68 lines
2.1 KiB
PHP
Executable File
68 lines
2.1 KiB
PHP
Executable File
<?php
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define('KEY', '5fc7ebf9168bfbe9745920438e3b17bf');
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define('LIMIT_MINUTE', 10);
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define('LIMIT_DAY', 500);
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define('LIMIT_FILE', '/opt/inverter/data/wunderground.json');
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function wunderground($sService, $sQuery, $bDebug = false) {
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/* Get current date values */
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$iMinute = date('i');
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$iDay = date('z');
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if (file_exists(LIMIT_FILE)) {
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/* Read number of calls used */
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$sJSON = file_get_contents(LIMIT_FILE);
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$aJSON = json_decode($sJSON, true);
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$aCount = array(
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'minute' => $iMinute != $aJSON['minute'][0] ? 0 : $aJSON['minute'][1],
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'day' => $iDay != $aJSON['day'][0] ? 0 : $aJSON['day'][1]);
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} else {
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/* Initialise to zero */
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$aCount = array(
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'minute' => 0,
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'day' => 0);
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}
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/* Check call limits */
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$iWait = 0;
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if ($aCount['minute'] >= LIMIT_MINUTE) {
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$iWait = 60 - date('s');
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if ($bDebug === true) {
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printf("Minute limit (%d) reached, wait %d seconds\n", LIMIT_MINUTE, $iWait);
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}
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$aCount['minute'] = 0;
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} else if ($aCount['day'] >= LIMIT_DAY) {
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$iWait = strtotime('00:00 + 1 day') - time();
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if ($bDebug === true) {
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printf("Daily limit (%d) reached, wait %d seconds\n", LIMIT_DAY, $iWait);
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}
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$aCount['day'] = 0;
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}
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/* Prevent from exceeding call limits */
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if ($iWait > 0) {
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//die("Try again later!\n");
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return null;
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}
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/* Update call counts */
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++$aCount['minute'];
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++$aCount['day'];
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/* Report number of calls used */
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if ($bDebug === true) {
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printf("Used %d/%d minutely and %d/%d daily calls\n", $aCount['minute'], LIMIT_MINUTE, $aCount['day'], LIMIT_DAY);
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}
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/* Write number of calls used to file */
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$aJSON = array(
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'minute' => array($iMinute, $aCount['minute']),
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'day' => array($iDay, $aCount['day']));
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file_put_contents(LIMIT_FILE, json_encode($aJSON));
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/* Perform actual call */
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$sUrl = sprintf('http://api.wunderground.com/api/%s/%s/q/%s.json', KEY, $sService, $sQuery);
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$sJSON = file_get_contents($sUrl);
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return json_decode($sJSON, true);
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}
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