webcit/event.c

   1 /*
   2  * Editing calendar events.
   3  *
   4  * Copyright (c) 1996-2012 by the citadel.org team
   5  *
   6  * This program is open source software.  You can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License, version 3.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  */
  14
  15 #include "webcit.h"
  16 #include "webserver.h"
  17 #include "calendar.h"
  18
  19 /*
  20  * Display an event by itself (for editing)
  21  * supplied_vevent      the event to edit
  22  * msgnum               reference on the citserver
  23  */
  24 void display_edit_individual_event(icalcomponent *supplied_vevent, long msgnum, char *from,
  25         int unread, calview *calv)
  26 {
  27         icalcomponent *vevent;
  28         icalproperty *p;
  29         icalvalue *v;
  30         struct icaltimetype t_start, t_end;
  31         time_t now;
  32         struct tm tm_now;
  33         int created_new_vevent = 0;
  34         icalproperty *organizer = NULL;
  35         char organizer_string[SIZ];
  36         icalproperty *attendee = NULL;
  37         char attendee_string[SIZ];
  38         char buf[SIZ];
  39         int organizer_is_me = 0;
  40         int i, j = 0;
  41         /************************************************************
  42          * Uncomment this to see the UID in calendar events for debugging
  43         int sequence = 0;
  44         */
  45         char weekday_labels[7][32];
  46         char month_labels[12][32];
  47         long weekstart = 0;
  48         icalproperty *rrule = NULL;
  49         struct icalrecurrencetype recur;
  50         char weekday_is_selected[7];
  51         int which_rrmonthtype_is_preselected = 0;
  52
  53         int rrmday;
  54         int rrmweekday;
  55
  56         icaltimetype day1;
  57         int weekbase;
  58         int rrmweek;
  59         int rrymweek;
  60         int rrymweekday;
  61         int rrymonth;
  62         int which_rrend_is_preselected;
  63         int which_rryeartype_is_preselected;
  64
  65         const char *ch;
  66         char *tabnames[3];
  67         const char *frequency_units[8];
  68         const char *ordinals[6];
  69
  70         frequency_units[0] = _("seconds");
  71         frequency_units[1] = _("minutes");
  72         frequency_units[2] = _("hours");
  73         frequency_units[3] = _("days");
  74         frequency_units[4] = _("weeks");
  75         frequency_units[5] = _("months");
  76         frequency_units[6] = _("years");
  77         frequency_units[7] = _("never");
  78
  79
  80         ordinals[0] = "0";
  81         ordinals[1] = _("first");
  82         ordinals[2] = _("second");
  83         ordinals[3] = _("third");
  84         ordinals[4] = _("fourth");
  85         ordinals[5] = _("fifth");
  86
  87
  88         tabnames[0] = _("Event");
  89         tabnames[1] = _("Attendees");
  90         tabnames[2] = _("Recurrence");
  91
  92         get_pref_long("weekstart", &weekstart, 17);
  93         if (weekstart > 6) weekstart = 0;
  94
  95         syslog(9, "display_edit_individual_event(%ld) calview=%s year=%s month=%s day=%s\n",
  96                 msgnum, bstr("calview"), bstr("year"), bstr("month"), bstr("day")
  97         );
  98
  99         /* populate the weekday names - begin */
 100         now = time(NULL);
 101         localtime_r(&now, &tm_now);
 102         while (tm_now.tm_wday != 0) {
 103                 now -= 86400L;
 104                 localtime_r(&now, &tm_now);
 105         }
 106         for (i=0; i<7; ++i) {
 107                 localtime_r(&now, &tm_now);
 108                 wc_strftime(weekday_labels[i], 32, "%A", &tm_now);
 109                 now += 86400L;
 110         }
 111         /* populate the weekday names - end */
 112
 113         /* populate the month names - begin */
 114         now = 259200L;  /* 1970-jan-04 is the first Sunday ever */
 115         localtime_r(&now, &tm_now);
 116         for (i=0; i<12; ++i) {
 117                 localtime_r(&now, &tm_now);
 118                 wc_strftime(month_labels[i], 32, "%B", &tm_now);
 119                 now += 2678400L;
 120         }
 121         /* populate the month names - end */
 122
 123         now = time(NULL);
 124         strcpy(organizer_string, "");
 125         strcpy(attendee_string, "");
 126
 127         if (supplied_vevent != NULL) {
 128                 vevent = supplied_vevent;
 129
 130                 /* Convert all timestamps to UTC to make them easier to process. */
 131                 ical_dezonify(vevent);
 132
 133                 /*
 134                  * If we're looking at a fully encapsulated VCALENDAR
 135                  * rather than a VEVENT component, attempt to use the first
 136                  * relevant VEVENT subcomponent.  If there is none, the
 137                  * NULL returned by icalcomponent_get_first_component() will
 138                  * tell the next iteration of this function to create a
 139                  * new one.
 140                  */
 141                 if (icalcomponent_isa(vevent) == ICAL_VCALENDAR_COMPONENT) {
 142                         display_edit_individual_event(
 143                                 icalcomponent_get_first_component(
 144                                         vevent, ICAL_VEVENT_COMPONENT),
 145                                 msgnum, from, unread, NULL
 146                         );
 147                         return;
 148                 }
 149         }
 150         else {
 151                 vevent = icalcomponent_new(ICAL_VEVENT_COMPONENT);
 152                 created_new_vevent = 1;
 153         }
 154
 155         /* Learn the sequence */
 156         p = icalcomponent_get_first_property(vevent, ICAL_SEQUENCE_PROPERTY);
 157         /************************************************************
 158          * Uncomment this to see the UID in calendar events for debugging
 159         if (p != NULL) {
 160                 sequence = icalproperty_get_sequence(p);
 161         }
 162         */
 163         /* Begin output */
 164         output_headers(1, 1, 1, 0, 0, 0);
 165         wc_printf("<div id=\"room_banner_override\">\n");
 166         wc_printf("<h1>");
 167         wc_printf(_("Add or edit an event"));
 168         wc_printf("</h1>");
 169         wc_printf("</div>\n");
 170
 171         wc_printf("<div id=\"content\" class=\"service\">\n");
 172
 173         /************************************************************
 174          * Uncomment this to see the UID in calendar events for debugging
 175         wc_printf("UID == ");
 176         p = icalcomponent_get_first_property(vevent, ICAL_UID_PROPERTY);
 177         if (p != NULL) {
 178                 escputs((char *)icalproperty_get_comment(p));
 179         }
 180         wc_printf("<br>\n");
 181         wc_printf("SEQUENCE == %d<br>\n", sequence);
 182         *************************************************************/
 183
 184         wc_printf("<form name=\"EventForm\" method=\"POST\" action=\"save_event\">\n");
 185         wc_printf("<input type=\"hidden\" name=\"nonce\" value=\"%d\">\n", WC->nonce);
 186
 187         wc_printf("<input type=\"hidden\" name=\"msgnum\" value=\"%ld\">\n",
 188                 msgnum);
 189         wc_printf("<input type=\"hidden\" name=\"calview\" value=\"%s\">\n",
 190                 bstr("calview"));
 191         wc_printf("<input type=\"hidden\" name=\"year\" value=\"%s\">\n",
 192                 bstr("year"));
 193         wc_printf("<input type=\"hidden\" name=\"month\" value=\"%s\">\n",
 194                 bstr("month"));
 195         wc_printf("<input type=\"hidden\" name=\"day\" value=\"%s\">\n",
 196                 bstr("day"));
 197
 198
 199         tabbed_dialog(3, tabnames);
 200         begin_tab(0, 3);
 201
 202         /* Put it in a borderless table so it lines up nicely */
 203         wc_printf("<table border='0' width='100%%'>\n");
 204
 205         wc_printf("<tr><td><b>");
 206         wc_printf(_("Summary"));
 207         wc_printf("</b></td><td>\n"
 208                 "<input type=\"text\" name=\"summary\" "
 209                 "maxlength=\"64\" size=\"64\" value=\"");
 210         p = icalcomponent_get_first_property(vevent, ICAL_SUMMARY_PROPERTY);
 211         if (p != NULL) {
 212                 escputs((char *)icalproperty_get_comment(p));
 213         }
 214         wc_printf("\"></td></tr>\n");
 215
 216         wc_printf("<tr><td><b>");
 217         wc_printf(_("Location"));
 218         wc_printf("</b></td><td>\n"
 219                 "<input type=\"text\" name=\"location\" "
 220                 "maxlength=\"64\" size=\"64\" value=\"");
 221         p = icalcomponent_get_first_property(vevent, ICAL_LOCATION_PROPERTY);
 222         if (p != NULL) {
 223                 escputs((char *)icalproperty_get_comment(p));
 224         }
 225         wc_printf("\"></td></tr>\n");
 226
 227         wc_printf("<tr><td><b>");
 228         wc_printf(_("Start"));
 229         wc_printf("</b></td><td>\n");
 230         p = icalcomponent_get_first_property(vevent, ICAL_DTSTART_PROPERTY);
 231         if (p != NULL) {
 232                 t_start = icalproperty_get_dtstart(p);
 233                 if (t_start.is_date) {
 234                         t_start.hour = 0;
 235                         t_start.minute = 0;
 236                         t_start.second = 0;
 237                 }
 238         }
 239         else {
 240                 localtime_r(&now, &tm_now);
 241                 if (havebstr("year")) {
 242                         tm_now.tm_year = ibstr("year") - 1900;
 243                         tm_now.tm_mon = ibstr("month") - 1;
 244                         tm_now.tm_mday = ibstr("day");
 245                 }
 246                 if (havebstr("hour")) {
 247                         tm_now.tm_hour = ibstr("hour");
 248                         tm_now.tm_min = ibstr("minute");
 249                         tm_now.tm_sec = 0;
 250                 }
 251                 else {
 252                         tm_now.tm_hour = 0;
 253                         tm_now.tm_min = 0;
 254                         tm_now.tm_sec = 0;
 255                 }
 256
 257                 t_start = icaltime_from_timet_with_zone(
 258                         mktime(&tm_now),
 259                         ((yesbstr("alldayevent")) ? 1 : 0),
 260                         icaltimezone_get_utc_timezone()
 261                 );
 262                 t_start.is_utc = 1;
 263
 264         }
 265         display_icaltimetype_as_webform(&t_start, "dtstart", 0);
 266
 267         wc_printf("<input type=\"checkbox\" id=\"alldayevent\" name=\"alldayevent\" "
 268                 "value=\"yes\" onclick=\"eventEditAllDay();\""
 269                 " %s >%s",
 270                 (t_start.is_date ? "checked=\"checked\"" : "" ),
 271                 _("All day event")
 272         );
 273
 274         wc_printf("</td></tr>\n");
 275
 276         wc_printf("<tr><td><b>");
 277         wc_printf(_("End"));
 278         wc_printf("</b></td><td id=\"dtendcell\">\n");
 279         p = icalcomponent_get_first_property(vevent,
 280                                                 ICAL_DTEND_PROPERTY);
 281         if (p != NULL) {
 282                 t_end = icalproperty_get_dtend(p);
 283
 284                 /*
 285                  * If this is an all-day-event, the end time is set to real end
 286                  * day + 1, so we have to adjust accordingly.
 287                  */
 288                 if (t_start.is_date) {
 289                         icaltime_adjust(&t_end, -1, 0, 0, 0);
 290                 }
 291         }
 292         else {
 293                 if (created_new_vevent == 1) {
 294                         /* set default duration */
 295                         if (t_start.is_date) {
 296                                 /*
 297                                  * If this is an all-day-event, set the end time to be identical to
 298                                  * the start time (the hour/minute/second will be set to midnight).
 299                                  */
 300                                 t_end = t_start;
 301                         }
 302                         else {
 303                                 /*
 304                                  * If this is not an all-day event and there is no
 305                                  * end time specified, make the default one hour
 306                                  * from the start time.
 307                                  */
 308                                 t_end = t_start;
 309                                 t_end.hour += 1;
 310                                 t_end.second = 0;
 311                                 t_end = icaltime_normalize(t_end);
 312                                 /* t_end = icaltime_from_timet(now, 0); */
 313                         }
 314                 }
 315                 else {
 316                         /*
 317                          * If an existing event has no end date/time this is
 318                          * supposed to mean end = start.
 319                          */
 320                         t_end = t_start;
 321                 }
 322         }
 323         display_icaltimetype_as_webform(&t_end, "dtend", 0);
 324         wc_printf("</td></tr>\n");
 325
 326         wc_printf("<tr><td><b>");
 327         wc_printf(_("Notes"));
 328         wc_printf("</b></td><td>\n"
 329                 "<textarea name=\"description\" "
 330                 "rows='5' cols='72' style='width:72'>\n"
 331         );
 332         p = icalcomponent_get_first_property(vevent, ICAL_DESCRIPTION_PROPERTY);
 333         if (p != NULL) {
 334                 escputs((char *)icalproperty_get_comment(p));
 335         }
 336         wc_printf("</textarea></td></tr>");
 337
 338         /*
 339          * For a new event, the user creating the event should be the
 340          * organizer.  Set this field accordingly.
 341          */
 342         if (icalcomponent_get_first_property(vevent, ICAL_ORGANIZER_PROPERTY)
 343            == NULL) {
 344                 sprintf(organizer_string, "mailto:%s", ChrPtr(WC->cs_inet_email));
 345                 icalcomponent_add_property(vevent,
 346                         icalproperty_new_organizer(organizer_string)
 347                 );
 348         }
 349
 350         /*
 351          * Determine who is the organizer of this event.
 352          * We need to determine "me" or "not me."
 353          */
 354         organizer = icalcomponent_get_first_property(vevent, ICAL_ORGANIZER_PROPERTY);
 355         if (organizer != NULL) {
 356                 strcpy(organizer_string, icalproperty_get_organizer(organizer));
 357                 if (!strncasecmp(organizer_string, "mailto:", 7)) {
 358                         strcpy(organizer_string, &organizer_string[7]);
 359                         striplt(organizer_string);
 360                         serv_printf("ISME %s", organizer_string);
 361                         serv_getln(buf, sizeof buf);
 362                         if (buf[0] == '2') {
 363                                 organizer_is_me = 1;
 364                         }
 365                 }
 366         }
 367
 368         wc_printf("<tr><td><b>");
 369         wc_printf(_("Organizer"));
 370         wc_printf("</b></td><td>");
 371         escputs(organizer_string);
 372         if (organizer_is_me) {
 373                 wc_printf(" <font size='-1'><i>");
 374                 wc_printf(_("(you are the organizer)"));
 375                 wc_printf("</i></font>\n");
 376         }
 377
 378         /*
 379          * Transmit the organizer as a hidden field.   We don't want the user
 380          * to be able to change it, but we do want it fed back to the server,
 381          * especially if this is a new event and there is no organizer already
 382          * in the calendar object.
 383          */
 384         wc_printf("<input type=\"hidden\" name=\"organizer\" value=\"");
 385         escputs(organizer_string);
 386         wc_printf("\">");
 387
 388         wc_printf("</td></tr>\n");
 389
 390         /* Transparency */
 391         wc_printf("<tr><td><b>");
 392         wc_printf(_("Show time as:"));
 393         wc_printf("</b></td><td>");
 394
 395         p = icalcomponent_get_first_property(vevent, ICAL_TRANSP_PROPERTY);
 396         if (p == NULL) {
 397                 /* No transparency found.  Default to opaque (busy). */
 398                 p = icalproperty_new_transp(ICAL_TRANSP_OPAQUE);
 399                 if (p != NULL) {
 400                         icalcomponent_add_property(vevent, p);
 401                 }
 402         }
 403         if (p != NULL) {
 404                 v = icalproperty_get_value(p);
 405         }
 406         else {
 407                 v = NULL;
 408         }
 409
 410         wc_printf("<input type=\"radio\" name=\"transp\" value=\"transparent\"");
 411         if ((v != NULL) && (icalvalue_get_transp(v) == ICAL_TRANSP_TRANSPARENT)) {
 412                 wc_printf(" CHECKED");
 413         }
 414         wc_printf(">");
 415         wc_printf(_("Free"));
 416         wc_printf("&nbsp;&nbsp;");
 417
 418         wc_printf("<input type=\"radio\" name=\"transp\" value=\"opaque\"");
 419         if ((v != NULL) && (icalvalue_get_transp(v) == ICAL_TRANSP_OPAQUE)) {
 420                 wc_printf(" CHECKED");
 421         }
 422         wc_printf(">");
 423         wc_printf(_("Busy"));
 424
 425         wc_printf("</td></tr>\n");
 426
 427
 428         /* Done with properties. */
 429         wc_printf("</TABLE>\n");
 430
 431         end_tab(0, 3);
 432
 433         /* Attendees tab (need to move things here) */
 434         begin_tab(1, 3);
 435         wc_printf("<table border='0' width='100%%'>\n");        /* same table style as the event tab */
 436         wc_printf("<tr><td><b>");
 437         wc_printf(_("Attendees"));
 438         wc_printf("</b><br>"
 439                 "<font size='-2'>");
 440         wc_printf(_("(One per line)"));
 441         wc_printf("</font>\n");
 442
 443         /* Pop open an address book -- begin */
 444         wc_printf(
 445                 "&nbsp;<a href=\"javascript:PopOpenAddressBook('attendees_box|%s');\" "
 446                 "title=\"%s\">"
 447                 "<img alt='' align='middle' border='0' width='16' height='16' src=\"static/webcit_icons/essen/16x16/contact.png\">"
 448                 "</a>",
 449                 _("Attendees"),
 450                 _("Contacts")
 451         );
 452         /* Pop open an address book -- end */
 453
 454         wc_printf("</td><td>"
 455                 "<textarea %s name=\"attendees\" id=\"attendees_box\" "
 456                 "onchange=\"EnableOrDisableCheckButton();\" "
 457                 "onKeyPress=\"EnableOrDisableCheckButton();\" "
 458                 "rows='10' cols='72' style='width:72'>\n",
 459                 (organizer_is_me ? "" : "disabled='disabled' ")
 460         );
 461         i = 0;
 462         for (attendee = icalcomponent_get_first_property(vevent, ICAL_ATTENDEE_PROPERTY);
 463             attendee != NULL;
 464             attendee = icalcomponent_get_next_property(vevent, ICAL_ATTENDEE_PROPERTY)) {
 465                 ch = icalproperty_get_attendee(attendee);
 466                 if ((ch != NULL) && !strncasecmp(ch, "mailto:", 7)) {
 467
 468                         /* screen name or email address */
 469                         safestrncpy(attendee_string, ch + 7, sizeof(attendee_string));
 470                         striplt(attendee_string);
 471                         if (i++) wc_printf("\n");
 472                         escputs(attendee_string);
 473                         wc_printf(" ");
 474
 475                         /* participant status */
 476                         partstat_as_string(buf, attendee);
 477                         escputs(buf);
 478                 }
 479         }
 480         wc_printf("</textarea></td></tr>\n");
 481         wc_printf("</table>\n");
 482         end_tab(1, 3);
 483
 484         /* Recurrence tab */
 485         begin_tab(2, 3);
 486
 487         rrule = icalcomponent_get_first_property(vevent, ICAL_RRULE_PROPERTY);
 488         if (rrule) {
 489                 recur = icalproperty_get_rrule(rrule);
 490         }
 491         else {
 492                 /* blank recurrence with some sensible defaults */
 493                 memset(&recur, 0, sizeof(struct icalrecurrencetype));
 494                 recur.count = 3;
 495                 recur.until = icaltime_null_time();
 496                 recur.interval = 1;
 497                 recur.freq = ICAL_WEEKLY_RECURRENCE;
 498         }
 499
 500         wc_printf("<input type=\"checkbox\" id=\"is_recur\" name=\"is_recur\" "
 501                 "value=\"yes\" "
 502                 "onclick=\"RecurrenceShowHide();\""
 503                 " %s >%s",
 504                 (rrule ? "checked=\"checked\"" : "" ),
 505                 _("This is a recurring event")
 506         );
 507
 508         wc_printf("<div id=\"rrule_div\">\n");          /* begin 'rrule_div' div */
 509
 510         wc_printf("<table border='0' cellspacing='10' width='100%%'>\n");
 511
 512         wc_printf("<tr><td><b>");
 513         wc_printf(_("Recurrence rule"));
 514         wc_printf("</b></td><td>");
 515
 516         if ((recur.freq < 0) || (recur.freq > 6)) recur.freq = 4;
 517         wc_printf("%s ", _("Repeats every"));
 518
 519         wc_printf("<input type=\"text\" name=\"interval\" maxlength=\"3\" size=\"3\" ");
 520         wc_printf("value=\"%d\">&nbsp;", recur.interval);
 521
 522         wc_printf("<select name=\"freq\" id=\"freq_selector\" size=\"1\" "
 523                 "onChange=\"RecurrenceShowHide();\">\n");
 524         for (i=0; i<(sizeof frequency_units / sizeof(char *)); ++i) {
 525                 wc_printf("<option %s%svalue=\"%d\">%s</option>\n",
 526                         ((i == recur.freq) ? "selected='selected' " : ""),
 527                         (((i == recur.freq) || ((i>=3)&&(i<=6))) ? "" : "disabled='disabled' "),
 528                         i,
 529                         frequency_units[i]
 530                 );
 531         }
 532         wc_printf("</select>\n");
 533
 534         wc_printf("<div id=\"weekday_selector\">");     /* begin 'weekday_selector' div */
 535         wc_printf("%s<br>", _("on these weekdays:"));
 536
 537         memset(weekday_is_selected, 0, 7);
 538
 539         for (i=0; i<ICAL_BY_DAY_SIZE; ++i) {
 540                 if (recur.by_day[i] == ICAL_RECURRENCE_ARRAY_MAX) {
 541                         i = ICAL_RECURRENCE_ARRAY_MAX;                  /* all done */
 542                 }
 543                 else {
 544                         for (j=0; j<7; ++j) {
 545                                 if (icalrecurrencetype_day_day_of_week(recur.by_day[i]) == j+1) {
 546                                         weekday_is_selected[j] = 1;
 547                                 }
 548                         }
 549                 }
 550         }
 551
 552         for (j=0; j<7; ++j) {
 553                 i = ((j + (int)weekstart) % 7);
 554                 wc_printf("<input type=\"checkbox\" name=\"weekday%d\" value=\"yes\"", i);
 555                 if (weekday_is_selected[i]) wc_printf(" checked='checked'");
 556                 wc_printf(">%s\n", weekday_labels[i]);
 557         }
 558         wc_printf("</div>\n");                          /* end 'weekday_selector' div */
 559
 560
 561
 562
 563
 564         wc_printf("<div id=\"monthday_selector\">");    /* begin 'monthday_selector' div */
 565
 566         wc_printf("<input type=\"radio\" name=\"rrmonthtype\" id=\"rrmonthtype_mday\" "
 567                 "value=\"rrmonthtype_mday\" "
 568                 "%s onChange=\"RecurrenceShowHide();\">",
 569                 ((which_rrmonthtype_is_preselected == 0) ? "checked='checked'" : "")
 570         );
 571
 572         rrmday = t_start.day;
 573         rrmweekday = icaltime_day_of_week(t_start) - 1;
 574
 575         /* Figure out what week of the month we're in */
 576         day1 = t_start;
 577         day1.day = 1;
 578         weekbase = icaltime_week_number(day1);
 579         rrmweek = icaltime_week_number(t_start) - weekbase + 1;
 580
 581         /* Are we going by day of the month or week/day? */
 582
 583         if (recur.by_month_day[0] != ICAL_RECURRENCE_ARRAY_MAX) {
 584                 which_rrmonthtype_is_preselected = 0;
 585                 rrmday = recur.by_month_day[0];
 586         }
 587         else if (recur.by_day[0] != ICAL_RECURRENCE_ARRAY_MAX) {
 588                 which_rrmonthtype_is_preselected = 1;
 589                 rrmweek = icalrecurrencetype_day_position(recur.by_day[0]);
 590                 rrmweekday = icalrecurrencetype_day_day_of_week(recur.by_day[0]) - 1;
 591         }
 592
 593         wc_printf(_("on day %s%d%s of the month"), "<span id=\"rrmday\">", rrmday, "</span>");
 594         wc_printf("<br>\n");
 595
 596         wc_printf("<input type=\"radio\" name=\"rrmonthtype\" id=\"rrmonthtype_wday\" "
 597                 "value=\"rrmonthtype_wday\" "
 598                 "%s onChange=\"RecurrenceShowHide();\">",
 599                 ((which_rrmonthtype_is_preselected == 1) ? "checked='checked'" : "")
 600         );
 601
 602         wc_printf(_("on the "));
 603         wc_printf("<select name=\"rrmweek\" id=\"rrmweek\" size=\"1\" "
 604                 "onChange=\"RecurrenceShowHide();\">\n");
 605         for (i=1; i<=5; ++i) {
 606                 wc_printf("<option %svalue=\"%d\">%s</option>\n",
 607                         ((i==rrmweek) ? "selected='selected' " : ""),
 608                         i,
 609                         ordinals[i]
 610                 );
 611         }
 612         wc_printf("</select> \n");
 613
 614         wc_printf("<select name=\"rrmweekday\" id=\"rrmweekday\" size=\"1\" "
 615                 "onChange=\"RecurrenceShowHide();\">\n");
 616         for (j=0; j<7; ++j) {
 617                 i = ((j + (int)weekstart) % 7);
 618                 wc_printf("<option %svalue=\"%d\">%s</option>\n",
 619                         ((i==rrmweekday) ? "selected='selected' " : ""),
 620                         i,
 621                         weekday_labels[i]
 622                 );
 623         }
 624         wc_printf("</select>");
 625
 626         wc_printf(" %s<br>\n", _("of the month"));
 627
 628         wc_printf("</div>\n");                          /* end 'monthday_selector' div */
 629
 630
 631         rrymweek = rrmweek;
 632         rrymweekday = rrmweekday;
 633         rrymonth = t_start.month;
 634         which_rryeartype_is_preselected = 0;
 635
 636         if (
 637                 (recur.by_day[0] != ICAL_RECURRENCE_ARRAY_MAX)
 638                 && (recur.by_day[0] != 0)
 639                 && (recur.by_month[0] != ICAL_RECURRENCE_ARRAY_MAX)
 640                 && (recur.by_month[0] != 0)
 641         ) {
 642                 which_rryeartype_is_preselected = 1;
 643                 rrymweek = icalrecurrencetype_day_position(recur.by_day[0]);
 644                 rrymweekday = icalrecurrencetype_day_day_of_week(recur.by_day[0]) - 1;
 645                 rrymonth = recur.by_month[0];
 646         }
 647
 648         wc_printf("<div id=\"yearday_selector\">");     /* begin 'yearday_selector' div */
 649
 650         wc_printf("<input type=\"radio\" name=\"rryeartype\" id=\"rryeartype_ymday\" "
 651                 "value=\"rryeartype_ymday\" "
 652                 "%s onChange=\"RecurrenceShowHide();\">",
 653                 ((which_rryeartype_is_preselected == 0) ? "checked='checked'" : "")
 654         );
 655         wc_printf(_("every "));
 656         wc_printf("<span id=\"ymday\">%s</span><br>", _("year on this date"));
 657
 658         wc_printf("<input type=\"radio\" name=\"rryeartype\" id=\"rryeartype_ywday\" "
 659                 "value=\"rryeartype_ywday\" "
 660                 "%s onChange=\"RecurrenceShowHide();\">",
 661                 ((which_rryeartype_is_preselected == 1) ? "checked='checked'" : "")
 662         );
 663
 664         wc_printf(_("on the "));
 665         wc_printf("<select name=\"rrymweek\" id=\"rrymweek\" size=\"1\" "
 666                 "onChange=\"RecurrenceShowHide();\">\n");
 667         for (i=1; i<=5; ++i) {
 668                 wc_printf("<option %svalue=\"%d\">%s</option>\n",
 669                         ((i==rrymweek) ? "selected='selected' " : ""),
 670                         i,
 671                         ordinals[i]
 672                 );
 673         }
 674         wc_printf("</select> \n");
 675
 676         wc_printf("<select name=\"rrymweekday\" id=\"rrymweekday\" size=\"1\" "
 677                 "onChange=\"RecurrenceShowHide();\">\n");
 678         for (j=0; j<7; ++j) {
 679                 i = ((j + (int)weekstart) % 7);
 680                 wc_printf("<option %svalue=\"%d\">%s</option>\n",
 681                         ((i==rrymweekday) ? "selected='selected' " : ""),
 682                         i,
 683                         weekday_labels[i]
 684                 );
 685         }
 686         wc_printf("</select>");
 687
 688         wc_printf(" %s ", _("of"));
 689
 690         wc_printf("<select name=\"rrymonth\" id=\"rrymonth\" size=\"1\" "
 691                 "onChange=\"RecurrenceShowHide();\">\n");
 692         for (i=1; i<=12; ++i) {
 693                 wc_printf("<option %svalue=\"%d\">%s</option>\n",
 694                         ((i==rrymonth) ? "selected='selected' " : ""),
 695                         i,
 696                         month_labels[i-1]
 697                 );
 698         }
 699         wc_printf("</select>");
 700         wc_printf("<br>\n");
 701
 702         wc_printf("</div>\n");                          /* end 'yearday_selector' div */
 703
 704         wc_printf("</td></tr>\n");
 705
 706
 707         which_rrend_is_preselected = 0;
 708         if (!icaltime_is_null_time(recur.until)) which_rrend_is_preselected = 2;
 709         if (recur.count > 0) which_rrend_is_preselected = 1;
 710
 711         wc_printf("<tr><td><b>");
 712         wc_printf(_("Recurrence range"));
 713         wc_printf("</b></td><td>\n");
 714
 715         wc_printf("<input type=\"radio\" name=\"rrend\" id=\"rrend_none\" "
 716                 "value=\"rrend_none\" "
 717                 "%s onChange=\"RecurrenceShowHide();\">",
 718                 ((which_rrend_is_preselected == 0) ? "checked='checked'" : "")
 719         );
 720         wc_printf("%s<br>\n", _("No ending date"));
 721
 722         wc_printf("<input type=\"radio\" name=\"rrend\" id=\"rrend_count\" "
 723                 "value=\"rrend_count\" "
 724                 "%s onChange=\"RecurrenceShowHide();\">",
 725                 ((which_rrend_is_preselected == 1) ? "checked='checked'" : "")
 726         );
 727         wc_printf(_("Repeat this event"));
 728         wc_printf(" <input type=\"text\" name=\"rrcount\" id=\"rrcount\" maxlength=\"3\" size=\"3\" ");
 729         wc_printf("value=\"%d\"> ", recur.count);
 730         wc_printf(_("times"));
 731         wc_printf("<br>\n");
 732
 733         wc_printf("<input type=\"radio\" name=\"rrend\" id=\"rrend_until\" "
 734                 "value=\"rrend_until\" "
 735                 "%s onChange=\"RecurrenceShowHide();\">",
 736                 ((which_rrend_is_preselected == 2) ? "checked='checked'" : "")
 737         );
 738         wc_printf(_("Repeat this event until "));
 739
 740         if (icaltime_is_null_time(recur.until)) {
 741                 recur.until = icaltime_add(t_start, icaldurationtype_from_int(604800));
 742         }
 743         display_icaltimetype_as_webform(&recur.until, "rruntil", 1);
 744         wc_printf("<br>\n");
 745
 746         wc_printf("</td></tr>\n");
 747
 748         wc_printf("</table>\n");
 749         wc_printf("</div>\n");                          /* end 'rrule' div */
 750
 751         end_tab(2, 3);
 752
 753         /* submit buttons (common area beneath the tabs) */
 754         begin_tab(3, 3);
 755         wc_printf("<center>"
 756                 "<input type=\"submit\" name=\"save_button\" value=\"%s\">"
 757                 "&nbsp;&nbsp;"
 758                 "<input type=\"submit\" name=\"delete_button\" value=\"%s\">\n"
 759                 "&nbsp;&nbsp;"
 760                 "<input type=\"submit\" id=\"check_button\" name=\"check_button\" value=\"%s\">\n"
 761                 "&nbsp;&nbsp;"
 762                 "<input type=\"submit\" name=\"cancel_button\" value=\"%s\">\n"
 763                 "</center>\n",
 764                 _("Save"),
 765                 _("Delete"),
 766                 _("Check attendee availability"),
 767                 _("Cancel")
 768         );
 769         end_tab(3, 3);
 770         wc_printf("</form>\n");
 771
 772         StrBufAppendPrintf(WC->trailing_javascript,
 773                 "eventEditAllDay();             \n"
 774                 "RecurrenceShowHide();          \n"
 775                 "EnableOrDisableCheckButton();  \n"
 776         );
 777         address_book_popup();
 778         wDumpContent(1);
 779
 780         if (created_new_vevent) {
 781                 icalcomponent_free(vevent);
 782         }
 783 }
 784
 785 /*
 786  * Save an edited event
 787  *
 788  * supplied_vevent:     the event to save
 789  * msgnum:              the index on the citserver
 790  */
 791 void save_individual_event(icalcomponent *supplied_vevent, long msgnum, char *from,
 792                         int unread, calview *calv) {
 793         char buf[SIZ];
 794         icalproperty *prop;
 795         icalcomponent *vevent, *encaps;
 796         int created_new_vevent = 0;
 797         int all_day_event = 0;
 798         struct icaltimetype event_start, t;
 799         icalproperty *attendee = NULL;
 800         char attendee_string[SIZ];
 801         int i, j;
 802         int foundit;
 803         char form_attendees[SIZ];
 804         char organizer_string[SIZ];
 805         int sequence = 0;
 806         enum icalproperty_transp formtransp = ICAL_TRANSP_NONE;
 807         const char *ch;
 808
 809         if (supplied_vevent != NULL) {
 810                 vevent = supplied_vevent;
 811
 812                 /* Convert all timestamps to UTC to make them easier to process. */
 813                 ical_dezonify(vevent);
 814
 815                 /*
 816                  * If we're looking at a fully encapsulated VCALENDAR
 817                  * rather than a VEVENT component, attempt to use the first
 818                  * relevant VEVENT subcomponent.  If there is none, the
 819                  * NULL returned by icalcomponent_get_first_component() will
 820                  * tell the next iteration of this function to create a
 821                  * new one.
 822                  */
 823                 if (icalcomponent_isa(vevent) == ICAL_VCALENDAR_COMPONENT) {
 824                         save_individual_event(
 825                                 icalcomponent_get_first_component(
 826                                         vevent, ICAL_VEVENT_COMPONENT),
 827                                 msgnum, from, unread, NULL
 828                         );
 829                         return;
 830                 }
 831         }
 832         else {
 833                 vevent = icalcomponent_new(ICAL_VEVENT_COMPONENT);
 834                 created_new_vevent = 1;
 835         }
 836
 837         if ( (havebstr("save_button"))
 838            || (havebstr("check_button")) ) {
 839
 840                 /* Replace values in the component with ones from the form */
 841
 842                 while (prop = icalcomponent_get_first_property(vevent,
 843                       ICAL_SUMMARY_PROPERTY), prop != NULL) {
 844                         icalcomponent_remove_property(vevent, prop);
 845                         icalproperty_free(prop);
 846                 }
 847
 848                 /* Add NOW() to the calendar object... */
 849                 icalcomponent_set_dtstamp(vevent,
 850                                           icaltime_from_timet(
 851                                                   time(NULL), 0));
 852
 853                 if (havebstr("summary")) {
 854                         icalcomponent_add_property(vevent,
 855                                         icalproperty_new_summary(bstr("summary")));
 856                 } else {
 857                         icalcomponent_add_property(vevent,
 858                                         icalproperty_new_summary(_("Untitled Event")));
 859                 }
 860
 861                 while (prop = icalcomponent_get_first_property(vevent,
 862                                         ICAL_LOCATION_PROPERTY), prop != NULL) {
 863                         icalcomponent_remove_property(vevent, prop);
 864                         icalproperty_free(prop);
 865                 }
 866                 if (havebstr("location")) {
 867                         icalcomponent_add_property(vevent,
 868                                         icalproperty_new_location(bstr("location")));
 869                 }
 870                 while (prop = icalcomponent_get_first_property(vevent,
 871                                   ICAL_DESCRIPTION_PROPERTY), prop != NULL) {
 872                         icalcomponent_remove_property(vevent, prop);
 873                         icalproperty_free(prop);
 874                 }
 875                 if (havebstr("description")) {
 876                         icalcomponent_add_property(vevent,
 877                                 icalproperty_new_description(bstr("description")));
 878                 }
 879
 880                 while (prop = icalcomponent_get_first_property(vevent,
 881                       ICAL_DTSTART_PROPERTY), prop != NULL) {
 882                         icalcomponent_remove_property(vevent, prop);
 883                         icalproperty_free(prop);
 884                 }
 885
 886                 if (yesbstr("alldayevent")) {
 887                         all_day_event = 1;
 888                 }
 889                 else {
 890                         all_day_event = 0;
 891                 }
 892
 893                 if (all_day_event) {
 894                         icaltime_from_webform_dateonly(&event_start, "dtstart");
 895                 }
 896                 else {
 897                         icaltime_from_webform(&event_start, "dtstart");
 898                 }
 899
 900                 prop = icalproperty_new_dtstart(event_start);
 901
 902                 if (all_day_event) {
 903                         /* Force it to serialize as a date-only rather than date/time */
 904                         icalproperty_set_value(prop, icalvalue_new_date(event_start));
 905                 }
 906
 907                 if (prop) icalcomponent_add_property(vevent, prop);
 908                 else icalproperty_free(prop);
 909
 910                 while (prop = icalcomponent_get_first_property(vevent,
 911                       ICAL_DTEND_PROPERTY), prop != NULL) {
 912                         icalcomponent_remove_property(vevent, prop);
 913                         icalproperty_free(prop);
 914                 }
 915                 while (prop = icalcomponent_get_first_property(vevent,
 916                       ICAL_DURATION_PROPERTY), prop != NULL) {
 917                         icalcomponent_remove_property(vevent, prop);
 918                         icalproperty_free(prop);
 919                 }
 920
 921                 if (all_day_event) {
 922                         icaltime_from_webform_dateonly(&t, "dtend");
 923
 924                         /* with this field supposed to be non-inclusive we have to add one day */
 925                         icaltime_adjust(&t, 1, 0, 0, 0);
 926                 }
 927                 else {
 928                         icaltime_from_webform(&t, "dtend");
 929                 }
 930
 931                 icalcomponent_add_property(vevent,
 932                         icalproperty_new_dtend(icaltime_normalize(t)
 933                         )
 934                 );
 935
 936                 /* recurrence rules -- begin */
 937
 938                 /* remove any existing rule */
 939                 while (prop = icalcomponent_get_first_property(vevent, ICAL_RRULE_PROPERTY), prop != NULL) {
 940                         icalcomponent_remove_property(vevent, prop);
 941                         icalproperty_free(prop);
 942                 }
 943
 944                 if (yesbstr("is_recur")) {
 945                         struct icalrecurrencetype recur;
 946                         icalrecurrencetype_clear(&recur);
 947
 948                         recur.interval = atoi(bstr("interval"));
 949                         recur.freq = atoi(bstr("freq"));
 950
 951                         switch(recur.freq) {
 952
 953                                 /* These can't happen; they're disabled. */
 954                                 case ICAL_SECONDLY_RECURRENCE:
 955                                         break;
 956                                 case ICAL_MINUTELY_RECURRENCE:
 957                                         break;
 958                                 case ICAL_HOURLY_RECURRENCE:
 959                                         break;
 960
 961                                 /* Daily is valid but there are no further inputs. */
 962                                 case ICAL_DAILY_RECURRENCE:
 963                                         break;
 964
 965                                 /* These are the real options. */
 966
 967                                 case ICAL_WEEKLY_RECURRENCE:
 968                                         j=0;
 969                                         for (i=0; i<7; ++i) {
 970                                                 snprintf(buf, sizeof buf, "weekday%d", i);
 971                                                 if (YESBSTR(buf)) recur.by_day[j++] =
 972                                                         icalrecurrencetype_day_day_of_week(i+1);
 973                                         }
 974                                         recur.by_day[j++] = ICAL_RECURRENCE_ARRAY_MAX;
 975                                         break;
 976
 977                                 case ICAL_MONTHLY_RECURRENCE:
 978                                         if (!strcasecmp(bstr("rrmonthtype"), "rrmonthtype_mday")) {
 979                                                 recur.by_month_day[0] = event_start.day;
 980                                                 recur.by_month_day[1] = ICAL_RECURRENCE_ARRAY_MAX;
 981                                         }
 982                                         else if (!strcasecmp(bstr("rrmonthtype"), "rrmonthtype_wday")) {
 983                                                 recur.by_day[0] = (atoi(bstr("rrmweek")) * 8)
 984                                                                 + atoi(bstr("rrmweekday")) + 1;
 985                                                 recur.by_day[1] = ICAL_RECURRENCE_ARRAY_MAX;
 986                                         }
 987                                         break;
 988
 989                                 case ICAL_YEARLY_RECURRENCE:
 990                                         if (!strcasecmp(bstr("rryeartype"), "rryeartype_ymday")) {
 991                                                 /* no further action is needed here */
 992                                         }
 993                                         else if (!strcasecmp(bstr("rryeartype"), "rryeartype_ywday")) {
 994                                                 recur.by_month[0] = atoi(bstr("rrymonth"));
 995                                                 recur.by_month[1] = ICAL_RECURRENCE_ARRAY_MAX;
 996                                                 recur.by_day[0] = (atoi(bstr("rrymweek")) * 8)
 997                                                                 + atoi(bstr("rrymweekday")) + 1;
 998                                                 recur.by_day[1] = ICAL_RECURRENCE_ARRAY_MAX;
 999                                         }
1000                                         break;
1001
1002                                 /* This one can't happen either. */
1003                                 case ICAL_NO_RECURRENCE:
1004                                         break;
1005                         }
1006
1007                         if (!strcasecmp(bstr("rrend"), "rrend_count")) {
1008                                 recur.count = atoi(bstr("rrcount"));
1009                         }
1010                         else if (!strcasecmp(bstr("rrend"), "rrend_until")) {
1011                                 icaltime_from_webform_dateonly(&recur.until, "rruntil");
1012                         }
1013
1014                         icalcomponent_add_property(vevent, icalproperty_new_rrule(recur));
1015                 }
1016
1017                 /* recurrence rules -- end */
1018
1019                 /* See if transparency is indicated */
1020                 if (havebstr("transp")) {
1021                         if (!strcasecmp(bstr("transp"), "opaque")) {
1022                                 formtransp = ICAL_TRANSP_OPAQUE;
1023                         }
1024                         else if (!strcasecmp(bstr("transp"), "transparent")) {
1025                                 formtransp = ICAL_TRANSP_TRANSPARENT;
1026                         }
1027
1028                         while (prop = icalcomponent_get_first_property(vevent, ICAL_TRANSP_PROPERTY),
1029                               (prop != NULL)) {
1030                                 icalcomponent_remove_property(vevent, prop);
1031                                 icalproperty_free(prop);
1032                         }
1033
1034                         icalcomponent_add_property(vevent, icalproperty_new_transp(formtransp));
1035                 }
1036
1037                 /* Give this event a UID if it doesn't have one. */
1038                 if (icalcomponent_get_first_property(vevent,
1039                    ICAL_UID_PROPERTY) == NULL) {
1040                         generate_uuid(buf);
1041                         icalcomponent_add_property(vevent, icalproperty_new_uid(buf));
1042                 }
1043
1044                 /* Increment the sequence ID */
1045                 while (prop = icalcomponent_get_first_property(vevent,
1046                       ICAL_SEQUENCE_PROPERTY), (prop != NULL) ) {
1047                         i = icalproperty_get_sequence(prop);
1048                         if (i > sequence) sequence = i;
1049                         icalcomponent_remove_property(vevent, prop);
1050                         icalproperty_free(prop);
1051                 }
1052                 ++sequence;
1053                 icalcomponent_add_property(vevent,
1054                         icalproperty_new_sequence(sequence)
1055                 );
1056
1057                 /*
1058                  * Set the organizer, only if one does not already exist *and*
1059                  * the form is supplying one
1060                  */
1061                 strcpy(buf, bstr("organizer"));
1062                 if ( (icalcomponent_get_first_property(vevent,
1063                    ICAL_ORGANIZER_PROPERTY) == NULL)
1064                    && (!IsEmptyStr(buf)) ) {
1065
1066                         /* set new organizer */
1067                         sprintf(organizer_string, "MAILTO:%s", buf);
1068                         icalcomponent_add_property(vevent,
1069                                 icalproperty_new_organizer(organizer_string)
1070                         );
1071
1072                 }
1073
1074                 /*
1075                  * Add any new attendees listed in the web form
1076                  */
1077
1078                 /* First, strip out the parenthesized partstats.  */
1079                 strcpy(form_attendees, bstr("attendees"));
1080                 while ( stripout(form_attendees, '(', ')') != 0);
1081
1082                 /* Next, change any commas to newlines, because we want newline-separated attendees. */
1083                 j = strlen(form_attendees);
1084                 for (i=0; i<j; ++i) {
1085                         if (form_attendees[i] == ',') {
1086                                 form_attendees[i] = '\n';
1087                                 while (isspace(form_attendees[i+1])) {
1088                                         strcpy(&form_attendees[i+1], &form_attendees[i+2]);
1089                                 }
1090                         }
1091                 }
1092
1093                 /* Now iterate! */
1094                 for (i=0; i<num_tokens(form_attendees, '\n'); ++i) {
1095                         extract_token(buf, form_attendees, i, '\n', sizeof buf);
1096                         striplt(buf);
1097                         if (!IsEmptyStr(buf)) {
1098                                 sprintf(attendee_string, "MAILTO:%s", buf);
1099                                 foundit = 0;
1100
1101                                 for (attendee = icalcomponent_get_first_property(vevent, ICAL_ATTENDEE_PROPERTY); attendee != NULL; attendee = icalcomponent_get_next_property(vevent, ICAL_ATTENDEE_PROPERTY)) {
1102                                         ch = icalproperty_get_attendee(attendee);
1103                                         if ((ch != NULL) && !strcasecmp(attendee_string, ch))
1104                                                 ++foundit;
1105                                 }
1106
1107
1108                                 if (foundit == 0) {
1109                                         icalcomponent_add_property(vevent,
1110                                                                    icalproperty_new_attendee(attendee_string)
1111                                         );
1112                                 }
1113                         }
1114                 }
1115
1116                 /*
1117                  * Remove any attendees *not* listed in the web form
1118                  */
1119 STARTOVER:      for (attendee = icalcomponent_get_first_property(vevent, ICAL_ATTENDEE_PROPERTY); attendee != NULL; attendee = icalcomponent_get_next_property(vevent, ICAL_ATTENDEE_PROPERTY)) {
1120                         ch = icalproperty_get_attendee(attendee);
1121                         if ((ch != NULL) && !strncasecmp(ch, "MAILTO:", 7)) {
1122                                 safestrncpy(attendee_string, ch + 7, sizeof(attendee_string));
1123                                 striplt(attendee_string);
1124                                 foundit = 0;
1125                                 for (i=0; i<num_tokens(form_attendees, '\n'); ++i) {
1126                                         extract_token(buf, form_attendees, i, '\n', sizeof buf);
1127                                         striplt(buf);
1128                                         if (!strcasecmp(buf, attendee_string)) ++foundit;
1129                                 }
1130                                 if (foundit == 0) {
1131                                         icalcomponent_remove_property(vevent, attendee);
1132                                         icalproperty_free(attendee);
1133                                         goto STARTOVER;
1134                                 }
1135                         }
1136                 }
1137
1138                 /*
1139                  * Encapsulate event into full VCALENDAR component.  Clone it first,
1140                  * for two reasons: one, it's easier to just free the whole thing
1141                  * when we're done instead of unbundling, but more importantly, we
1142                  * can't encapsulate something that may already be encapsulated
1143                  * somewhere else.
1144                  */
1145                 encaps = ical_encapsulate_subcomponent(icalcomponent_new_clone(vevent));
1146
1147                 /* Set the method to PUBLISH */
1148                 icalcomponent_set_method(encaps, ICAL_METHOD_PUBLISH);
1149
1150                 /* If the user clicked 'Save' then save it to the server. */
1151                 if ( (encaps != NULL) && (havebstr("save_button")) ) {
1152                         serv_puts("ENT0 1|||4|||1|");
1153                         serv_getln(buf, sizeof buf);
1154                         switch (buf[0]) {
1155                         case '8':
1156                                 serv_puts("Content-type: text/calendar");
1157                                 serv_puts("Content-Transfer-Encoding: quoted-printable");
1158                                 serv_puts("");
1159                                 text_to_server_qp(icalcomponent_as_ical_string(encaps));
1160 //                              serv_puts(icalcomponent_as_ical_string(encaps));
1161                                 serv_puts("000");
1162                         case '4':
1163                                 while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {}
1164                                 break;
1165                         case '2':
1166                                 AppendImportantMessage(buf + 4, - 1);
1167                                 break;
1168                         default:
1169                                 break;
1170                         }
1171                         icalmemory_free_ring ();
1172                         icalcomponent_free(encaps);
1173                         encaps = NULL;
1174                 }
1175
1176                 /* Or, check attendee availability if the user asked for that. */
1177                 if ( (encaps != NULL) && (havebstr("check_button")) ) {
1178
1179                         /* Call this function, which does the real work */
1180                         check_attendee_availability(encaps);
1181
1182                         /* This displays the form again, with our annotations */
1183                         display_edit_individual_event(encaps, msgnum, from, unread, NULL);
1184
1185                         icalcomponent_free(encaps);
1186                         encaps = NULL;
1187                 }
1188                 if (encaps != NULL) {
1189                         icalcomponent_free(encaps);
1190                         encaps = NULL;
1191                 }
1192
1193         }
1194
1195         /*
1196          * If the user clicked 'Delete' then delete it.
1197          */
1198         if ( (havebstr("delete_button")) && (msgnum > 0L) ) {
1199                 serv_printf("DELE %ld", lbstr("msgnum"));
1200                 serv_getln(buf, sizeof buf);
1201         }
1202
1203         if (created_new_vevent) {
1204                 icalcomponent_free(vevent);
1205         }
1206
1207         /* If this was a save or delete, go back to the calendar or summary view. */
1208         if (!havebstr("check_button")) {
1209                 if (!strcasecmp(bstr("calview"), "summary")) {
1210                         display_summary_page();
1211                 }
1212                 else {
1213                         readloop(readfwd, eUseDefault);
1214                 }
1215         }
1216 }