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 #if 0
 423         wprintf("<div id=\"rrule\">\n");                /* begin 'rrule' div */
 424
 425         wprintf("<table border=0 width=100%%>\n");      /* same table style as the event tab */
 426
 427         /* Table row displaying raw RRULE data, FIXME remove when finished */
 428         if (rrule) {
 429                 wprintf("<tr><td><b>");
 430                 wprintf("Raw data");
 431                 wprintf("</b></td><td>");
 432                 wprintf("<tt>%s</tt>", icalrecurrencetype_as_string(&recur));
 433                 wprintf("</td></tr>\n");
 434         }
 435
 436         char *frequency_units[] = {
 437                 _("seconds"),
 438                 _("minutes"),
 439                 _("hours"),
 440                 _("days"),
 441                 _("weeks"),
 442                 _("months"),
 443                 _("years"),
 444                 _("never")
 445         };
 446
 447
 448
 449
 450         wprintf("<tr><td><b>");
 451         wprintf(_("Recurrence rule"));
 452         wprintf("</b></td><td>");
 453
 454
 455
 456         if ((recur.freq < 0) || (recur.freq > 6)) recur.freq = 4;
 457         wprintf("%s ", _("Repeats every"));
 458
 459         wprintf("<input type=\"text\" name=\"interval\" maxlength=\"3\" size=\"3\" ");
 460         wprintf("value=\"%d\">&nbsp;", recur.interval);
 461
 462         wprintf("<select name=\"freq\" id=\"freq_selector\" size=\"1\" "
 463                 "onChange=\"RecurrenceShowHide();\">\n");
 464         for (i=0; i<(sizeof frequency_units / sizeof(char *)); ++i) {
 465                 wprintf("<option %s%svalue=\"%d\">%s</option>\n",
 466                         ((i == recur.freq) ? "selected " : ""),
 467                         (((i == recur.freq) || ((i>=3)&&(i<=5))) ? "" : "disabled "),
 468                         i,
 469                         frequency_units[i]
 470                 );
 471         }
 472         wprintf("</select>\n");
 473
 474         wprintf("</td></tr><tr><td>FIXME</td><td>");
 475
 476         wprintf("<div id=\"weekday_selector\">");       /* begin 'weekday_selector' div */
 477         wprintf("%s<br>", _("on these weekdays:"));
 478
 479         char weekday_is_selected[7];
 480         memset(weekday_is_selected, 0, 7);
 481
 482         for (i=0; i<ICAL_BY_DAY_SIZE; ++i) {
 483                 if (recur.by_day[i] == ICAL_RECURRENCE_ARRAY_MAX) {
 484                         i = ICAL_RECURRENCE_ARRAY_MAX;                  /* all done */
 485                 }
 486                 else {
 487                         for (j=0; j<7; ++j) {
 488                                 if (icalrecurrencetype_day_day_of_week(recur.by_day[i]) == j+1) {
 489                                         weekday_is_selected[j] = 1;
 490                                 }
 491                         }
 492                 }
 493         }
 494
 495         for (j=0; j<7; ++j) {
 496                 i = ((j + (int)weekstart) % 7);
 497                 wprintf("<input type=\"checkbox\" name=\"weekday%d\" value=\"yes\"", i);
 498                 if (weekday_is_selected[i]) wprintf(" checked");
 499                 wprintf(">%s</input>\n", weekday_labels[i]);
 500         }
 501         wprintf("</div>\n");                            /* end 'weekday_selector' div */
 502
 503         wprintf("</td></tr>\n");
 504
 505
 506         int which_rrend_is_preselected = 0;
 507         if (!icaltime_is_null_time(recur.until)) which_rrend_is_preselected = 2;
 508         if (recur.count > 0) which_rrend_is_preselected = 1;
 509
 510         wprintf("<tr><td><b>");
 511         wprintf(_("Recurrence range"));
 512         wprintf("</b></td><td>\n");
 513
 514         wprintf("<input type=\"radio\" name=\"rrend\" id=\"rrend_none\" "
 515                 "%s onChange=\"RecurrenceShowHide();\">",
 516                 ((which_rrend_is_preselected == 0) ? "checked" : "")
 517         );
 518         wprintf("%s</input><br />\n", _("No ending date"));
 519
 520         wprintf("<input type=\"radio\" name=\"rrend\" id=\"rrend_count\" "
 521                 "%s onChange=\"RecurrenceShowHide();\">",
 522                 ((which_rrend_is_preselected == 1) ? "checked" : "")
 523         );
 524         wprintf(_("Repeat this event"));
 525         wprintf("</input> ");
 526         wprintf("<input type=\"text\" name=\"rrcount\" id=\"rrcount\" maxlength=\"3\" size=\"3\" ");
 527         wprintf("value=\"%d\"> ", recur.count);
 528         wprintf(_("times"));
 529         wprintf("<br />\n");
 530
 531         wprintf("<input type=\"radio\" name=\"rrend\" id=\"rrend_until\" "
 532                 "%s onChange=\"RecurrenceShowHide();\">",
 533                 ((which_rrend_is_preselected == 2) ? "checked" : "")
 534         );
 535         wprintf(_("Repeat this event until "));
 536         wprintf("</input>");
 537
 538         if (icaltime_is_null_time(recur.until)) {
 539                 recur.until = icaltime_add(t_start, icaldurationtype_from_int(604800));
 540         }
 541         display_icaltimetype_as_webform(&recur.until, "rruntil", 1);
 542         wprintf("<br />\n");
 543
 544         wprintf("</td></tr>\n");
 545
 546
 547
 548
 549         wprintf("</table>\n");
 550         wprintf("</div>\n");                            /* end 'rrule' div */
 551 #endif
 552
 553         end_tab(2, 3);
 554
 555         /* submit buttons (common area beneath the tabs) */
 556         begin_tab(3, 3);
 557         wprintf("<CENTER>"
 558                 "<INPUT TYPE=\"submit\" NAME=\"save_button\" VALUE=\"%s\">"
 559                 "&nbsp;&nbsp;"
 560                 "<INPUT TYPE=\"submit\" NAME=\"delete_button\" VALUE=\"%s\">\n"
 561                 "&nbsp;&nbsp;"
 562                 "<INPUT TYPE=\"submit\" NAME=\"check_button\" "
 563                                 "VALUE=\"%s\">\n"
 564                 "&nbsp;&nbsp;"
 565                 "<INPUT TYPE=\"submit\" NAME=\"cancel_button\" VALUE=\"%s\">\n"
 566                 "</CENTER>\n",
 567                 _("Save"),
 568                 _("Delete"),
 569                 _("Check attendee availability"),
 570                 _("Cancel")
 571         );
 572         wprintf("</FORM>\n");
 573         end_tab(3, 3);
 574
 575         wprintf("</div>\n");
 576
 577         wprintf("<script type=\"text/javascript\">      \n"
 578                 "eventEditAllDay();     \n"
 579                 "RecurrenceShowHide();  \n"
 580                 "</script>      \n"
 581         );
 582         address_book_popup();
 583         wDumpContent(1);
 584
 585         if (created_new_vevent) {
 586                 icalcomponent_free(vevent);
 587         }
 588 }
 589
 590 /*
 591  * Save an edited event
 592  *
 593  * supplied_vevent:     the event to save
 594  * msgnum:              the index on the citserver
 595  */
 596 void save_individual_event(icalcomponent *supplied_vevent, long msgnum, char *from, int unread) {
 597         char buf[SIZ];
 598         icalproperty *prop;
 599         icalcomponent *vevent, *encaps;
 600         int created_new_vevent = 0;
 601         int all_day_event = 0;
 602         struct icaltimetype event_start, t;
 603         icalproperty *attendee = NULL;
 604         char attendee_string[SIZ];
 605         int i, j;
 606         int foundit;
 607         char form_attendees[SIZ];
 608         char organizer_string[SIZ];
 609         int sequence = 0;
 610         enum icalproperty_transp formtransp = ICAL_TRANSP_NONE;
 611
 612         if (supplied_vevent != NULL) {
 613                 vevent = supplied_vevent;
 614                 /**
 615                  * If we're looking at a fully encapsulated VCALENDAR
 616                  * rather than a VEVENT component, attempt to use the first
 617                  * relevant VEVENT subcomponent.  If there is none, the
 618                  * NULL returned by icalcomponent_get_first_component() will
 619                  * tell the next iteration of this function to create a
 620                  * new one.
 621                  */
 622                 if (icalcomponent_isa(vevent) == ICAL_VCALENDAR_COMPONENT) {
 623                         save_individual_event(
 624                                 icalcomponent_get_first_component(
 625                                         vevent, ICAL_VEVENT_COMPONENT),
 626                                 msgnum, from, unread
 627                         );
 628                         return;
 629                 }
 630         }
 631         else {
 632                 vevent = icalcomponent_new(ICAL_VEVENT_COMPONENT);
 633                 created_new_vevent = 1;
 634         }
 635
 636         if ( (havebstr("save_button"))
 637            || (havebstr("check_button")) ) {
 638
 639                 /** Replace values in the component with ones from the form */
 640
 641                 while (prop = icalcomponent_get_first_property(vevent,
 642                       ICAL_SUMMARY_PROPERTY), prop != NULL) {
 643                         icalcomponent_remove_property(vevent, prop);
 644                         icalproperty_free(prop);
 645                 }
 646
 647                 if (havebstr("summary")) {
 648
 649                         icalcomponent_add_property(vevent,
 650                                         icalproperty_new_summary(bstr("summary")));
 651                 } else {
 652                         icalcomponent_add_property(vevent,
 653                                         icalproperty_new_summary("Untitled Event"));
 654                 }
 655
 656                 while (prop = icalcomponent_get_first_property(vevent,
 657                                         ICAL_LOCATION_PROPERTY), prop != NULL) {
 658                         icalcomponent_remove_property(vevent, prop);
 659                         icalproperty_free(prop);
 660                 }
 661                 if (havebstr("location")) {
 662                         icalcomponent_add_property(vevent,
 663                                         icalproperty_new_location(bstr("location")));
 664                 }
 665                 while (prop = icalcomponent_get_first_property(vevent,
 666                                   ICAL_DESCRIPTION_PROPERTY), prop != NULL) {
 667                         icalcomponent_remove_property(vevent, prop);
 668                         icalproperty_free(prop);
 669                 }
 670                 if (havebstr("description")) {
 671                         icalcomponent_add_property(vevent,
 672                                 icalproperty_new_description(bstr("description")));
 673                 }
 674
 675                 while (prop = icalcomponent_get_first_property(vevent,
 676                       ICAL_DTSTART_PROPERTY), prop != NULL) {
 677                         icalcomponent_remove_property(vevent, prop);
 678                         icalproperty_free(prop);
 679                 }
 680
 681                 if (yesbstr("alldayevent")) {
 682                         all_day_event = 1;
 683                 }
 684                 else {
 685                         all_day_event = 0;
 686                 }
 687
 688                 if (all_day_event) {
 689                         icaltime_from_webform_dateonly(&event_start, "dtstart");
 690                 }
 691                 else {
 692                         icaltime_from_webform(&event_start, "dtstart");
 693                 }
 694
 695                 /**
 696                  * The following odd-looking snippet of code looks like it
 697                  * takes some unnecessary steps.  It is done this way because
 698                  * libical incorrectly turns an "all day event" into a normal
 699                  * event starting at midnight (i.e. it serializes as date/time
 700                  * instead of just date) unless icalvalue_new_date() is used.
 701                  * So we force it, if this is an all day event.
 702                  */
 703                 prop = icalproperty_new_dtstart(event_start);
 704                 if (all_day_event) {
 705                         icalproperty_set_value(prop, icalvalue_new_date(event_start));
 706                 }
 707
 708                 if (prop) icalcomponent_add_property(vevent, prop);
 709                 else icalproperty_free(prop);
 710
 711                 while (prop = icalcomponent_get_first_property(vevent,
 712                       ICAL_DTEND_PROPERTY), prop != NULL) {
 713                         icalcomponent_remove_property(vevent, prop);
 714                         icalproperty_free(prop);
 715                 }
 716                 while (prop = icalcomponent_get_first_property(vevent,
 717                       ICAL_DURATION_PROPERTY), prop != NULL) {
 718                         icalcomponent_remove_property(vevent, prop);
 719                         icalproperty_free(prop);
 720                 }
 721
 722                 if (all_day_event == 0) {
 723                         icaltime_from_webform(&t, "dtend");
 724                         icalcomponent_add_property(vevent,
 725                                 icalproperty_new_dtend(icaltime_normalize(t)
 726                                 )
 727                         );
 728                 }
 729
 730                 /** See if transparency is indicated */
 731                 if (havebstr("transp")) {
 732                         if (!strcasecmp(bstr("transp"), "opaque")) {
 733                                 formtransp = ICAL_TRANSP_OPAQUE;
 734                         }
 735                         else if (!strcasecmp(bstr("transp"), "transparent")) {
 736                                 formtransp = ICAL_TRANSP_TRANSPARENT;
 737                         }
 738
 739                         while (prop = icalcomponent_get_first_property(vevent, ICAL_TRANSP_PROPERTY),
 740                               (prop != NULL)) {
 741                                 icalcomponent_remove_property(vevent, prop);
 742                                 icalproperty_free(prop);
 743                         }
 744
 745                         icalcomponent_add_property(vevent, icalproperty_new_transp(formtransp));
 746                 }
 747
 748                 /** Give this event a UID if it doesn't have one. */
 749                 if (icalcomponent_get_first_property(vevent,
 750                    ICAL_UID_PROPERTY) == NULL) {
 751                         generate_uuid(buf);
 752                         icalcomponent_add_property(vevent, icalproperty_new_uid(buf));
 753                 }
 754
 755                 /** Increment the sequence ID */
 756                 while (prop = icalcomponent_get_first_property(vevent,
 757                       ICAL_SEQUENCE_PROPERTY), (prop != NULL) ) {
 758                         i = icalproperty_get_sequence(prop);
 759                         if (i > sequence) sequence = i;
 760                         icalcomponent_remove_property(vevent, prop);
 761                         icalproperty_free(prop);
 762                 }
 763                 ++sequence;
 764                 icalcomponent_add_property(vevent,
 765                         icalproperty_new_sequence(sequence)
 766                 );
 767
 768                 /**
 769                  * Set the organizer, only if one does not already exist *and*
 770                  * the form is supplying one
 771                  */
 772                 strcpy(buf, bstr("organizer"));
 773                 if ( (icalcomponent_get_first_property(vevent,
 774                    ICAL_ORGANIZER_PROPERTY) == NULL)
 775                    && (!IsEmptyStr(buf)) ) {
 776
 777                         /** set new organizer */
 778                         sprintf(organizer_string, "MAILTO:%s", buf);
 779                         icalcomponent_add_property(vevent,
 780                                 icalproperty_new_organizer(organizer_string)
 781                         );
 782
 783                 }
 784
 785                 /**
 786                  * Add any new attendees listed in the web form
 787                  */
 788
 789                 /* First, strip out the parenthesized partstats.  */
 790                 strcpy(form_attendees, bstr("attendees"));
 791                 stripout(form_attendees, '(', ')');
 792
 793                 /* Next, change any commas to newlines, because we want newline-separated attendees. */
 794                 j = strlen(form_attendees);
 795                 for (i=0; i<j; ++i) {
 796                         if (form_attendees[i] == ',') {
 797                                 form_attendees[i] = '\n';
 798                                 while (isspace(form_attendees[i+1])) {
 799                                         strcpy(&form_attendees[i+1], &form_attendees[i+2]);
 800                                 }
 801                         }
 802                 }
 803
 804                 /** Now iterate! */
 805                 for (i=0; i<num_tokens(form_attendees, '\n'); ++i) {
 806                         extract_token(buf, form_attendees, i, '\n', sizeof buf);
 807                         striplt(buf);
 808                         if (!IsEmptyStr(buf)) {
 809                                 sprintf(attendee_string, "MAILTO:%s", buf);
 810                                 foundit = 0;
 811
 812                                 for (attendee = icalcomponent_get_first_property(vevent, ICAL_ATTENDEE_PROPERTY); attendee != NULL; attendee = icalcomponent_get_next_property(vevent, ICAL_ATTENDEE_PROPERTY)) {
 813                                         if (!strcasecmp(attendee_string,
 814                                            icalproperty_get_attendee(attendee)))
 815                                                 ++foundit;
 816                                 }
 817
 818
 819                                 if (foundit == 0) {
 820                                         icalcomponent_add_property(vevent,
 821                                                 icalproperty_new_attendee(attendee_string)
 822                                         );
 823                                 }
 824                         }
 825                 }
 826
 827                 /**
 828                  * Remove any attendees *not* listed in the web form
 829                  */
 830 STARTOVER:      for (attendee = icalcomponent_get_first_property(vevent, ICAL_ATTENDEE_PROPERTY); attendee != NULL; attendee = icalcomponent_get_next_property(vevent, ICAL_ATTENDEE_PROPERTY)) {
 831                         strcpy(attendee_string, icalproperty_get_attendee(attendee));
 832                         if (!strncasecmp(attendee_string, "MAILTO:", 7)) {
 833                                 strcpy(attendee_string, &attendee_string[7]);
 834                                 striplt(attendee_string);
 835                                 foundit = 0;
 836                                 for (i=0; i<num_tokens(form_attendees, '\n'); ++i) {
 837                                         extract_token(buf, form_attendees, i, '\n', sizeof buf);
 838                                         striplt(buf);
 839                                         if (!strcasecmp(buf, attendee_string)) ++foundit;
 840                                 }
 841                                 if (foundit == 0) {
 842                                         icalcomponent_remove_property(vevent, attendee);
 843                                         icalproperty_free(attendee);
 844                                         goto STARTOVER;
 845                                 }
 846                         }
 847                 }
 848
 849                 /**
 850                  * Encapsulate event into full VCALENDAR component.  Clone it first,
 851                  * for two reasons: one, it's easier to just free the whole thing
 852                  * when we're done instead of unbundling, but more importantly, we
 853                  * can't encapsulate something that may already be encapsulated
 854                  * somewhere else.
 855                  */
 856                 encaps = ical_encapsulate_subcomponent(icalcomponent_new_clone(vevent));
 857
 858                 /* Set the method to PUBLISH */
 859                 icalcomponent_set_method(encaps, ICAL_METHOD_PUBLISH);
 860
 861                 /** If the user clicked 'Save' then save it to the server. */
 862                 if ( (encaps != NULL) && (havebstr("save_button")) ) {
 863                         serv_puts("ENT0 1|||4|||1|");
 864                         serv_getln(buf, sizeof buf);
 865                         if (buf[0] == '8') {
 866                                 serv_puts("Content-type: text/calendar");
 867                                 serv_puts("");
 868                                 serv_puts(icalcomponent_as_ical_string(encaps));
 869                                 serv_puts("000");
 870                         }
 871                         if ( (buf[0] == '8') || (buf[0] == '4') ) {
 872                                 while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
 873                                 }
 874                         }
 875                         if (buf[0] == '2') {
 876                                 strcpy(WC->ImportantMessage, &buf[4]);
 877                         }
 878                         icalmemory_free_ring ();
 879                         icalcomponent_free(encaps);
 880                         encaps = NULL;
 881                 }
 882
 883                 /** Or, check attendee availability if the user asked for that. */
 884                 if ( (encaps != NULL) && (havebstr("check_button")) ) {
 885
 886                         /* Call this function, which does the real work */
 887                         check_attendee_availability(encaps);
 888
 889                         /** This displays the form again, with our annotations */
 890                         display_edit_individual_event(encaps, msgnum, from, unread);
 891
 892                         icalcomponent_free(encaps);
 893                         encaps = NULL;
 894                 }
 895                 if (encaps != NULL) {
 896                         icalcomponent_free(encaps);
 897                         encaps = NULL;
 898                 }
 899
 900         }
 901
 902         /*
 903          * If the user clicked 'Delete' then delete it.
 904          */
 905         if ( (havebstr("delete_button")) && (msgnum > 0L) ) {
 906                 serv_printf("DELE %ld", lbstr("msgnum"));
 907                 serv_getln(buf, sizeof buf);
 908         }
 909
 910         if (created_new_vevent) {
 911                 icalcomponent_free(vevent);
 912         }
 913
 914         /* If this was a save or delete, go back to the calendar view. */
 915         if (!havebstr("check_button")) {
 916                 readloop("readfwd");
 917         }
 918 }