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