webcit/event.c

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