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, int unread) {
  16         icalcomponent *vevent;
  17         icalproperty *p;
  18         icalvalue *v;
  19         struct icaltimetype t_start, t_end;
  20         time_t now;
  21         struct tm tm_now;
  22         int created_new_vevent = 0;
  23         icalproperty *organizer = NULL;
  24         char organizer_string[SIZ];
  25         icalproperty *attendee = NULL;
  26         char attendee_string[SIZ];
  27         char buf[SIZ];
  28         int organizer_is_me = 0;
  29         int i, j = 0;
  30         int sequence = 0;
  31         char weekday_labels[7][32];
  32
  33         lprintf(9, "display_edit_individual_event(%ld) calview=%s year=%s month=%s day=%s\n",
  34                 msgnum, bstr("calview"), bstr("year"), bstr("month"), bstr("day")
  35         );
  36
  37         /* populate the weekday names - begin */
  38         now = time(NULL);
  39         localtime_r(&now, &tm_now);
  40         while (tm_now.tm_wday != 0) {
  41                 now -= 86400L;
  42                 localtime_r(&now, &tm_now);
  43         }
  44         for (i=0; i<7; ++i) {
  45                 localtime_r(&now, &tm_now);
  46                 wc_strftime(weekday_labels[i], 32, "%A", &tm_now);
  47                 now += 86400L;
  48         }
  49         /* populate the weekday names - end */
  50
  51         now = time(NULL);
  52         strcpy(organizer_string, "");
  53         strcpy(attendee_string, "");
  54
  55         if (supplied_vevent != NULL) {
  56                 vevent = supplied_vevent;
  57                 /*
  58                  * If we're looking at a fully encapsulated VCALENDAR
  59                  * rather than a VEVENT component, attempt to use the first
  60                  * relevant VEVENT subcomponent.  If there is none, the
  61                  * NULL returned by icalcomponent_get_first_component() will
  62                  * tell the next iteration of this function to create a
  63                  * new one.
  64                  */
  65                 if (icalcomponent_isa(vevent) == ICAL_VCALENDAR_COMPONENT) {
  66                         display_edit_individual_event(
  67                                 icalcomponent_get_first_component(
  68                                         vevent, ICAL_VEVENT_COMPONENT),
  69                                 msgnum, from, unread
  70                         );
  71                         return;
  72                 }
  73         }
  74         else {
  75                 vevent = icalcomponent_new(ICAL_VEVENT_COMPONENT);
  76                 created_new_vevent = 1;
  77         }
  78
  79         /* Learn the sequence */
  80         p = icalcomponent_get_first_property(vevent, ICAL_SEQUENCE_PROPERTY);
  81         if (p != NULL) {
  82                 sequence = icalproperty_get_sequence(p);
  83         }
  84
  85         /* Begin output */
  86         output_headers(1, 1, 2, 0, 0, 0);
  87         wprintf("<div id=\"banner\">\n");
  88         wprintf("<h1>");
  89         wprintf(_("Add or edit an event"));
  90         wprintf("</h1>");
  91         wprintf("</div>\n");
  92
  93         wprintf("<div id=\"content\" class=\"service\">\n");
  94
  95         wprintf("<div class=\"fix_scrollbar_bug\">");
  96
  97         /************************************************************
  98          * Uncomment this to see the UID in calendar events for debugging
  99         wprintf("UID == ");
 100         p = icalcomponent_get_first_property(vevent, ICAL_UID_PROPERTY);
 101         if (p != NULL) {
 102                 escputs((char *)icalproperty_get_comment(p));
 103         }
 104         wprintf("<br />\n");
 105         wprintf("SEQUENCE == %d<br />\n", sequence);
 106         *************************************************************/
 107
 108         wprintf("<FORM NAME=\"EventForm\" METHOD=\"POST\" action=\"save_event\">\n");
 109         wprintf("<input type=\"hidden\" name=\"nonce\" value=\"%d\">\n", WC->nonce);
 110
 111         wprintf("<INPUT TYPE=\"hidden\" NAME=\"msgnum\" VALUE=\"%ld\">\n",
 112                 msgnum);
 113         wprintf("<INPUT TYPE=\"hidden\" NAME=\"calview\" VALUE=\"%s\">\n",
 114                 bstr("calview"));
 115         wprintf("<INPUT TYPE=\"hidden\" NAME=\"year\" VALUE=\"%s\">\n",
 116                 bstr("year"));
 117         wprintf("<INPUT TYPE=\"hidden\" NAME=\"month\" VALUE=\"%s\">\n",
 118                 bstr("month"));
 119         wprintf("<INPUT TYPE=\"hidden\" NAME=\"day\" VALUE=\"%s\">\n",
 120                 bstr("day"));
 121
 122         char *tabnames[] = {
 123                 _("Event"),
 124                 _("Attendees"),
 125                 _("Recurrence")
 126         };
 127
 128         tabbed_dialog(3, tabnames);
 129         begin_tab(0, 3);
 130
 131         /* Put it in a borderless table so it lines up nicely */
 132         wprintf("<TABLE border=0 width=100%%>\n");
 133
 134         wprintf("<TR><TD><B>");
 135         wprintf(_("Summary"));
 136         wprintf("</B></TD><TD>\n"
 137                 "<INPUT TYPE=\"text\" NAME=\"summary\" "
 138                 "MAXLENGTH=\"64\" SIZE=\"64\" VALUE=\"");
 139         p = icalcomponent_get_first_property(vevent, ICAL_SUMMARY_PROPERTY);
 140         if (p != NULL) {
 141                 escputs((char *)icalproperty_get_comment(p));
 142         }
 143         wprintf("\"></TD></TR>\n");
 144
 145         wprintf("<TR><TD><B>");
 146         wprintf(_("Location"));
 147         wprintf("</B></TD><TD>\n"
 148                 "<INPUT TYPE=\"text\" NAME=\"location\" "
 149                 "MAXLENGTH=\"64\" SIZE=\"64\" VALUE=\"");
 150         p = icalcomponent_get_first_property(vevent, ICAL_LOCATION_PROPERTY);
 151         if (p != NULL) {
 152                 escputs((char *)icalproperty_get_comment(p));
 153         }
 154         wprintf("\"></TD></TR>\n");
 155
 156         wprintf("<TR><TD><B>");
 157         wprintf(_("Start"));
 158         wprintf("</B></TD><TD>\n");
 159         p = icalcomponent_get_first_property(vevent, ICAL_DTSTART_PROPERTY);
 160         if (p != NULL) {
 161                 t_start = icalproperty_get_dtstart(p);
 162                 if (t_start.is_date) {
 163                         t_start.hour = 0;
 164                         t_start.minute = 0;
 165                         t_start.second = 0;
 166                 }
 167         }
 168         else {
 169                 localtime_r(&now, &tm_now);
 170                 if (havebstr("year")) {
 171                         tm_now.tm_year = ibstr("year") - 1900;
 172                         tm_now.tm_mon = ibstr("month") - 1;
 173                         tm_now.tm_mday = ibstr("day");
 174                 }
 175                 if (havebstr("hour")) {
 176                         tm_now.tm_hour = ibstr("hour");
 177                         tm_now.tm_min = ibstr("minute");
 178                         tm_now.tm_sec = 0;
 179                 }
 180                 else {
 181                         tm_now.tm_hour = 0;
 182                         tm_now.tm_min = 0;
 183                         tm_now.tm_sec = 0;
 184                 }
 185
 186                 t_start = icaltime_from_timet_with_zone(
 187                         mktime(&tm_now),
 188                         ((yesbstr("alldayevent")) ? 1 : 0),
 189                         icaltimezone_get_utc_timezone()
 190                 );
 191                 t_start.is_utc = 1;
 192
 193         }
 194         display_icaltimetype_as_webform(&t_start, "dtstart");
 195
 196         wprintf("<INPUT TYPE=\"checkbox\" id=\"alldayevent\" NAME=\"alldayevent\" "
 197                 "VALUE=\"yes\" onclick=\"eventEditAllDay();\""
 198                 " %s >%s",
 199                 (t_start.is_date ? "CHECKED=\"CHECKED\"" : "" ),
 200                 _("All day event")
 201         );
 202
 203         wprintf("</TD></TR>\n");
 204
 205         /*
 206          * If this is an all-day-event, set the end time to be identical to
 207          * the start time (the hour/minute/second will be set to midnight).
 208          * Otherwise extract or create it.
 209          */
 210         wprintf("<TR><TD><B>");
 211         wprintf(_("End"));
 212         wprintf("</B></TD><TD id=\"dtendcell\">\n");
 213         if (t_start.is_date) {
 214                 t_end = t_start;
 215         }
 216         else {
 217                 p = icalcomponent_get_first_property(vevent,
 218                                                         ICAL_DTEND_PROPERTY);
 219                 if (p != NULL) {
 220                         t_end = icalproperty_get_dtend(p);
 221                 }
 222                 else {
 223                         /*
 224                          * If this is not an all-day event and there is no
 225                          * end time specified, make the default one hour
 226                          * from the start time.
 227                          */
 228                         t_end = t_start;
 229                         t_end.hour += 1;
 230                         t_end.second = 0;
 231                         t_end = icaltime_normalize(t_end);
 232                         /* t_end = icaltime_from_timet(now, 0); */
 233                 }
 234         }
 235         display_icaltimetype_as_webform(&t_end, "dtend");
 236         wprintf("</TD></TR>\n");
 237
 238         wprintf("<TR><TD><B>");
 239         wprintf(_("Notes"));
 240         wprintf("</B></TD><TD>\n"
 241                 "<TEXTAREA NAME=\"description\" wrap=soft "
 242                 "ROWS=5 COLS=80 WIDTH=80>\n"
 243         );
 244         p = icalcomponent_get_first_property(vevent, ICAL_DESCRIPTION_PROPERTY);
 245         if (p != NULL) {
 246                 escputs((char *)icalproperty_get_comment(p));
 247         }
 248         wprintf("</TEXTAREA></TD></TR>");
 249
 250         /**
 251          * For a new event, the user creating the event should be the
 252          * organizer.  Set this field accordingly.
 253          */
 254         if (icalcomponent_get_first_property(vevent, ICAL_ORGANIZER_PROPERTY)
 255            == NULL) {
 256                 sprintf(organizer_string, "MAILTO:%s", WC->cs_inet_email);
 257                 icalcomponent_add_property(vevent,
 258                         icalproperty_new_organizer(organizer_string)
 259                 );
 260         }
 261
 262         /**
 263          * Determine who is the organizer of this event.
 264          * We need to determine "me" or "not me."
 265          */
 266         organizer = icalcomponent_get_first_property(vevent, ICAL_ORGANIZER_PROPERTY);
 267         if (organizer != NULL) {
 268                 strcpy(organizer_string, icalproperty_get_organizer(organizer));
 269                 if (!strncasecmp(organizer_string, "MAILTO:", 7)) {
 270                         strcpy(organizer_string, &organizer_string[7]);
 271                         striplt(organizer_string);
 272                         serv_printf("ISME %s", organizer_string);
 273                         serv_getln(buf, sizeof buf);
 274                         if (buf[0] == '2') {
 275                                 organizer_is_me = 1;
 276                         }
 277                 }
 278         }
 279
 280         wprintf("<TR><TD><B>");
 281         wprintf(_("Organizer"));
 282         wprintf("</B></TD><TD>");
 283         escputs(organizer_string);
 284         if (organizer_is_me) {
 285                 wprintf(" <FONT SIZE=-1><I>");
 286                 wprintf(_("(you are the organizer)"));
 287                 wprintf("</I></FONT>\n");
 288         }
 289
 290         /**
 291          * Transmit the organizer as a hidden field.   We don't want the user
 292          * to be able to change it, but we do want it fed back to the server,
 293          * especially if this is a new event and there is no organizer already
 294          * in the calendar object.
 295          */
 296         wprintf("<INPUT TYPE=\"hidden\" NAME=\"organizer\" VALUE=\"");
 297         escputs(organizer_string);
 298         wprintf("\">");
 299
 300         wprintf("</TD></TR>\n");
 301
 302         /** Transparency */
 303         wprintf("<TR><TD><B>");
 304         wprintf(_("Show time as:"));
 305         wprintf("</B></TD><TD>");
 306
 307         p = icalcomponent_get_first_property(vevent, ICAL_TRANSP_PROPERTY);
 308         if (p == NULL) {
 309                 /** No transparency found.  Default to opaque (busy). */
 310                 p = icalproperty_new_transp(ICAL_TRANSP_OPAQUE);
 311                 if (p != NULL) {
 312                         icalcomponent_add_property(vevent, p);
 313                 }
 314         }
 315         if (p != NULL) {
 316                 v = icalproperty_get_value(p);
 317         }
 318         else {
 319                 v = NULL;
 320         }
 321
 322         wprintf("<INPUT TYPE=\"radio\" NAME=\"transp\" VALUE=\"transparent\"");
 323         if (v != NULL) if (icalvalue_get_transp(v) == ICAL_TRANSP_TRANSPARENT)
 324                 wprintf(" CHECKED");
 325         wprintf(">");
 326         wprintf(_("Free"));
 327         wprintf("&nbsp;&nbsp;");
 328
 329         wprintf("<INPUT TYPE=\"radio\" NAME=\"transp\" VALUE=\"opaque\"");
 330         if (v != NULL) if (icalvalue_get_transp(v) == ICAL_TRANSP_OPAQUE)
 331                 wprintf(" CHECKED");
 332         wprintf(">");
 333         wprintf(_("Busy"));
 334
 335         wprintf("</TD></TR>\n");
 336
 337
 338         /** Done with properties. */
 339         wprintf("</TABLE>\n");
 340
 341         end_tab(0, 3);
 342
 343         /* Attendees tab (need to move things here) */
 344         begin_tab(1, 3);
 345         wprintf("<TABLE border=0 width=100%%>\n");      /* same table style as the event tab */
 346         wprintf("<TR><TD><B>");
 347         wprintf(_("Attendees"));
 348         wprintf("</B><br />"
 349                 "<font size=-2>");
 350         wprintf(_("(One per line)"));
 351         wprintf("</font>\n");
 352
 353         /** Pop open an address book -- begin **/
 354         wprintf(
 355                 "&nbsp;<a href=\"javascript:PopOpenAddressBook('attendees_box|%s');\" "
 356                 "title=\"%s\">"
 357                 "<img align=middle border=0 width=24 height=24 src=\"static/viewcontacts_24x.gif\">"
 358                 "</a>",
 359                 _("Attendees"),
 360                 _("Contacts")
 361         );
 362         /* Pop open an address book -- end **/
 363
 364         wprintf("</TD><TD>"
 365                 "<TEXTAREA %s NAME=\"attendees\" id=\"attendees_box\" wrap=soft "
 366                 "ROWS=3 COLS=80 WIDTH=80>\n",
 367                 (organizer_is_me ? "" : "DISABLED ")
 368         );
 369         i = 0;
 370         for (attendee = icalcomponent_get_first_property(vevent, ICAL_ATTENDEE_PROPERTY);
 371             attendee != NULL;
 372             attendee = icalcomponent_get_next_property(vevent, ICAL_ATTENDEE_PROPERTY)) {
 373                 strcpy(attendee_string, icalproperty_get_attendee(attendee));
 374                 if (!strncasecmp(attendee_string, "MAILTO:", 7)) {
 375
 376                         /** screen name or email address */
 377                         strcpy(attendee_string, &attendee_string[7]);
 378                         striplt(attendee_string);
 379                         if (i++) wprintf("\n");
 380                         escputs(attendee_string);
 381                         wprintf(" ");
 382
 383                         /** participant status */
 384                         partstat_as_string(buf, attendee);
 385                         escputs(buf);
 386                 }
 387         }
 388         wprintf("</TEXTAREA></TD></TR>\n");
 389         wprintf("</TABLE>\n");
 390         end_tab(1, 3);
 391
 392         /* Recurrence tab */
 393         begin_tab(2, 3);
 394         icalproperty *rrule = NULL;
 395         struct icalrecurrencetype recur;
 396
 397         rrule = icalcomponent_get_first_property(vevent, ICAL_RRULE_PROPERTY);
 398         if (rrule) {
 399                 recur = icalproperty_get_rrule(rrule);
 400         }
 401         else {
 402                 /* blank recurrence with some sensible defaults */
 403                 memset(&recur, 0, sizeof(struct icalrecurrencetype));
 404                 recur.count = 3;
 405                 recur.interval = 1;
 406                 recur.freq = ICAL_WEEKLY_RECURRENCE;
 407         }
 408
 409         wprintf("<INPUT TYPE=\"checkbox\" id=\"is_recur\" NAME=\"is_recur\" "
 410                 "VALUE=\"yes\" "
 411                 "onclick=\"RecurrenceShowHide();\""
 412                 " %s >%s",
 413                 (rrule ? "CHECKED=\"CHECKED\"" : "" ),
 414                 _("This is a repeating event")
 415         );
 416
 417         wprintf("<div id=\"rrule\">\n");                /* begin 'rrule' div */
 418
 419         wprintf("<table border=0 width=100%%>\n");      /* same table style as the event tab */
 420
 421         /* Table row displaying raw RRULE data, FIXME remove when finished */
 422         if (rrule) {
 423                 wprintf("<tr><td><b>");
 424                 wprintf("Raw data");
 425                 wprintf("</b></td><td>");
 426                 wprintf("<tt>%s</tt>", icalrecurrencetype_as_string(&recur));
 427                 wprintf("</td></tr>\n");
 428         }
 429
 430         char *frequency_units[] = {
 431                 _("seconds"),
 432                 _("minutes"),
 433                 _("hours"),
 434                 _("days"),
 435                 _("weeks"),
 436                 _("months"),
 437                 _("years"),
 438                 _("never")
 439         };
 440
 441         wprintf("<tr><td><b>");
 442         wprintf(_("Repeats"));
 443         wprintf("</b></td><td>");
 444         if ((recur.freq < 0) || (recur.freq > 6)) recur.freq = 4;
 445         wprintf("%s ", _("every"));
 446
 447         wprintf("<input type=\"text\" name=\"interval\" maxlength=\"3\" size=\"3\" ");
 448         wprintf("value=\"%d\"> ", recur.interval);
 449
 450         wprintf("<select name=\"freq\" id=\"freq_selector\" size=\"1\" "
 451                 "onclick=\"RecurrenceShowHide();\">\n");
 452         for (i=0; i<(sizeof frequency_units / sizeof(char *)); ++i) {
 453
 454                 /* We only want to offer daily, weekly, monthly, or yearly, which are
 455                  * options 3 through 6, but if one of the others hapens to be selected,
 456                  * we will grudgingly add it to the list of options.
 457                  */
 458                 if ( (i == recur.freq) || ((i>=3) && (i<=6)) ) {
 459                         wprintf("<option %s value=\"%d\">%s</option>\n",
 460                                 ((i == recur.freq) ? "selected" : ""),
 461                                 i,
 462                                 frequency_units[i]
 463                         );
 464                 }
 465         }
 466
 467         wprintf("</td></tr>\n");
 468
 469
 470         wprintf("<div id=\"weekday_selector\">\n");             /* begin 'weekday_selector' div */
 471         wprintf("<tr><td><b>");
 472         wprintf("%s", _("on these weekdays:"));
 473         wprintf("</b></td><td>");
 474
 475         char weekday_is_selected[7];
 476         memset(weekday_is_selected, 0, 7);
 477
 478         for (i=0; i<ICAL_BY_DAY_SIZE; ++i) {
 479                 if (recur.by_day[i] == ICAL_RECURRENCE_ARRAY_MAX) {
 480                         i = ICAL_RECURRENCE_ARRAY_MAX;                  /* all done */
 481                 }
 482                 else {
 483                         for (j=0; j<7; ++j) {
 484                                 if (icalrecurrencetype_day_day_of_week(recur.by_day[i]) == j+1) {
 485                                         weekday_is_selected[j] = 1;
 486                                 }
 487                         }
 488                 }
 489         }
 490
 491         for (i=0; i<7; ++i) {
 492                 wprintf("<input type=\"checkbox\" name=\"weekday%d\" value=\"yes\"", i);
 493                 if (weekday_is_selected[i]) wprintf(" checked");
 494                 wprintf(">%s</input>\n", weekday_labels[i]);
 495         }
 496
 497         wprintf("</td></tr>\n");
 498         wprintf("</div>\n");                            /* end 'weekday_selector' div */
 499
 500         wprintf("</table>\n");
 501         wprintf("</div>\n");                            /* end 'rrule' div */
 502
 503         end_tab(2, 3);
 504
 505         /* submit buttons (common area beneath the tabs) */
 506         begin_tab(3, 3);
 507         wprintf("<CENTER>"
 508                 "<INPUT TYPE=\"submit\" NAME=\"save_button\" VALUE=\"%s\">"
 509                 "&nbsp;&nbsp;"
 510                 "<INPUT TYPE=\"submit\" NAME=\"delete_button\" VALUE=\"%s\">\n"
 511                 "&nbsp;&nbsp;"
 512                 "<INPUT TYPE=\"submit\" NAME=\"check_button\" "
 513                                 "VALUE=\"%s\">\n"
 514                 "&nbsp;&nbsp;"
 515                 "<INPUT TYPE=\"submit\" NAME=\"cancel_button\" VALUE=\"%s\">\n"
 516                 "</CENTER>\n",
 517                 _("Save"),
 518                 _("Delete"),
 519                 _("Check attendee availability"),
 520                 _("Cancel")
 521         );
 522         wprintf("</FORM>\n");
 523         end_tab(3, 3);
 524
 525         wprintf("</div>\n");
 526
 527         wprintf("<script type=\"text/javascript\">      \n"
 528                 "eventEditAllDay();     \n"
 529                 "RecurrenceShowHide();  \n"
 530                 "</script>      \n"
 531         );
 532         address_book_popup();
 533         wDumpContent(1);
 534
 535         if (created_new_vevent) {
 536                 icalcomponent_free(vevent);
 537         }
 538 }
 539
 540 /*
 541  * Save an edited event
 542  *
 543  * supplied_vevent:     the event to save
 544  * msgnum:              the index on the citserver
 545  */
 546 void save_individual_event(icalcomponent *supplied_vevent, long msgnum, char *from, int unread) {
 547         char buf[SIZ];
 548         icalproperty *prop;
 549         icalcomponent *vevent, *encaps;
 550         int created_new_vevent = 0;
 551         int all_day_event = 0;
 552         struct icaltimetype event_start, t;
 553         icalproperty *attendee = NULL;
 554         char attendee_string[SIZ];
 555         int i, j;
 556         int foundit;
 557         char form_attendees[SIZ];
 558         char organizer_string[SIZ];
 559         int sequence = 0;
 560         enum icalproperty_transp formtransp = ICAL_TRANSP_NONE;
 561
 562         if (supplied_vevent != NULL) {
 563                 vevent = supplied_vevent;
 564                 /**
 565                  * If we're looking at a fully encapsulated VCALENDAR
 566                  * rather than a VEVENT component, attempt to use the first
 567                  * relevant VEVENT subcomponent.  If there is none, the
 568                  * NULL returned by icalcomponent_get_first_component() will
 569                  * tell the next iteration of this function to create a
 570                  * new one.
 571                  */
 572                 if (icalcomponent_isa(vevent) == ICAL_VCALENDAR_COMPONENT) {
 573                         save_individual_event(
 574                                 icalcomponent_get_first_component(
 575                                         vevent, ICAL_VEVENT_COMPONENT),
 576                                 msgnum, from, unread
 577                         );
 578                         return;
 579                 }
 580         }
 581         else {
 582                 vevent = icalcomponent_new(ICAL_VEVENT_COMPONENT);
 583                 created_new_vevent = 1;
 584         }
 585
 586         if ( (havebstr("save_button"))
 587            || (havebstr("check_button")) ) {
 588
 589                 /** Replace values in the component with ones from the form */
 590
 591                 while (prop = icalcomponent_get_first_property(vevent,
 592                       ICAL_SUMMARY_PROPERTY), prop != NULL) {
 593                         icalcomponent_remove_property(vevent, prop);
 594                         icalproperty_free(prop);
 595                 }
 596
 597                 if (havebstr("summary")) {
 598
 599                         icalcomponent_add_property(vevent,
 600                                         icalproperty_new_summary(bstr("summary")));
 601                 } else {
 602                         icalcomponent_add_property(vevent,
 603                                         icalproperty_new_summary("Untitled Event"));
 604                 }
 605
 606                 while (prop = icalcomponent_get_first_property(vevent,
 607                                         ICAL_LOCATION_PROPERTY), prop != NULL) {
 608                         icalcomponent_remove_property(vevent, prop);
 609                         icalproperty_free(prop);
 610                 }
 611                 if (havebstr("location")) {
 612                         icalcomponent_add_property(vevent,
 613                                         icalproperty_new_location(bstr("location")));
 614                 }
 615                 while (prop = icalcomponent_get_first_property(vevent,
 616                                   ICAL_DESCRIPTION_PROPERTY), prop != NULL) {
 617                         icalcomponent_remove_property(vevent, prop);
 618                         icalproperty_free(prop);
 619                 }
 620                 if (havebstr("description")) {
 621                         icalcomponent_add_property(vevent,
 622                                 icalproperty_new_description(bstr("description")));
 623                 }
 624
 625                 while (prop = icalcomponent_get_first_property(vevent,
 626                       ICAL_DTSTART_PROPERTY), prop != NULL) {
 627                         icalcomponent_remove_property(vevent, prop);
 628                         icalproperty_free(prop);
 629                 }
 630
 631                 if (yesbstr("alldayevent")) {
 632                         all_day_event = 1;
 633                 }
 634                 else {
 635                         all_day_event = 0;
 636                 }
 637
 638                 if (all_day_event) {
 639                         icaltime_from_webform_dateonly(&event_start, "dtstart");
 640                 }
 641                 else {
 642                         icaltime_from_webform(&event_start, "dtstart");
 643                 }
 644
 645                 /**
 646                  * The following odd-looking snippet of code looks like it
 647                  * takes some unnecessary steps.  It is done this way because
 648                  * libical incorrectly turns an "all day event" into a normal
 649                  * event starting at midnight (i.e. it serializes as date/time
 650                  * instead of just date) unless icalvalue_new_date() is used.
 651                  * So we force it, if this is an all day event.
 652                  */
 653                 prop = icalproperty_new_dtstart(event_start);
 654                 if (all_day_event) {
 655                         icalproperty_set_value(prop, icalvalue_new_date(event_start));
 656                 }
 657
 658                 if (prop) icalcomponent_add_property(vevent, prop);
 659                 else icalproperty_free(prop);
 660
 661                 while (prop = icalcomponent_get_first_property(vevent,
 662                       ICAL_DTEND_PROPERTY), prop != NULL) {
 663                         icalcomponent_remove_property(vevent, prop);
 664                         icalproperty_free(prop);
 665                 }
 666                 while (prop = icalcomponent_get_first_property(vevent,
 667                       ICAL_DURATION_PROPERTY), prop != NULL) {
 668                         icalcomponent_remove_property(vevent, prop);
 669                         icalproperty_free(prop);
 670                 }
 671
 672                 if (all_day_event == 0) {
 673                         icaltime_from_webform(&t, "dtend");
 674                         icalcomponent_add_property(vevent,
 675                                 icalproperty_new_dtend(icaltime_normalize(t)
 676                                 )
 677                         );
 678                 }
 679
 680                 /** See if transparency is indicated */
 681                 if (havebstr("transp")) {
 682                         if (!strcasecmp(bstr("transp"), "opaque")) {
 683                                 formtransp = ICAL_TRANSP_OPAQUE;
 684                         }
 685                         else if (!strcasecmp(bstr("transp"), "transparent")) {
 686                                 formtransp = ICAL_TRANSP_TRANSPARENT;
 687                         }
 688
 689                         while (prop = icalcomponent_get_first_property(vevent, ICAL_TRANSP_PROPERTY),
 690                               (prop != NULL)) {
 691                                 icalcomponent_remove_property(vevent, prop);
 692                                 icalproperty_free(prop);
 693                         }
 694
 695                         icalcomponent_add_property(vevent, icalproperty_new_transp(formtransp));
 696                 }
 697
 698                 /** Give this event a UID if it doesn't have one. */
 699                 if (icalcomponent_get_first_property(vevent,
 700                    ICAL_UID_PROPERTY) == NULL) {
 701                         generate_uuid(buf);
 702                         icalcomponent_add_property(vevent, icalproperty_new_uid(buf));
 703                 }
 704
 705                 /** Increment the sequence ID */
 706                 while (prop = icalcomponent_get_first_property(vevent,
 707                       ICAL_SEQUENCE_PROPERTY), (prop != NULL) ) {
 708                         i = icalproperty_get_sequence(prop);
 709                         if (i > sequence) sequence = i;
 710                         icalcomponent_remove_property(vevent, prop);
 711                         icalproperty_free(prop);
 712                 }
 713                 ++sequence;
 714                 icalcomponent_add_property(vevent,
 715                         icalproperty_new_sequence(sequence)
 716                 );
 717
 718                 /**
 719                  * Set the organizer, only if one does not already exist *and*
 720                  * the form is supplying one
 721                  */
 722                 strcpy(buf, bstr("organizer"));
 723                 if ( (icalcomponent_get_first_property(vevent,
 724                    ICAL_ORGANIZER_PROPERTY) == NULL)
 725                    && (!IsEmptyStr(buf)) ) {
 726
 727                         /** set new organizer */
 728                         sprintf(organizer_string, "MAILTO:%s", buf);
 729                         icalcomponent_add_property(vevent,
 730                                 icalproperty_new_organizer(organizer_string)
 731                         );
 732
 733                 }
 734
 735                 /**
 736                  * Add any new attendees listed in the web form
 737                  */
 738
 739                 /* First, strip out the parenthesized partstats.  */
 740                 strcpy(form_attendees, bstr("attendees"));
 741                 stripout(form_attendees, '(', ')');
 742
 743                 /* Next, change any commas to newlines, because we want newline-separated attendees. */
 744                 j = strlen(form_attendees);
 745                 for (i=0; i<j; ++i) {
 746                         if (form_attendees[i] == ',') {
 747                                 form_attendees[i] = '\n';
 748                                 while (isspace(form_attendees[i+1])) {
 749                                         strcpy(&form_attendees[i+1], &form_attendees[i+2]);
 750                                 }
 751                         }
 752                 }
 753
 754                 /** Now iterate! */
 755                 for (i=0; i<num_tokens(form_attendees, '\n'); ++i) {
 756                         extract_token(buf, form_attendees, i, '\n', sizeof buf);
 757                         striplt(buf);
 758                         if (!IsEmptyStr(buf)) {
 759                                 sprintf(attendee_string, "MAILTO:%s", buf);
 760                                 foundit = 0;
 761
 762                                 for (attendee = icalcomponent_get_first_property(vevent, ICAL_ATTENDEE_PROPERTY); attendee != NULL; attendee = icalcomponent_get_next_property(vevent, ICAL_ATTENDEE_PROPERTY)) {
 763                                         if (!strcasecmp(attendee_string,
 764                                            icalproperty_get_attendee(attendee)))
 765                                                 ++foundit;
 766                                 }
 767
 768
 769                                 if (foundit == 0) {
 770                                         icalcomponent_add_property(vevent,
 771                                                 icalproperty_new_attendee(attendee_string)
 772                                         );
 773                                 }
 774                         }
 775                 }
 776
 777                 /**
 778                  * Remove any attendees *not* listed in the web form
 779                  */
 780 STARTOVER:      for (attendee = icalcomponent_get_first_property(vevent, ICAL_ATTENDEE_PROPERTY); attendee != NULL; attendee = icalcomponent_get_next_property(vevent, ICAL_ATTENDEE_PROPERTY)) {
 781                         strcpy(attendee_string, icalproperty_get_attendee(attendee));
 782                         if (!strncasecmp(attendee_string, "MAILTO:", 7)) {
 783                                 strcpy(attendee_string, &attendee_string[7]);
 784                                 striplt(attendee_string);
 785                                 foundit = 0;
 786                                 for (i=0; i<num_tokens(form_attendees, '\n'); ++i) {
 787                                         extract_token(buf, form_attendees, i, '\n', sizeof buf);
 788                                         striplt(buf);
 789                                         if (!strcasecmp(buf, attendee_string)) ++foundit;
 790                                 }
 791                                 if (foundit == 0) {
 792                                         icalcomponent_remove_property(vevent, attendee);
 793                                         icalproperty_free(attendee);
 794                                         goto STARTOVER;
 795                                 }
 796                         }
 797                 }
 798
 799                 /**
 800                  * Encapsulate event into full VCALENDAR component.  Clone it first,
 801                  * for two reasons: one, it's easier to just free the whole thing
 802                  * when we're done instead of unbundling, but more importantly, we
 803                  * can't encapsulate something that may already be encapsulated
 804                  * somewhere else.
 805                  */
 806                 encaps = ical_encapsulate_subcomponent(icalcomponent_new_clone(vevent));
 807
 808                 /* Set the method to PUBLISH */
 809                 icalcomponent_set_method(encaps, ICAL_METHOD_PUBLISH);
 810
 811                 /** If the user clicked 'Save' then save it to the server. */
 812                 if ( (encaps != NULL) && (havebstr("save_button")) ) {
 813                         serv_puts("ENT0 1|||4|||1|");
 814                         serv_getln(buf, sizeof buf);
 815                         if (buf[0] == '8') {
 816                                 serv_puts("Content-type: text/calendar");
 817                                 serv_puts("");
 818                                 serv_puts(icalcomponent_as_ical_string(encaps));
 819                                 serv_puts("000");
 820                         }
 821                         if ( (buf[0] == '8') || (buf[0] == '4') ) {
 822                                 while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
 823                                 }
 824                         }
 825                         if (buf[0] == '2') {
 826                                 strcpy(WC->ImportantMessage, &buf[4]);
 827                         }
 828                         icalmemory_free_ring ();
 829                         icalcomponent_free(encaps);
 830                         encaps = NULL;
 831                 }
 832
 833                 /** Or, check attendee availability if the user asked for that. */
 834                 if ( (encaps != NULL) && (havebstr("check_button")) ) {
 835
 836                         /* Call this function, which does the real work */
 837                         check_attendee_availability(encaps);
 838
 839                         /** This displays the form again, with our annotations */
 840                         display_edit_individual_event(encaps, msgnum, from, unread);
 841
 842                         icalcomponent_free(encaps);
 843                         encaps = NULL;
 844                 }
 845                 if (encaps != NULL) {
 846                         icalcomponent_free(encaps);
 847                         encaps = NULL;
 848                 }
 849
 850         }
 851
 852         /*
 853          * If the user clicked 'Delete' then delete it.
 854          */
 855         if ( (havebstr("delete_button")) && (msgnum > 0L) ) {
 856                 serv_printf("DELE %ld", lbstr("msgnum"));
 857                 serv_getln(buf, sizeof buf);
 858         }
 859
 860         if (created_new_vevent) {
 861                 icalcomponent_free(vevent);
 862         }
 863
 864         /* If this was a save or delete, go back to the calendar view. */
 865         if (!havebstr("check_button")) {
 866                 readloop("readfwd");
 867         }
 868 }