webcit/event.c

   1 /*
   2  * $Id$
   3  *
   4  * Editing calendar events.
   5  *
   6  */
   7
   8 #include "webcit.h"
   9 #include "webserver.h"
  10
  11
  12 #ifdef WEBCIT_WITH_CALENDAR_SERVICE
  13
  14 /*
  15  * Display an event by itself (for editing)
  16  */
  17 void display_edit_individual_event(icalcomponent *supplied_vevent, long msgnum) {
  18         icalcomponent *vevent;
  19         icalproperty *p;
  20         icalvalue *v;
  21         struct icaltimetype t_start, t_end;
  22         time_t now;
  23         struct tm tm_now;
  24         int created_new_vevent = 0;
  25         icalproperty *organizer = NULL;
  26         char organizer_string[SIZ];
  27         icalproperty *attendee = NULL;
  28         char attendee_string[SIZ];
  29         char buf[SIZ];
  30         int organizer_is_me = 0;
  31         int i;
  32         int sequence = 0;
  33
  34         now = time(NULL);
  35         strcpy(organizer_string, "");
  36         strcpy(attendee_string, "");
  37
  38         if (supplied_vevent != NULL) {
  39                 vevent = supplied_vevent;
  40                 /* If we're looking at a fully encapsulated VCALENDAR
  41                  * rather than a VEVENT component, attempt to use the first
  42                  * relevant VEVENT subcomponent.  If there is none, the
  43                  * NULL returned by icalcomponent_get_first_component() will
  44                  * tell the next iteration of this function to create a
  45                  * new one.
  46                  */
  47                 if (icalcomponent_isa(vevent) == ICAL_VCALENDAR_COMPONENT) {
  48                         display_edit_individual_event(
  49                                 icalcomponent_get_first_component(
  50                                         vevent, ICAL_VEVENT_COMPONENT
  51                                 ), msgnum
  52                         );
  53                         return;
  54                 }
  55         }
  56         else {
  57                 vevent = icalcomponent_new(ICAL_VEVENT_COMPONENT);
  58                 created_new_vevent = 1;
  59         }
  60
  61         /* Learn the sequence */
  62         p = icalcomponent_get_first_property(vevent, ICAL_SEQUENCE_PROPERTY);
  63         if (p != NULL) {
  64                 sequence = icalproperty_get_sequence(p);
  65         }
  66
  67         /* Begin output */
  68         output_headers(1, 1, 2, 0, 0, 0);
  69         wprintf("<div id=\"banner\">\n"
  70                 "<TABLE WIDTH=100%% BORDER=0 BGCOLOR=\"#444455\"><TR><TD>"
  71                 "<SPAN CLASS=\"titlebar\">");
  72         wprintf(_("Add or edit an event"));
  73         wprintf("</SPAN>"
  74                 "</TD></TR></TABLE>\n"
  75                 "</div>\n<div id=\"content\">\n"
  76         );
  77
  78         wprintf("<script type=\"text/javascript\">"
  79                 "function grey_all_day() { "
  80                         "if (document.EventForm.alldayevent.checked) {"
  81                                 "document.EventForm.dtstart_hour.value='0';"
  82                                 "document.EventForm.dtstart_hour.disabled = true;"
  83                                 "document.EventForm.dtstart_minute.value='0';"
  84                                 "document.EventForm.dtstart_minute.disabled = true;"
  85                                 "document.EventForm.dtend_hour.value='0';"
  86                                 "document.EventForm.dtend_hour.disabled = true;"
  87                                 "document.EventForm.dtend_minute.value='0';"
  88                                 "document.EventForm.dtend_minute.disabled = true;"
  89                                 "document.EventForm.dtend_month.disabled = true;"
  90                                 "document.EventForm.dtend_day.disabled = true;"
  91                                 "document.EventForm.dtend_year.disabled = true;"
  92                         "}"
  93                         "else {"
  94                                 "document.EventForm.dtstart_hour.disabled = false;"
  95                                 "document.EventForm.dtstart_minute.disabled = false;"
  96                                 "document.EventForm.dtend_hour.disabled = false;"
  97                                 "document.EventForm.dtend_minute.disabled = false;"
  98                                 "document.EventForm.dtend_month.disabled = false;"
  99                                 "document.EventForm.dtend_day.disabled = false;"
 100                                 "document.EventForm.dtend_year.disabled = false;"
 101                         "}"
 102                 "}"
 103                 "</script>\n"
 104         );
 105
 106
 107         wprintf("<div class=\"fix_scrollbar_bug\">"
 108                 "<table border=0 width=100%% bgcolor=\"#ffffff\"><tr><td>\n");
 109
 110         /************************************************************
 111          * Uncomment this to see the UID in calendar events for debugging
 112         wprintf("UID == ");
 113         p = icalcomponent_get_first_property(vevent, ICAL_UID_PROPERTY);
 114         if (p != NULL) {
 115                 escputs((char *)icalproperty_get_comment(p));
 116         }
 117         wprintf("<br />\n");
 118         wprintf("SEQUENCE == %d<br />\n", sequence);
 119         *************************************************************/
 120
 121         wprintf("<FORM NAME=\"EventForm\" METHOD=\"POST\" action=\"save_event\">\n");
 122
 123         wprintf("<INPUT TYPE=\"hidden\" NAME=\"msgnum\" VALUE=\"%ld\">\n",
 124                 msgnum);
 125         wprintf("<INPUT TYPE=\"hidden\" NAME=\"calview\" VALUE=\"%s\">\n",
 126                 bstr("calview"));
 127         wprintf("<INPUT TYPE=\"hidden\" NAME=\"year\" VALUE=\"%s\">\n",
 128                 bstr("year"));
 129         wprintf("<INPUT TYPE=\"hidden\" NAME=\"month\" VALUE=\"%s\">\n",
 130                 bstr("month"));
 131         wprintf("<INPUT TYPE=\"hidden\" NAME=\"day\" VALUE=\"%s\">\n",
 132                 bstr("day"));
 133
 134         /* Put it in a borderless table so it lines up nicely */
 135         wprintf("<TABLE border=0 width=100%%>\n");
 136
 137         wprintf("<TR><TD><B>");
 138         wprintf(_("Summary"));
 139         wprintf("</B></TD><TD>\n"
 140                 "<INPUT TYPE=\"text\" NAME=\"summary\" "
 141                 "MAXLENGTH=\"64\" SIZE=\"64\" VALUE=\"");
 142         p = icalcomponent_get_first_property(vevent, ICAL_SUMMARY_PROPERTY);
 143         if (p != NULL) {
 144                 escputs((char *)icalproperty_get_comment(p));
 145         }
 146         wprintf("\"></TD></TR>\n");
 147
 148         wprintf("<TR><TD><B>");
 149         wprintf(_("Location"));
 150         wprintf("</B></TD><TD>\n"
 151                 "<INPUT TYPE=\"text\" NAME=\"location\" "
 152                 "MAXLENGTH=\"64\" SIZE=\"64\" VALUE=\"");
 153         p = icalcomponent_get_first_property(vevent, ICAL_LOCATION_PROPERTY);
 154         if (p != NULL) {
 155                 escputs((char *)icalproperty_get_comment(p));
 156         }
 157         wprintf("\"></TD></TR>\n");
 158
 159         wprintf("<TR><TD><B>");
 160         wprintf(_("Start"));
 161         wprintf("</B></TD><TD>\n");
 162         p = icalcomponent_get_first_property(vevent, ICAL_DTSTART_PROPERTY);
 163         if (p != NULL) {
 164                 t_start = icalproperty_get_dtstart(p);
 165                 if (t_start.is_date) {
 166                         t_start.hour = 0;
 167                         t_start.minute = 0;
 168                         t_start.second = 0;
 169                 }
 170         }
 171         else {
 172                 localtime_r(&now, &tm_now);
 173                 if (strlen(bstr("year")) > 0) {
 174                         tm_now.tm_year = atoi(bstr("year")) - 1900;
 175                         tm_now.tm_mon = atoi(bstr("month")) - 1;
 176                         tm_now.tm_mday = atoi(bstr("day"));
 177                 }
 178                 if (strlen(bstr("hour")) > 0) {
 179                         tm_now.tm_hour = atoi(bstr("hour"));
 180                         tm_now.tm_min = atoi(bstr("minute"));
 181                         tm_now.tm_sec = 0;
 182                 }
 183                 else {
 184                         tm_now.tm_hour = 9;
 185                         tm_now.tm_min = 0;
 186                         tm_now.tm_sec = 0;
 187                 }
 188
 189                 t_start = icaltime_from_timet_with_zone(
 190                         mktime(&tm_now),
 191                         ((!strcasecmp(bstr("alldayevent"), "yes")) ? 1 : 0),
 192                         icaltimezone_get_utc_timezone()
 193                 );
 194                 t_start.is_utc = 1;
 195
 196         }
 197         display_icaltimetype_as_webform(&t_start, "dtstart");
 198
 199         wprintf("<INPUT TYPE=\"checkbox\" NAME=\"alldayevent\" "
 200                 "VALUE=\"yes\" onClick=\"grey_all_day();\""
 201                 " %s >%s",
 202                 (t_start.is_date ? "CHECKED" : "" ),
 203                 _("All day event")
 204         );
 205
 206         wprintf("</TD></TR>\n");
 207
 208         /* If this is an all-day-event, set the end time to be identical to
 209          * the start time (the hour/minute/second will be set to midnight).
 210          * Otherwise extract or create it.
 211          */
 212         wprintf("<TR><TD><B>");
 213         wprintf(_("End"));
 214         wprintf("</B></TD><TD>\n");
 215         if (t_start.is_date) {
 216                 t_end = t_start;
 217         }
 218         else {
 219                 p = icalcomponent_get_first_property(vevent,
 220                                                         ICAL_DTEND_PROPERTY);
 221                 if (p != NULL) {
 222                         t_end = icalproperty_get_dtend(p);
 223                 }
 224                 else {
 225                         /* If this is not an all-day event and there is no
 226                          * end time specified, make the default one hour
 227                          * from the start time.
 228                          */
 229                         t_end = t_start;
 230                         t_end.hour += 1;
 231                         t_end.second = 0;
 232                         t_end = icaltime_normalize(t_end);
 233                         /* t_end = icaltime_from_timet(now, 0); */
 234                 }
 235         }
 236         display_icaltimetype_as_webform(&t_end, "dtend");
 237         wprintf("</TD></TR>\n");
 238
 239         wprintf("<TR><TD><B>");
 240         wprintf(_("Notes"));
 241         wprintf("</B></TD><TD>\n"
 242                 "<TEXTAREA NAME=\"description\" wrap=soft "
 243                 "ROWS=5 COLS=80 WIDTH=80>\n"
 244         );
 245         p = icalcomponent_get_first_property(vevent, ICAL_DESCRIPTION_PROPERTY);
 246         if (p != NULL) {
 247                 escputs((char *)icalproperty_get_comment(p));
 248         }
 249         wprintf("</TEXTAREA></TD></TR>");
 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         /* Determine who is the organizer of this event.
 263          * We need to determine "me" or "not me."
 264          */
 265         organizer = icalcomponent_get_first_property(vevent,
 266                                                 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                         lprintf(9, "ISME %s\n", organizer_string);
 273                         serv_printf("ISME %s", organizer_string);
 274                         serv_getln(buf, sizeof buf);
 275                         lprintf(9, "%s\n", buf);
 276                         if (buf[0] == '2') {
 277                                 organizer_is_me = 1;
 278                         }
 279                 }
 280         }
 281
 282         wprintf("<TR><TD><B>");
 283         wprintf(_("Organizer"));
 284         wprintf("</B></TD><TD>");
 285         escputs(organizer_string);
 286         if (organizer_is_me) {
 287                 wprintf(" <FONT SIZE=-1><I>");
 288                 wprintf(_("(you are the organizer)"));
 289                 wprintf("</I></FONT>\n");
 290         }
 291
 292         /*
 293          * Transmit the organizer as a hidden field.   We don't want the user
 294          * to be able to change it, but we do want it fed back to the server,
 295          * especially if this is a new event and there is no organizer already
 296          * in the calendar object.
 297          */
 298         wprintf("<INPUT TYPE=\"hidden\" NAME=\"organizer\" VALUE=\"");
 299         escputs(organizer_string);
 300         wprintf("\">");
 301
 302         wprintf("</TD></TR>\n");
 303
 304         /* Transparency */
 305         wprintf("<TR><TD><B>");
 306         wprintf(_("Show time as:"));
 307         wprintf("</B></TD><TD>");
 308
 309         p = icalcomponent_get_first_property(vevent, ICAL_TRANSP_PROPERTY);
 310         if (p == NULL) {
 311                 /* No transparency found.  Default to opaque (busy). */
 312                 p = icalproperty_new_transp(ICAL_TRANSP_OPAQUE);
 313                 if (p != NULL) {
 314                         icalcomponent_add_property(vevent, p);
 315                 }
 316         }
 317         if (p != NULL) {
 318                 v = icalproperty_get_value(p);
 319         }
 320         else {
 321                 v = NULL;
 322         }
 323
 324         wprintf("<INPUT TYPE=\"radio\" NAME=\"transp\" VALUE=\"transparent\"");
 325         if (v != NULL) if (icalvalue_get_transp(v) == ICAL_TRANSP_TRANSPARENT)
 326                 wprintf(" CHECKED");
 327         wprintf(">");
 328         wprintf(_("Free"));
 329         wprintf("&nbsp;&nbsp;");
 330
 331         wprintf("<INPUT TYPE=\"radio\" NAME=\"transp\" VALUE=\"opaque\"");
 332         if (v != NULL) if (icalvalue_get_transp(v) == ICAL_TRANSP_OPAQUE)
 333                 wprintf(" CHECKED");
 334         wprintf(">");
 335         wprintf(_("Busy"));
 336
 337         wprintf("</TD></TR>\n");
 338
 339         /* Attendees */
 340         wprintf("<TR><TD><B>");
 341         wprintf(_("Attendees"));
 342         wprintf("</B><br />"
 343                 "<FONT SIZE=-2>");
 344         wprintf(_("(One per line)"));
 345         wprintf("</FONT></TD><TD>"
 346                 "<TEXTAREA %s NAME=\"attendees\" wrap=soft "
 347                 "ROWS=3 COLS=80 WIDTH=80>\n",
 348                 (organizer_is_me ? "" : "DISABLED ")
 349         );
 350         i = 0;
 351         for (attendee = icalcomponent_get_first_property(vevent, ICAL_ATTENDEE_PROPERTY);
 352             attendee != NULL;
 353             attendee = icalcomponent_get_next_property(vevent, ICAL_ATTENDEE_PROPERTY)) {
 354                 strcpy(attendee_string, icalproperty_get_attendee(attendee));
 355                 if (!strncasecmp(attendee_string, "MAILTO:", 7)) {
 356
 357                         /* screen name or email address */
 358                         strcpy(attendee_string, &attendee_string[7]);
 359                         striplt(attendee_string);
 360                         if (i++) wprintf("\n");
 361                         escputs(attendee_string);
 362                         wprintf(" ");
 363
 364                         /* participant status */
 365                         partstat_as_string(buf, attendee);
 366                         escputs(buf);
 367                 }
 368         }
 369         wprintf("</TEXTAREA></TD></TR>\n");
 370
 371         /* Done with properties. */
 372         wprintf("</TABLE>\n<CENTER>"
 373                 "<INPUT TYPE=\"submit\" NAME=\"save_button\" VALUE=\"%s\">"
 374                 "&nbsp;&nbsp;"
 375                 "<INPUT TYPE=\"submit\" NAME=\"delete_button\" VALUE=\"%s\">\n"
 376                 "&nbsp;&nbsp;"
 377                 "<INPUT TYPE=\"submit\" NAME=\"check_button\" "
 378                                 "VALUE=\"%s\">\n"
 379                 "&nbsp;&nbsp;"
 380                 "<INPUT TYPE=\"submit\" NAME=\"cancel_button\" VALUE=\"%s\">\n"
 381                 "</CENTER>\n",
 382                 _("Save"),
 383                 _("Delete"),
 384                 _("Check attendee availability"),
 385                 _("Cancel")
 386         );
 387
 388         wprintf("</FORM>\n");
 389
 390         wprintf("</td></tr></table></div>\n");
 391         wprintf("<script type=\"text/javascript\">"
 392                 "grey_all_day();"
 393                 "</script>\n"
 394         );
 395         wDumpContent(1);
 396
 397         if (created_new_vevent) {
 398                 icalcomponent_free(vevent);
 399         }
 400 }
 401
 402 /*
 403  * Save an edited event
 404  *
 405  */
 406 void save_individual_event(icalcomponent *supplied_vevent, long msgnum) {
 407         char buf[SIZ];
 408         icalproperty *prop;
 409         icalcomponent *vevent, *encaps;
 410         int created_new_vevent = 0;
 411         int all_day_event = 0;
 412         struct icaltimetype event_start, t;
 413         icalproperty *attendee = NULL;
 414         char attendee_string[SIZ];
 415         int i;
 416         int foundit;
 417         char form_attendees[SIZ];
 418         char organizer_string[SIZ];
 419         int sequence = 0;
 420         enum icalproperty_transp formtransp = ICAL_TRANSP_NONE;
 421
 422         if (supplied_vevent != NULL) {
 423                 vevent = supplied_vevent;
 424                 /* If we're looking at a fully encapsulated VCALENDAR
 425                  * rather than a VEVENT component, attempt to use the first
 426                  * relevant VEVENT subcomponent.  If there is none, the
 427                  * NULL returned by icalcomponent_get_first_component() will
 428                  * tell the next iteration of this function to create a
 429                  * new one.
 430                  */
 431                 if (icalcomponent_isa(vevent) == ICAL_VCALENDAR_COMPONENT) {
 432                         save_individual_event(
 433                                 icalcomponent_get_first_component(
 434                                         vevent, ICAL_VEVENT_COMPONENT
 435                                 ), msgnum
 436                         );
 437                         return;
 438                 }
 439         }
 440         else {
 441                 vevent = icalcomponent_new(ICAL_VEVENT_COMPONENT);
 442                 created_new_vevent = 1;
 443         }
 444
 445         if ( (strlen(bstr("save_button")) > 0)
 446            || (strlen(bstr("check_button")) > 0) ) {
 447
 448                 /* Replace values in the component with ones from the form */
 449
 450                 while (prop = icalcomponent_get_first_property(vevent,
 451                       ICAL_SUMMARY_PROPERTY), prop != NULL) {
 452                         icalcomponent_remove_property(vevent, prop);
 453                         icalproperty_free(prop);
 454                 }
 455                 icalcomponent_add_property(vevent,
 456                         icalproperty_new_summary(bstr("summary")));
 457
 458                 while (prop = icalcomponent_get_first_property(vevent,
 459                       ICAL_LOCATION_PROPERTY), prop != NULL) {
 460                         icalcomponent_remove_property(vevent, prop);
 461                         icalproperty_free(prop);
 462                 }
 463                 icalcomponent_add_property(vevent,
 464                         icalproperty_new_location(bstr("location")));
 465
 466                 while (prop = icalcomponent_get_first_property(vevent,
 467                       ICAL_DESCRIPTION_PROPERTY), prop != NULL) {
 468                         icalcomponent_remove_property(vevent, prop);
 469                         icalproperty_free(prop);
 470                 }
 471                 icalcomponent_add_property(vevent,
 472                         icalproperty_new_description(bstr("description")));
 473
 474                 while (prop = icalcomponent_get_first_property(vevent,
 475                       ICAL_DTSTART_PROPERTY), prop != NULL) {
 476                         icalcomponent_remove_property(vevent, prop);
 477                         icalproperty_free(prop);
 478                 }
 479
 480                 if (!strcmp(bstr("alldayevent"), "yes")) {
 481                         all_day_event = 1;
 482                 }
 483                 else {
 484                         all_day_event = 0;
 485                 }
 486
 487                 if (all_day_event) {
 488                         icaltime_from_webform_dateonly(&event_start, "dtstart");
 489                 }
 490                 else {
 491                         icaltime_from_webform(&event_start, "dtstart");
 492                 }
 493
 494                 /* The following odd-looking snippet of code looks like it
 495                  * takes some unnecessary steps.  It is done this way because
 496                  * libical incorrectly turns an "all day event" into a normal
 497                  * event starting at midnight (i.e. it serializes as date/time
 498                  * instead of just date) unless icalvalue_new_date() is used.
 499                  * So we force it, if this is an all day event.
 500                  */
 501                 prop = icalproperty_new_dtstart(event_start);
 502                 if (all_day_event) {
 503                         icalproperty_set_value(prop,
 504                                 icalvalue_new_date(event_start)
 505                         );
 506                 }
 507
 508                 if (prop) icalcomponent_add_property(vevent, prop);
 509                 else icalproperty_free(prop);
 510
 511                 while (prop = icalcomponent_get_first_property(vevent,
 512                       ICAL_DTEND_PROPERTY), prop != NULL) {
 513                         icalcomponent_remove_property(vevent, prop);
 514                         icalproperty_free(prop);
 515                 }
 516                 while (prop = icalcomponent_get_first_property(vevent,
 517                       ICAL_DURATION_PROPERTY), prop != NULL) {
 518                         icalcomponent_remove_property(vevent, prop);
 519                         icalproperty_free(prop);
 520                 }
 521
 522                 if (all_day_event == 0) {
 523                         icaltime_from_webform(&t, "dtend");
 524                         icalcomponent_add_property(vevent,
 525                                 icalproperty_new_dtend(icaltime_normalize(t)
 526                                 )
 527                         );
 528                 }
 529
 530                 /* See if transparency is indicated */
 531                 if (strlen(bstr("transp")) > 0) {
 532                         if (!strcasecmp(bstr("transp"), "opaque")) {
 533                                 formtransp = ICAL_TRANSP_OPAQUE;
 534                         }
 535                         else if (!strcasecmp(bstr("transp"), "transparent")) {
 536                                 formtransp = ICAL_TRANSP_TRANSPARENT;
 537                         }
 538
 539                         while (prop = icalcomponent_get_first_property(vevent, ICAL_TRANSP_PROPERTY),
 540                               (prop != NULL)) {
 541                                 icalcomponent_remove_property(vevent, prop);
 542                                 icalproperty_free(prop);
 543                         }
 544
 545                         lprintf(9, "adding new property...\n");
 546                         icalcomponent_add_property(vevent, icalproperty_new_transp(formtransp));
 547                         lprintf(9, "...added it.\n");
 548                 }
 549
 550                 /* Give this event a UID if it doesn't have one. */
 551                 lprintf(9, "Give this event a UID if it doesn't have one.\n");
 552                 if (icalcomponent_get_first_property(vevent,
 553                    ICAL_UID_PROPERTY) == NULL) {
 554                         generate_uuid(buf);
 555                         icalcomponent_add_property(vevent,
 556                                 icalproperty_new_uid(buf)
 557                         );
 558                 }
 559
 560                 /* Increment the sequence ID */
 561                 lprintf(9, "Increment the sequence ID\n");
 562                 while (prop = icalcomponent_get_first_property(vevent,
 563                       ICAL_SEQUENCE_PROPERTY), (prop != NULL) ) {
 564                         i = icalproperty_get_sequence(prop);
 565                         lprintf(9, "Sequence was %d\n", i);
 566                         if (i > sequence) sequence = i;
 567                         icalcomponent_remove_property(vevent, prop);
 568                         icalproperty_free(prop);
 569                 }
 570                 ++sequence;
 571                 lprintf(9, "New sequence is %d.  Adding...\n", sequence);
 572                 icalcomponent_add_property(vevent,
 573                         icalproperty_new_sequence(sequence)
 574                 );
 575
 576                 /* Set the organizer, only if one does not already exist *and*
 577                  * the form is supplying one
 578                  */
 579                 lprintf(9, "Setting the organizer...\n");
 580                 strcpy(buf, bstr("organizer"));
 581                 if ( (icalcomponent_get_first_property(vevent,
 582                    ICAL_ORGANIZER_PROPERTY) == NULL)
 583                    && (strlen(buf) > 0) ) {
 584
 585                         /* set new organizer */
 586                         sprintf(organizer_string, "MAILTO:%s", buf);
 587                         icalcomponent_add_property(vevent,
 588                                 icalproperty_new_organizer(organizer_string)
 589                         );
 590
 591                 }
 592
 593                 /*
 594                  * Add any new attendees listed in the web form
 595                  */
 596                 lprintf(9, "Add any new attendees\n");
 597
 598                 /* First, strip out the parenthesized partstats.  */
 599                 strcpy(form_attendees, bstr("attendees"));
 600                 stripout(form_attendees, '(', ')');
 601
 602                 /* Now iterate! */
 603                 for (i=0; i<num_tokens(form_attendees, '\n'); ++i) {
 604                         extract_token(buf, form_attendees, i, '\n', sizeof buf);
 605                         striplt(buf);
 606                         if (strlen(buf) > 0) {
 607                                 lprintf(9, "Attendee: <%s>\n", buf);
 608                                 sprintf(attendee_string, "MAILTO:%s", buf);
 609                                 foundit = 0;
 610
 611                                 for (attendee = icalcomponent_get_first_property(vevent, ICAL_ATTENDEE_PROPERTY); attendee != NULL; attendee = icalcomponent_get_next_property(vevent, ICAL_ATTENDEE_PROPERTY)) {
 612                                         if (!strcasecmp(attendee_string,
 613                                            icalproperty_get_attendee(attendee)))
 614                                                 ++foundit;
 615                                 }
 616
 617
 618                                 if (foundit == 0) {
 619                                         icalcomponent_add_property(vevent,
 620                                                 icalproperty_new_attendee(attendee_string)
 621                                         );
 622                                 }
 623                         }
 624                 }
 625
 626                 /*
 627                  * Remove any attendees *not* listed in the web form
 628                  */
 629 STARTOVER:      lprintf(9, "Remove unlisted attendees\n");
 630                 for (attendee = icalcomponent_get_first_property(vevent, ICAL_ATTENDEE_PROPERTY); attendee != NULL; attendee = icalcomponent_get_next_property(vevent, ICAL_ATTENDEE_PROPERTY)) {
 631                         strcpy(attendee_string, icalproperty_get_attendee(attendee));
 632                         if (!strncasecmp(attendee_string, "MAILTO:", 7)) {
 633                                 strcpy(attendee_string, &attendee_string[7]);
 634                                 striplt(attendee_string);
 635                                 foundit = 0;
 636                                 for (i=0; i<num_tokens(form_attendees, '\n'); ++i) {
 637                                         extract_token(buf, form_attendees, i, '\n', sizeof buf);
 638                                         striplt(buf);
 639                                         if (!strcasecmp(buf, attendee_string)) ++foundit;
 640                                 }
 641                                 if (foundit == 0) {
 642                                         icalcomponent_remove_property(vevent, attendee);
 643                                         icalproperty_free(attendee);
 644                                         goto STARTOVER;
 645                                 }
 646                         }
 647                 }
 648
 649                 /*
 650                  * Encapsulate event into full VCALENDAR component.  Clone it first,
 651                  * for two reasons: one, it's easier to just free the whole thing
 652                  * when we're done instead of unbundling, but more importantly, we
 653                  * can't encapsulate something that may already be encapsulated
 654                  * somewhere else.
 655                  */
 656                 lprintf(9, "Encapsulating into full VCALENDAR component\n");
 657                 encaps = ical_encapsulate_subcomponent(icalcomponent_new_clone(vevent));
 658
 659                 /* If the user clicked 'Save' then save it to the server. */
 660                 lprintf(9, "Serializing it for saving\n");
 661                 if ( (encaps != NULL) && (strlen(bstr("save_button")) > 0) ) {
 662                         serv_puts("ENT0 1|||4|||1|");
 663                         serv_getln(buf, sizeof buf);
 664                         if (buf[0] == '8') {
 665                                 serv_puts("Content-type: text/calendar");
 666                                 serv_puts("");
 667                                 serv_puts(icalcomponent_as_ical_string(encaps));
 668                                 serv_puts("000");
 669                         }
 670                         while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
 671                                 lprintf(9, "ENT0 REPLY: %s\n", buf);
 672                         }
 673                         icalcomponent_free(encaps);
 674                 }
 675
 676                 /* Or, check attendee availability if the user asked for that. */
 677                 if ( (encaps != NULL) && (strlen(bstr("check_button")) > 0) ) {
 678
 679                         /* Call this function, which does the real work */
 680                         check_attendee_availability(encaps);
 681
 682                         /* This displays the form again, with our annotations */
 683                         display_edit_individual_event(encaps, msgnum);
 684
 685                         icalcomponent_free(encaps);
 686                 }
 687
 688         }
 689
 690         /*
 691          * If the user clicked 'Delete' then delete it.
 692          */
 693         lprintf(9, "Checking to see if we have to delete an old event\n");
 694         if ( (strlen(bstr("delete_button")) > 0) && (msgnum > 0L) ) {
 695                 serv_printf("DELE %ld", atol(bstr("msgnum")));
 696                 serv_getln(buf, sizeof buf);
 697         }
 698
 699         if (created_new_vevent) {
 700                 icalcomponent_free(vevent);
 701         }
 702
 703         /* If this was a save or deelete, go back to the calendar view. */
 704         if (strlen(bstr("check_button")) == 0) {
 705                 readloop("readfwd");
 706         }
 707 }
 708
 709
 710 #endif /* WEBCIT_WITH_CALENDAR_SERVICE */