snapshot inverter files

inverter/functions.php

@@ -0,0 +1,65 @@
+<?php
+// require_once 'wunderground.php';
+require_once 'openweathermap.php';
+
+define('DEFAULT_WAKE', '6:00');
+define('DEFAULT_SLEEP', '22:00');
+
+define('TWILIGHT_FILE', '/opt/inverter/static/twilight_%d.csv');
+define('STATION', 'INOORDHO104');
+define('CITY', 2745978);
+
+function getHour($sTime = null) {
+    if (!is_numeric($sTime)) {
+        $iTime = !isset($sTime) ? time() : strtotime($sTime);
+    } else {
+        $iTime = $sTime;
+    }
+    return date('H', $iTime) + date('i', $iTime) / 60;     
+}
+
+function getTwilight($iYear, $iDay) {
+    $sTwilightFile = sprintf(TWILIGHT_FILE, $iYear);
+    if (file_exists($sTwilightFile)) {
+        $aDays = explode("\n", file_get_contents($sTwilightFile));
+        if (isset($aDays[$iDay])) {
+            $aDay = explode(',', $aDays[$iDay]);
+            if ($aDay[0] == $iDay) {
+                return $aDay;
+            }
+        }
+    }
+    return null;
+}
+
+function getWake(&$aTwilight = null) {
+    if (!isset($aTwilight)) {
+        $aTwilight = getTwilight(date('Y'), date('z') + 1);
+    }
+    return strtotime($sWake = isset($aTwilight) ? $aTwilight[1] : DEFAULT_WAKE);
+}
+
+function getSleep(&$aTwilight = null) {
+    if (!isset($aTwilight)) {
+        $aTwilight = getTwilight(date('Y'), date('z'));
+    }
+    return strtotime($sWake = isset($aTwilight) ? $aTwilight[3] : DEFAULT_WAKE);
+}
+
+function getTemperature($sStation = STATION, $iCity = CITY) {
+    // $aData = wunderground('conditions', sprintf('pws:%s', STATION));
+    // return isset($aData['current_observation']['temp_c']) ? $aData['current_observation']['temp_c'] : null;
+    $aData = openweathermap(CITY);
+    return isset($aData['main']['temp']) ? floatval($aData['main']['temp']) - 273.15 : null;
+}
+
+function command($sCommand) {
+    ob_start();
+    system($sCommand);
+    return ob_get_clean();
+}
+
+function clean() {
+    clearstatcache();
+    gc_collect_cycles();
+}