webcit/event.c

   1 /*
   2  * $Id$
   3  *
   4  * Editing calendar events.
   5  */
   6
   7 #include "webcit.h"
   8 #include "webserver.h"
   9
  10
  11 /*
  12  * Display an event by itself (for editing)
  13  * supplied_vevent      the event to edit
  14  * msgnum               reference on the citserver
  15  */
  16 void display_edit_individual_event(icalcomponent *supplied_vevent, long msgnum, char *from, int unread) {
  17         icalcomponent *vevent;
  18         icalproperty *p;
  19         icalvalue *v;
  20         struct icaltimetype t_start, t_end;
  21         time_t now;
  22         struct tm tm_now;
  23         int created_new_vevent = 0;
  24         icalproperty *organizer = NULL;
  25         char organizer_string[SIZ];
  26         icalproperty *attendee = NULL;
  27         char attendee_string[SIZ];
  28         char buf[SIZ];
  29         int organizer_is_me = 0;
  30         int i;
  31         int sequence = 0;
  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         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, from, unread
  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         wprintf("<h1>");
  75         wprintf(_("Add or edit an event"));
  76         wprintf("</h1>");
  77         wprintf("</div>\n");
  78
  79         wprintf("<div id=\"content\" class=\"service\">\n");
  80
  81         wprintf("<div class=\"fix_scrollbar_bug\">");
  82 #ifndef TECH_PREVIEW
  83         wprintf("<table  class=\"event_background\"><tr><td>\n");
  84 #endif
  85
  86         /************************************************************
  87          * Uncomment this to see the UID in calendar events for debugging
  88         wprintf("UID == ");
  89         p = icalcomponent_get_first_property(vevent, ICAL_UID_PROPERTY);
  90         if (p != NULL) {
  91                 escputs((char *)icalproperty_get_comment(p));
  92         }
  93         wprintf("<br />\n");
  94         wprintf("SEQUENCE == %d<br />\n", sequence);
  95         *************************************************************/
  96
  97         wprintf("<FORM NAME=\"EventForm\" METHOD=\"POST\" action=\"save_event\">\n");
  98         wprintf("<input type=\"hidden\" name=\"nonce\" value=\"%d\">\n", WC->nonce);
  99
 100         wprintf("<INPUT TYPE=\"hidden\" NAME=\"msgnum\" VALUE=\"%ld\">\n",
 101                 msgnum);
 102         wprintf("<INPUT TYPE=\"hidden\" NAME=\"calview\" VALUE=\"%s\">\n",
 103                 bstr("calview"));
 104         wprintf("<INPUT TYPE=\"hidden\" NAME=\"year\" VALUE=\"%s\">\n",
 105                 bstr("year"));
 106         wprintf("<INPUT TYPE=\"hidden\" NAME=\"month\" VALUE=\"%s\">\n",
 107                 bstr("month"));
 108         wprintf("<INPUT TYPE=\"hidden\" NAME=\"day\" VALUE=\"%s\">\n",
 109                 bstr("day"));
 110
 111 #ifdef TECH_PREVIEW
 112         char *tabnames[] = {            // FIXME localize these when the code is finished
 113                 "Event",
 114                 "Attendees",
 115                 "Recurrence"
 116         };
 117
 118         tabbed_dialog(3, tabnames);
 119         begin_tab(0, 3);
 120 #endif
 121
 122         /* Put it in a borderless table so it lines up nicely */
 123         wprintf("<TABLE border=0 width=100%%>\n");
 124
 125         wprintf("<TR><TD><B>");
 126         wprintf(_("Summary"));
 127         wprintf("</B></TD><TD>\n"
 128                 "<INPUT TYPE=\"text\" NAME=\"summary\" "
 129                 "MAXLENGTH=\"64\" SIZE=\"64\" VALUE=\"");
 130         p = icalcomponent_get_first_property(vevent, ICAL_SUMMARY_PROPERTY);
 131         if (p != NULL) {
 132                 escputs((char *)icalproperty_get_comment(p));
 133         }
 134         wprintf("\"></TD></TR>\n");
 135
 136         wprintf("<TR><TD><B>");
 137         wprintf(_("Location"));
 138         wprintf("</B></TD><TD>\n"
 139                 "<INPUT TYPE=\"text\" NAME=\"location\" "
 140                 "MAXLENGTH=\"64\" SIZE=\"64\" VALUE=\"");
 141         p = icalcomponent_get_first_property(vevent, ICAL_LOCATION_PROPERTY);
 142         if (p != NULL) {
 143                 escputs((char *)icalproperty_get_comment(p));
 144         }
 145         wprintf("\"></TD></TR>\n");
 146
 147         wprintf("<TR><TD><B>");
 148         wprintf(_("Start"));
 149         wprintf("</B></TD><TD>\n");
 150         p = icalcomponent_get_first_property(vevent, ICAL_DTSTART_PROPERTY);
 151         if (p != NULL) {
 152                 t_start = icalproperty_get_dtstart(p);
 153                 if (t_start.is_date) {
 154                         t_start.hour = 0;
 155                         t_start.minute = 0;
 156                         t_start.second = 0;
 157                 }
 158         }
 159         else {
 160                 localtime_r(&now, &tm_now);
 161                 if (havebstr("year")) {
 162                         tm_now.tm_year = ibstr("year") - 1900;
 163                         tm_now.tm_mon = ibstr("month") - 1;
 164                         tm_now.tm_mday = ibstr("day");
 165                 }
 166                 if (havebstr("hour")) {
 167                         tm_now.tm_hour = ibstr("hour");
 168                         tm_now.tm_min = ibstr("minute");
 169                         tm_now.tm_sec = 0;
 170                 }
 171                 else {
 172                         tm_now.tm_hour = 0;
 173                         tm_now.tm_min = 0;
 174                         tm_now.tm_sec = 0;
 175                 }
 176
 177                 t_start = icaltime_from_timet_with_zone(
 178                         mktime(&tm_now),
 179                         ((yesbstr("alldayevent")) ? 1 : 0),
 180                         icaltimezone_get_utc_timezone()
 181                 );
 182                 t_start.is_utc = 1;
 183
 184         }
 185         display_icaltimetype_as_webform(&t_start, "dtstart");
 186
 187         wprintf("<INPUT TYPE=\"checkbox\" id=\"alldayevent\" NAME=\"alldayevent\" "
 188                 "VALUE=\"yes\" onclick=\"eventEditAllDay();\""
 189                 " %s >%s",
 190                 (t_start.is_date ? "CHECKED=\"CHECKED\"" : "" ),
 191                 _("All day event")
 192         );
 193
 194         wprintf("</TD></TR>\n");
 195
 196         /**
 197          * If this is an all-day-event, set the end time to be identical to
 198          * the start time (the hour/minute/second will be set to midnight).
 199          * Otherwise extract or create it.
 200          */
 201         wprintf("<TR><TD><B>");
 202         wprintf(_("End"));
 203         wprintf("</B></TD><TD id=\"dtendcell\">\n");
 204         if (t_start.is_date) {
 205                 t_end = t_start;
 206         }
 207         else {
 208                 p = icalcomponent_get_first_property(vevent,
 209                                                         ICAL_DTEND_PROPERTY);
 210                 if (p != NULL) {
 211                         t_end = icalproperty_get_dtend(p);
 212                 }
 213                 else {
 214                         /**
 215                          * If this is not an all-day event and there is no
 216                          * end time specified, make the default one hour
 217                          * from the start time.
 218                          */
 219                         t_end = t_start;
 220                         t_end.hour += 1;
 221                         t_end.second = 0;
 222                         t_end = icaltime_normalize(t_end);
 223                         /* t_end = icaltime_from_timet(now, 0); */
 224                 }
 225         }
 226         display_icaltimetype_as_webform(&t_end, "dtend");
 227         wprintf("</TD></TR>\n");
 228
 229         wprintf("<TR><TD><B>");
 230         wprintf(_("Notes"));
 231         wprintf("</B></TD><TD>\n"
 232                 "<TEXTAREA NAME=\"description\" wrap=soft "
 233                 "ROWS=5 COLS=80 WIDTH=80>\n"
 234         );
 235         p = icalcomponent_get_first_property(vevent, ICAL_DESCRIPTION_PROPERTY);
 236         if (p != NULL) {
 237                 escputs((char *)icalproperty_get_comment(p));
 238         }
 239         wprintf("</TEXTAREA></TD></TR>");
 240
 241         /**
 242          * For a new event, the user creating the event should be the
 243          * organizer.  Set this field accordingly.
 244          */
 245         if (icalcomponent_get_first_property(vevent, ICAL_ORGANIZER_PROPERTY)
 246            == NULL) {
 247                 sprintf(organizer_string, "MAILTO:%s", WC->cs_inet_email);
 248                 icalcomponent_add_property(vevent,
 249                         icalproperty_new_organizer(organizer_string)
 250                 );
 251         }
 252
 253         /**
 254          * Determine who is the organizer of this event.
 255          * We need to determine "me" or "not me."
 256          */
 257         organizer = icalcomponent_get_first_property(vevent, ICAL_ORGANIZER_PROPERTY);
 258         if (organizer != NULL) {
 259                 strcpy(organizer_string, icalproperty_get_organizer(organizer));
 260                 if (!strncasecmp(organizer_string, "MAILTO:", 7)) {
 261                         strcpy(organizer_string, &organizer_string[7]);
 262                         striplt(organizer_string);
 263                         serv_printf("ISME %s", organizer_string);
 264                         serv_getln(buf, sizeof buf);
 265                         if (buf[0] == '2') {
 266                                 organizer_is_me = 1;
 267                         }
 268                 }
 269         }
 270
 271         wprintf("<TR><TD><B>");
 272         wprintf(_("Organizer"));
 273         wprintf("</B></TD><TD>");
 274         escputs(organizer_string);
 275         if (organizer_is_me) {
 276                 wprintf(" <FONT SIZE=-1><I>");
 277                 wprintf(_("(you are the organizer)"));
 278                 wprintf("</I></FONT>\n");
 279         }
 280
 281         /**
 282          * Transmit the organizer as a hidden field.   We don't want the user
 283          * to be able to change it, but we do want it fed back to the server,
 284          * especially if this is a new event and there is no organizer already
 285          * in the calendar object.
 286          */
 287         wprintf("<INPUT TYPE=\"hidden\" NAME=\"organizer\" VALUE=\"");
 288         escputs(organizer_string);
 289         wprintf("\">");
 290
 291         wprintf("</TD></TR>\n");
 292
 293         /** Transparency */
 294         wprintf("<TR><TD><B>");
 295         wprintf(_("Show time as:"));
 296         wprintf("</B></TD><TD>");
 297
 298         p = icalcomponent_get_first_property(vevent, ICAL_TRANSP_PROPERTY);
 299         if (p == NULL) {
 300                 /** No transparency found.  Default to opaque (busy). */
 301                 p = icalproperty_new_transp(ICAL_TRANSP_OPAQUE);
 302                 if (p != NULL) {
 303                         icalcomponent_add_property(vevent, p);
 304                 }
 305         }
 306         if (p != NULL) {
 307                 v = icalproperty_get_value(p);
 308         }
 309         else {
 310                 v = NULL;
 311         }
 312
 313         wprintf("<INPUT TYPE=\"radio\" NAME=\"transp\" VALUE=\"transparent\"");
 314         if (v != NULL) if (icalvalue_get_transp(v) == ICAL_TRANSP_TRANSPARENT)
 315                 wprintf(" CHECKED");
 316         wprintf(">");
 317         wprintf(_("Free"));
 318         wprintf("&nbsp;&nbsp;");
 319
 320         wprintf("<INPUT TYPE=\"radio\" NAME=\"transp\" VALUE=\"opaque\"");
 321         if (v != NULL) if (icalvalue_get_transp(v) == ICAL_TRANSP_OPAQUE)
 322                 wprintf(" CHECKED");
 323         wprintf(">");
 324         wprintf(_("Busy"));
 325
 326         wprintf("</TD></TR>\n");
 327
 328         /** Attendees */
 329         wprintf("<TR><TD><B>");
 330         wprintf(_("Attendees"));
 331         wprintf("</B><br />"
 332                 "<font size=-2>");
 333         wprintf(_("(One per line)"));
 334         wprintf("</font>\n");
 335
 336         /** Pop open an address book -- begin **/
 337         wprintf(
 338                 "&nbsp;<a href=\"javascript:PopOpenAddressBook('attendees_box|%s');\" "
 339                 "title=\"%s\">"
 340                 "<img align=middle border=0 width=24 height=24 src=\"static/viewcontacts_24x.gif\">"
 341                 "</a>",
 342                 _("Attendees"),
 343                 _("Contacts")
 344         );
 345         /** Pop open an address book -- end **/
 346
 347         wprintf("</TD><TD>"
 348                 "<TEXTAREA %s NAME=\"attendees\" id=\"attendees_box\" wrap=soft "
 349                 "ROWS=3 COLS=80 WIDTH=80>\n",
 350                 (organizer_is_me ? "" : "DISABLED ")
 351         );
 352         i = 0;
 353         for (attendee = icalcomponent_get_first_property(vevent, ICAL_ATTENDEE_PROPERTY);
 354             attendee != NULL;
 355             attendee = icalcomponent_get_next_property(vevent, ICAL_ATTENDEE_PROPERTY)) {
 356                 strcpy(attendee_string, icalproperty_get_attendee(attendee));
 357                 if (!strncasecmp(attendee_string, "MAILTO:", 7)) {
 358
 359                         /** screen name or email address */
 360                         strcpy(attendee_string, &attendee_string[7]);
 361                         striplt(attendee_string);
 362                         if (i++) wprintf("\n");
 363                         escputs(attendee_string);
 364                         wprintf(" ");
 365
 366                         /** participant status */
 367                         partstat_as_string(buf, attendee);
 368                         escputs(buf);
 369                 }
 370         }
 371         wprintf("</TEXTAREA></TD></TR>\n");
 372
 373         /** Done with properties. */
 374         wprintf("</TABLE>\n<CENTER>"
 375                 "<INPUT TYPE=\"submit\" NAME=\"save_button\" VALUE=\"%s\">"
 376                 "&nbsp;&nbsp;"
 377                 "<INPUT TYPE=\"submit\" NAME=\"delete_button\" VALUE=\"%s\">\n"
 378                 "&nbsp;&nbsp;"
 379                 "<INPUT TYPE=\"submit\" NAME=\"check_button\" "
 380                                 "VALUE=\"%s\">\n"
 381                 "&nbsp;&nbsp;"
 382                 "<INPUT TYPE=\"submit\" NAME=\"cancel_button\" VALUE=\"%s\">\n"
 383                 "</CENTER>\n",
 384                 _("Save"),
 385                 _("Delete"),
 386                 _("Check attendee availability"),
 387                 _("Cancel")
 388         );
 389
 390         wprintf("</FORM>\n");
 391 #ifndef TECH_PREVIEW
 392         wprintf("</td></tr></table>");
 393 #endif
 394
 395 #ifdef TECH_PREVIEW
 396         end_tab(0, 3);
 397
 398         /* Attendees tab (need to move things here) */
 399         begin_tab(1, 3);
 400         end_tab(1, 3);
 401
 402         /* Recurrence tab */
 403         begin_tab(2, 3);
 404         icalproperty *rrule = NULL;
 405         struct icalrecurrencetype recur;
 406
 407         rrule = icalcomponent_get_first_property(vevent, ICAL_RRULE_PROPERTY);
 408         if (rrule) {
 409                 recur = icalproperty_get_rrule(rrule);
 410                 wprintf("<tt>%s</tt><br />\n", icalrecurrencetype_as_string(&recur));
 411         }
 412         end_tab(2, 3);
 413
 414 #endif
 415
 416         wprintf("</div>\n");
 417
 418         wprintf("<script type=\"text/javascript\">"
 419                 "eventEditAllDay();"
 420                 "</script>\n"
 421         );
 422         address_book_popup();
 423         wDumpContent(1);
 424
 425         if (created_new_vevent) {
 426                 icalcomponent_free(vevent);
 427         }
 428 }
 429
 430 /**
 431  * \brief Save an edited event
 432  * \param supplied_vevent the event to save
 433  * \param msgnum the index on the citserver
 434  */
 435 void save_individual_event(icalcomponent *supplied_vevent, long msgnum, char *from, int unread) {
 436         char buf[SIZ];
 437         icalproperty *prop;
 438         icalcomponent *vevent, *encaps;
 439         int created_new_vevent = 0;
 440         int all_day_event = 0;
 441         struct icaltimetype event_start, t;
 442         icalproperty *attendee = NULL;
 443         char attendee_string[SIZ];
 444         int i, j;
 445         int foundit;
 446         char form_attendees[SIZ];
 447         char organizer_string[SIZ];
 448         int sequence = 0;
 449         enum icalproperty_transp formtransp = ICAL_TRANSP_NONE;
 450
 451         if (supplied_vevent != NULL) {
 452                 vevent = supplied_vevent;
 453                 /**
 454                  * If we're looking at a fully encapsulated VCALENDAR
 455                  * rather than a VEVENT component, attempt to use the first
 456                  * relevant VEVENT subcomponent.  If there is none, the
 457                  * NULL returned by icalcomponent_get_first_component() will
 458                  * tell the next iteration of this function to create a
 459                  * new one.
 460                  */
 461                 if (icalcomponent_isa(vevent) == ICAL_VCALENDAR_COMPONENT) {
 462                         save_individual_event(
 463                                 icalcomponent_get_first_component(
 464                                         vevent, ICAL_VEVENT_COMPONENT),
 465                                 msgnum, from, unread
 466                         );
 467                         return;
 468                 }
 469         }
 470         else {
 471                 vevent = icalcomponent_new(ICAL_VEVENT_COMPONENT);
 472                 created_new_vevent = 1;
 473         }
 474
 475         if ( (havebstr("save_button"))
 476            || (havebstr("check_button")) ) {
 477
 478                 /** Replace values in the component with ones from the form */
 479
 480                 while (prop = icalcomponent_get_first_property(vevent,
 481                       ICAL_SUMMARY_PROPERTY), prop != NULL) {
 482                         icalcomponent_remove_property(vevent, prop);
 483                         icalproperty_free(prop);
 484                 }
 485
 486                 if (havebstr("summary")) {
 487
 488                         icalcomponent_add_property(vevent,
 489                                         icalproperty_new_summary(bstr("summary")));
 490                 } else {
 491                         icalcomponent_add_property(vevent,
 492                                         icalproperty_new_summary("Untitled Event"));
 493                 }
 494
 495                 while (prop = icalcomponent_get_first_property(vevent,
 496                                         ICAL_LOCATION_PROPERTY), prop != NULL) {
 497                         icalcomponent_remove_property(vevent, prop);
 498                         icalproperty_free(prop);
 499                 }
 500                 if (havebstr("location")) {
 501                         icalcomponent_add_property(vevent,
 502                                         icalproperty_new_location(bstr("location")));
 503                 }
 504                 while (prop = icalcomponent_get_first_property(vevent,
 505                                   ICAL_DESCRIPTION_PROPERTY), prop != NULL) {
 506                         icalcomponent_remove_property(vevent, prop);
 507                         icalproperty_free(prop);
 508                 }
 509                 if (havebstr("description")) {
 510                         icalcomponent_add_property(vevent,
 511                                 icalproperty_new_description(bstr("description")));
 512                 }
 513
 514                 while (prop = icalcomponent_get_first_property(vevent,
 515                       ICAL_DTSTART_PROPERTY), prop != NULL) {
 516                         icalcomponent_remove_property(vevent, prop);
 517                         icalproperty_free(prop);
 518                 }
 519
 520                 if (yesbstr("alldayevent")) {
 521                         all_day_event = 1;
 522                 }
 523                 else {
 524                         all_day_event = 0;
 525                 }
 526
 527                 if (all_day_event) {
 528                         icaltime_from_webform_dateonly(&event_start, "dtstart");
 529                 }
 530                 else {
 531                         icaltime_from_webform(&event_start, "dtstart");
 532                 }
 533
 534                 /**
 535                  * The following odd-looking snippet of code looks like it
 536                  * takes some unnecessary steps.  It is done this way because
 537                  * libical incorrectly turns an "all day event" into a normal
 538                  * event starting at midnight (i.e. it serializes as date/time
 539                  * instead of just date) unless icalvalue_new_date() is used.
 540                  * So we force it, if this is an all day event.
 541                  */
 542                 prop = icalproperty_new_dtstart(event_start);
 543                 if (all_day_event) {
 544                         icalproperty_set_value(prop, icalvalue_new_date(event_start));
 545                 }
 546
 547                 if (prop) icalcomponent_add_property(vevent, prop);
 548                 else icalproperty_free(prop);
 549
 550                 while (prop = icalcomponent_get_first_property(vevent,
 551                       ICAL_DTEND_PROPERTY), prop != NULL) {
 552                         icalcomponent_remove_property(vevent, prop);
 553                         icalproperty_free(prop);
 554                 }
 555                 while (prop = icalcomponent_get_first_property(vevent,
 556                       ICAL_DURATION_PROPERTY), prop != NULL) {
 557                         icalcomponent_remove_property(vevent, prop);
 558                         icalproperty_free(prop);
 559                 }
 560
 561                 if (all_day_event == 0) {
 562                         icaltime_from_webform(&t, "dtend");
 563                         icalcomponent_add_property(vevent,
 564                                 icalproperty_new_dtend(icaltime_normalize(t)
 565                                 )
 566                         );
 567                 }
 568
 569                 /** See if transparency is indicated */
 570                 if (havebstr("transp")) {
 571                         if (!strcasecmp(bstr("transp"), "opaque")) {
 572                                 formtransp = ICAL_TRANSP_OPAQUE;
 573                         }
 574                         else if (!strcasecmp(bstr("transp"), "transparent")) {
 575                                 formtransp = ICAL_TRANSP_TRANSPARENT;
 576                         }
 577
 578                         while (prop = icalcomponent_get_first_property(vevent, ICAL_TRANSP_PROPERTY),
 579                               (prop != NULL)) {
 580                                 icalcomponent_remove_property(vevent, prop);
 581                                 icalproperty_free(prop);
 582                         }
 583
 584                         icalcomponent_add_property(vevent, icalproperty_new_transp(formtransp));
 585                 }
 586
 587                 /** Give this event a UID if it doesn't have one. */
 588                 if (icalcomponent_get_first_property(vevent,
 589                    ICAL_UID_PROPERTY) == NULL) {
 590                         generate_uuid(buf);
 591                         icalcomponent_add_property(vevent, icalproperty_new_uid(buf));
 592                 }
 593
 594                 /** Increment the sequence ID */
 595                 while (prop = icalcomponent_get_first_property(vevent,
 596                       ICAL_SEQUENCE_PROPERTY), (prop != NULL) ) {
 597                         i = icalproperty_get_sequence(prop);
 598                         if (i > sequence) sequence = i;
 599                         icalcomponent_remove_property(vevent, prop);
 600                         icalproperty_free(prop);
 601                 }
 602                 ++sequence;
 603                 icalcomponent_add_property(vevent,
 604                         icalproperty_new_sequence(sequence)
 605                 );
 606
 607                 /**
 608                  * Set the organizer, only if one does not already exist *and*
 609                  * the form is supplying one
 610                  */
 611                 strcpy(buf, bstr("organizer"));
 612                 if ( (icalcomponent_get_first_property(vevent,
 613                    ICAL_ORGANIZER_PROPERTY) == NULL)
 614                    && (!IsEmptyStr(buf)) ) {
 615
 616                         /** set new organizer */
 617                         sprintf(organizer_string, "MAILTO:%s", buf);
 618                         icalcomponent_add_property(vevent,
 619                                 icalproperty_new_organizer(organizer_string)
 620                         );
 621
 622                 }
 623
 624                 /**
 625                  * Add any new attendees listed in the web form
 626                  */
 627
 628                 /* First, strip out the parenthesized partstats.  */
 629                 strcpy(form_attendees, bstr("attendees"));
 630                 stripout(form_attendees, '(', ')');
 631
 632                 /* Next, change any commas to newlines, because we want newline-separated attendees. */
 633                 j = strlen(form_attendees);
 634                 for (i=0; i<j; ++i) {
 635                         if (form_attendees[i] == ',') {
 636                                 form_attendees[i] = '\n';
 637                                 while (isspace(form_attendees[i+1])) {
 638                                         strcpy(&form_attendees[i+1], &form_attendees[i+2]);
 639                                 }
 640                         }
 641                 }
 642
 643                 /** Now iterate! */
 644                 for (i=0; i<num_tokens(form_attendees, '\n'); ++i) {
 645                         extract_token(buf, form_attendees, i, '\n', sizeof buf);
 646                         striplt(buf);
 647                         if (!IsEmptyStr(buf)) {
 648                                 sprintf(attendee_string, "MAILTO:%s", buf);
 649                                 foundit = 0;
 650
 651                                 for (attendee = icalcomponent_get_first_property(vevent, ICAL_ATTENDEE_PROPERTY); attendee != NULL; attendee = icalcomponent_get_next_property(vevent, ICAL_ATTENDEE_PROPERTY)) {
 652                                         if (!strcasecmp(attendee_string,
 653                                            icalproperty_get_attendee(attendee)))
 654                                                 ++foundit;
 655                                 }
 656
 657
 658                                 if (foundit == 0) {
 659                                         icalcomponent_add_property(vevent,
 660                                                 icalproperty_new_attendee(attendee_string)
 661                                         );
 662                                 }
 663                         }
 664                 }
 665
 666                 /**
 667                  * Remove any attendees *not* listed in the web form
 668                  */
 669 STARTOVER:      for (attendee = icalcomponent_get_first_property(vevent, ICAL_ATTENDEE_PROPERTY); attendee != NULL; attendee = icalcomponent_get_next_property(vevent, ICAL_ATTENDEE_PROPERTY)) {
 670                         strcpy(attendee_string, icalproperty_get_attendee(attendee));
 671                         if (!strncasecmp(attendee_string, "MAILTO:", 7)) {
 672                                 strcpy(attendee_string, &attendee_string[7]);
 673                                 striplt(attendee_string);
 674                                 foundit = 0;
 675                                 for (i=0; i<num_tokens(form_attendees, '\n'); ++i) {
 676                                         extract_token(buf, form_attendees, i, '\n', sizeof buf);
 677                                         striplt(buf);
 678                                         if (!strcasecmp(buf, attendee_string)) ++foundit;
 679                                 }
 680                                 if (foundit == 0) {
 681                                         icalcomponent_remove_property(vevent, attendee);
 682                                         icalproperty_free(attendee);
 683                                         goto STARTOVER;
 684                                 }
 685                         }
 686                 }
 687
 688                 /**
 689                  * Encapsulate event into full VCALENDAR component.  Clone it first,
 690                  * for two reasons: one, it's easier to just free the whole thing
 691                  * when we're done instead of unbundling, but more importantly, we
 692                  * can't encapsulate something that may already be encapsulated
 693                  * somewhere else.
 694                  */
 695                 encaps = ical_encapsulate_subcomponent(icalcomponent_new_clone(vevent));
 696
 697                 /* Set the method to PUBLISH */
 698                 icalcomponent_set_method(encaps, ICAL_METHOD_PUBLISH);
 699
 700                 /** If the user clicked 'Save' then save it to the server. */
 701                 if ( (encaps != NULL) && (havebstr("save_button")) ) {
 702                         serv_puts("ENT0 1|||4|||1|");
 703                         serv_getln(buf, sizeof buf);
 704                         if (buf[0] == '8') {
 705                                 serv_puts("Content-type: text/calendar");
 706                                 serv_puts("");
 707                                 serv_puts(icalcomponent_as_ical_string(encaps));
 708                                 serv_puts("000");
 709                         }
 710                         if ( (buf[0] == '8') || (buf[0] == '4') ) {
 711                                 while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
 712                                 }
 713                         }
 714                         if (buf[0] == '2') {
 715                                 strcpy(WC->ImportantMessage, &buf[4]);
 716                         }
 717                         icalmemory_free_ring ();
 718                         icalcomponent_free(encaps);
 719                 }
 720
 721                 /** Or, check attendee availability if the user asked for that. */
 722                 if ( (encaps != NULL) && (havebstr("check_button")) ) {
 723
 724                         /* Call this function, which does the real work */
 725                         check_attendee_availability(encaps);
 726
 727                         /** This displays the form again, with our annotations */
 728                         display_edit_individual_event(encaps, msgnum, from, unread);
 729
 730                         icalcomponent_free(encaps);
 731                 }
 732
 733         }
 734
 735         /**
 736          * If the user clicked 'Delete' then delete it.
 737          */
 738         if ( (havebstr("delete_button")) && (msgnum > 0L) ) {
 739                 serv_printf("DELE %ld", lbstr("msgnum"));
 740                 serv_getln(buf, sizeof buf);
 741         }
 742
 743         if (created_new_vevent) {
 744                 icalcomponent_free(vevent);
 745         }
 746
 747         /** If this was a save or delete, go back to the calendar view. */
 748         if (!havebstr("check_button")) {
 749                 readloop("readfwd");
 750         }
 751 }