, &organizer_string[7]);
 294                         striplt(organizer_string);
 295                         serv_printf("ISME %s", organizer_string);
 296                         serv_getln(buf, sizeof buf);
 297                         if (buf[0] == '2') {
 298                                 organizer_is_me = 1;
 299                         }
 300                 }
 301         }
 302
 303         wprintf("<TR><TD><B>");
 304         wprintf(_("Organizer"));
 305         wprintf("</B></TD><TD>");
 306         escputs(organizer_string);
 307         if (organizer_is_me) {
 308                 wprintf(" <FONT SIZE=-1><I>");
 309                 wprintf(_("(you are the organizer)"));
 310                 wprintf("</I></FONT>\n");
 311         }
 312
 313         /*
 314          * Transmit the organizer as a hidden field.   We don't want the user
 315          * to be able to change it, but we do want it fed back to the server,
 316          * especially if this is a new event and there is no organizer already
 317          * in the calendar object.
 318          */
 319         wprintf("<INPUT TYPE=\"hidden\" NAME=\"organizer\" VALUE=\"");
 320         escputs(organizer_string);
 321         wprintf("\">");
 322
 323         wprintf("</TD></TR>\n");
 324
 325         /* Transparency */
 326         wprintf("<TR><TD><B>");
 327         wprintf(_("Show time as:"));
 328         wprintf("</B></TD><TD>");
 329
 330         p = icalcomponent_get_first_property(vevent, ICAL_TRANSP_PROPERTY);
 331         if (p == NULL) {
 332                 /* No transparency found.  Default to opaque (busy). */
 333                 p = icalproperty_new_transp(ICAL_TRANSP_OPAQUE);
 334                 if (p != NULL) {
 335                         icalcomponent_add_property(vevent, p);
 336                 }
 337         }
 338         if (p != NULL) {
 339                 v = icalproperty_get_value(p);
 340         }
 341         else {
 342                 v = NULL;
 343         }
 344
 345         wprintf("<INPUT TYPE=\"radio\" NAME=\"transp\" VALUE=\"transparent\"");
 346         if ((v != NULL) && (icalvalue_get_transp(v) == ICAL_TRANSP_TRANSPARENT)) {
 347                 wprintf(" CHECKED");
 348         }
 349         wprintf(">");
 350         wprintf(_("Free"));
 351         wprintf("&nbsp;&nbsp;");
 352
 353         wprintf("<INPUT TYPE=\"radio\" NAME=\"transp\" VALUE=\"opaque\"");
 354         if ((v != NULL) && (icalvalue_get_transp(v) == ICAL_TRANSP_OPAQUE)) {
 355                 wprintf(" CHECKED");
 356         }
 357         wprintf(">");
 358         wprintf(_("Busy"));
 359
 360         wprintf("</TD></TR>\n");
 361
 362
 363         /* Done with properties. */
 364         wprintf("</TABLE>\n");
 365
 366         end_tab(0, 3);
 367
 368         /* Attendees tab (need to move things here) */
 369         begin_tab(1, 3);
 370         wprintf("<TABLE border=0 width=100%%>\n");      /* same table style as the event tab */
 371         wprintf("<TR><TD><B>");
 372         wprintf(_("Attendees"));
 373         wprintf("</B><br />"
 374                 "<font size=-2>");
 375         wprintf(_("(One per line)"));
 376         wprintf("</font>\n");
 377
 378         /* Pop open an address book -- begin */
 379         wprintf(
 380                 "&nbsp;<a href=\"javascript:PopOpenAddressBook('attendees_box|%s');\" "
 381                 "title=\"%s\">"
 382                 "<img align=middle border=0 width=24 height=24 src=\"static/viewcontacts_24x.gif\">"
 383                 "</a>",
 384                 _("Attendees"),
 385                 _("Contacts")
 386         );
 387         /* Pop open an address book -- end */
 388
 389         wprintf("</TD><TD>"
 390                 "<TEXTAREA %s NAME=\"attendees\" id=\"attendees_box\" wrap=soft "
 391                 "onchange=\"EnableOrDisableCheckButton();\" "
 392                 "onKeyPress=\"EnableOrDisableCheckButton();\" "
 393                 "ROWS=10 COLS=72 WIDTH=72>\n",
 394                 (organizer_is_me ? "" : "DISABLED ")
 395         );
 396         i = 0;
 397         for (attendee = icalcomponent_get_first_property(vevent, ICAL_ATTENDEE_PROPERTY);
 398             attendee != NULL;
 399             attendee = icalcomponent_get_next_property(vevent, ICAL_ATTENDEE_PROPERTY)) {
 400                 strcpy(attendee_string, icalproperty_get_attendee(attendee));
 401                 if (!strncasecmp(attendee_string, "MAILTO:", 7)) {
 402
 403                         /* screen name or email address */
 404                         strcpy(attendee_string, &attendee_string[7]);
 405                         striplt(attendee_string);
 406                         if (i++) wprintf("\n");
 407                         escputs(attendee_string);
 408                         wprintf(" ");
 409
 410                         /* participant status */
 411                         partstat_as_string(buf, attendee);
 412                         escputs(buf);
 413                 }
 414         }
 415         wprintf("</TEXTAREA></TD></TR>\n");
 416         wprintf("</TABLE>\n");
 417         end_tab(1, 3);
 418
 419         /* Recurrence tab */
 420         begin_tab(2, 3);
 421
 422         rrule = icalcomponent_get_first_property(vevent, ICAL_RRULE_PROPERTY);
 423         if (rrule) {
 424                 recur = icalproperty_get_rrule(rrule);
 425         }
 426         else {
 427                 /* blank recurrence with some sensible defaults */
 428                 memset(&recur, 0, sizeof(struct icalrecurrencetype));
 429                 recur.count = 3;
 430                 recur.until = icaltime_null_time();
 431                 recur.interval = 1;
 432                 recur.freq = ICAL_WEEKLY_RECURRENCE;
 433         }
 434
 435         wprintf("<INPUT TYPE=\"checkbox\" id=\"is_recur\" NAME=\"is_recur\" "
 436                 "VALUE=\"yes\" "
 437                 "onclick=\"RecurrenceShowHide();\""
 438                 " %s >%s",
 439                 (rrule ? "CHECKED=\"CHECKED\"" : "" ),
 440                 _("This is a recurring event")
 441         );
 442
 443         wprintf("<div id=\"rrule_div\">\n");            /* begin 'rrule_div' div */
 444
 445         wprintf("<table border=0 cellspacing=\"10\" width=100%%>\n");
 446
 447         char *frequency_units[] = {
 448                 _("seconds"),
 449                 _("minutes"),
 450                 _("hours"),
 451                 _("days"),
 452                 _("weeks"),
 453                 _("months"),
 454                 _("years"),
 455                 _("never")
 456         };
 457
 458         char *ordinals[] = {
 459                 "0",
 460                 _("first"),
 461                 _("second"),
 462                 _("third"),
 463                 _("fourth"),
 464                 _("fifth")
 465         };
 466
 467         wprintf("<tr><td><b>");
 468         wprintf(_("Recurrence rule"));
 469         wprintf("</b></td><td>");
 470
 471         if ((recur.freq < 0) || (recur.freq > 6)) recur.freq = 4;
 472         wprintf("%s ", _("Repeats every"));
 473
 474         wprintf("<input type=\"text\" name=\"interval\" maxlength=\"3\" size=\"3\" ");
 475         wprintf("value=\"%d\">&nbsp;", recur.interval);
 476
 477         wprintf("<select name=\"freq\" id=\"freq_selector\" size=\"1\" "
 478                 "onChange=\"RecurrenceShowHide();\">\n");
 479         for (i=0; i<(sizeof frequency_units / sizeof(char *)); ++i) {
 480                 wprintf("<option %s%svalue=\"%d\">%s</option>\n",
 481                         ((i == recur.freq) ? "selected " : ""),
 482                         (((i == recur.freq) || ((i>=3)&&(i<=6))) ? "" : "disabled "),
 483                         i,
 484                         frequency_units[i]
 485                 );
 486         }
 487         wprintf("</select>\n");
 488
 489         wprintf("<div id=\"weekday_selector\">");       /* begin 'weekday_selector' div */
 490         wprintf("%s<br>", _("on these weekdays:"));
 491
 492         char weekday_is_selected[7];
 493         memset(weekday_is_selected, 0, 7);
 494
 495         for (i=0; i<ICAL_BY_DAY_SIZE; ++i) {
 496                 if (recur.by_day[i] == ICAL_RECURRENCE_ARRAY_MAX) {
 497                         i = ICAL_RECURRENCE_ARRAY_MAX;                  /* all done */
 498                 }
 499                 else {
 500                         for (j=0; j<7; ++j) {
 501                                 if (icalrecurrencetype_day_day_of_week(recur.by_day[i]) == j+1) {
 502                                         weekday_is_selected[j] = 1;
 503                                 }
 504                         }
 505                 }
 506         }
 507
 508         for (j=0; j<7; ++j) {
 509                 i = ((j + (int)weekstart) % 7);
 510                 wprintf("<input type=\"checkbox\" name=\"weekday%d\" value=\"yes\"", i);
 511                 if (weekday_is_selected[i]) wprintf(" checked");
 512                 wprintf(">%s\n", weekday_labels[i]);
 513         }
 514         wprintf("</div>\n");                            /* end 'weekday_selector' div */
 515
 516
 517
 518
 519
 520         int which_rrmonthtype_is_preselected = 0;
 521         wprintf("<div id=\"monthday_selector\">");      /* begin 'monthday_selector' div */
 522
 523         wprintf("<input type=\"radio\" name=\"rrmonthtype\" id=\"rrmonthtype_mday\" "
 524                 "value=\"rrmonthtype_mday\" "
 525                 "%s onChange=\"RecurrenceShowHide();\">",
 526                 ((which_rrmonthtype_is_preselected == 0) ? "checked" : "")
 527         );
 528
 529         int rrmday = t_start.day;
 530         int rrmweekday = icaltime_day_of_week(t_start) - 1;
 531
 532         /* Figure out what week of the month we're in */
 533         icaltimetype day1 = t_start;
 534         day1.day = 1;
 535         int weekbase = icaltime_week_number(day1);
 536         int rrmweek = icaltime_week_number(t_start) - weekbase + 1;
 537
 538         /* Are we going by day of the month or week/day? */
 539
 540         if (recur.by_month_day[0] != ICAL_RECURRENCE_ARRAY_MAX) {
 541                 which_rrmonthtype_is_preselected = 0;
 542                 rrmday = recur.by_month_day[0];
 543         }
 544         else if (recur.by_day[0] != ICAL_RECURRENCE_ARRAY_MAX) {
 545                 which_rrmonthtype_is_preselected = 1;
 546                 rrmweek = icalrecurrencetype_day_position(recur.by_day[0]);
 547                 rrmweekday = icalrecurrencetype_day_day_of_week(recur.by_day[0]) - 1;
 548         }
 549
 550         wprintf(_("on day %s%d%s of the month"), "<span id=\"rrmday\">", rrmday, "</span>");
 551         wprintf("<br />\n");
 552
 553         wprintf("<input type=\"radio\" name=\"rrmonthtype\" id=\"rrmonthtype_wday\" "
 554                 "value=\"rrmonthtype_wday\" "
 555                 "%s onChange=\"RecurrenceShowHide();\">",
 556                 ((which_rrmonthtype_is_preselected == 1) ? "checked" : "")
 557         );
 558
 559         wprintf(_("on the "));
 560         wprintf("<select name=\"rrmweek\" id=\"rrmweek\" size=\"1\" "
 561                 "onChange=\"RecurrenceShowHide();\">\n");
 562         for (i=1; i<=5; ++i) {
 563                 wprintf("<option %svalue=\"%d\">%s</option>\n",
 564                         ((i==rrmweek) ? "selected " : ""),
 565                         i,
 566                         ordinals[i]
 567                 );
 568         }
 569         wprintf("</select> \n");
 570
 571         wprintf("<select name=\"rrmweekday\" id=\"rrmweekday\" size=\"1\" "
 572                 "onChange=\"RecurrenceShowHide();\">\n");
 573         for (j=0; j<7; ++j) {
 574                 i = ((j + (int)weekstart) % 7);
 575                 wprintf("<option %svalue=\"%d\">%s</option>\n",
 576                         ((i==rrmweekday) ? "selected " : ""),
 577                         i,
 578                         weekday_labels[i]
 579                 );
 580         }
 581         wprintf("</select>");
 582
 583         wprintf(" %s<br />\n", _("of the month"));
 584
 585         wprintf("</div>\n");                            /* end 'monthday_selector' div */
 586
 587
 588         int rrymweek = rrmweek;
 589         int rrymweekday = rrmweekday;
 590         int rrymonth = t_start.month;
 591         int which_rryeartype_is_preselected = 0;
 592
 593         if (
 594                 (recur.by_day[0] != ICAL_RECURRENCE_ARRAY_MAX)
 595                 && (recur.by_day[0] != 0)
 596                 && (recur.by_month[0] != ICAL_RECURRENCE_ARRAY_MAX)
 597                 && (recur.by_month[0] != 0)
 598         ) {
 599                 which_rryeartype_is_preselected = 1;
 600                 rrymweek = icalrecurrencetype_day_position(recur.by_day[0]);
 601                 rrymweekday = icalrecurrencetype_day_day_of_week(recur.by_day[0]) - 1;
 602                 rrymonth = recur.by_month[0];
 603         }
 604
 605         wprintf("<div id=\"yearday_selector\">");       /* begin 'yearday_selector' div */
 606
 607         wprintf("<input type=\"radio\" name=\"rryeartype\" id=\"rryeartype_ymday\" "
 608                 "value=\"rryeartype_ymday\" "
 609                 "%s onChange=\"RecurrenceShowHide();\">",
 610                 ((which_rryeartype_is_preselected == 0) ? "checked" : "")
 611         );
 612         wprintf(_("every "));
 613         wprintf("<span id=\"ymday\">%s</span><br />", _("year on this date"));
 614
 615         wprintf("<input type=\"radio\" name=\"rryeartype\" id=\"rryeartype_ywday\" "
 616                 "value=\"rryeartype_ywday\" "
 617                 "%s onChange=\"RecurrenceShowHide();\">",
 618                 ((which_rryeartype_is_preselected == 1) ? "checked" : "")
 619         );
 620
 621         wprintf(_("on the "));
 622         wprintf("<select name=\"rrymweek\" id=\"rrymweek\" size=\"1\" "
 623                 "onChange=\"RecurrenceShowHide();\">\n");
 624         for (i=1; i<=5; ++i) {
 625                 wprintf("<option %svalue=\"%d\">%s</option>\n",
 626                         ((i==rrymweek) ? "selected " : ""),
 627                         i,
 628                         ordinals[i]
 629                 );
 630         }
 631         wprintf("</select> \n");
 632
 633         wprintf("<select name=\"rrymweekday\" id=\"rrymweekday\" size=\"1\" "
 634                 "onChange=\"RecurrenceShowHide();\">\n");
 635         for (j=0; j<7; ++j) {
 636                 i = ((j + (int)weekstart) % 7);
 637                 wprintf("<option %svalue=\"%d\">%s</option>\n",
 638                         ((i==rrymweekday) ? "selected " : ""),
 639                         i,
 640                         weekday_labels[i]
 641                 );
 642         }
 643         wprintf("</select>");
 644
 645         wprintf(" %s ", _("of"));
 646
 647         wprintf("<select name=\"rrymonth\" id=\"rrymonth\" size=\"1\" "
 648                 "onChange=\"RecurrenceShowHide();\">\n");
 649         for (i=1; i<=12; ++i) {
 650                 wprintf("<option %svalue=\"%d\">%s</option>\n",
 651                         ((i==rrymonth) ? "selected " : ""),
 652                         i,
 653                         month_labels[i-1]
 654                 );
 655         }
 656         wprintf("</select>");
 657         wprintf("<br />\n");
 658
 659         wprintf("</div>\n");                            /* end 'yearday_selector' div */
 660
 661         wprintf("</td></tr>\n");
 662
 663
 664         int which_rrend_is_preselected = 0;
 665         if (!icaltime_is_null_time(recur.until)) which_rrend_is_preselected = 2;
 666         if (recur.count > 0) which_rrend_is_preselected = 1;
 667
 668         wprintf("<tr><td><b>");
 669         wprintf(_("Recurrence range"));
 670         wprintf("</b></td><td>\n");
 671
 672         wprintf("<input type=\"radio\" name=\"rrend\" id=\"rrend_none\" "
 673                 "value=\"rrend_none\" "
 674                 "%s onChange=\"RecurrenceShowHide();\">",
 675                 ((which_rrend_is_preselected == 0) ? "checked" : "")
 676         );
 677         wprintf("%s<br />\n", _("No ending date"));
 678
 679         wprintf("<input type=\"radio\" name=\"rrend\" id=\"rrend_count\" "
 680                 "value=\"rrend_count\" "
 681                 "%s onChange=\"RecurrenceShowHide();\">",
 682                 ((which_rrend_is_preselected == 1) ? "checked" : "")
 683         );
 684         wprintf(_("Repeat this event"));
 685         wprintf(" <input type=\"text\" name=\"rrcount\" id=\"rrcount\" maxlength=\"3\" size=\"3\" ");
 686         wprintf("value=\"%d\"> ", recur.count);
 687         wprintf(_("times"));
 688         wprintf("<br />\n");
 689
 690         wprintf("<input type=\"radio\" name=\"rrend\" id=\"rrend_until\" "
 691                 "value=\"rrend_until\" "
 692                 "%s onChange=\"RecurrenceShowHide();\">",
 693                 ((which_rrend_is_preselected == 2) ? "checked" : "")
 694         );
 695         wprintf(_("Repeat this event until "));
 696
 697         if (icaltime_is_null_time(recur.until)) {
 698                 recur.until = icaltime_add(t_start, icaldurationtype_from_int(604800));
 699         }
 700         display_icaltimetype_as_webform(&recur.until, "rruntil", 1);
 701         wprintf("<br />\n");
 702
 703         wprintf("</td></tr>\n");
 704
 705         wprintf("</table>\n");
 706         wprintf("</div>\n");                            /* end 'rrule' div */
 707
 708         end_tab(2, 3);
 709
 710         /* submit buttons (common area beneath the tabs) */
 711         begin_tab(3, 3);
 712         wprintf("<CENTER>"
 713                 "<INPUT TYPE=\"submit\" NAME=\"save_button\" VALUE=\"%s\">"
 714                 "&nbsp;&nbsp;"
 715                 "<INPUT TYPE=\"submit\" NAME=\"delete_button\" VALUE=\"%s\">\n"
 716                 "&nbsp;&nbsp;"
 717                 "<INPUT TYPE=\"submit\" id=\"check_button\" NAME=\"check_button\" VALUE=\"%s\">\n"
 718                 "&nbsp;&nbsp;"
 719                 "<INPUT TYPE=\"submit\" NAME=\"cancel_button\" VALUE=\"%s\">\n"
 720                 "</CENTER>\n",
 721                 _("Save"),
 722                 _("Delete"),
 723                 _("Check attendee availability"),
 724                 _("Cancel")
 725         );
 726         wprintf("</FORM>\n");
 727         end_tab(3, 3);
 728
 729         wprintf("</div>\n");                    /* end 'fix_scrollbar_bug' div */
 730
 731         StrBufAppendPrintf(WC->trailing_javascript,
 732                 "eventEditAllDay();             \n"
 733                 "RecurrenceShowHide();          \n"
 734                 "EnableOrDisableCheckButton();  \n"
 735         );
 736         address_book_popup();
 737         wDumpContent(1);
 738
 739         if (created_new_vevent) {
 740                 icalcomponent_free(vevent);
 741         }
 742 }
 743
 744 /*
 745  * Save an edited event
 746  *
 747  * supplied_vevent:     the event to save
 748  * msgnum:              the index on the citserver
 749  */
 750 void save_individual_event(icalcomponent *supplied_vevent, long msgnum, char *from,
 751                         int unread, struct calview *calv) {
 752         char buf[SIZ];
 753         icalproperty *prop;
 754         icalcomponent *vevent, *encaps;
 755         int created_new_vevent = 0;
 756         int all_day_event = 0;
 757         struct icaltimetype event_start, t;
 758         icalproperty *attendee = NULL;
 759         char attendee_string[SIZ];
 760         int i, j;
 761         int foundit;
 762         char form_attendees[SIZ];
 763         char organizer_string[SIZ];
 764         int sequence = 0;
 765         enum icalproperty_transp formtransp = ICAL_TRANSP_NONE;
 766
 767         if (supplied_vevent != NULL) {
 768                 vevent = supplied_vevent;
 769
 770                 /* Convert all timestamps to UTC to make them easier to process. */
 771                 ical_dezonify(vevent);
 772
 773                 /*
 774                  * If we're looking at a fully encapsulated VCALENDAR
 775                  * rather than a VEVENT component, attempt to use the first
 776                  * relevant VEVENT subcomponent.  If there is none, the
 777                  * NULL returned by icalcomponent_get_first_component() will
 778                  * tell the next iteration of this function to create a
 779                  * new one.
 780                  */
 781                 if (icalcomponent_isa(vevent) == ICAL_VCALENDAR_COMPONENT) {
 782                         save_individual_event(
 783                                 icalcomponent_get_first_component(
 784                                         vevent, ICAL_VEVENT_COMPONENT),
 785                                 msgnum, from, unread, NULL
 786                         );
 787                         return;
 788                 }
 789         }
 790         else {
 791                 vevent = icalcomponent_new(ICAL_VEVENT_COMPONENT);
 792                 created_new_vevent = 1;
 793         }
 794
 795         if ( (havebstr("save_button"))
 796            || (havebstr("check_button")) ) {
 797
 798                 /* Replace values in the component with ones from the form */
 799
 800                 while (prop = icalcomponent_get_first_property(vevent,
 801                       ICAL_SUMMARY_PROPERTY), prop != NULL) {
 802                         icalcomponent_remove_property(vevent, prop);
 803                         icalproperty_free(prop);
 804                 }
 805
 806                 if (havebstr("summary")) {
 807                         icalcomponent_add_property(vevent,
 808                                         icalproperty_new_summary(bstr("summary")));
 809                 } else {
 810                         icalcomponent_add_property(vevent,
 811                                         icalproperty_new_summary(_("Untitled Event")));
 812                 }
 813
 814                 while (prop = icalcomponent_get_first_property(vevent,
 815                                         ICAL_LOCATION_PROPERTY), prop != NULL) {
 816                         icalcomponent_remove_property(vevent, prop);
 817                         icalproperty_free(prop);
 818                 }
 819                 if (havebstr("location")) {
 820                         icalcomponent_add_property(vevent,
 821                                         icalproperty_new_location(bstr("location")));
 822                 }
 823                 while (prop = icalcomponent_get_first_property(vevent,
 824                                   ICAL_DESCRIPTION_PROPERTY), prop != NULL) {
 825                         icalcomponent_remove_property(vevent, prop);
 826                         icalproperty_free(prop);
 827                 }
 828                 if (havebstr("description")) {
 829                         icalcomponent_add_property(vevent,
 830                                 icalproperty_new_description(bstr("description")));
 831                 }
 832
 833                 while (prop = icalcomponent_get_first_property(vevent,
 834                       ICAL_DTSTART_PROPERTY), prop != NULL) {
 835                         icalcomponent_remove_property(vevent, prop);
 836                         icalproperty_free(prop);
 837                 }
 838
 839                 if (yesbstr("alldayevent")) {
 840                         all_day_event = 1;
 841                 }
 842                 else {
 843                         all_day_event = 0;
 844                 }
 845
 846                 if (all_day_event) {
 847                         icaltime_from_webform_dateonly(&event_start, "dtstart");
 848                 }
 849                 else {
 850                         icaltime_from_webform(&event_start, "dtstart");
 851                 }
 852
 853                 prop = icalproperty_new_dtstart(event_start);
 854
 855                 if (all_day_event) {
 856                         /* Force it to serialize as a date-only rather than date/time */
 857                         icalproperty_set_value(prop, icalvalue_new_date(event_start));
 858                 }
 859
 860                 if (prop) icalcomponent_add_property(vevent, prop);
 861                 else icalproperty_free(prop);
 862
 863                 while (prop = icalcomponent_get_first_property(vevent,
 864                       ICAL_DTEND_PROPERTY), prop != NULL) {
 865                         icalcomponent_remove_property(vevent, prop);
 866                         icalproperty_free(prop);
 867                 }
 868                 while (prop = icalcomponent_get_first_property(vevent,
 869                       ICAL_DURATION_PROPERTY), prop != NULL) {
 870                         icalcomponent_remove_property(vevent, prop);
 871                         icalproperty_free(prop);
 872                 }
 873
 874                 if (all_day_event == 0) {
 875                         icaltime_from_webform(&t, "dtend");
 876                         icalcomponent_add_property(vevent,
 877                                 icalproperty_new_dtend(icaltime_normalize(t)
 878                                 )
 879                         );
 880                 }
 881
 882                 /* recurrence rules -- begin */
 883
 884                 /* remove any existing rule */
 885                 while (prop = icalcomponent_get_first_property(vevent, ICAL_RRULE_PROPERTY), prop != NULL) {
 886                         icalcomponent_remove_property(vevent, prop);
 887                         icalproperty_free(prop);
 888                 }
 889
 890                 if (yesbstr("is_recur")) {
 891                         struct icalrecurrencetype recur;
 892                         icalrecurrencetype_clear(&recur);
 893
 894                         recur.interval = atoi(bstr("interval"));
 895                         recur.freq = atoi(bstr("freq"));
 896
 897                         switch(recur.freq) {
 898
 899                                 /* These can't happen; they're disabled. */
 900                                 case ICAL_SECONDLY_RECURRENCE:
 901                                         break;
 902                                 case ICAL_MINUTELY_RECURRENCE:
 903                                         break;
 904                                 case ICAL_HOURLY_RECURRENCE:
 905                                         break;
 906
 907                                 /* Daily is valid but there are no further inputs. */
 908                                 case ICAL_DAILY_RECURRENCE:
 909                                         break;
 910
 911                                 /* These are the real options. */
 912
 913                                 case ICAL_WEEKLY_RECURRENCE:
 914                                         j=0;
 915                                         for (i=0; i<7; ++i) {
 916                                                 snprintf(buf, sizeof buf, "weekday%d", i);
 917                                                 if (YESBSTR(buf)) recur.by_day[j++] =
 918                                                         icalrecurrencetype_day_day_of_week(i+1);
 919                                         }
 920                                         recur.by_day[j++] = ICAL_RECURRENCE_ARRAY_MAX;
 921                                         break;
 922
 923                                 case ICAL_MONTHLY_RECURRENCE:
 924                                         if (!strcasecmp(bstr("rrmonthtype"), "rrmonthtype_mday")) {
 925                                                 recur.by_month_day[0] = event_start.day;
 926                                                 recur.by_month_day[1] = ICAL_RECURRENCE_ARRAY_MAX;
 927                                         }
 928                                         else if (!strcasecmp(bstr("rrmonthtype"), "rrmonthtype_wday")) {
 929                                                 recur.by_day[0] = (atoi(bstr("rrmweek")) * 8)
 930                                                                 + atoi(bstr("rrmweekday")) + 1;
 931                                                 recur.by_day[1] = ICAL_RECURRENCE_ARRAY_MAX;
 932                                         }
 933                                         break;
 934
 935                                 case ICAL_YEARLY_RECURRENCE:
 936                                         if (!strcasecmp(bstr("rryeartype"), "rryeartype_ymday")) {
 937                                                 /* no further action is needed here */
 938                                         }
 939                                         else if (!strcasecmp(bstr("rryeartype"), "rryeartype_ywday")) {
 940                                                 recur.by_month[0] = atoi(bstr("rrymonth"));
 941                                                 recur.by_month[1] = ICAL_RECURRENCE_ARRAY_MAX;
 942                                                 recur.by_day[0] = (atoi(bstr("rrymweek")) * 8)
 943                                                                 + atoi(bstr("rrymweekday")) + 1;
 944                                                 recur.by_day[1] = ICAL_RECURRENCE_ARRAY_MAX;
 945                                         }
 946                                         break;
 947
 948                                 /* This one can't happen either. */
 949                                 case ICAL_NO_RECURRENCE:
 950                                         break;
 951                         }
 952
 953                         if (!strcasecmp(bstr("rrend"), "rrend_count")) {
 954                                 recur.count = atoi(bstr("rrcount"));
 955                         }
 956                         else if (!strcasecmp(bstr("rrend"), "rrend_until")) {
 957                                 icaltime_from_webform_dateonly(&recur.until, "rruntil");
 958                         }
 959
 960                         icalcomponent_add_property(vevent, icalproperty_new_rrule(recur));
 961                 }
 962
 963                 /* recurrence rules -- end */
 964
 965                 /* See if transparency is indicated */
 966                 if (havebstr("transp")) {
 967                         if (!strcasecmp(bstr("transp"), "opaque")) {
 968                                 formtransp = ICAL_TRANSP_OPAQUE;
 969                         }
 970                         else if (!strcasecmp(bstr("transp"), "transparent")) {
 971                                 formtransp = ICAL_TRANSP_TRANSPARENT;
 972                         }
 973
 974                         while (prop = icalcomponent_get_first_property(vevent, ICAL_TRANSP_PROPERTY),
 975                               (prop != NULL)) {
 976                                 icalcomponent_remove_property(vevent, prop);
 977                                 icalproperty_free(prop);
 978                         }
 979
 980                         icalcomponent_add_property(vevent, icalproperty_new_transp(formtransp));
 981                 }
 982
 983                 /* Give this event a UID if it doesn't have one. */
 984                 if (icalcomponent_get_first_property(vevent,
 985                    ICAL_UID_PROPERTY) == NULL) {
 986                         generate_uuid(buf);
 987                         icalcomponent_add_property(vevent, icalproperty_new_uid(buf));
 988                 }
 989
 990                 /* Increment the sequence ID */
 991                 while (prop = icalcomponent_get_first_property(vevent,
 992                       ICAL_SEQUENCE_PROPERTY), (prop != NULL) ) {
 993                         i = icalproperty_get_sequence(prop);
 994                         if (i > sequence) sequence = i;
 995                         icalcomponent_remove_property(vevent, prop);
 996                         icalproperty_free(prop);
 997                 }
 998                 ++sequence;
 999                 icalcomponent_add_property(vevent,
1000                         icalproperty_new_sequence(sequence)
1001                 );
1002
1003                 /*
1004                  * Set the organizer, only if one does not already exist *and*
1005                  * the form is supplying one
1006                  */
1007                 strcpy(buf, bstr("organizer"));
1008                 if ( (icalcomponent_get_first_property(vevent,
1009                    ICAL_ORGANIZER_PROPERTY) == NULL)
1010                    && (!IsEmptyStr(buf)) ) {
1011
1012                         /* set new organizer */
1013                         sprintf(organizer_string, "MAILTO:%s", buf);
1014                         icalcomponent_add_property(vevent,
1015                                 icalproperty_new_organizer(organizer_string)
1016                         );
1017
1018                 }
1019
1020                 /*
1021                  * Add any new attendees listed in the web form
1022                  */
1023
1024                 /* First, strip out the parenthesized partstats.  */
1025                 strcpy(form_attendees, bstr("attendees"));
1026                 while ( stripout(form_attendees, '(', ')') != 0);
1027
1028                 /* Next, change any commas to newlines, because we want newline-separated attendees. */
1029                 j = strlen(form_attendees);
1030                 for (i=0; i<j; ++i) {
1031                         if (form_attendees[i] == ',') {
1032                                 form_attendees[i] = '\n';
1033                                 while (isspace(form_attendees[i+1])) {
1034                                         strcpy(&form_attendees[i+1], &form_attendees[i+2]);
1035                                 }
1036                         }
1037                 }
1038
1039                 /* Now iterate! */
1040                 for (i=0; i<num_tokens(form_attendees, '\n'); ++i) {
1041                         extract_token(buf, form_attendees, i, '\n', sizeof buf);
1042                         striplt(buf);
1043                         if (!IsEmptyStr(buf)) {
1044                                 sprintf(attendee_string, "MAILTO:%s", buf);
1045                                 foundit = 0;
1046
1047                                 for (attendee = icalcomponent_get_first_property(vevent, ICAL_ATTENDEE_PROPERTY); attendee != NULL; attendee = icalcomponent_get_next_property(vevent, ICAL_ATTENDEE_PROPERTY)) {
1048                                         if (!strcasecmp(attendee_string,
1049                                            icalproperty_get_attendee(attendee)))
1050                                                 ++foundit;
1051                                 }
1052
1053
1054                                 if (foundit == 0) {
1055                                         icalcomponent_add_property(vevent,
1056                                                 icalproperty_new_attendee(attendee_string)
1057                                         );
1058                                 }
1059                         }
1060                 }
1061
1062                 /*
1063                  * Remove any attendees *not* listed in the web form
1064                  */
1065 STARTOVER:      for (attendee = icalcomponent_get_first_property(vevent, ICAL_ATTENDEE_PROPERTY); attendee != NULL; attendee = icalcomponent_get_next_property(vevent, ICAL_ATTENDEE_PROPERTY)) {
1066                         strcpy(attendee_string, icalproperty_get_attendee(attendee));
1067                         if (!strncasecmp(attendee_string, "MAILTO:", 7)) {
1068                                 strcpy(attendee_string, &attendee_string[7]);
1069                                 striplt(attendee_string);
1070                                 foundit = 0;
1071                                 for (i=0; i<num_tokens(form_attendees, '\n'); ++i) {
1072                                         extract_token(buf, form_attendees, i, '\n', sizeof buf);
1073                                         striplt(buf);
1074                                         if (!strcasecmp(buf, attendee_string)) ++foundit;
1075                                 }
1076                                 if (foundit == 0) {
1077                                         icalcomponent_remove_property(vevent, attendee);
1078                                         icalproperty_free(attendee);
1079                                         goto STARTOVER;
1080                                 }
1081                         }
1082                 }
1083
1084                 /*
1085                  * Encapsulate event into full VCALENDAR component.  Clone it first,
1086                  * for two reasons: one, it's easier to just free the whole thing
1087                  * when we're done instead of unbundling, but more importantly, we
1088                  * can't encapsulate something that may already be encapsulated
1089                  * somewhere else.
1090                  */
1091                 encaps = ical_encapsulate_subcomponent(icalcomponent_new_clone(vevent));
1092
1093                 /* Set the method to PUBLISH */
1094                 icalcomponent_set_method(encaps, ICAL_METHOD_PUBLISH);
1095
1096                 /* If the user clicked 'Save' then save it to the server. */
1097                 if ( (encaps != NULL) && (havebstr("save_button")) ) {
1098                         serv_puts("ENT0 1|||4|||1|");
1099                         serv_getln(buf, sizeof buf);
1100                         if (buf[0] == '8') {
1101                                 serv_puts("Content-type: text/calendar");
1102                                 serv_puts("");
1103                                 serv_puts(icalcomponent_as_ical_string(encaps));
1104                                 serv_puts("000");
1105                         }
1106                         if ( (buf[0] == '8') || (buf[0] == '4') ) {
1107                                 while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
1108                                 }
1109                         }
1110                         if (buf[0] == '2') {
1111                                 strcpy(WC->ImportantMessage, &buf[4]);
1112                         }
1113                         icalmemory_free_ring ();
1114                         icalcomponent_free(encaps);
1115                         encaps = NULL;
1116                 }
1117
1118                 /* Or, check attendee availability if the user asked for that. */
1119                 if ( (encaps != NULL) && (havebstr("check_button")) ) {
1120
1121                         /* Call this function, which does the real work */
1122                         check_attendee_availability(encaps);
1123
1124                         /* This displays the form again, with our annotations */
1125                         display_edit_individual_event(encaps, msgnum, from, unread, NULL);
1126
1127                         icalcomponent_free(encaps);
1128                         encaps = NULL;
1129                 }
1130                 if (encaps != NULL) {
1131                         icalcomponent_free(encaps);
1132                         encaps = NULL;
1133                 }
1134
1135         }
1136
1137         /*
1138          * If the user clicked 'Delete' then delete it.
1139          */
1140         if ( (havebstr("delete_button")) && (msgnum > 0L) ) {
1141                 serv_printf("DELE %ld", lbstr("msgnum"));
1142                 serv_getln(buf, sizeof buf);
1143         }
1144
1145         if (created_new_vevent) {
1146                 icalcomponent_free(vevent);
1147         }
1148
1149         /* If this was a save or delete, go back to the calendar or summary view. */
1150         if (!havebstr("check_button")) {
1151                 if (!strcasecmp(bstr("calview"), "summary")) {
1152                         summary();
1153                 }
1154                 else {
1155                         readloop(readfwd);
1156                 }
1157         }
1158 }