webcit/event.c

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