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phorge-phorge/externals/restful/src/RESTful/Query.php
epriestley 23786784ef Add Balanced Payments API
Summary: Adds the Balanced PHP API to externals/. Ref T2787.

Test Plan: Used in next diff.

Reviewers: btrahan, chad

Reviewed By: chad

CC: aran, aurelijus

Maniphest Tasks: T2787

Differential Revision: https://secure.phabricator.com/D5764
2013-04-25 09:47:30 -07:00

161 lines
4.2 KiB
PHP

<?php
namespace RESTful;
use RESTful\Exceptions\NoResultFound;
use RESTful\Exceptions\MultipleResultsFound;
class Query extends Itemization
{
public $filters = array(),
$sorts = array(),
$size;
public function __construct($resource, $uri)
{
parent::__construct($resource, $uri);
$this->size = $this->_size;
$this->_parseUri($uri);
}
private function _parseUri($uri)
{
$parsed = parse_url($uri);
$this->uri = $parsed['path'];
if (array_key_exists('query', $parsed)) {
foreach (explode('&', $parsed['query']) as $param) {
$param = explode('=', $param);
$key = urldecode($param[0]);
$val = (count($param) == 1) ? null : urldecode($param[1]);
// limit
if ($key == 'limit') {
$this->size = $this->_size = $val;
} // sorts
else if ($key == 'sort') {
array_push($this->sorts, $val);
} // everything else
else {
if (!array_key_exists($key, $this->filters)) {
$this->filters[$key] = array();
}
if (!is_array($val)) {
$val = array($val);
}
$this->filters[$key] = array_merge($this->filters[$key], $val);
}
}
}
}
protected function _buildUri($offset = null)
{
// params
$params = array_merge(
$this->filters,
array(
'sort' => $this->sorts,
'limit' => $this->_size,
'offset' => ($offset == null) ? $this->_offset : $offset
)
);
$getSingle = function ($v) {
if (is_array($v) && count($v) == 1)
return $v[0];
return $v;
};
$params = array_map($getSingle, $params);
// url encode params
// NOTE: http://stackoverflow.com/a/8171667/1339571
$qs = http_build_query($params);
$qs = preg_replace('/%5B(?:[0-9]|[1-9][0-9]+)%5D=/', '=', $qs);
return $this->uri . '?' . $qs;
}
private function _reset()
{
$this->_page = null;
}
public function filter($expression)
{
if ($expression->op == '=') {
$field = $expression->field;
} else {
$field = $expression->field . '[' . $expression->op . ']';
}
if (is_array($expression->val)) {
$val = implode(',', $expression->val);
} else {
$val = $expression->val;
}
if (!array_key_exists($field, $this->filters)) {
$this->filters[$field] = array();
}
array_push($this->filters[$field], $val);
$this->_reset();
return $this;
}
public function sort($expression)
{
$dir = $expression->ascending ? 'asc' : 'desc';
array_push($this->sorts, $expression->field . ',' . $dir);
$this->_reset();
return $this;
}
public function limit($limit)
{
$this->size = $this->_size = $limit;
$this->_reset();
return $this;
}
public function all()
{
$items = array();
foreach ($this as $item) {
array_push($items, $item);
}
return $items;
}
public function first()
{
$prev_size = $this->_size;
$this->_size = 1;
$page = new Page($this->resource, $this->_buildUri());
$this->_size = $prev_size;
$item = count($page->items) != 0 ? $page->items[0] : null;
return $item;
}
public function one()
{
$prev_size = $this->_size;
$this->_size = 2;
$page = new Page($this->resource, $this->_buildUri());
$this->_size = $prev_size;
if (count($page->items) == 1) {
return $page->items[0];
}
if (count($page->items) == 0) {
throw new NoResultFound();
}
throw new MultipleResultsFound();
}
public function paginate()
{
return new Pagination($this->resource, $this->_buildUri());
}
}