/**
* Decode value from LeanCloud response.
*
* @param mixed $value
* @return mixed
*/
public static function decode($value)
{
if (is_null($value) || is_scalar($value)) {
return $value;
}
if (isset($value["*"]) && isset($value["*"]["read"])) {
// skip ACL for now
return null;
}
if (!isset($value["__type"])) {
$out = array();
foreach ($value as $key => $val) {
$out[$key] = self::decode($val);
}
return $out;
}
// Parse different data type from server.
$type = $value["__type"];
if ($type == "Date") {
// return time in default time zone
return new \DateTime($value["iso"]);
}
if ($type == "Bytes") {
return LeanBytes::createFromBase64Data($value["base64"]);
}
if ($type == "GeoPoint") {
}
if ($type == "File") {
$file = new LeanFile($value["name"]);
$file->mergeAfterFetch($value);
return $file;
}
if ($type == "Pointer" || $type == "Object") {
$obj = LeanObject::create($value["className"], $value["objectId"]);
unset($value["__type"]);
unset($value["className"]);
if (!empty($value)) {
$obj->mergeAfterFetch($value);
}
return $obj;
}
if ($type == "Relation") {
return new LeanRelation(null, null, $value["className"]);
}
}
/**
* Decode value from LeanCloud response.
*
* @param mixed $value Value to decode
* @param string $key Field key for the value
* @return mixed
*/
public static function decode($value, $key)
{
if (!is_array($value)) {
return $value;
}
if ($key === 'ACL') {
return new LeanACL($value);
}
if (!isset($value["__type"])) {
$out = array();
foreach ($value as $k => $v) {
$out[$k] = self::decode($v, $k);
}
return $out;
}
// Parse different data type from server.
$type = $value["__type"];
if ($type === "Date") {
// return time in default time zone
return new \DateTime($value["iso"]);
}
if ($type === "Bytes") {
return LeanBytes::createFromBase64Data($value["base64"]);
}
if ($type === "GeoPoint") {
return new GeoPoint($value["latitude"], $value["longitude"]);
}
if ($type === "File") {
$file = new LeanFile($value["name"]);
$file->mergeAfterFetch($value);
return $file;
}
if ($type === "Pointer" || $type === "Object") {
$obj = LeanObject::create($value["className"], $value["objectId"]);
unset($value["__type"]);
unset($value["className"]);
if (!empty($value)) {
$obj->mergeAfterFetch($value);
}
return $obj;
}
if ($type === "Relation") {
return new LeanRelation(null, $key, $value["className"]);
}
}
/**
* Find and return objects by the query
*
* The skip or limit provided here will have higher precedence
* than the ones specified by query's `skip` and `limit` methods.
* It does not mutate query.
*
* @param int $skip (optional) Number of rows to skip
* @param int $limit (optional) Max number of rows to fetch
* @return array
*/
public function find($skip = -1, $limit = -1)
{
$params = $this->encode();
if ($skip >= 0) {
$params["skip"] = $skip;
}
if ($limit >= 0) {
$params["limit"] = $limit;
}
$resp = LeanClient::get("/classes/{$this->getClassName()}", $params);
$objects = array();
foreach ($resp["results"] as $props) {
$obj = LeanObject::create($this->getClassName());
$obj->mergeAfterFetch($props);
$objects[] = $obj;
}
return $objects;
}
/**
* Doing a CQL query to retrive objects
*
* It returns an array that contains:
*
* * className - Class name of the query
* * results - List of objects
* * count - Number of objects when it's a count query
*
* @param string $cql CQL statement
* @param array $pvalues Positional values to replace in CQL
* @return array
* @link https://leancloud.cn/docs/cql_guide.html
*/
public static function doCloudQuery($cql, $pvalues = array())
{
$data = array("cql" => $cql);
if (!empty($pvalues)) {
$data["pvalues"] = json_encode(LeanClient::encode($pvalues));
}
$resp = LeanClient::get('/cloudQuery', $data);
$objects = array();
foreach ($resp["results"] as $val) {
$obj = LeanObject::create($resp["className"], $val["objectId"]);
$obj->mergeAfterFetch($val);
$objects[] = $obj;
}
$resp["results"] = $objects;
return $resp;
}
