dav/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         /**
  33          * @static
  34          * @param int $calendarId
  35          * @throws Sabre_DAV_Exception_NotFound
  36          * @return void
  37          */
  38         protected static function createCache_internal($calendarId)
  39         {
  40                 $calendar = Sabre_CalDAV_Backend_Common::loadCalendarById($calendarId);
  41
  42                 switch ($calendar["uri"]) {
  43                         case CALDAV_FRIENDICA_MINE:
  44                                 $sql_where = " AND cid = 0";
  45                                 break;
  46                         case CALDAV_FRIENDICA_CONTACTS:
  47                                 $sql_where = " AND cid > 0";
  48                                 break;
  49                         default:
  50                                 throw new Sabre_DAV_Exception_NotFound();
  51                 }
  52
  53                 $r = q("SELECT * FROM `event` WHERE `uid` = %d " . $sql_where . " ORDER BY `start`", IntVal($calendar["namespace_id"]));
  54
  55                 foreach ($r as $row) {
  56                         $uid       = $calendar["uri"] . "-" . $row["id"];
  57                         $vevent    = dav_create_empty_vevent($uid);
  58                         $component = dav_get_eventComponent($vevent);
  59
  60                         if ($row["adjust"]) {
  61                                 $start  = datetime_convert('UTC', date_default_timezone_get(), $row["start"]);
  62                                 $finish = datetime_convert('UTC', date_default_timezone_get(), $row["finish"]);
  63                         } else {
  64                                 $start  = $row["start"];
  65                                 $finish = $row["finish"];
  66                         }
  67
  68                         $summary = ($row["summary"] != "" ? $row["summary"] : $row["desc"]);
  69                         $desc    = ($row["summary"] != "" ? $row["desc"] : "");
  70                         $component->add("SUMMARY", icalendar_sanitize_string($summary));
  71                         $component->add("LOCATION", icalendar_sanitize_string($row["location"]));
  72                         $component->add("DESCRIPTION", icalendar_sanitize_string($desc));
  73
  74                         $ts_start = wdcal_mySql2PhpTime($start);
  75                         $ts_end   = wdcal_mySql2PhpTime($start);
  76
  77                         $allday = (strpos($start, "00:00:00") !== false && strpos($finish, "00:00:00") !== false);
  78                         $type           = ($allday ? Sabre_VObject_Property_DateTime::DATE : Sabre_VObject_Property_DateTime::LOCALTZ);
  79
  80                         $datetime_start = new Sabre_VObject_Property_DateTime("DTSTART");
  81                         $datetime_start->setDateTime(new DateTime(date("Y-m-d H:i:s", $ts_start)), $type);
  82                         $datetime_end = new Sabre_VObject_Property_DateTime("DTEND");
  83                         $datetime_end->setDateTime(new DateTime(date("Y-m-d H:i:s", $ts_end)), $type);
  84
  85                         $component->add($datetime_start);
  86                         $component->add($datetime_end);
  87
  88                         $data = $vevent->serialize();
  89
  90                         q("INSERT INTO %s%scal_virtual_object_cache (`calendar_id`, `data_uri`, `data_summary`, `data_location`, `data_start`, `data_end`, `data_allday`, `data_type`,
  91                                 `calendardata`, `size`, `etag`) VALUES (%d, '%s', '%s', '%s', '%s', '%s', %d, '%s', '%s', %d, '%s')",
  92                                 CALDAV_SQL_DB, CALDAV_SQL_PREFIX, $calendarId, dbesc($uid), dbesc($summary), dbesc($row["location"]), dbesc($row["start"]), dbesc($row["finish"]),
  93                                         ($allday ? 1 : 0), dbesc(($row["type"] == "birthday" ? "birthday" : "")), dbesc($data), strlen($data), md5($data));
  94
  95                 }
  96
  97         }
  98
  99
 100         /**
 101          * @param array $row
 102          * @param array $calendar
 103          * @param string $base_path
 104          * @return array
 105          */
 106         private function jqcal2wdcal($row, $calendar, $base_path)
 107         {
 108                 if ($row["adjust"]) {
 109                         $start  = datetime_convert('UTC', date_default_timezone_get(), $row["start"]);
 110                         $finish = datetime_convert('UTC', date_default_timezone_get(), $row["finish"]);
 111                 } else {
 112                         $start  = $row["start"];
 113                         $finish = $row["finish"];
 114                 }
 115
 116                 $allday = (strpos($start, "00:00:00") !== false && strpos($finish, "00:00:00") !== false);
 117
 118                 $summary = (($row["summary"]) ? $row["summary"] : substr(preg_replace("/\[[^\]]*\]/", "", $row["desc"]), 0, 100));
 119
 120                 return array(
 121                         "jq_id"             => $row["id"],
 122                         "ev_id"             => $row["id"],
 123                         "summary"           => escape_tags($summary),
 124                         "start"             => wdcal_mySql2PhpTime($start),
 125                         "end"               => wdcal_mySql2PhpTime($finish),
 126                         "is_allday"         => ($allday ? 1 : 0),
 127                         "is_moredays"       => (substr($start, 0, 10) != substr($finish, 0, 10)),
 128                         "is_recurring"      => ($row["type"] == "birthday"),
 129                         "color"             => "#f8f8ff",
 130                         "is_editable"       => 0,
 131                         "is_editable_quick" => 0,
 132                         "location"          => $row["location"],
 133                         "attendees"         => '',
 134                         "has_notification"  => 0,
 135                         "url_detail"        => $base_path . "/events/event/" . $row["id"],
 136                         "url_edit"          => "",
 137                         "special_type"      => ($row["type"] == "birthday" ? "birthday" : ""),
 138                 );
 139         }
 140
 141
 142         /**
 143          * @param int $calendarId
 144          * @param string $date_from
 145          * @param string $date_to
 146          * @param string $base_path
 147          * @throws Sabre_DAV_Exception_NotFound
 148          * @return array
 149          */
 150         public function listItemsByRange($calendarId, $date_from, $date_to, $base_path)
 151         {
 152                 $calendar = Sabre_CalDAV_Backend_Common::loadCalendarById($calendarId);
 153
 154                 if ($calendar["namespace"] != CALDAV_NAMESPACE_PRIVATE) throw new Sabre_DAV_Exception_NotFound();
 155
 156                 switch ($calendar["uri"]) {
 157                         case CALDAV_FRIENDICA_MINE:
 158                                 $sql_where = " AND cid = 0";
 159                                 break;
 160                         case CALDAV_FRIENDICA_CONTACTS:
 161                                 $sql_where = " AND cid > 0";
 162                                 break;
 163                         default:
 164                                 throw new Sabre_DAV_Exception_NotFound();
 165                 }
 166
 167                 if ($date_from != "") {
 168                         if (is_numeric($date_from)) $sql_where .= " AND `finish` >= '" . date("Y-m-d H:i:s", $date_from) . "'";
 169                         else $sql_where .= " AND `finish` >= '" . dbesc($date_from) . "'";
 170                 }
 171                 if ($date_to != "") {
 172                         if (is_numeric($date_to)) $sql_where .= " AND `start` <= '" . date("Y-m-d H:i:s", $date_to) . "'";
 173                         else $sql_where .= " AND `start` <= '" . dbesc($date_to) . "'";
 174                 }
 175                 $ret = array();
 176
 177                 $r = q("SELECT * FROM `event` WHERE `uid` = %d " . $sql_where . " ORDER BY `start`", IntVal($calendar["namespace_id"]));
 178
 179                 $a = get_app();
 180                 foreach ($r as $row) {
 181                         $r                = $this->jqcal2wdcal($row, $calendar, $a->get_baseurl());
 182                         $r["calendar_id"] = $calendar["id"];
 183                         $ret[]            = $r;
 184                 }
 185
 186                 return $ret;
 187         }
 188
 189
 190         /**
 191          * Returns a list of calendars for a principal.
 192          *
 193          * Every project is an array with the following keys:
 194          *  * id, a unique id that will be used by other functions to modify the
 195          *    calendar. This can be the same as the uri or a database key.
 196          *  * uri, which the basename of the uri with which the calendar is
 197          *    accessed.
 198          *  * principaluri. The owner of the calendar. Almost always the same as
 199          *    principalUri passed to this method.
 200          *
 201          * Furthermore it can contain webdav properties in clark notation. A very
 202          * common one is '{DAV:}displayname'.
 203          *
 204          * @param string $principalUri
 205          * @return array
 206          */
 207         public function getCalendarsForUser($principalUri)
 208         {
 209                 $n = dav_compat_principal2namespace($principalUri);
 210                 if ($n["namespace"] != $this->getNamespace()) return array();
 211
 212                 $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"]));
 213                 $ret  = array();
 214                 foreach ($cals as $cal) {
 215                         if (!in_array($cal["uri"], $GLOBALS["CALDAV_PRIVATE_SYSTEM_CALENDARS"])) continue;
 216
 217                         $dat = array(
 218                                 "id"                                                      => $cal["id"],
 219                                 "uri"                                                     => $cal["uri"],
 220                                 "principaluri"                                            => $principalUri,
 221                                 '{' . Sabre_CalDAV_Plugin::NS_CALENDARSERVER . '}getctag' => $cal['ctag'] ? $cal['ctag'] : '0',
 222                                 "calendar_class"                                          => "Sabre_CalDAV_Calendar_Virtual",
 223                         );
 224                         foreach ($this->propertyMap as $key=> $field) $dat[$key] = $cal[$field];
 225
 226                         $ret[] = $dat;
 227                 }
 228
 229                 return $ret;
 230         }
 231
 232         /**
 233          * @param int $calendar_id
 234          * @param int $calendarobject_id
 235          * @return string
 236          */
 237         function getItemDetailRedirect($calendar_id, $calendarobject_id)
 238         {
 239                 $a    = get_app();
 240                 $item = q("SELECT `id` FROM `item` WHERE `event-id` = %d AND `uid` = %d AND deleted = 0", IntVal($calendarobject_id), $a->user["uid"]);
 241                 if (count($item) == 0) return "/events/";
 242                 return "/display/" . $a->user["nickname"] . "/" . IntVal($item[0]["id"]);
 243
 244         }
 245 }