dav/friendica/dav_caldav_backend_virtual_friendica.inc.php

   1 <?php
   2
   3 use Friendica\Core\L10n;
   4 use Friendica\Util\DateTimeFormat;
   5
   6 class Sabre_CalDAV_Backend_Friendica extends Sabre_CalDAV_Backend_Virtual
   7 {
   8
   9         /**
  10          * @var null|Sabre_CalDAV_Backend_Friendica
  11          */
  12         private static $instance = null;
  13
  14         /**
  15          * @static
  16          * @return Sabre_CalDAV_Backend_Friendica
  17          */
  18         public static function getInstance()
  19         {
  20                 if (self::$instance == null) {
  21                         self::$instance = new Sabre_CalDAV_Backend_Friendica();
  22                 }
  23                 return self::$instance;
  24         }
  25
  26         /**
  27          * @return int
  28          */
  29         public function getNamespace()
  30         {
  31                 return CALDAV_NAMESPACE_PRIVATE;
  32         }
  33
  34         /**
  35          * @static
  36          * @return string
  37          */
  38         public static function getBackendTypeName() {
  39                 return L10n::t("Friendica-Native events");
  40         }
  41
  42         /**
  43          * @static
  44          * @param int $calendarId
  45          * @throws Sabre_DAV_Exception_NotFound
  46          * @return void
  47          */
  48         protected static function createCache_internal($calendarId)
  49         {
  50                 $calendar = Sabre_CalDAV_Backend_Common::loadCalendarById($calendarId);
  51
  52                 switch ($calendar["uri"]) {
  53                         case CALDAV_FRIENDICA_MINE:
  54                                 $sql_where = " AND cid = 0";
  55                                 break;
  56                         case CALDAV_FRIENDICA_CONTACTS:
  57                                 $sql_where = " AND cid > 0";
  58                                 break;
  59                         default:
  60                                 throw new Sabre_DAV_Exception_NotFound();
  61                 }
  62
  63                 $r = q("SELECT * FROM `event` WHERE `uid` = %d " . $sql_where . " ORDER BY `start`", IntVal($calendar["namespace_id"]));
  64
  65                 foreach ($r as $row) {
  66                         $uid       = $calendar["uri"] . "-" . $row["id"];
  67                         $vevent    = dav_create_empty_vevent($uid);
  68                         $component = dav_get_eventComponent($vevent);
  69
  70                         if ($row["adjust"]) {
  71                                 $start  = DateTimeFormat::local($row["start"]);
  72                                 $finish = DateTimeFormat::local($row["finish"]);
  73                         } else {
  74                                 $start  = $row["start"];
  75                                 $finish = $row["finish"];
  76                         }
  77
  78                         $summary = ($row["summary"] != "" ? $row["summary"] : $row["desc"]);
  79                         $desc    = ($row["summary"] != "" ? $row["desc"] : "");
  80                         $component->add("SUMMARY", icalendar_sanitize_string($summary));
  81                         $component->add("LOCATION", icalendar_sanitize_string($row["location"]));
  82                         $component->add("DESCRIPTION", icalendar_sanitize_string($desc));
  83
  84                         $ts_start = wdcal_mySql2PhpTime($start);
  85                         $ts_end   = wdcal_mySql2PhpTime($start);
  86
  87                         $allday = (strpos($start, "00:00:00") !== false && strpos($finish, "00:00:00") !== false);
  88                         $type           = ($allday ? Sabre\VObject\Property\DateTime::DATE : Sabre\VObject\Property\DateTime::LOCALTZ);
  89
  90                         $datetime_start = new Sabre\VObject\Property\DateTime("DTSTART");
  91                         $datetime_start->setDateTime(new DateTime(date(DateTimeFormat::MYSQL, $ts_start)), $type);
  92                         $datetime_end = new Sabre\VObject\Property\DateTime("DTEND");
  93                         $datetime_end->setDateTime(new DateTime(date(DateTimeFormat::MYSQL, $ts_end)), $type);
  94
  95                         $component->add($datetime_start);
  96                         $component->add($datetime_end);
  97
  98                         $data = $vevent->serialize();
  99
 100                         q("INSERT INTO %s%scal_virtual_object_cache (`calendar_id`, `data_uri`, `data_summary`, `data_location`, `data_start`, `data_end`, `data_allday`, `data_type`,
 101                                 `calendardata`, `size`, `etag`) VALUES (%d, '%s', '%s', '%s', '%s', '%s', %d, '%s', '%s', %d, '%s')",
 102                                 CALDAV_SQL_DB, CALDAV_SQL_PREFIX, $calendarId, dbesc($uid), dbesc($summary), dbesc($row["location"]), dbesc($row["start"]), dbesc($row["finish"]),
 103                                         ($allday ? 1 : 0), dbesc(($row["type"] == "birthday" ? "birthday" : "")), dbesc($data), strlen($data), md5($data));
 104
 105                 }
 106
 107         }
 108
 109
 110         /**
 111          * @param array $row
 112          * @param array $calendar
 113          * @param string $base_path
 114          * @return array
 115          */
 116         private function jqcal2wdcal($row, $calendar, $base_path)
 117         {
 118                 if ($row["adjust"]) {
 119                         $start  = DateTimeFormat::local($row["start"]);
 120                         $finish = DateTimeFormat::local($row["finish"]);
 121                 } else {
 122                         $start  = $row["start"];
 123                         $finish = $row["finish"];
 124                 }
 125
 126                 $allday = (strpos($start, "00:00:00") !== false && strpos($finish, "00:00:00") !== false);
 127
 128                 $summary = (($row["summary"]) ? $row["summary"] : substr(preg_replace("/\[[^\]]*\]/", "", $row["desc"]), 0, 100));
 129
 130                 return array(
 131                         "jq_id"             => $row["id"],
 132                         "ev_id"             => $row["id"],
 133                         "summary"           => escape_tags($summary),
 134                         "start"             => wdcal_mySql2PhpTime($start),
 135                         "end"               => wdcal_mySql2PhpTime($finish),
 136                         "is_allday"         => ($allday ? 1 : 0),
 137                         "is_moredays"       => (substr($start, 0, 10) != substr($finish, 0, 10)),
 138                         "is_recurring"      => ($row["type"] == "birthday"),
 139                         "color"             => "7878ff",
 140                         "is_editable"       => 0,
 141                         "is_editable_quick" => 0,
 142                         "location"          => $row["location"],
 143                         "attendees"         => '',
 144                         "has_notification"  => 0,
 145                         "url_detail"        => $base_path . "/events/event/" . $row["id"],
 146                         "url_edit"          => "",
 147                         "special_type"      => ($row["type"] == "birthday" ? "birthday" : ""),
 148                 );
 149         }
 150
 151
 152         /**
 153          * @param int $calendarId
 154          * @param string $date_from
 155          * @param string $date_to
 156          * @param string $base_path
 157          * @throws Sabre_DAV_Exception_NotFound
 158          * @return array
 159          */
 160         public function listItemsByRange($calendarId, $date_from, $date_to, $base_path)
 161         {
 162                 $calendar = Sabre_CalDAV_Backend_Common::loadCalendarById($calendarId);
 163
 164                 if ($calendar["namespace"] != CALDAV_NAMESPACE_PRIVATE) throw new Sabre_DAV_Exception_NotFound();
 165
 166                 switch ($calendar["uri"]) {
 167                         case CALDAV_FRIENDICA_MINE:
 168                                 $sql_where = " AND cid = 0";
 169                                 break;
 170                         case CALDAV_FRIENDICA_CONTACTS:
 171                                 $sql_where = " AND cid > 0";
 172                                 break;
 173                         default:
 174                                 throw new Sabre_DAV_Exception_NotFound();
 175                 }
 176
 177                 if ($date_from != "") {
 178                         if (is_numeric($date_from)) $sql_where .= " AND `finish` >= '" . date(DateTimeFormat::MYSQL, $date_from) . "'";
 179                         else $sql_where .= " AND `finish` >= '" . dbesc($date_from) . "'";
 180                 }
 181                 if ($date_to != "") {
 182                         if (is_numeric($date_to)) $sql_where .= " AND `start` <= '" . date(DateTimeFormat::MYSQL, $date_to) . "'";
 183                         else $sql_where .= " AND `start` <= '" . dbesc($date_to) . "'";
 184                 }
 185                 $ret = array();
 186
 187                 $r = q("SELECT * FROM `event` WHERE `uid` = %d " . $sql_where . " ORDER BY `start`", IntVal($calendar["namespace_id"]));
 188
 189                 $a = get_app();
 190                 foreach ($r as $row) {
 191                         $r                = $this->jqcal2wdcal($row, $calendar, $a->get_baseurl());
 192                         $r["calendar_id"] = $calendar["id"];
 193                         $ret[]            = $r;
 194                 }
 195
 196                 return $ret;
 197         }
 198
 199
 200         /**
 201          * Returns a list of calendars for a principal.
 202          *
 203          * Every project is an array with the following keys:
 204          *  * id, a unique id that will be used by other functions to modify the
 205          *    calendar. This can be the same as the uri or a database key.
 206          *  * uri, which the basename of the uri with which the calendar is
 207          *    accessed.
 208          *  * principaluri. The owner of the calendar. Almost always the same as
 209          *    principalUri passed to this method.
 210          *
 211          * Furthermore it can contain webdav properties in clark notation. A very
 212          * common one is '{DAV:}displayname'.
 213          *
 214          * @param string $principalUri
 215          * @return array
 216          */
 217         public function getCalendarsForUser($principalUri)
 218         {
 219                 $n = dav_compat_principal2namespace($principalUri);
 220                 if ($n["namespace"] != $this->getNamespace()) return array();
 221
 222                 $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"]));
 223                 $ret  = array();
 224                 foreach ($cals as $cal) {
 225                         if (!in_array($cal["uri"], $GLOBALS["CALDAV_PRIVATE_SYSTEM_CALENDARS"])) continue;
 226
 227                         $dat = array(
 228                                 "id"                                                      => $cal["id"],
 229                                 "uri"                                                     => $cal["uri"],
 230                                 "principaluri"                                            => $principalUri,
 231                                 '{' . Sabre_CalDAV_Plugin::NS_CALENDARSERVER . '}getctag' => $cal['ctag'] ? $cal['ctag'] : '0',
 232                                 '{' . Sabre_CalDAV_Plugin::NS_CALDAV . '}supported-calendar-component-set' => new Sabre_CalDAV_Property_SupportedCalendarComponentSet(array("VEVENT")),
 233                                 "calendar_class"                                          => "Sabre_CalDAV_Calendar_Virtual",
 234                         );
 235                         foreach ($this->propertyMap as $key=> $field) $dat[$key] = $cal[$field];
 236
 237                         $ret[] = $dat;
 238                 }
 239
 240                 return $ret;
 241         }
 242
 243         /**
 244          * @param int $calendar_id
 245          * @param int $calendarobject_id
 246          * @return string
 247          */
 248         function getItemDetailRedirect($calendar_id, $calendarobject_id)
 249         {
 250                 $a    = get_app();
 251                 $item = q("SELECT `id` FROM `item` WHERE `event-id` = %d AND `uid` = %d AND deleted = 0", IntVal($calendarobject_id), $a->user["uid"]);
 252                 if (count($item) == 0) return "/events/";
 253                 return "/display/" . $a->user["nickname"] . "/" . IntVal($item[0]["id"]);
 254
 255         }
 256 }