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