130 lines
2.9 KiB
PHP
130 lines
2.9 KiB
PHP
<?php
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class api_v1_leaderboard extends APIv1
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{
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protected $request_methods = array('GET', 'POST', 'PUT');
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public function __default()
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{
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try
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{
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// Checks if we have a UID
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if (!isset($_GET['uid']))
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{
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throw new Exception('Missing UID.');
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}
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$leaderboard_uid = $_GET['uid'];
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$leaderboard_key = 'leaderboard:' . $leaderboard_uid;
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// Checks that the UID is valid and belongs to the key
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$leaderboard = $this->redis->hgetall($leaderboard_key);
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if (!$leaderboard)
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{
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throw new Exception('Leaderboard UID does not exist.');
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}
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if ($this->uid != $leaderboard['uid'])
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{
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throw new Exception('Leaderboard UID does not belong to you.');
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}
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// Sets up our key suffixes
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list($year, $month, $day, $week) = explode('-', date('Y-m-d-W'));
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$week = $year . $week;
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$day = $year . $month . $day;
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$month = $year . $month;
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$suffixes = array(
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'day:' . $day,
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'week:' . $week,
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'month:' . $month,
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'year:' . $year,
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'alltime',
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);
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switch ($_SERVER['REQUEST_METHOD'])
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{
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// Pulls members of the leaderboard
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case 'GET':
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$members = $this->redis->zrevrange($leaderboard_key . ':alltime', 0, -1, 'WITHSCORES');
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return array('leaderboard' => array_merge($leaderboard, array('members' => $members)));
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break;
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// Adds a score for a member
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case 'POST':
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if (!isset($_POST['member']))
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{
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throw new Exception('Missing member.');
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}
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elseif (!isset($_POST['score']))
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{
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throw new Exception('Missing score.');
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}
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elseif (!preg_match('/^-?\d+$/', $_POST['score']))
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{
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throw new Exception('Score must be an integer.');
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}
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$this->redis->multi();
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foreach ($suffixes as $suffix)
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{
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$this->redis->zadd($leaderboard_key . ':' . $suffix, $_POST['score'], $_POST['member']);
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}
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$timestamp = time();
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foreach (array('', 'user:' . $this->uid . ':') as $prefix)
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{
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$this->redis->zadd($prefix . 'leaderboards:updated', $timestamp, $leaderboard_uid);
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}
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break;
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// Increments a score of a member
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case 'PUT':
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$increment = 1;
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if (!isset($_REQUEST['member']))
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{
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throw new Exception('Missing member.');
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}
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elseif (isset($_REQUEST['value']))
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{
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if (!preg_match('/^-?\d+$/', $_REQUEST['value']))
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{
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throw new Exception('Value must be an integer.');
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}
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$increment = $_REQUEST['value'];
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}
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$this->redis->multi();
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foreach ($suffixes as $suffix)
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{
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$this->redis->zincrby($leaderboard_key . ':' . $suffix, $increment, $_REQUEST['member']);
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}
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$timestamp = time();
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foreach (array('', 'user:' . $this->uid . ':') as $prefix)
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{
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$this->redis->zadd($prefix . 'leaderboards:updated', $timestamp, $leaderboard_uid);
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}
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$this->redis->exec();
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break;
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}
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}
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catch (Exception $e)
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{
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return array('response_code' => 400, 'error' => $e->getMessage());
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}
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}
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}
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?>
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