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