webcit/event.c

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