dav/friendica/dav_caldav_backend_virtual_friendica.inc.php

   1 <?php
   2
   3 class Sabre_CalDAV_Backend_Friendica extends Sabre_CalDAV_Backend_Virtual
   4 {
   5
   6         /**
   7          * @var null|Sabre_CalDAV_Backend_Friendica
   8          */
   9         private static $instance = null;
  10
  11         /**
  12          * @static
  13          * @return Sabre_CalDAV_Backend_Friendica
  14          */
  15         public static function getInstance()
  16         {
  17                 if (self::$instance == null) {
  18                         self::$instance = new Sabre_CalDAV_Backend_Friendica();
  19                 }
  20                 return self::$instance;
  21         }
  22
  23         /**
  24          * @return int
  25          */
  26         public function getNamespace()
  27         {
  28                 return CALDAV_NAMESPACE_PRIVATE;
  29         }
  30
  31         /**
  32          * @static
  33          * @return string
  34          */
  35         public static function getBackendTypeName() {
  36                 return t("Friendica-Native events");
  37         }
  38
  39         /**
  40          * @static
  41          * @param int $calendarId
  42          * @throws Sabre_DAV_Exception_NotFound
  43          * @return void
  44          */
  45         protected static function createCache_internal($calendarId)
  46         {
  47                 $calendar = Sabre_CalDAV_Backend_Common::loadCalendarById($calendarId);
  48
  49                 switch ($calendar["uri"]) {
  50                         case CALDAV_FRIENDICA_MINE:
  51                                 $sql_where = " AND cid = 0";
  52                                 break;
  53                         case CALDAV_FRIENDICA_CONTACTS:
  54                                 $sql_where = " AND cid > 0";
  55                                 break;
  56                         default:
  57                                 throw new Sabre_DAV_Exception_NotFound();
  58                 }
  59
  60                 $r = q("SELECT * FROM `event` WHERE `uid` = %d " . $sql_where . " ORDER BY `start`", IntVal($calendar["namespace_id"]));
  61
  62                 foreach ($r as $row) {
  63                         $uid       = $calendar["uri"] . "-" . $row["id"];
  64                         $vevent    = dav_create_empty_vevent($uid);
  65                         $component = dav_get_eventComponent($vevent);
  66
  67                         if ($row["adjust"]) {
  68                                 $start  = datetime_convert('UTC', date_default_timezone_get(), $row["start"]);
  69                                 $finish = datetime_convert('UTC', date_default_timezone_get(), $row["finish"]);
  70                         } else {
  71                                 $start  = $row["start"];
  72                                 $finish = $row["finish"];
  73                         }
  74
  75                         $summary = ($row["summary"] != "" ? $row["summary"] : $row["desc"]);
  76                         $desc    = ($row["summary"] != "" ? $row["desc"] : "");
  77                         $component->add("SUMMARY", icalendar_sanitize_string($summary));
  78                         $component->add("LOCATION", icalendar_sanitize_string($row["location"]));
  79                         $component->add("DESCRIPTION", icalendar_sanitize_string($desc));
  80
  81                         $ts_start = wdcal_mySql2PhpTime($start);
  82                         $ts_end   = wdcal_mySql2PhpTime($start);
  83
  84                         $allday = (strpos($start, "00:00:00") !== false && strpos($finish, "00:00:00") !== false);
  85                         $type           = ($allday ? Sabre\VObject\Property\DateTime::DATE : Sabre\VObject\Property\DateTime::LOCALTZ);
  86
  87                         $datetime_start = new Sabre\VObject\Property\DateTime("DTSTART");
  88                         $datetime_start->setDateTime(new DateTime(date("Y-m-d H:i:s", $ts_start)), $type);
  89                         $datetime_end = new Sabre\VObject\Property\DateTime("DTEND");
  90                         $datetime_end->setDateTime(new DateTime(date("Y-m-d H:i:s", $ts_end)), $type);
  91
  92                         $component->add($datetime_start);
  93                         $component->add($datetime_end);
  94
  95                         $data = $vevent->serialize();
  96
  97                         q("INSERT INTO %s%scal_virtual_object_cache (`calendar_id`, `data_uri`, `data_summary`, `data_location`, `data_start`, `data_end`, `data_allday`, `data_type`,
  98                                 `calendardata`, `size`, `etag`) VALUES (%d, '%s', '%s', '%s', '%s', '%s', %d, '%s', '%s', %d, '%s')",
  99                                 CALDAV_SQL_DB, CALDAV_SQL_PREFIX, $calendarId, dbesc($uid), dbesc($summary), dbesc($row["location"]), dbesc($row["start"]), dbesc($row["finish"]),
 100                                         ($allday ? 1 : 0), dbesc(($row["type"] == "birthday" ? "birthday" : "")), dbesc($data), strlen($data), md5($data));
 101
 102                 }
 103
 104         }
 105
 106
 107         /**
 108          * @param array $row
 109          * @param array $calendar
 110          * @param string $base_path
 111          * @return array
 112          */
 113         private function jqcal2wdcal($row, $calendar, $base_path)
 114         {
 115                 if ($row["adjust"]) {
 116                         $start  = datetime_convert('UTC', date_default_timezone_get(), $row["start"]);
 117                         $finish = datetime_convert('UTC', date_default_timezone_get(), $row["finish"]);
 118                 } else {
 119                         $start  = $row["start"];
 120                         $finish = $row["finish"];
 121                 }
 122
 123                 $allday = (strpos($start, "00:00:00") !== false && strpos($finish, "00:00:00") !== false);
 124
 125                 $summary = (($row["summary"]) ? $row["summary"] : substr(preg_replace("/\[[^\]]*\]/", "", $row["desc"]), 0, 100));
 126
 127                 return array(
 128                         "jq_id"             => $row["id"],
 129                         "ev_id"             => $row["id"],
 130                         "summary"           => escape_tags($summary),
 131                         "start"             => wdcal_mySql2PhpTime($start),
 132                         "end"               => wdcal_mySql2PhpTime($finish),
 133                         "is_allday"         => ($allday ? 1 : 0),
 134                         "is_moredays"       => (substr($start, 0, 10) != substr($finish, 0, 10)),
 135                         "is_recurring"      => ($row["type"] == "birthday"),
 136                         "color"             => "7878ff",
 137                         "is_editable"       => 0,
 138                         "is_editable_quick" => 0,
 139                         "location"          => $row["location"],
 140                         "attendees"         => '',
 141                         "has_notification"  => 0,
 142                         "url_detail"        => $base_path . "/events/event/" . $row["id"],
 143                         "url_edit"          => "",
 144                         "special_type"      => ($row["type"] == "birthday" ? "birthday" : ""),
 145                 );
 146         }
 147
 148
 149         /**
 150          * @param int $calendarId
 151          * @param string $date_from
 152          * @param string $date_to
 153          * @param string $base_path
 154          * @throws Sabre_DAV_Exception_NotFound
 155          * @return array
 156          */
 157         public function listItemsByRange($calendarId, $date_from, $date_to, $base_path)
 158         {
 159                 $calendar = Sabre_CalDAV_Backend_Common::loadCalendarById($calendarId);
 160
 161                 if ($calendar["namespace"] != CALDAV_NAMESPACE_PRIVATE) throw new Sabre_DAV_Exception_NotFound();
 162
 163                 switch ($calendar["uri"]) {
 164                         case CALDAV_FRIENDICA_MINE:
 165                                 $sql_where = " AND cid = 0";
 166                                 break;
 167                         case CALDAV_FRIENDICA_CONTACTS:
 168                                 $sql_where = " AND cid > 0";
 169                                 break;
 170                         default:
 171                                 throw new Sabre_DAV_Exception_NotFound();
 172                 }
 173
 174                 if ($date_from != "") {
 175                         if (is_numeric($date_from)) $sql_where .= " AND `finish` >= '" . date("Y-m-d H:i:s", $date_from) . "'";
 176                         else $sql_where .= " AND `finish` >= '" . dbesc($date_from) . "'";
 177                 }
 178                 if ($date_to != "") {
 179                         if (is_numeric($date_to)) $sql_where .= " AND `start` <= '" . date("Y-m-d H:i:s", $date_to) . "'";
 180                         else $sql_where .= " AND `start` <= '" . dbesc($date_to) . "'";
 181                 }
 182                 $ret = array();
 183
 184                 $r = q("SELECT * FROM `event` WHERE `uid` = %d " . $sql_where . " ORDER BY `start`", IntVal($calendar["namespace_id"]));
 185
 186                 $a = get_app();
 187                 foreach ($r as $row) {
 188                         $r                = $this->jqcal2wdcal($row, $calendar, $a->get_baseurl());
 189                         $r["calendar_id"] = $calendar["id"];
 190                         $ret[]            = $r;
 191                 }
 192
 193                 return $ret;
 194         }
 195
 196
 197         /**
 198          * Returns a list of calendars for a principal.
 199          *
 200          * Every project is an array with the following keys:
 201          *  * id, a unique id that will be used by other functions to modify the
 202          *    calendar. This can be the same as the uri or a database key.
 203          *  * uri, which the basename of the uri with which the calendar is
 204          *    accessed.
 205          *  * principaluri. The owner of the calendar. Almost always the same as
 206          *    principalUri passed to this method.
 207          *
 208          * Furthermore it can contain webdav properties in clark notation. A very
 209          * common one is '{DAV:}displayname'.
 210          *
 211          * @param string $principalUri
 212          * @return array
 213          */
 214         public function getCalendarsForUser($principalUri)
 215         {
 216                 $n = dav_compat_principal2namespace($principalUri);
 217                 if ($n["namespace"] != $this->getNamespace()) return array();
 218
 219                 $cals = q("SELECT * FROM %s%scalendars WHERE `namespace` = %d AND `namespace_id` = %d", CALDAV_SQL_DB, CALDAV_SQL_PREFIX, $this->getNamespace(), IntVal($n["namespace_id"]));
 220                 $ret  = array();
 221                 foreach ($cals as $cal) {
 222                         if (!in_array($cal["uri"], $GLOBALS["CALDAV_PRIVATE_SYSTEM_CALENDARS"])) continue;
 223
 224                         $dat = array(
 225                                 "id"                                                      => $cal["id"],
 226                                 "uri"                                                     => $cal["uri"],
 227                                 "principaluri"                                            => $principalUri,
 228                                 '{' . Sabre_CalDAV_Plugin::NS_CALENDARSERVER . '}getctag' => $cal['ctag'] ? $cal['ctag'] : '0',
 229                                 '{' . Sabre_CalDAV_Plugin::NS_CALDAV . '}supported-calendar-component-set' => new Sabre_CalDAV_Property_SupportedCalendarComponentSet(array("VEVENT")),
 230                                 "calendar_class"                                          => "Sabre_CalDAV_Calendar_Virtual",
 231                         );
 232                         foreach ($this->propertyMap as $key=> $field) $dat[$key] = $cal[$field];
 233
 234                         $ret[] = $dat;
 235                 }
 236
 237                 return $ret;
 238         }
 239
 240         /**
 241          * @param int $calendar_id
 242          * @param int $calendarobject_id
 243          * @return string
 244          */
 245         function getItemDetailRedirect($calendar_id, $calendarobject_id)
 246         {
 247                 $a    = get_app();
 248                 $item = q("SELECT `id` FROM `item` WHERE `event-id` = %d AND `uid` = %d AND deleted = 0", IntVal($calendarobject_id), $a->user["uid"]);
 249                 if (count($item) == 0) return "/events/";
 250                 return "/display/" . $a->user["nickname"] . "/" . IntVal($item[0]["id"]);
 251
 252         }
 253 }