webcit/event.c

   1 /*
   2  * $Id$
   3  */
   4 /**
   5  * \defgroup EditCal Editing calendar events.
   6  *
   7  */
   8 /*@{*/
   9 #include "webcit.h"
  10 #include "webserver.h"
  11
  12
  13 #ifdef WEBCIT_WITH_CALENDAR_SERVICE
  14
  15 /**
  16  * \brief Display an event by itself (for editing)
  17  * \param supplied_vevent the event to edit
  18  * \param msgnum reference on the citserver
  19  */
  20 void display_edit_individual_event(icalcomponent *supplied_vevent, long msgnum) {
  21         icalcomponent *vevent;
  22         icalproperty *p;
  23         icalvalue *v;
  24         struct icaltimetype t_start, t_end;
  25         time_t now;
  26         struct tm tm_now;
  27         int created_new_vevent = 0;
  28         icalproperty *organizer = NULL;
  29         char organizer_string[SIZ];
  30         icalproperty *attendee = NULL;
  31         char attendee_string[SIZ];
  32         char buf[SIZ];
  33         int organizer_is_me = 0;
  34         int i;
  35         int sequence = 0;
  36
  37         now = time(NULL);
  38         strcpy(organizer_string, "");
  39         strcpy(attendee_string, "");
  40
  41         if (supplied_vevent != NULL) {
  42                 vevent = supplied_vevent;
  43                 /**
  44                  * If we're looking at a fully encapsulated VCALENDAR
  45                  * rather than a VEVENT component, attempt to use the first
  46                  * relevant VEVENT subcomponent.  If there is none, the
  47                  * NULL returned by icalcomponent_get_first_component() will
  48                  * tell the next iteration of this function to create a
  49                  * new one.
  50                  */
  51                 if (icalcomponent_isa(vevent) == ICAL_VCALENDAR_COMPONENT) {
  52                         display_edit_individual_event(
  53                                 icalcomponent_get_first_component(
  54                                         vevent, ICAL_VEVENT_COMPONENT
  55                                 ), msgnum
  56                         );
  57                         return;
  58                 }
  59         }
  60         else {
  61                 vevent = icalcomponent_new(ICAL_VEVENT_COMPONENT);
  62                 created_new_vevent = 1;
  63         }
  64
  65         /** Learn the sequence */
  66         p = icalcomponent_get_first_property(vevent, ICAL_SEQUENCE_PROPERTY);
  67         if (p != NULL) {
  68                 sequence = icalproperty_get_sequence(p);
  69         }
  70
  71         /** Begin output */
  72         output_headers(1, 1, 2, 0, 0, 0);
  73         wprintf("<div id=\"banner\">\n"
  74                 "<TABLE WIDTH=100%% BORDER=0 BGCOLOR=\"#444455\"><TR><TD>"
  75                 "<SPAN CLASS=\"titlebar\">");
  76         wprintf(_("Add or edit an event"));
  77         wprintf("</SPAN>"
  78                 "</TD></TR></TABLE>\n"
  79                 "</div>\n<div id=\"content\">\n"
  80         );
  81
  82         wprintf("<script type=\"text/javascript\">"
  83                 "function grey_all_day() { "
  84                         "if (document.EventForm.alldayevent.checked) {"
  85                                 "document.EventForm.dtstart_hour.value='0';"
  86                                 "document.EventForm.dtstart_hour.disabled = true;"
  87                                 "document.EventForm.dtstart_minute.value='0';"
  88                                 "document.EventForm.dtstart_minute.disabled = true;"
  89                                 "document.EventForm.dtend_hour.value='0';"
  90                                 "document.EventForm.dtend_hour.disabled = true;"
  91                                 "document.EventForm.dtend_minute.value='0';"
  92                                 "document.EventForm.dtend_minute.disabled = true;"
  93                                 "document.EventForm.dtend_month.disabled = true;"
  94                                 "document.EventForm.dtend_day.disabled = true;"
  95                                 "document.EventForm.dtend_year.disabled = true;"
  96                         "}"
  97                         "else {"
  98                                 "document.EventForm.dtstart_hour.disabled = false;"
  99                                 "document.EventForm.dtstart_minute.disabled = false;"
 100                                 "document.EventForm.dtend_hour.disabled = false;"
 101                                 "document.EventForm.dtend_minute.disabled = false;"
 102                                 "document.EventForm.dtend_month.disabled = false;"
 103                                 "document.EventForm.dtend_day.disabled = false;"
 104                                 "document.EventForm.dtend_year.disabled = false;"
 105                         "}"
 106                 "}"
 107                 "</script>\n"
 108         );
 109
 110
 111         wprintf("<div class=\"fix_scrollbar_bug\">"
 112                 "<table border=0 width=100%% bgcolor=\"#ffffff\"><tr><td>\n");
 113
 114         /************************************************************
 115          * Uncomment this to see the UID in calendar events for debugging
 116         wprintf("UID == ");
 117         p = icalcomponent_get_first_property(vevent, ICAL_UID_PROPERTY);
 118         if (p != NULL) {
 119                 escputs((char *)icalproperty_get_comment(p));
 120         }
 121         wprintf("<br />\n");
 122         wprintf("SEQUENCE == %d<br />\n", sequence);
 123         *************************************************************/
 124
 125         wprintf("<FORM NAME=\"EventForm\" METHOD=\"POST\" action=\"save_event\">\n");
 126
 127         wprintf("<INPUT TYPE=\"hidden\" NAME=\"msgnum\" VALUE=\"%ld\">\n",
 128                 msgnum);
 129         wprintf("<INPUT TYPE=\"hidden\" NAME=\"calview\" VALUE=\"%s\">\n",
 130                 bstr("calview"));
 131         wprintf("<INPUT TYPE=\"hidden\" NAME=\"year\" VALUE=\"%s\">\n",
 132                 bstr("year"));
 133         wprintf("<INPUT TYPE=\"hidden\" NAME=\"month\" VALUE=\"%s\">\n",
 134                 bstr("month"));
 135         wprintf("<INPUT TYPE=\"hidden\" NAME=\"day\" VALUE=\"%s\">\n",
 136                 bstr("day"));
 137
 138         /** Put it in a borderless table so it lines up nicely */
 139         wprintf("<TABLE border=0 width=100%%>\n");
 140
 141         wprintf("<TR><TD><B>");
 142         wprintf(_("Summary"));
 143         wprintf("</B></TD><TD>\n"
 144                 "<INPUT TYPE=\"text\" NAME=\"summary\" "
 145                 "MAXLENGTH=\"64\" SIZE=\"64\" VALUE=\"");
 146         p = icalcomponent_get_first_property(vevent, ICAL_SUMMARY_PROPERTY);
 147         if (p != NULL) {
 148                 escputs((char *)icalproperty_get_comment(p));
 149         }
 150         wprintf("\"></TD></TR>\n");
 151
 152         wprintf("<TR><TD><B>");
 153         wprintf(_("Location"));
 154         wprintf("</B></TD><TD>\n"
 155                 "<INPUT TYPE=\"text\" NAME=\"location\" "
 156                 "MAXLENGTH=\"64\" SIZE=\"64\" VALUE=\"");
 157         p = icalcomponent_get_first_property(vevent, ICAL_LOCATION_PROPERTY);
 158         if (p != NULL) {
 159                 escputs((char *)icalproperty_get_comment(p));
 160         }
 161         wprintf("\"></TD></TR>\n");
 162
 163         wprintf("<TR><TD><B>");
 164         wprintf(_("Start"));
 165         wprintf("</B></TD><TD>\n");
 166         p = icalcomponent_get_first_property(vevent, ICAL_DTSTART_PROPERTY);
 167         if (p != NULL) {
 168                 t_start = icalproperty_get_dtstart(p);
 169                 if (t_start.is_date) {
 170                         t_start.hour = 0;
 171                         t_start.minute = 0;
 172                         t_start.second = 0;
 173                 }
 174         }
 175         else {
 176                 localtime_r(&now, &tm_now);
 177                 if (strlen(bstr("year")) > 0) {
 178                         tm_now.tm_year = atoi(bstr("year")) - 1900;
 179                         tm_now.tm_mon = atoi(bstr("month")) - 1;
 180                         tm_now.tm_mday = atoi(bstr("day"));
 181                 }
 182                 if (strlen(bstr("hour")) > 0) {
 183                         tm_now.tm_hour = atoi(bstr("hour"));
 184                         tm_now.tm_min = atoi(bstr("minute"));
 185                         tm_now.tm_sec = 0;
 186                 }
 187                 else {
 188                         tm_now.tm_hour = 9;
 189                         tm_now.tm_min = 0;
 190                         tm_now.tm_sec = 0;
 191                 }
 192
 193                 t_start = icaltime_from_timet_with_zone(
 194                         mktime(&tm_now),
 195                         ((!strcasecmp(bstr("alldayevent"), "yes")) ? 1 : 0),
 196                         icaltimezone_get_utc_timezone()
 197                 );
 198                 t_start.is_utc = 1;
 199
 200         }
 201         display_icaltimetype_as_webform(&t_start, "dtstart");
 202
 203         wprintf("<INPUT TYPE=\"checkbox\" NAME=\"alldayevent\" "
 204                 "VALUE=\"yes\" onClick=\"grey_all_day();\""
 205                 " %s >%s",
 206                 (t_start.is_date ? "CHECKED" : "" ),
 207                 _("All day event")
 208         );
 209
 210         wprintf("</TD></TR>\n");
 211
 212         /**
 213          * If this is an all-day-event, set the end time to be identical to
 214          * the start time (the hour/minute/second will be set to midnight).
 215          * Otherwise extract or create it.
 216          */
 217         wprintf("<TR><TD><B>");
 218         wprintf(_("End"));
 219         wprintf("</B></TD><TD>\n");
 220         if (t_start.is_date) {
 221                 t_end = t_start;
 222         }
 223         else {
 224                 p = icalcomponent_get_first_property(vevent,
 225                                                         ICAL_DTEND_PROPERTY);
 226                 if (p != NULL) {
 227                         t_end = icalproperty_get_dtend(p);
 228                 }
 229                 else {
 230                         /**
 231                          * If this is not an all-day event and there is no
 232                          * end time specified, make the default one hour
 233                          * from the start time.
 234                          */
 235                         t_end = t_start;
 236                         t_end.hour += 1;
 237                         t_end.second = 0;
 238                         t_end = icaltime_normalize(t_end);
 239                         /* t_end = icaltime_from_timet(now, 0); */
 240                 }
 241         }
 242         display_icaltimetype_as_webform(&t_end, "dtend");
 243         wprintf("</TD></TR>\n");
 244
 245         wprintf("<TR><TD><B>");
 246         wprintf(_("Notes"));
 247         wprintf("</B></TD><TD>\n"
 248                 "<TEXTAREA NAME=\"description\" wrap=soft "
 249                 "ROWS=5 COLS=80 WIDTH=80>\n"
 250         );
 251         p = icalcomponent_get_first_property(vevent, ICAL_DESCRIPTION_PROPERTY);
 252         if (p != NULL) {
 253                 escputs((char *)icalproperty_get_comment(p));
 254         }
 255         wprintf("</TEXTAREA></TD></TR>");
 256
 257         /* For a new event, the user creating the event should be the
 258          * organizer.  Set this field accordingly.
 259          */
 260         if (icalcomponent_get_first_property(vevent, ICAL_ORGANIZER_PROPERTY)
 261            == NULL) {
 262                 sprintf(organizer_string, "MAILTO:%s", WC->cs_inet_email);
 263                 icalcomponent_add_property(vevent,
 264                         icalproperty_new_organizer(organizer_string)
 265                 );
 266         }
 267
 268         /**
 269          * Determine who is the organizer of this event.
 270          * We need to determine "me" or "not me."
 271          */
 272         organizer = icalcomponent_get_first_property(vevent,
 273                                                 ICAL_ORGANIZER_PROPERTY);
 274         if (organizer != NULL) {
 275                 strcpy(organizer_string, icalproperty_get_organizer(organizer));
 276                 if (!strncasecmp(organizer_string, "MAILTO:", 7)) {
 277                         strcpy(organizer_string, &organizer_string[7]);
 278                         striplt(organizer_string);
 279                         lprintf(9, "ISME %s\n", organizer_string);
 280                         serv_printf("ISME %s", organizer_string);
 281                         serv_getln(buf, sizeof buf);
 282                         lprintf(9, "%s\n", buf);
 283                         if (buf[0] == '2') {
 284                                 organizer_is_me = 1;
 285                         }
 286                 }
 287         }
 288
 289         wprintf("<TR><TD><B>");
 290         wprintf(_("Organizer"));
 291         wprintf("</B></TD><TD>");
 292         escputs(organizer_string);
 293         if (organizer_is_me) {
 294                 wprintf(" <FONT SIZE=-1><I>");
 295                 wprintf(_("(you are the organizer)"));
 296                 wprintf("</I></FONT>\n");
 297         }
 298
 299         /**
 300          * Transmit the organizer as a hidden field.   We don't want the user
 301          * to be able to change it, but we do want it fed back to the server,
 302          * especially if this is a new event and there is no organizer already
 303          * in the calendar object.
 304          */
 305         wprintf("<INPUT TYPE=\"hidden\" NAME=\"organizer\" VALUE=\"");
 306         escputs(organizer_string);
 307         wprintf("\">");
 308
 309         wprintf("</TD></TR>\n");
 310
 311         /** Transparency */
 312         wprintf("<TR><TD><B>");
 313         wprintf(_("Show time as:"));
 314         wprintf("</B></TD><TD>");
 315
 316         p = icalcomponent_get_first_property(vevent, ICAL_TRANSP_PROPERTY);
 317         if (p == NULL) {
 318                 /** No transparency found.  Default to opaque (busy). */
 319                 p = icalproperty_new_transp(ICAL_TRANSP_OPAQUE);
 320                 if (p != NULL) {
 321                         icalcomponent_add_property(vevent, p);
 322                 }
 323         }
 324         if (p != NULL) {
 325                 v = icalproperty_get_value(p);
 326         }
 327         else {
 328                 v = NULL;
 329         }
 330
 331         wprintf("<INPUT TYPE=\"radio\" NAME=\"transp\" VALUE=\"transparent\"");
 332         if (v != NULL) if (icalvalue_get_transp(v) == ICAL_TRANSP_TRANSPARENT)
 333                 wprintf(" CHECKED");
 334         wprintf(">");
 335         wprintf(_("Free"));
 336         wprintf("&nbsp;&nbsp;");
 337
 338         wprintf("<INPUT TYPE=\"radio\" NAME=\"transp\" VALUE=\"opaque\"");
 339         if (v != NULL) if (icalvalue_get_transp(v) == ICAL_TRANSP_OPAQUE)
 340                 wprintf(" CHECKED");
 341         wprintf(">");
 342         wprintf(_("Busy"));
 343
 344         wprintf("</TD></TR>\n");
 345
 346         /** Attendees */
 347         wprintf("<TR><TD><B>");
 348         wprintf(_("Attendees"));
 349         wprintf("</B><br />"
 350                 "<FONT SIZE=-2>");
 351         wprintf(_("(One per line)"));
 352         wprintf("</FONT></TD><TD>"
 353                 "<TEXTAREA %s NAME=\"attendees\" wrap=soft "
 354                 "ROWS=3 COLS=80 WIDTH=80>\n",
 355                 (organizer_is_me ? "" : "DISABLED ")
 356         );
 357         i = 0;
 358         for (attendee = icalcomponent_get_first_property(vevent, ICAL_ATTENDEE_PROPERTY);
 359             attendee != NULL;
 360             attendee = icalcomponent_get_next_property(vevent, ICAL_ATTENDEE_PROPERTY)) {
 361                 strcpy(attendee_string, icalproperty_get_attendee(attendee));
 362                 if (!strncasecmp(attendee_string, "MAILTO:", 7)) {
 363
 364                         /** screen name or email address */
 365                         strcpy(attendee_string, &attendee_string[7]);
 366                         striplt(attendee_string);
 367                         if (i++) wprintf("\n");
 368                         escputs(attendee_string);
 369                         wprintf(" ");
 370
 371                         /** participant status */
 372                         partstat_as_string(buf, attendee);
 373                         escputs(buf);
 374                 }
 375         }
 376         wprintf("</TEXTAREA></TD></TR>\n");
 377
 378         /** Done with properties. */
 379         wprintf("</TABLE>\n<CENTER>"
 380                 "<INPUT TYPE=\"submit\" NAME=\"save_button\" VALUE=\"%s\">"
 381                 "&nbsp;&nbsp;"
 382                 "<INPUT TYPE=\"submit\" NAME=\"delete_button\" VALUE=\"%s\">\n"
 383                 "&nbsp;&nbsp;"
 384                 "<INPUT TYPE=\"submit\" NAME=\"check_button\" "
 385                                 "VALUE=\"%s\">\n"
 386                 "&nbsp;&nbsp;"
 387                 "<INPUT TYPE=\"submit\" NAME=\"cancel_button\" VALUE=\"%s\">\n"
 388                 "</CENTER>\n",
 389                 _("Save"),
 390                 _("Delete"),
 391                 _("Check attendee availability"),
 392                 _("Cancel")
 393         );
 394
 395         wprintf("</FORM>\n");
 396
 397         wprintf("</td></tr></table></div>\n");
 398         wprintf("<script type=\"text/javascript\">"
 399                 "grey_all_day();"
 400                 "</script>\n"
 401         );
 402         wDumpContent(1);
 403
 404         if (created_new_vevent) {
 405                 icalcomponent_free(vevent);
 406         }
 407 }
 408
 409 /**
 410  * \brief Save an edited event
 411  * \param supplied_vevent the event to save
 412  * \param msgnum the index on the citserver
 413  */
 414 void save_individual_event(icalcomponent *supplied_vevent, long msgnum) {
 415         char buf[SIZ];
 416         icalproperty *prop;
 417         icalcomponent *vevent, *encaps;
 418         int created_new_vevent = 0;
 419         int all_day_event = 0;
 420         struct icaltimetype event_start, t;
 421         icalproperty *attendee = NULL;
 422         char attendee_string[SIZ];
 423         int i;
 424         int foundit;
 425         char form_attendees[SIZ];
 426         char organizer_string[SIZ];
 427         int sequence = 0;
 428         enum icalproperty_transp formtransp = ICAL_TRANSP_NONE;
 429
 430         if (supplied_vevent != NULL) {
 431                 vevent = supplied_vevent;
 432                 /**
 433                  * If we're looking at a fully encapsulated VCALENDAR
 434                  * rather than a VEVENT component, attempt to use the first
 435                  * relevant VEVENT subcomponent.  If there is none, the
 436                  * NULL returned by icalcomponent_get_first_component() will
 437                  * tell the next iteration of this function to create a
 438                  * new one.
 439                  */
 440                 if (icalcomponent_isa(vevent) == ICAL_VCALENDAR_COMPONENT) {
 441                         save_individual_event(
 442                                 icalcomponent_get_first_component(
 443                                         vevent, ICAL_VEVENT_COMPONENT
 444                                 ), msgnum
 445                         );
 446                         return;
 447                 }
 448         }
 449         else {
 450                 vevent = icalcomponent_new(ICAL_VEVENT_COMPONENT);
 451                 created_new_vevent = 1;
 452         }
 453
 454         if ( (strlen(bstr("save_button")) > 0)
 455            || (strlen(bstr("check_button")) > 0) ) {
 456
 457                 /** Replace values in the component with ones from the form */
 458
 459                 while (prop = icalcomponent_get_first_property(vevent,
 460                       ICAL_SUMMARY_PROPERTY), prop != NULL) {
 461                         icalcomponent_remove_property(vevent, prop);
 462                         icalproperty_free(prop);
 463                 }
 464                 icalcomponent_add_property(vevent,
 465                         icalproperty_new_summary(bstr("summary")));
 466
 467                 while (prop = icalcomponent_get_first_property(vevent,
 468                       ICAL_LOCATION_PROPERTY), prop != NULL) {
 469                         icalcomponent_remove_property(vevent, prop);
 470                         icalproperty_free(prop);
 471                 }
 472                 icalcomponent_add_property(vevent,
 473                         icalproperty_new_location(bstr("location")));
 474
 475                 while (prop = icalcomponent_get_first_property(vevent,
 476                       ICAL_DESCRIPTION_PROPERTY), prop != NULL) {
 477                         icalcomponent_remove_property(vevent, prop);
 478                         icalproperty_free(prop);
 479                 }
 480                 icalcomponent_add_property(vevent,
 481                         icalproperty_new_description(bstr("description")));
 482
 483                 while (prop = icalcomponent_get_first_property(vevent,
 484                       ICAL_DTSTART_PROPERTY), prop != NULL) {
 485                         icalcomponent_remove_property(vevent, prop);
 486                         icalproperty_free(prop);
 487                 }
 488
 489                 if (!strcmp(bstr("alldayevent"), "yes")) {
 490                         all_day_event = 1;
 491                 }
 492                 else {
 493                         all_day_event = 0;
 494                 }
 495
 496                 if (all_day_event) {
 497                         icaltime_from_webform_dateonly(&event_start, "dtstart");
 498                 }
 499                 else {
 500                         icaltime_from_webform(&event_start, "dtstart");
 501                 }
 502
 503                 /**
 504                  * The following odd-looking snippet of code looks like it
 505                  * takes some unnecessary steps.  It is done this way because
 506                  * libical incorrectly turns an "all day event" into a normal
 507                  * event starting at midnight (i.e. it serializes as date/time
 508                  * instead of just date) unless icalvalue_new_date() is used.
 509                  * So we force it, if this is an all day event.
 510                  */
 511                 prop = icalproperty_new_dtstart(event_start);
 512                 if (all_day_event) {
 513                         icalproperty_set_value(prop,
 514                                 icalvalue_new_date(event_start)
 515                         );
 516                 }
 517
 518                 if (prop) icalcomponent_add_property(vevent, prop);
 519                 else icalproperty_free(prop);
 520
 521                 while (prop = icalcomponent_get_first_property(vevent,
 522                       ICAL_DTEND_PROPERTY), prop != NULL) {
 523                         icalcomponent_remove_property(vevent, prop);
 524                         icalproperty_free(prop);
 525                 }
 526                 while (prop = icalcomponent_get_first_property(vevent,
 527                       ICAL_DURATION_PROPERTY), prop != NULL) {
 528                         icalcomponent_remove_property(vevent, prop);
 529                         icalproperty_free(prop);
 530                 }
 531
 532                 if (all_day_event == 0) {
 533                         icaltime_from_webform(&t, "dtend");
 534                         icalcomponent_add_property(vevent,
 535                                 icalproperty_new_dtend(icaltime_normalize(t)
 536                                 )
 537                         );
 538                 }
 539
 540                 /** See if transparency is indicated */
 541                 if (strlen(bstr("transp")) > 0) {
 542                         if (!strcasecmp(bstr("transp"), "opaque")) {
 543                                 formtransp = ICAL_TRANSP_OPAQUE;
 544                         }
 545                         else if (!strcasecmp(bstr("transp"), "transparent")) {
 546                                 formtransp = ICAL_TRANSP_TRANSPARENT;
 547                         }
 548
 549                         while (prop = icalcomponent_get_first_property(vevent, ICAL_TRANSP_PROPERTY),
 550                               (prop != NULL)) {
 551                                 icalcomponent_remove_property(vevent, prop);
 552                                 icalproperty_free(prop);
 553                         }
 554
 555                         lprintf(9, "adding new property...\n");
 556                         icalcomponent_add_property(vevent, icalproperty_new_transp(formtransp));
 557                         lprintf(9, "...added it.\n");
 558                 }
 559
 560                 /** Give this event a UID if it doesn't have one. */
 561                 lprintf(9, "Give this event a UID if it doesn't have one.\n");
 562                 if (icalcomponent_get_first_property(vevent,
 563                    ICAL_UID_PROPERTY) == NULL) {
 564                         generate_uuid(buf);
 565                         icalcomponent_add_property(vevent,
 566                                 icalproperty_new_uid(buf)
 567                         );
 568                 }
 569
 570                 /** Increment the sequence ID */
 571                 lprintf(9, "Increment the sequence ID\n");
 572                 while (prop = icalcomponent_get_first_property(vevent,
 573                       ICAL_SEQUENCE_PROPERTY), (prop != NULL) ) {
 574                         i = icalproperty_get_sequence(prop);
 575                         lprintf(9, "Sequence was %d\n", i);
 576                         if (i > sequence) sequence = i;
 577                         icalcomponent_remove_property(vevent, prop);
 578                         icalproperty_free(prop);
 579                 }
 580                 ++sequence;
 581                 lprintf(9, "New sequence is %d.  Adding...\n", sequence);
 582                 icalcomponent_add_property(vevent,
 583                         icalproperty_new_sequence(sequence)
 584                 );
 585
 586                 /**
 587                  * Set the organizer, only if one does not already exist *and*
 588                  * the form is supplying one
 589                  */
 590                 lprintf(9, "Setting the organizer...\n");
 591                 strcpy(buf, bstr("organizer"));
 592                 if ( (icalcomponent_get_first_property(vevent,
 593                    ICAL_ORGANIZER_PROPERTY) == NULL)
 594                    && (strlen(buf) > 0) ) {
 595
 596                         /** set new organizer */
 597                         sprintf(organizer_string, "MAILTO:%s", buf);
 598                         icalcomponent_add_property(vevent,
 599                                 icalproperty_new_organizer(organizer_string)
 600                         );
 601
 602                 }
 603
 604                 /**
 605                  * Add any new attendees listed in the web form
 606                  */
 607                 lprintf(9, "Add any new attendees\n");
 608
 609                 /* First, strip out the parenthesized partstats.  */
 610                 strcpy(form_attendees, bstr("attendees"));
 611                 stripout(form_attendees, '(', ')');
 612
 613                 /** Now iterate! */
 614                 for (i=0; i<num_tokens(form_attendees, '\n'); ++i) {
 615                         extract_token(buf, form_attendees, i, '\n', sizeof buf);
 616                         striplt(buf);
 617                         if (strlen(buf) > 0) {
 618                                 lprintf(9, "Attendee: <%s>\n", buf);
 619                                 sprintf(attendee_string, "MAILTO:%s", buf);
 620                                 foundit = 0;
 621
 622                                 for (attendee = icalcomponent_get_first_property(vevent, ICAL_ATTENDEE_PROPERTY); attendee != NULL; attendee = icalcomponent_get_next_property(vevent, ICAL_ATTENDEE_PROPERTY)) {
 623                                         if (!strcasecmp(attendee_string,
 624                                            icalproperty_get_attendee(attendee)))
 625                                                 ++foundit;
 626                                 }
 627
 628
 629                                 if (foundit == 0) {
 630                                         icalcomponent_add_property(vevent,
 631                                                 icalproperty_new_attendee(attendee_string)
 632                                         );
 633                                 }
 634                         }
 635                 }
 636
 637                 /**
 638                  * Remove any attendees *not* listed in the web form
 639                  */
 640 STARTOVER:      lprintf(9, "Remove unlisted attendees\n");
 641                 for (attendee = icalcomponent_get_first_property(vevent, ICAL_ATTENDEE_PROPERTY); attendee != NULL; attendee = icalcomponent_get_next_property(vevent, ICAL_ATTENDEE_PROPERTY)) {
 642                         strcpy(attendee_string, icalproperty_get_attendee(attendee));
 643                         if (!strncasecmp(attendee_string, "MAILTO:", 7)) {
 644                                 strcpy(attendee_string, &attendee_string[7]);
 645                                 striplt(attendee_string);
 646                                 foundit = 0;
 647                                 for (i=0; i<num_tokens(form_attendees, '\n'); ++i) {
 648                                         extract_token(buf, form_attendees, i, '\n', sizeof buf);
 649                                         striplt(buf);
 650                                         if (!strcasecmp(buf, attendee_string)) ++foundit;
 651                                 }
 652                                 if (foundit == 0) {
 653                                         icalcomponent_remove_property(vevent, attendee);
 654                                         icalproperty_free(attendee);
 655                                         goto STARTOVER;
 656                                 }
 657                         }
 658                 }
 659
 660                 /**
 661                  * Encapsulate event into full VCALENDAR component.  Clone it first,
 662                  * for two reasons: one, it's easier to just free the whole thing
 663                  * when we're done instead of unbundling, but more importantly, we
 664                  * can't encapsulate something that may already be encapsulated
 665                  * somewhere else.
 666                  */
 667                 lprintf(9, "Encapsulating into full VCALENDAR component\n");
 668                 encaps = ical_encapsulate_subcomponent(icalcomponent_new_clone(vevent));
 669
 670                 /* If the user clicked 'Save' then save it to the server. */
 671                 lprintf(9, "Serializing it for saving\n");
 672                 if ( (encaps != NULL) && (strlen(bstr("save_button")) > 0) ) {
 673                         serv_puts("ENT0 1|||4|||1|");
 674                         serv_getln(buf, sizeof buf);
 675                         if (buf[0] == '8') {
 676                                 serv_puts("Content-type: text/calendar");
 677                                 serv_puts("");
 678                                 serv_puts(icalcomponent_as_ical_string(encaps));
 679                                 serv_puts("000");
 680                         }
 681                         while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
 682                                 lprintf(9, "ENT0 REPLY: %s\n", buf);
 683                         }
 684                         icalcomponent_free(encaps);
 685                 }
 686
 687                 /** Or, check attendee availability if the user asked for that. */
 688                 if ( (encaps != NULL) && (strlen(bstr("check_button")) > 0) ) {
 689
 690                         /** Call this function, which does the real work */
 691                         check_attendee_availability(encaps);
 692
 693                         /** This displays the form again, with our annotations */
 694                         display_edit_individual_event(encaps, msgnum);
 695
 696                         icalcomponent_free(encaps);
 697                 }
 698
 699         }
 700
 701         /**
 702          * If the user clicked 'Delete' then delete it.
 703          */
 704         lprintf(9, "Checking to see if we have to delete an old event\n");
 705         if ( (strlen(bstr("delete_button")) > 0) && (msgnum > 0L) ) {
 706                 serv_printf("DELE %ld", atol(bstr("msgnum")));
 707                 serv_getln(buf, sizeof buf);
 708         }
 709
 710         if (created_new_vevent) {
 711                 icalcomponent_free(vevent);
 712         }
 713
 714         /** If this was a save or deelete, go back to the calendar view. */
 715         if (strlen(bstr("check_button")) == 0) {
 716                 readloop("readfwd");
 717         }
 718 }
 719
 720
 721 #endif /* WEBCIT_WITH_CALENDAR_SERVICE */
 722
 723 /*@}*/