webcit/event.c

   1 /*
   2  * $Id$
   3  *
   4  * Editing calendar events.
   5  */
   6
   7 #include "webcit.h"
   8 #include "webserver.h"
   9
  10 /*
  11  * Display an event by itself (for editing)
  12  * supplied_vevent      the event to edit
  13  * msgnum               reference on the citserver
  14  */
  15 void display_edit_individual_event(icalcomponent *supplied_vevent, long msgnum, char *from, int unread) {
  16         icalcomponent *vevent;
  17         icalproperty *p;
  18         icalvalue *v;
  19         struct icaltimetype t_start, t_end;
  20         time_t now;
  21         struct tm tm_now;
  22         int created_new_vevent = 0;
  23         icalproperty *organizer = NULL;
  24         char organizer_string[SIZ];
  25         icalproperty *attendee = NULL;
  26         char attendee_string[SIZ];
  27         char buf[SIZ];
  28         int organizer_is_me = 0;
  29         int i, j = 0;
  30         int sequence = 0;
  31         char weekday_labels[7][32];
  32         long weekstart = 0;
  33
  34         get_pref_long("weekstart", &weekstart, 17);
  35         if (weekstart > 6) weekstart = 0;
  36
  37         lprintf(9, "display_edit_individual_event(%ld) calview=%s year=%s month=%s day=%s\n",
  38                 msgnum, bstr("calview"), bstr("year"), bstr("month"), bstr("day")
  39         );
  40
  41         /* populate the weekday names - begin */
  42         now = time(NULL);
  43         localtime_r(&now, &tm_now);
  44         while (tm_now.tm_wday != 0) {
  45                 now -= 86400L;
  46                 localtime_r(&now, &tm_now);
  47         }
  48         for (i=0; i<7; ++i) {
  49                 localtime_r(&now, &tm_now);
  50                 wc_strftime(weekday_labels[i], 32, "%A", &tm_now);
  51                 now += 86400L;
  52         }
  53         /* populate the weekday names - end */
  54
  55         now = time(NULL);
  56         strcpy(organizer_string, "");
  57         strcpy(attendee_string, "");
  58
  59         if (supplied_vevent != NULL) {
  60                 vevent = supplied_vevent;
  61                 /*
  62                  * If we're looking at a fully encapsulated VCALENDAR
  63                  * rather than a VEVENT component, attempt to use the first
  64                  * relevant VEVENT subcomponent.  If there is none, the
  65                  * NULL returned by icalcomponent_get_first_component() will
  66                  * tell the next iteration of this function to create a
  67                  * new one.
  68                  */
  69                 if (icalcomponent_isa(vevent) == ICAL_VCALENDAR_COMPONENT) {
  70                         display_edit_individual_event(
  71                                 icalcomponent_get_first_component(
  72                                         vevent, ICAL_VEVENT_COMPONENT),
  73                                 msgnum, from, unread
  74                         );
  75                         return;
  76                 }
  77         }
  78         else {
  79                 vevent = icalcomponent_new(ICAL_VEVENT_COMPONENT);
  80                 created_new_vevent = 1;
  81         }
  82
  83         /* Learn the sequence */
  84         p = icalcomponent_get_first_property(vevent, ICAL_SEQUENCE_PROPERTY);
  85         if (p != NULL) {
  86                 sequence = icalproperty_get_sequence(p);
  87         }
  88
  89         /* Begin output */
  90         output_headers(1, 1, 2, 0, 0, 0);
  91         wprintf("<div id=\"banner\">\n");
  92         wprintf("<h1>");
  93         wprintf(_("Add or edit an event"));
  94         wprintf("</h1>");
  95         wprintf("</div>\n");
  96
  97         wprintf("<div id=\"content\" class=\"service\">\n");
  98
  99         wprintf("<div class=\"fix_scrollbar_bug\">");
 100
 101         /************************************************************
 102          * Uncomment this to see the UID in calendar events for debugging
 103         wprintf("UID == ");
 104         p = icalcomponent_get_first_property(vevent, ICAL_UID_PROPERTY);
 105         if (p != NULL) {
 106                 escputs((char *)icalproperty_get_comment(p));
 107         }
 108         wprintf("<br />\n");
 109         wprintf("SEQUENCE == %d<br />\n", sequence);
 110         *************************************************************/
 111
 112         wprintf("<FORM NAME=\"EventForm\" METHOD=\"POST\" action=\"save_event\">\n");
 113         wprintf("<input type=\"hidden\" name=\"nonce\" value=\"%d\">\n", WC->nonce);
 114
 115         wprintf("<INPUT TYPE=\"hidden\" NAME=\"msgnum\" VALUE=\"%ld\">\n",
 116                 msgnum);
 117         wprintf("<INPUT TYPE=\"hidden\" NAME=\"calview\" VALUE=\"%s\">\n",
 118                 bstr("calview"));
 119         wprintf("<INPUT TYPE=\"hidden\" NAME=\"year\" VALUE=\"%s\">\n",
 120                 bstr("year"));
 121         wprintf("<INPUT TYPE=\"hidden\" NAME=\"month\" VALUE=\"%s\">\n",
 122                 bstr("month"));
 123         wprintf("<INPUT TYPE=\"hidden\" NAME=\"day\" VALUE=\"%s\">\n",
 124                 bstr("day"));
 125
 126         char *tabnames[] = {
 127                 _("Event"),
 128                 _("Attendees"),
 129                 _("Recurrence")
 130         };
 131
 132         tabbed_dialog(3, tabnames);
 133         begin_tab(0, 3);
 134
 135         /* Put it in a borderless table so it lines up nicely */
 136         wprintf("<TABLE border=0 width=100%%>\n");
 137
 138         wprintf("<TR><TD><B>");
 139         wprintf(_("Summary"));
 140         wprintf("</B></TD><TD>\n"
 141                 "<INPUT TYPE=\"text\" NAME=\"summary\" "
 142                 "MAXLENGTH=\"64\" SIZE=\"64\" VALUE=\"");
 143         p = icalcomponent_get_first_property(vevent, ICAL_SUMMARY_PROPERTY);
 144         if (p != NULL) {
 145                 escputs((char *)icalproperty_get_comment(p));
 146         }
 147         wprintf("\"></TD></TR>\n");
 148
 149         wprintf("<TR><TD><B>");
 150         wprintf(_("Location"));
 151         wprintf("</B></TD><TD>\n"
 152                 "<INPUT TYPE=\"text\" NAME=\"location\" "
 153                 "MAXLENGTH=\"64\" SIZE=\"64\" VALUE=\"");
 154         p = icalcomponent_get_first_property(vevent, ICAL_LOCATION_PROPERTY);
 155         if (p != NULL) {
 156                 escputs((char *)icalproperty_get_comment(p));
 157         }
 158         wprintf("\"></TD></TR>\n");
 159
 160         wprintf("<TR><TD><B>");
 161         wprintf(_("Start"));
 162         wprintf("</B></TD><TD>\n");
 163         p = icalcomponent_get_first_property(vevent, ICAL_DTSTART_PROPERTY);
 164         if (p != NULL) {
 165                 t_start = icalproperty_get_dtstart(p);
 166                 if (t_start.is_date) {
 167                         t_start.hour = 0;
 168                         t_start.minute = 0;
 169                         t_start.second = 0;
 170                 }
 171         }
 172         else {
 173                 localtime_r(&now, &tm_now);
 174                 if (havebstr("year")) {
 175                         tm_now.tm_year = ibstr("year") - 1900;
 176                         tm_now.tm_mon = ibstr("month") - 1;
 177                         tm_now.tm_mday = ibstr("day");
 178                 }
 179                 if (havebstr("hour")) {
 180                         tm_now.tm_hour = ibstr("hour");
 181                         tm_now.tm_min = ibstr("minute");
 182                         tm_now.tm_sec = 0;
 183                 }
 184                 else {
 185                         tm_now.tm_hour = 0;
 186                         tm_now.tm_min = 0;
 187                         tm_now.tm_sec = 0;
 188                 }
 189
 190                 t_start = icaltime_from_timet_with_zone(
 191                         mktime(&tm_now),
 192                         ((yesbstr("alldayevent")) ? 1 : 0),
 193                         icaltimezone_get_utc_timezone()
 194                 );
 195                 t_start.is_utc = 1;
 196
 197         }
 198         display_icaltimetype_as_webform(&t_start, "dtstart", 0);
 199
 200         wprintf("<INPUT TYPE=\"checkbox\" id=\"alldayevent\" NAME=\"alldayevent\" "
 201                 "VALUE=\"yes\" onclick=\"eventEditAllDay();\""
 202                 " %s >%s",
 203                 (t_start.is_date ? "CHECKED=\"CHECKED\"" : "" ),
 204                 _("All day event")
 205         );
 206
 207         wprintf("</TD></TR>\n");
 208
 209         /*
 210          * If this is an all-day-event, set the end time to be identical to
 211          * the start time (the hour/minute/second will be set to midnight).
 212          * Otherwise extract or create it.
 213          */
 214         wprintf("<TR><TD><B>");
 215         wprintf(_("End"));
 216         wprintf("</B></TD><TD id=\"dtendcell\">\n");
 217         if (t_start.is_date) {
 218                 t_end = t_start;
 219         }
 220         else {
 221                 p = icalcomponent_get_first_property(vevent,
 222                                                         ICAL_DTEND_PROPERTY);
 223                 if (p != NULL) {
 224                         t_end = icalproperty_get_dtend(p);
 225                 }
 226                 else {
 227                         /*
 228                          * If this is not an all-day event and there is no
 229                          * end time specified, make the default one hour
 230                          * from the start time.
 231                          */
 232                         t_end = t_start;
 233                         t_end.hour += 1;
 234                         t_end.second = 0;
 235                         t_end = icaltime_normalize(t_end);
 236                         /* t_end = icaltime_from_timet(now, 0); */
 237                 }
 238         }
 239         display_icaltimetype_as_webform(&t_end, "dtend", 0);
 240         wprintf("</TD></TR>\n");
 241
 242         wprintf("<TR><TD><B>");
 243         wprintf(_("Notes"));
 244         wprintf("</B></TD><TD>\n"
 245                 "<TEXTAREA NAME=\"description\" wrap=soft "
 246                 "ROWS=5 COLS=80 WIDTH=80>\n"
 247         );
 248         p = icalcomponent_get_first_property(vevent, ICAL_DESCRIPTION_PROPERTY);
 249         if (p != NULL) {
 250                 escputs((char *)icalproperty_get_comment(p));
 251         }
 252         wprintf("</TEXTAREA></TD></TR>");
 253
 254         /**
 255          * For a new event, the user creating the event should be the
 256          * organizer.  Set this field accordingly.
 257          */
 258         if (icalcomponent_get_first_property(vevent, ICAL_ORGANIZER_PROPERTY)
 259            == NULL) {
 260                 sprintf(organizer_string, "MAILTO:%s", WC->cs_inet_email);
 261                 icalcomponent_add_property(vevent,
 262                         icalproperty_new_organizer(organizer_string)
 263                 );
 264         }
 265
 266         /**
 267          * Determine who is the organizer of this event.
 268          * We need to determine "me" or "not me."
 269          */
 270         organizer = icalcomponent_get_first_property(vevent, ICAL_ORGANIZER_PROPERTY);
 271         if (organizer != NULL) {
 272                 strcpy(organizer_string, icalproperty_get_organizer(organizer));
 273                 if (!strncasecmp(organizer_string, "MAILTO:", 7)) {
 274                         strcpy(organizer_string, &organizer_string[7]);
 275                         striplt(organizer_string);
 276                         serv_printf("ISME %s", organizer_string);
 277                         serv_getln(buf, sizeof buf);
 278                         if (buf[0] == '2') {
 279                                 organizer_is_me = 1;
 280                         }
 281                 }
 282         }
 283
 284         wprintf("<TR><TD><B>");
 285         wprintf(_("Organizer"));
 286         wprintf("</B></TD><TD>");
 287         escputs(organizer_string);
 288         if (organizer_is_me) {
 289                 wprintf(" <FONT SIZE=-1><I>");
 290                 wprintf(_("(you are the organizer)"));
 291                 wprintf("</I></FONT>\n");
 292         }
 293
 294         /**
 295          * Transmit the organizer as a hidden field.   We don't want the user
 296          * to be able to change it, but we do want it fed back to the server,
 297          * especially if this is a new event and there is no organizer already
 298          * in the calendar object.
 299          */
 300         wprintf("<INPUT TYPE=\"hidden\" NAME=\"organizer\" VALUE=\"");
 301         escputs(organizer_string);
 302         wprintf("\">");
 303
 304         wprintf("</TD></TR>\n");
 305
 306         /** Transparency */
 307         wprintf("<TR><TD><B>");
 308         wprintf(_("Show time as:"));
 309         wprintf("</B></TD><TD>");
 310
 311         p = icalcomponent_get_first_property(vevent, ICAL_TRANSP_PROPERTY);
 312         if (p == NULL) {
 313                 /** No transparency found.  Default to opaque (busy). */
 314                 p = icalproperty_new_transp(ICAL_TRANSP_OPAQUE);
 315                 if (p != NULL) {
 316                         icalcomponent_add_property(vevent, p);
 317                 }
 318         }
 319         if (p != NULL) {
 320                 v = icalproperty_get_value(p);
 321         }
 322         else {
 323                 v = NULL;
 324         }
 325
 326         wprintf("<INPUT TYPE=\"radio\" NAME=\"transp\" VALUE=\"transparent\"");
 327         if (v != NULL) if (icalvalue_get_transp(v) == ICAL_TRANSP_TRANSPARENT)
 328                 wprintf(" CHECKED");
 329         wprintf(">");
 330         wprintf(_("Free"));
 331         wprintf("&nbsp;&nbsp;");
 332
 333         wprintf("<INPUT TYPE=\"radio\" NAME=\"transp\" VALUE=\"opaque\"");
 334         if (v != NULL) if (icalvalue_get_transp(v) == ICAL_TRANSP_OPAQUE)
 335                 wprintf(" CHECKED");
 336         wprintf(">");
 337         wprintf(_("Busy"));
 338
 339         wprintf("</TD></TR>\n");
 340
 341
 342         /** Done with properties. */
 343         wprintf("</TABLE>\n");
 344
 345         end_tab(0, 3);
 346
 347         /* Attendees tab (need to move things here) */
 348         begin_tab(1, 3);
 349         wprintf("<TABLE border=0 width=100%%>\n");      /* same table style as the event tab */
 350         wprintf("<TR><TD><B>");
 351         wprintf(_("Attendees"));
 352         wprintf("</B><br />"
 353                 "<font size=-2>");
 354         wprintf(_("(One per line)"));
 355         wprintf("</font>\n");
 356
 357         /** Pop open an address book -- begin **/
 358         wprintf(
 359                 "&nbsp;<a href=\"javascript:PopOpenAddressBook('attendees_box|%s');\" "
 360                 "title=\"%s\">"
 361                 "<img align=middle border=0 width=24 height=24 src=\"static/viewcontacts_24x.gif\">"
 362                 "</a>",
 363                 _("Attendees"),
 364                 _("Contacts")
 365         );
 366         /* Pop open an address book -- end **/
 367
 368         wprintf("</TD><TD>"
 369                 "<TEXTAREA %s NAME=\"attendees\" id=\"attendees_box\" wrap=soft "
 370                 "ROWS=3 COLS=80 WIDTH=80>\n",
 371                 (organizer_is_me ? "" : "DISABLED ")
 372         );
 373         i = 0;
 374         for (attendee = icalcomponent_get_first_property(vevent, ICAL_ATTENDEE_PROPERTY);
 375             attendee != NULL;
 376             attendee = icalcomponent_get_next_property(vevent, ICAL_ATTENDEE_PROPERTY)) {
 377                 strcpy(attendee_string, icalproperty_get_attendee(attendee));
 378                 if (!strncasecmp(attendee_string, "MAILTO:", 7)) {
 379
 380                         /** screen name or email address */
 381                         strcpy(attendee_string, &attendee_string[7]);
 382                         striplt(attendee_string);
 383                         if (i++) wprintf("\n");
 384                         escputs(attendee_string);
 385                         wprintf(" ");
 386
 387                         /** participant status */
 388                         partstat_as_string(buf, attendee);
 389                         escputs(buf);
 390                 }
 391         }
 392         wprintf("</TEXTAREA></TD></TR>\n");
 393         wprintf("</TABLE>\n");
 394         end_tab(1, 3);
 395
 396         /* Recurrence tab */
 397         begin_tab(2, 3);
 398         icalproperty *rrule = NULL;
 399         struct icalrecurrencetype recur;
 400
 401         rrule = icalcomponent_get_first_property(vevent, ICAL_RRULE_PROPERTY);
 402         if (rrule) {
 403                 recur = icalproperty_get_rrule(rrule);
 404         }
 405         else {
 406                 /* blank recurrence with some sensible defaults */
 407                 memset(&recur, 0, sizeof(struct icalrecurrencetype));
 408                 recur.count = 3;
 409                 recur.until = icaltime_null_time();
 410                 recur.interval = 1;
 411                 recur.freq = ICAL_WEEKLY_RECURRENCE;
 412         }
 413
 414         wprintf("<INPUT TYPE=\"checkbox\" id=\"is_recur\" NAME=\"is_recur\" "
 415                 "VALUE=\"yes\" "
 416                 "onclick=\"RecurrenceShowHide();\""
 417                 " %s >%s",
 418                 (rrule ? "CHECKED=\"CHECKED\"" : "" ),
 419                 _("This is a recurring event")
 420         );
 421
 422         wprintf("<div id=\"rrule\">\n");                /* begin 'rrule' div */
 423
 424         wprintf("<table border=0 width=100%%>\n");      /* same table style as the event tab */
 425
 426         /* Table row displaying raw RRULE data, FIXME remove when finished */
 427         if (rrule) {
 428                 wprintf("<tr><td><b>");
 429                 wprintf("Raw data");
 430                 wprintf("</b></td><td>");
 431                 wprintf("<tt>%s</tt>", icalrecurrencetype_as_string(&recur));
 432                 wprintf("</td></tr>\n");
 433         }
 434
 435         char *frequency_units[] = {
 436                 _("seconds"),
 437                 _("minutes"),
 438                 _("hours"),
 439                 _("days"),
 440                 _("weeks"),
 441                 _("months"),
 442                 _("years"),
 443                 _("never")
 444         };
 445
 446
 447
 448
 449         wprintf("<tr><td><b>");
 450         wprintf(_("Recurrence rule"));
 451         wprintf("</b></td><td>");
 452
 453
 454
 455         if ((recur.freq < 0) || (recur.freq > 6)) recur.freq = 4;
 456         wprintf("%s ", _("Repeats every"));
 457
 458         wprintf("<input type=\"text\" name=\"interval\" maxlength=\"3\" size=\"3\" ");
 459         wprintf("value=\"%d\">&nbsp;", recur.interval);
 460
 461         wprintf("<select name=\"freq\" id=\"freq_selector\" size=\"1\" "
 462                 "onChange=\"RecurrenceShowHide();\">\n");
 463         for (i=0; i<(sizeof frequency_units / sizeof(char *)); ++i) {
 464                 wprintf("<option %s%svalue=\"%d\">%s</option>\n",
 465                         ((i == recur.freq) ? "selected " : ""),
 466                         (((i == recur.freq) || ((i>=3)&&(i<=5))) ? "" : "disabled "),
 467                         i,
 468                         frequency_units[i]
 469                 );
 470         }
 471         wprintf("</select>\n");
 472
 473         wprintf("</td></tr><tr><td> </td><td>");
 474
 475         wprintf("<div id=\"weekday_selector\">");       /* begin 'weekday_selector' div */
 476         wprintf("%s<br>", _("on these weekdays:"));
 477
 478         char weekday_is_selected[7];
 479         memset(weekday_is_selected, 0, 7);
 480
 481         for (i=0; i<ICAL_BY_DAY_SIZE; ++i) {
 482                 if (recur.by_day[i] == ICAL_RECURRENCE_ARRAY_MAX) {
 483                         i = ICAL_RECURRENCE_ARRAY_MAX;                  /* all done */
 484                 }
 485                 else {
 486                         for (j=0; j<7; ++j) {
 487                                 if (icalrecurrencetype_day_day_of_week(recur.by_day[i]) == j+1) {
 488                                         weekday_is_selected[j] = 1;
 489                                 }
 490                         }
 491                 }
 492         }
 493
 494         for (j=0; j<7; ++j) {
 495                 i = ((j + (int)weekstart) % 7);
 496                 wprintf("<input type=\"checkbox\" name=\"weekday%d\" value=\"yes\"", i);
 497                 if (weekday_is_selected[i]) wprintf(" checked");
 498                 wprintf(">%s</input>\n", weekday_labels[i]);
 499         }
 500         wprintf("</div>\n");                            /* end 'weekday_selector' div */
 501
 502         wprintf("</td></tr>\n");
 503
 504
 505         int which_rrend_is_preselected = 0;
 506         if (!icaltime_is_null_time(recur.until)) which_rrend_is_preselected = 2;
 507         if (recur.count > 0) which_rrend_is_preselected = 1;
 508
 509         wprintf("<tr><td><b>");
 510         wprintf(_("Recurrence range"));
 511         wprintf("</b></td><td>\n");
 512
 513         wprintf("<input type=\"radio\" name=\"rrend\" id=\"rrend_none\" "
 514                 "%s onChange=\"RecurrenceShowHide();\">",
 515                 ((which_rrend_is_preselected == 0) ? "checked" : "")
 516         );
 517         wprintf("%s</input><br />\n", _("No ending date"));
 518
 519         wprintf("<input type=\"radio\" name=\"rrend\" id=\"rrend_count\" "
 520                 "%s onChange=\"RecurrenceShowHide();\">",
 521                 ((which_rrend_is_preselected == 1) ? "checked" : "")
 522         );
 523         wprintf(_("Repeat this event"));
 524         wprintf("</input> ");
 525         wprintf("<input type=\"text\" name=\"rrcount\" id=\"rrcount\" maxlength=\"3\" size=\"3\" ");
 526         wprintf("value=\"%d\"> ", recur.count);
 527         wprintf(_("times"));
 528         wprintf("<br />\n");
 529
 530         wprintf("<input type=\"radio\" name=\"rrend\" id=\"rrend_until\" "
 531                 "%s onChange=\"RecurrenceShowHide();\">",
 532                 ((which_rrend_is_preselected == 2) ? "checked" : "")
 533         );
 534         wprintf(_("Repeat this event until "));
 535         wprintf("</input>");
 536
 537         if (icaltime_is_null_time(recur.until)) {
 538                 recur.until = icaltime_add(t_start, icaldurationtype_from_int(604800));
 539         }
 540         display_icaltimetype_as_webform(&recur.until, "rruntil", 1);
 541         wprintf("<br />\n");
 542
 543         wprintf("</td></tr>\n");
 544
 545
 546
 547
 548         wprintf("</table>\n");
 549         wprintf("</div>\n");                            /* end 'rrule' div */
 550
 551         end_tab(2, 3);
 552
 553         /* submit buttons (common area beneath the tabs) */
 554         begin_tab(3, 3);
 555         wprintf("<CENTER>"
 556                 "<INPUT TYPE=\"submit\" NAME=\"save_button\" VALUE=\"%s\">"
 557                 "&nbsp;&nbsp;"
 558                 "<INPUT TYPE=\"submit\" NAME=\"delete_button\" VALUE=\"%s\">\n"
 559                 "&nbsp;&nbsp;"
 560                 "<INPUT TYPE=\"submit\" NAME=\"check_button\" "
 561                                 "VALUE=\"%s\">\n"
 562                 "&nbsp;&nbsp;"
 563                 "<INPUT TYPE=\"submit\" NAME=\"cancel_button\" VALUE=\"%s\">\n"
 564                 "</CENTER>\n",
 565                 _("Save"),
 566                 _("Delete"),
 567                 _("Check attendee availability"),
 568                 _("Cancel")
 569         );
 570         wprintf("</FORM>\n");
 571         end_tab(3, 3);
 572
 573         wprintf("</div>\n");
 574
 575         wprintf("<script type=\"text/javascript\">      \n"
 576                 "eventEditAllDay();     \n"
 577                 "RecurrenceShowHide();  \n"
 578                 "</script>      \n"
 579         );
 580         address_book_popup();
 581         wDumpContent(1);
 582
 583         if (created_new_vevent) {
 584                 icalcomponent_free(vevent);
 585         }
 586 }
 587
 588 /*
 589  * Save an edited event
 590  *
 591  * supplied_vevent:     the event to save
 592  * msgnum:              the index on the citserver
 593  */
 594 void save_individual_event(icalcomponent *supplied_vevent, long msgnum, char *from, int unread) {
 595         char buf[SIZ];
 596         icalproperty *prop;
 597         icalcomponent *vevent, *encaps;
 598         int created_new_vevent = 0;
 599         int all_day_event = 0;
 600         struct icaltimetype event_start, t;
 601         icalproperty *attendee = NULL;
 602         char attendee_string[SIZ];
 603         int i, j;
 604         int foundit;
 605         char form_attendees[SIZ];
 606         char organizer_string[SIZ];
 607         int sequence = 0;
 608         enum icalproperty_transp formtransp = ICAL_TRANSP_NONE;
 609
 610         if (supplied_vevent != NULL) {
 611                 vevent = supplied_vevent;
 612                 /**
 613                  * If we're looking at a fully encapsulated VCALENDAR
 614                  * rather than a VEVENT component, attempt to use the first
 615                  * relevant VEVENT subcomponent.  If there is none, the
 616                  * NULL returned by icalcomponent_get_first_component() will
 617                  * tell the next iteration of this function to create a
 618                  * new one.
 619                  */
 620                 if (icalcomponent_isa(vevent) == ICAL_VCALENDAR_COMPONENT) {
 621                         save_individual_event(
 622                                 icalcomponent_get_first_component(
 623                                         vevent, ICAL_VEVENT_COMPONENT),
 624                                 msgnum, from, unread
 625                         );
 626                         return;
 627                 }
 628         }
 629         else {
 630                 vevent = icalcomponent_new(ICAL_VEVENT_COMPONENT);
 631                 created_new_vevent = 1;
 632         }
 633
 634         if ( (havebstr("save_button"))
 635            || (havebstr("check_button")) ) {
 636
 637                 /** Replace values in the component with ones from the form */
 638
 639                 while (prop = icalcomponent_get_first_property(vevent,
 640                       ICAL_SUMMARY_PROPERTY), prop != NULL) {
 641                         icalcomponent_remove_property(vevent, prop);
 642                         icalproperty_free(prop);
 643                 }
 644
 645                 if (havebstr("summary")) {
 646
 647                         icalcomponent_add_property(vevent,
 648                                         icalproperty_new_summary(bstr("summary")));
 649                 } else {
 650                         icalcomponent_add_property(vevent,
 651                                         icalproperty_new_summary("Untitled Event"));
 652                 }
 653
 654                 while (prop = icalcomponent_get_first_property(vevent,
 655                                         ICAL_LOCATION_PROPERTY), prop != NULL) {
 656                         icalcomponent_remove_property(vevent, prop);
 657                         icalproperty_free(prop);
 658                 }
 659                 if (havebstr("location")) {
 660                         icalcomponent_add_property(vevent,
 661                                         icalproperty_new_location(bstr("location")));
 662                 }
 663                 while (prop = icalcomponent_get_first_property(vevent,
 664                                   ICAL_DESCRIPTION_PROPERTY), prop != NULL) {
 665                         icalcomponent_remove_property(vevent, prop);
 666                         icalproperty_free(prop);
 667                 }
 668                 if (havebstr("description")) {
 669                         icalcomponent_add_property(vevent,
 670                                 icalproperty_new_description(bstr("description")));
 671                 }
 672
 673                 while (prop = icalcomponent_get_first_property(vevent,
 674                       ICAL_DTSTART_PROPERTY), prop != NULL) {
 675                         icalcomponent_remove_property(vevent, prop);
 676                         icalproperty_free(prop);
 677                 }
 678
 679                 if (yesbstr("alldayevent")) {
 680                         all_day_event = 1;
 681                 }
 682                 else {
 683                         all_day_event = 0;
 684                 }
 685
 686                 if (all_day_event) {
 687                         icaltime_from_webform_dateonly(&event_start, "dtstart");
 688                 }
 689                 else {
 690                         icaltime_from_webform(&event_start, "dtstart");
 691                 }
 692
 693                 /**
 694                  * The following odd-looking snippet of code looks like it
 695                  * takes some unnecessary steps.  It is done this way because
 696                  * libical incorrectly turns an "all day event" into a normal
 697                  * event starting at midnight (i.e. it serializes as date/time
 698                  * instead of just date) unless icalvalue_new_date() is used.
 699                  * So we force it, if this is an all day event.
 700                  */
 701                 prop = icalproperty_new_dtstart(event_start);
 702                 if (all_day_event) {
 703                         icalproperty_set_value(prop, icalvalue_new_date(event_start));
 704                 }
 705
 706                 if (prop) icalcomponent_add_property(vevent, prop);
 707                 else icalproperty_free(prop);
 708
 709                 while (prop = icalcomponent_get_first_property(vevent,
 710                       ICAL_DTEND_PROPERTY), prop != NULL) {
 711                         icalcomponent_remove_property(vevent, prop);
 712                         icalproperty_free(prop);
 713                 }
 714                 while (prop = icalcomponent_get_first_property(vevent,
 715                       ICAL_DURATION_PROPERTY), prop != NULL) {
 716                         icalcomponent_remove_property(vevent, prop);
 717                         icalproperty_free(prop);
 718                 }
 719
 720                 if (all_day_event == 0) {
 721                         icaltime_from_webform(&t, "dtend");
 722                         icalcomponent_add_property(vevent,
 723                                 icalproperty_new_dtend(icaltime_normalize(t)
 724                                 )
 725                         );
 726                 }
 727
 728                 /** See if transparency is indicated */
 729                 if (havebstr("transp")) {
 730                         if (!strcasecmp(bstr("transp"), "opaque")) {
 731                                 formtransp = ICAL_TRANSP_OPAQUE;
 732                         }
 733                         else if (!strcasecmp(bstr("transp"), "transparent")) {
 734                                 formtransp = ICAL_TRANSP_TRANSPARENT;
 735                         }
 736
 737                         while (prop = icalcomponent_get_first_property(vevent, ICAL_TRANSP_PROPERTY),
 738                               (prop != NULL)) {
 739                                 icalcomponent_remove_property(vevent, prop);
 740                                 icalproperty_free(prop);
 741                         }
 742
 743                         icalcomponent_add_property(vevent, icalproperty_new_transp(formtransp));
 744                 }
 745
 746                 /** Give this event a UID if it doesn't have one. */
 747                 if (icalcomponent_get_first_property(vevent,
 748                    ICAL_UID_PROPERTY) == NULL) {
 749                         generate_uuid(buf);
 750                         icalcomponent_add_property(vevent, icalproperty_new_uid(buf));
 751                 }
 752
 753                 /** Increment the sequence ID */
 754                 while (prop = icalcomponent_get_first_property(vevent,
 755                       ICAL_SEQUENCE_PROPERTY), (prop != NULL) ) {
 756                         i = icalproperty_get_sequence(prop);
 757                         if (i > sequence) sequence = i;
 758                         icalcomponent_remove_property(vevent, prop);
 759                         icalproperty_free(prop);
 760                 }
 761                 ++sequence;
 762                 icalcomponent_add_property(vevent,
 763                         icalproperty_new_sequence(sequence)
 764                 );
 765
 766                 /**
 767                  * Set the organizer, only if one does not already exist *and*
 768                  * the form is supplying one
 769                  */
 770                 strcpy(buf, bstr("organizer"));
 771                 if ( (icalcomponent_get_first_property(vevent,
 772                    ICAL_ORGANIZER_PROPERTY) == NULL)
 773                    && (!IsEmptyStr(buf)) ) {
 774
 775                         /** set new organizer */
 776                         sprintf(organizer_string, "MAILTO:%s", buf);
 777                         icalcomponent_add_property(vevent,
 778                                 icalproperty_new_organizer(organizer_string)
 779                         );
 780
 781                 }
 782
 783                 /**
 784                  * Add any new attendees listed in the web form
 785                  */
 786
 787                 /* First, strip out the parenthesized partstats.  */
 788                 strcpy(form_attendees, bstr("attendees"));
 789                 stripout(form_attendees, '(', ')');
 790
 791                 /* Next, change any commas to newlines, because we want newline-separated attendees. */
 792                 j = strlen(form_attendees);
 793                 for (i=0; i<j; ++i) {
 794                         if (form_attendees[i] == ',') {
 795                                 form_attendees[i] = '\n';
 796                                 while (isspace(form_attendees[i+1])) {
 797                                         strcpy(&form_attendees[i+1], &form_attendees[i+2]);
 798                                 }
 799                         }
 800                 }
 801
 802                 /** Now iterate! */
 803                 for (i=0; i<num_tokens(form_attendees, '\n'); ++i) {
 804                         extract_token(buf, form_attendees, i, '\n', sizeof buf);
 805                         striplt(buf);
 806                         if (!IsEmptyStr(buf)) {
 807                                 sprintf(attendee_string, "MAILTO:%s", buf);
 808                                 foundit = 0;
 809
 810                                 for (attendee = icalcomponent_get_first_property(vevent, ICAL_ATTENDEE_PROPERTY); attendee != NULL; attendee = icalcomponent_get_next_property(vevent, ICAL_ATTENDEE_PROPERTY)) {
 811                                         if (!strcasecmp(attendee_string,
 812                                            icalproperty_get_attendee(attendee)))
 813                                                 ++foundit;
 814                                 }
 815
 816
 817                                 if (foundit == 0) {
 818                                         icalcomponent_add_property(vevent,
 819                                                 icalproperty_new_attendee(attendee_string)
 820                                         );
 821                                 }
 822                         }
 823                 }
 824
 825                 /**
 826                  * Remove any attendees *not* listed in the web form
 827                  */
 828 STARTOVER:      for (attendee = icalcomponent_get_first_property(vevent, ICAL_ATTENDEE_PROPERTY); attendee != NULL; attendee = icalcomponent_get_next_property(vevent, ICAL_ATTENDEE_PROPERTY)) {
 829                         strcpy(attendee_string, icalproperty_get_attendee(attendee));
 830                         if (!strncasecmp(attendee_string, "MAILTO:", 7)) {
 831                                 strcpy(attendee_string, &attendee_string[7]);
 832                                 striplt(attendee_string);
 833                                 foundit = 0;
 834                                 for (i=0; i<num_tokens(form_attendees, '\n'); ++i) {
 835                                         extract_token(buf, form_attendees, i, '\n', sizeof buf);
 836                                         striplt(buf);
 837                                         if (!strcasecmp(buf, attendee_string)) ++foundit;
 838                                 }
 839                                 if (foundit == 0) {
 840                                         icalcomponent_remove_property(vevent, attendee);
 841                                         icalproperty_free(attendee);
 842                                         goto STARTOVER;
 843                                 }
 844                         }
 845                 }
 846
 847                 /**
 848                  * Encapsulate event into full VCALENDAR component.  Clone it first,
 849                  * for two reasons: one, it's easier to just free the whole thing
 850                  * when we're done instead of unbundling, but more importantly, we
 851                  * can't encapsulate something that may already be encapsulated
 852                  * somewhere else.
 853                  */
 854                 encaps = ical_encapsulate_subcomponent(icalcomponent_new_clone(vevent));
 855
 856                 /* Set the method to PUBLISH */
 857                 icalcomponent_set_method(encaps, ICAL_METHOD_PUBLISH);
 858
 859                 /** If the user clicked 'Save' then save it to the server. */
 860                 if ( (encaps != NULL) && (havebstr("save_button")) ) {
 861                         serv_puts("ENT0 1|||4|||1|");
 862                         serv_getln(buf, sizeof buf);
 863                         if (buf[0] == '8') {
 864                                 serv_puts("Content-type: text/calendar");
 865                                 serv_puts("");
 866                                 serv_puts(icalcomponent_as_ical_string(encaps));
 867                                 serv_puts("000");
 868                         }
 869                         if ( (buf[0] == '8') || (buf[0] == '4') ) {
 870                                 while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
 871                                 }
 872                         }
 873                         if (buf[0] == '2') {
 874                                 strcpy(WC->ImportantMessage, &buf[4]);
 875                         }
 876                         icalmemory_free_ring ();
 877                         icalcomponent_free(encaps);
 878                         encaps = NULL;
 879                 }
 880
 881                 /** Or, check attendee availability if the user asked for that. */
 882                 if ( (encaps != NULL) && (havebstr("check_button")) ) {
 883
 884                         /* Call this function, which does the real work */
 885                         check_attendee_availability(encaps);
 886
 887                         /** This displays the form again, with our annotations */
 888                         display_edit_individual_event(encaps, msgnum, from, unread);
 889
 890                         icalcomponent_free(encaps);
 891                         encaps = NULL;
 892                 }
 893                 if (encaps != NULL) {
 894                         icalcomponent_free(encaps);
 895                         encaps = NULL;
 896                 }
 897
 898         }
 899
 900         /*
 901          * If the user clicked 'Delete' then delete it.
 902          */
 903         if ( (havebstr("delete_button")) && (msgnum > 0L) ) {
 904                 serv_printf("DELE %ld", lbstr("msgnum"));
 905                 serv_getln(buf, sizeof buf);
 906         }
 907
 908         if (created_new_vevent) {
 909                 icalcomponent_free(vevent);
 910         }
 911
 912         /* If this was a save or delete, go back to the calendar view. */
 913         if (!havebstr("check_button")) {
 914                 readloop("readfwd");
 915         }
 916 }