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         if (rrule) {
 385                 recur = icalproperty_get_rrule(rrule);
 386         }
 387         else {
 388                 /* blank recurrence with some sensible defaults */
 389                 memset(&recur, 0, sizeof(struct icalrecurrencetype));
 390                 recur.count = 3;
 391                 recur.interval = 1;
 392                 recur.freq = ICAL_WEEKLY_RECURRENCE;
 393         }
 394
 395         wprintf("<INPUT TYPE=\"checkbox\" id=\"is_recur\" NAME=\"is_recur\" "
 396                 "VALUE=\"yes\" "
 397                 "onclick=\"RecurrenceShowHide();\""
 398                 " %s >%s",
 399                 (rrule ? "CHECKED=\"CHECKED\"" : "" ),
 400                 _("This is a repeating event")
 401         );
 402
 403         wprintf("<div id=\"rrule\">\n");                /* begin 'rrule' div */
 404
 405         wprintf("<table border=0 width=100%%>\n");      /* same table style as the event tab */
 406
 407         /* Table row displaying raw RRULE data, FIXME remove when finished */
 408         if (rrule) {
 409                 wprintf("<tr><td><b>");
 410                 wprintf("Raw data");
 411                 wprintf("</b></td><td>");
 412                 wprintf("<tt>%s</tt>", icalrecurrencetype_as_string(&recur));
 413                 wprintf("</td></tr>\n");
 414         }
 415
 416         char *frequency_units[] = {
 417                 _("seconds"),
 418                 _("minutes"),
 419                 _("hours"),
 420                 _("days"),
 421                 _("weeks"),
 422                 _("months"),
 423                 _("years"),
 424                 _("never")
 425         };
 426
 427         wprintf("<tr><td><b>");
 428         wprintf(_("Repeats"));
 429         wprintf("</b></td><td>");
 430         if ((recur.freq < 0) || (recur.freq > 6)) recur.freq = 4;
 431         wprintf("%s ", _("every"));
 432
 433         wprintf("<input type=\"text\" name=\"interval\" maxlength=\"3\" size=\"3\" ");
 434         wprintf("value=\"%d\"> ", recur.interval);
 435
 436         wprintf("<select name=\"freq\" size=\"1\">\n");
 437         for (i=0; i<(sizeof frequency_units / sizeof(char *)); ++i) {
 438                 wprintf("<option %s value=\"%d\">%s</option>\n",
 439                         ((i == recur.freq) ? "selected" : ""),
 440                         i,
 441                         frequency_units[i]
 442                 );
 443         }
 444
 445         wprintf("</td></tr>\n");
 446
 447         wprintf("<tr><td><b>");
 448         wprintf("byday");                                                       //FIXME
 449         wprintf("</b></td><td>");
 450         for (i=0; i<ICAL_BY_DAY_SIZE; ++i) {
 451                 if (recur.by_day[i] == ICAL_RECURRENCE_ARRAY_MAX) {
 452                         i = ICAL_RECURRENCE_ARRAY_MAX;                  /* all done */
 453                 }
 454                 else {
 455                         for (j=1; j<=ICAL_SATURDAY_WEEKDAY; ++j) {
 456                                 if (icalrecurrencetype_day_day_of_week(recur.by_day[i]) == j) {
 457                                         wprintf("day%d, ", j);
 458                                 }
 459                         }
 460                 }
 461         }
 462         wprintf("</td></tr>\n");
 463         wprintf("</table>\n");
 464         wprintf("</div>\n");                            /* end 'rrule' div */
 465
 466         end_tab(2, 3);
 467
 468         /* submit buttons (common area beneath the tabs) */
 469         begin_tab(3, 3);
 470         wprintf("<CENTER>"
 471                 "<INPUT TYPE=\"submit\" NAME=\"save_button\" VALUE=\"%s\">"
 472                 "&nbsp;&nbsp;"
 473                 "<INPUT TYPE=\"submit\" NAME=\"delete_button\" VALUE=\"%s\">\n"
 474                 "&nbsp;&nbsp;"
 475                 "<INPUT TYPE=\"submit\" NAME=\"check_button\" "
 476                                 "VALUE=\"%s\">\n"
 477                 "&nbsp;&nbsp;"
 478                 "<INPUT TYPE=\"submit\" NAME=\"cancel_button\" VALUE=\"%s\">\n"
 479                 "</CENTER>\n",
 480                 _("Save"),
 481                 _("Delete"),
 482                 _("Check attendee availability"),
 483                 _("Cancel")
 484         );
 485         wprintf("</FORM>\n");
 486         end_tab(3, 3);
 487
 488         wprintf("</div>\n");
 489
 490         wprintf("<script type=\"text/javascript\">      \n"
 491                 "eventEditAllDay();     \n"
 492                 "RecurrenceShowHide();  \n"
 493                 "</script>      \n"
 494         );
 495         address_book_popup();
 496         wDumpContent(1);
 497
 498         if (created_new_vevent) {
 499                 icalcomponent_free(vevent);
 500         }
 501 }
 502
 503 /*
 504  * Save an edited event
 505  *
 506  * supplied_vevent:     the event to save
 507  * msgnum:              the index on the citserver
 508  */
 509 void save_individual_event(icalcomponent *supplied_vevent, long msgnum, char *from, int unread) {
 510         char buf[SIZ];
 511         icalproperty *prop;
 512         icalcomponent *vevent, *encaps;
 513         int created_new_vevent = 0;
 514         int all_day_event = 0;
 515         struct icaltimetype event_start, t;
 516         icalproperty *attendee = NULL;
 517         char attendee_string[SIZ];
 518         int i, j;
 519         int foundit;
 520         char form_attendees[SIZ];
 521         char organizer_string[SIZ];
 522         int sequence = 0;
 523         enum icalproperty_transp formtransp = ICAL_TRANSP_NONE;
 524
 525         if (supplied_vevent != NULL) {
 526                 vevent = supplied_vevent;
 527                 /**
 528                  * If we're looking at a fully encapsulated VCALENDAR
 529                  * rather than a VEVENT component, attempt to use the first
 530                  * relevant VEVENT subcomponent.  If there is none, the
 531                  * NULL returned by icalcomponent_get_first_component() will
 532                  * tell the next iteration of this function to create a
 533                  * new one.
 534                  */
 535                 if (icalcomponent_isa(vevent) == ICAL_VCALENDAR_COMPONENT) {
 536                         save_individual_event(
 537                                 icalcomponent_get_first_component(
 538                                         vevent, ICAL_VEVENT_COMPONENT),
 539                                 msgnum, from, unread
 540                         );
 541                         return;
 542                 }
 543         }
 544         else {
 545                 vevent = icalcomponent_new(ICAL_VEVENT_COMPONENT);
 546                 created_new_vevent = 1;
 547         }
 548
 549         if ( (havebstr("save_button"))
 550            || (havebstr("check_button")) ) {
 551
 552                 /** Replace values in the component with ones from the form */
 553
 554                 while (prop = icalcomponent_get_first_property(vevent,
 555                       ICAL_SUMMARY_PROPERTY), prop != NULL) {
 556                         icalcomponent_remove_property(vevent, prop);
 557                         icalproperty_free(prop);
 558                 }
 559
 560                 if (havebstr("summary")) {
 561
 562                         icalcomponent_add_property(vevent,
 563                                         icalproperty_new_summary(bstr("summary")));
 564                 } else {
 565                         icalcomponent_add_property(vevent,
 566                                         icalproperty_new_summary("Untitled Event"));
 567                 }
 568
 569                 while (prop = icalcomponent_get_first_property(vevent,
 570                                         ICAL_LOCATION_PROPERTY), prop != NULL) {
 571                         icalcomponent_remove_property(vevent, prop);
 572                         icalproperty_free(prop);
 573                 }
 574                 if (havebstr("location")) {
 575                         icalcomponent_add_property(vevent,
 576                                         icalproperty_new_location(bstr("location")));
 577                 }
 578                 while (prop = icalcomponent_get_first_property(vevent,
 579                                   ICAL_DESCRIPTION_PROPERTY), prop != NULL) {
 580                         icalcomponent_remove_property(vevent, prop);
 581                         icalproperty_free(prop);
 582                 }
 583                 if (havebstr("description")) {
 584                         icalcomponent_add_property(vevent,
 585                                 icalproperty_new_description(bstr("description")));
 586                 }
 587
 588                 while (prop = icalcomponent_get_first_property(vevent,
 589                       ICAL_DTSTART_PROPERTY), prop != NULL) {
 590                         icalcomponent_remove_property(vevent, prop);
 591                         icalproperty_free(prop);
 592                 }
 593
 594                 if (yesbstr("alldayevent")) {
 595                         all_day_event = 1;
 596                 }
 597                 else {
 598                         all_day_event = 0;
 599                 }
 600
 601                 if (all_day_event) {
 602                         icaltime_from_webform_dateonly(&event_start, "dtstart");
 603                 }
 604                 else {
 605                         icaltime_from_webform(&event_start, "dtstart");
 606                 }
 607
 608                 /**
 609                  * The following odd-looking snippet of code looks like it
 610                  * takes some unnecessary steps.  It is done this way because
 611                  * libical incorrectly turns an "all day event" into a normal
 612                  * event starting at midnight (i.e. it serializes as date/time
 613                  * instead of just date) unless icalvalue_new_date() is used.
 614                  * So we force it, if this is an all day event.
 615                  */
 616                 prop = icalproperty_new_dtstart(event_start);
 617                 if (all_day_event) {
 618                         icalproperty_set_value(prop, icalvalue_new_date(event_start));
 619                 }
 620
 621                 if (prop) icalcomponent_add_property(vevent, prop);
 622                 else icalproperty_free(prop);
 623
 624                 while (prop = icalcomponent_get_first_property(vevent,
 625                       ICAL_DTEND_PROPERTY), prop != NULL) {
 626                         icalcomponent_remove_property(vevent, prop);
 627                         icalproperty_free(prop);
 628                 }
 629                 while (prop = icalcomponent_get_first_property(vevent,
 630                       ICAL_DURATION_PROPERTY), prop != NULL) {
 631                         icalcomponent_remove_property(vevent, prop);
 632                         icalproperty_free(prop);
 633                 }
 634
 635                 if (all_day_event == 0) {
 636                         icaltime_from_webform(&t, "dtend");
 637                         icalcomponent_add_property(vevent,
 638                                 icalproperty_new_dtend(icaltime_normalize(t)
 639                                 )
 640                         );
 641                 }
 642
 643                 /** See if transparency is indicated */
 644                 if (havebstr("transp")) {
 645                         if (!strcasecmp(bstr("transp"), "opaque")) {
 646                                 formtransp = ICAL_TRANSP_OPAQUE;
 647                         }
 648                         else if (!strcasecmp(bstr("transp"), "transparent")) {
 649                                 formtransp = ICAL_TRANSP_TRANSPARENT;
 650                         }
 651
 652                         while (prop = icalcomponent_get_first_property(vevent, ICAL_TRANSP_PROPERTY),
 653                               (prop != NULL)) {
 654                                 icalcomponent_remove_property(vevent, prop);
 655                                 icalproperty_free(prop);
 656                         }
 657
 658                         icalcomponent_add_property(vevent, icalproperty_new_transp(formtransp));
 659                 }
 660
 661                 /** Give this event a UID if it doesn't have one. */
 662                 if (icalcomponent_get_first_property(vevent,
 663                    ICAL_UID_PROPERTY) == NULL) {
 664                         generate_uuid(buf);
 665                         icalcomponent_add_property(vevent, icalproperty_new_uid(buf));
 666                 }
 667
 668                 /** Increment the sequence ID */
 669                 while (prop = icalcomponent_get_first_property(vevent,
 670                       ICAL_SEQUENCE_PROPERTY), (prop != NULL) ) {
 671                         i = icalproperty_get_sequence(prop);
 672                         if (i > sequence) sequence = i;
 673                         icalcomponent_remove_property(vevent, prop);
 674                         icalproperty_free(prop);
 675                 }
 676                 ++sequence;
 677                 icalcomponent_add_property(vevent,
 678                         icalproperty_new_sequence(sequence)
 679                 );
 680
 681                 /**
 682                  * Set the organizer, only if one does not already exist *and*
 683                  * the form is supplying one
 684                  */
 685                 strcpy(buf, bstr("organizer"));
 686                 if ( (icalcomponent_get_first_property(vevent,
 687                    ICAL_ORGANIZER_PROPERTY) == NULL)
 688                    && (!IsEmptyStr(buf)) ) {
 689
 690                         /** set new organizer */
 691                         sprintf(organizer_string, "MAILTO:%s", buf);
 692                         icalcomponent_add_property(vevent,
 693                                 icalproperty_new_organizer(organizer_string)
 694                         );
 695
 696                 }
 697
 698                 /**
 699                  * Add any new attendees listed in the web form
 700                  */
 701
 702                 /* First, strip out the parenthesized partstats.  */
 703                 strcpy(form_attendees, bstr("attendees"));
 704                 stripout(form_attendees, '(', ')');
 705
 706                 /* Next, change any commas to newlines, because we want newline-separated attendees. */
 707                 j = strlen(form_attendees);
 708                 for (i=0; i<j; ++i) {
 709                         if (form_attendees[i] == ',') {
 710                                 form_attendees[i] = '\n';
 711                                 while (isspace(form_attendees[i+1])) {
 712                                         strcpy(&form_attendees[i+1], &form_attendees[i+2]);
 713                                 }
 714                         }
 715                 }
 716
 717                 /** Now iterate! */
 718                 for (i=0; i<num_tokens(form_attendees, '\n'); ++i) {
 719                         extract_token(buf, form_attendees, i, '\n', sizeof buf);
 720                         striplt(buf);
 721                         if (!IsEmptyStr(buf)) {
 722                                 sprintf(attendee_string, "MAILTO:%s", buf);
 723                                 foundit = 0;
 724
 725                                 for (attendee = icalcomponent_get_first_property(vevent, ICAL_ATTENDEE_PROPERTY); attendee != NULL; attendee = icalcomponent_get_next_property(vevent, ICAL_ATTENDEE_PROPERTY)) {
 726                                         if (!strcasecmp(attendee_string,
 727                                            icalproperty_get_attendee(attendee)))
 728                                                 ++foundit;
 729                                 }
 730
 731
 732                                 if (foundit == 0) {
 733                                         icalcomponent_add_property(vevent,
 734                                                 icalproperty_new_attendee(attendee_string)
 735                                         );
 736                                 }
 737                         }
 738                 }
 739
 740                 /**
 741                  * Remove any attendees *not* listed in the web form
 742                  */
 743 STARTOVER:      for (attendee = icalcomponent_get_first_property(vevent, ICAL_ATTENDEE_PROPERTY); attendee != NULL; attendee = icalcomponent_get_next_property(vevent, ICAL_ATTENDEE_PROPERTY)) {
 744                         strcpy(attendee_string, icalproperty_get_attendee(attendee));
 745                         if (!strncasecmp(attendee_string, "MAILTO:", 7)) {
 746                                 strcpy(attendee_string, &attendee_string[7]);
 747                                 striplt(attendee_string);
 748                                 foundit = 0;
 749                                 for (i=0; i<num_tokens(form_attendees, '\n'); ++i) {
 750                                         extract_token(buf, form_attendees, i, '\n', sizeof buf);
 751                                         striplt(buf);
 752                                         if (!strcasecmp(buf, attendee_string)) ++foundit;
 753                                 }
 754                                 if (foundit == 0) {
 755                                         icalcomponent_remove_property(vevent, attendee);
 756                                         icalproperty_free(attendee);
 757                                         goto STARTOVER;
 758                                 }
 759                         }
 760                 }
 761
 762                 /**
 763                  * Encapsulate event into full VCALENDAR component.  Clone it first,
 764                  * for two reasons: one, it's easier to just free the whole thing
 765                  * when we're done instead of unbundling, but more importantly, we
 766                  * can't encapsulate something that may already be encapsulated
 767                  * somewhere else.
 768                  */
 769                 encaps = ical_encapsulate_subcomponent(icalcomponent_new_clone(vevent));
 770
 771                 /* Set the method to PUBLISH */
 772                 icalcomponent_set_method(encaps, ICAL_METHOD_PUBLISH);
 773
 774                 /** If the user clicked 'Save' then save it to the server. */
 775                 if ( (encaps != NULL) && (havebstr("save_button")) ) {
 776                         serv_puts("ENT0 1|||4|||1|");
 777                         serv_getln(buf, sizeof buf);
 778                         if (buf[0] == '8') {
 779                                 serv_puts("Content-type: text/calendar");
 780                                 serv_puts("");
 781                                 serv_puts(icalcomponent_as_ical_string(encaps));
 782                                 serv_puts("000");
 783                         }
 784                         if ( (buf[0] == '8') || (buf[0] == '4') ) {
 785                                 while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
 786                                 }
 787                         }
 788                         if (buf[0] == '2') {
 789                                 strcpy(WC->ImportantMessage, &buf[4]);
 790                         }
 791                         icalmemory_free_ring ();
 792                         icalcomponent_free(encaps);
 793                         encaps = NULL;
 794                 }
 795
 796                 /** Or, check attendee availability if the user asked for that. */
 797                 if ( (encaps != NULL) && (havebstr("check_button")) ) {
 798
 799                         /* Call this function, which does the real work */
 800                         check_attendee_availability(encaps);
 801
 802                         /** This displays the form again, with our annotations */
 803                         display_edit_individual_event(encaps, msgnum, from, unread);
 804
 805                         icalcomponent_free(encaps);
 806                         encaps = NULL;
 807                 }
 808                 if (encaps != NULL) {
 809                         icalcomponent_free(encaps);
 810                         encaps = NULL;
 811                 }
 812
 813         }
 814
 815         /*
 816          * If the user clicked 'Delete' then delete it.
 817          */
 818         if ( (havebstr("delete_button")) && (msgnum > 0L) ) {
 819                 serv_printf("DELE %ld", lbstr("msgnum"));
 820                 serv_getln(buf, sizeof buf);
 821         }
 822
 823         if (created_new_vevent) {
 824                 icalcomponent_free(vevent);
 825         }
 826
 827         /* If this was a save or delete, go back to the calendar view. */
 828         if (!havebstr("check_button")) {
 829                 readloop("readfwd");
 830         }
 831 }