added the magic

2012-11-18 14:21:43 +01:00 · 2012-11-18 14:21:43 +01:00 · 0717d9f7c5
commit 0717d9f7c5
parent 69c047da13
1 changed files with 138 additions and 0 deletions
--- a/index.php
+++ b/index.php
@ -0,0 +1,138 @@
+<?php
+require_once 'google-api/Google_Client.php';
+require_once 'google-api/contrib/Google_CalendarService.php';
+
+session_start();
+
+$client = new Google_Client();
+$client->setApplicationName("Google Calendar PHP Starter Application");
+
+// Visit https://code.google.com/apis/console?api=calendar to generate your
+// client id, client secret, and to register your redirect uri.
+$client->setClientId('881243075742.apps.googleusercontent.com');
+$client->setClientSecret('xBRiQQeDPjBF1hR6PO71ju0h');
+$client->setRedirectUri('http://www.steffenvogel.de/demos/lazymeter');
+$client->setDeveloperKey('AIzaSyCgi7GeXk0FQpYgROFnVmd5lG0_t1USM-M');
+$cal = new Google_CalendarService($client);
+
+if (isset($_GET['logout'])) {
+	unset($_SESSION['token']);
+}
+
+if (isset($_GET['code'])) {
+	$client->authenticate($_GET['code']);
+	$_SESSION['token'] = $client->getAccessToken();
+	header('Location: http://' . $_SERVER['HTTP_HOST'] . $_SERVER['PHP_SELF']);
+}
+
+if (isset($_SESSION['token'])) {
+	$client->setAccessToken($_SESSION['token']);
+}
+
+if ($client->getAccessToken()) {
+	$busy = array();
+	$calItems = array();
+	$calBlacklist = array(
+		"#contacts@group.v.calendar.google.com",
+		"#weeknum@group.v.calendar.google.com",
+		"#holiday@group.v.calendar.google.com",
+		"#weather@group.v.calendar.google.com"
+	);
+
+	// filter calendars
+	$calList = array_filter($cal->calendarList->listCalendarList()['items'], function($cal) use ($calBlacklist) {
+		foreach ($calBlacklist as $black) {
+			if (strpos($cal['id'], $black) !== false) {
+				return false;
+			}
+		}
+
+		return true;
+	});
+
+	// fetch free/busy times
+	foreach ($calList as $calendar) {
+		$item = new Google_FreeBusyRequestItem();
+		$item->setId($calendar['id']);
+		array_push($calItems, $item);
+	}
+
+	$fbReq = new Google_FreeBusyRequest();
+	$timezone = new DateTimeZone($cal->settings->get('timezone')['value']);
+	$midnight = new DateTime("today", $timezone);
+	$tomorrow = new DateTime("tomorrow", $timezone);
+
+	$fbReq->setTimeMin(date('c', $midnight->getTimestamp()));
+	$fbReq->setTimeMax(date('c', $tomorrow->getTimestamp()));
+	$fbReq->setItems($calItems);
+
+	$fb = $cal->freebusy->query($fbReq);
+
+	// aggregate free/busy events
+	foreach ($fb['calendars'] as $id => $cal) {
+		array_walk($cal['busy'], function(&$entry) use ($id) {
+			$entry['cal'] = $id;
+
+			// convert rfc datetime strings to unix timestamps
+			$entry['start_ts'] = new DateTime($entry['start']);
+			$entry['end_ts'] = new DateTime($entry['end']);
+		});
+
+		$busy = array_merge($busy, $cal['busy']);
+	}
+
+	// filter full-time events
+	$busy = array_filter($busy, function() {
+		return true;
+	});
+
+	// sort with start time
+	usort($busy, function($a, $b) {
+		if ($a['start_ts'] == $b['start_ts']) return 0;
+		else return ($a['start_ts'] < $b['start_ts']) ? -1 : 1;
+	});
+
+	$duration = 0;
+	for ($i = 0; $i < count($busy); $i++) {
+		$start = $busy[$i]['start_ts']->getTimestamp();
+		$end = $busy[$i]['end_ts']->getTimestamp();
+
+		for ($j = $i+1; $j < count($busy); $j++) {
+			if ($busy[$j]['start_ts'] <= $end && $busy[$j]['end_ts'] > $end) {
+				echo "found overlap between $i and $j<br/>";
+
+				$end = $busy[$j]['end_ts'];
+				$i = $j;
+			}
+		}
+
+		$diff = $end - $start;
+
+		echo "adding $i with dur = " . $diff . "<br />";
+
+		$duration += $diff;
+	}
+
+	$sleep = 7*60*60;
+	$awake = $duration - $sleep;
+
+	$percentage = $awake / (24*60*60-$sleep);
+
+	print "<h1>Busy</h1>";
+	print_pre($busy);
+	print "<h1>Result</h1>
+		<ul>
+			<li>duration: " . $duration / 3600 . " hours</li>
+			<li>awake: " . $awake / 3600 . " hours</li>
+			<li>percentage: " . ($percentage*100) . " %</li>
+		</ul>";
+
+
+	$_SESSION['token'] = $client->getAccessToken();
+} else {
+	header('Location: ' . $client->createAuthUrl());
+}
+
+function print_pre($data) {
+	echo "<pre>" . print_r($data, true) . "</pre>";
+}