First commit: working example listing events on OSI Calendar.

.gitignore

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+composer.phar
+lib/
+vendor/
+
+# Keep default config files, not the ones with data.
+config/config.json
+config/prod.json
+config/dev.json

README.md

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+# Calendaring
+
+This program uses the Google Calendar API to provide custom reports on your
+own calendars.
+
+Or, more realistically at this point, it attempts to show how to integrate that
+API in a Silex Framework application.
+
+
+# Install
+
+* Download Google API PHP Client. This code uses version 0.6.7 from:
+  `https://code.google.com/p/google-api-php-client/downloads/detail?name=google-api-php-client-0.6.7.tar.gz`
+* Unpack it to lib/google-api-php-client like:
+
+    `cd lib ; tar xf google-api-php-client-0.6.7.tar.gz`
+
+* Download composer.phar
+* Run `php composer.phar install` to download and install all Composer-controlled
+  dependencies.
+
+Regrettably, none of the Packagist packages for the Google API PHP Client
+appears to be reasonably up to date currently, hence the separate downloads.

app/boot.inc

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+<?php
+
+use Igorw\Silex\ConfigServiceProvider;
+use Silex\Application;
+
+function boot_load() {
+  // Enable Composer autoloading.
+  require_once __DIR__ . '/../vendor/autoload.php';
+
+  // Hard load non-autoloadable Google library
+  $lib_path = realpath(__DIR__ . '/../lib/google-api-php-client');
+
+  require_once "$lib_path/src/Google_Client.php";
+  require_once "$lib_path/src/contrib/Google_CalendarService.php";
+}
+
+function boot_app($env = 'prod') {
+  $config_dir = realpath(__DIR__ . '/../config');
+
+  $base_config = "$config_dir/config.json";
+  $env_config = "$config_dir/$env.json";
+
+  $app = new Application();
+  $app->register(new ConfigServiceProvider($base_config));
+  $app->register(new ConfigServiceProvider($env_config));
+  return $app;
+}
+
+function boot() {
+  $env = isset($_ENV['APP_ENV']) ? $_ENV['APP_ENV'] : 'prod';
+  boot_load($env);
+  $app = boot_app($env);
+  return $app;
+}

app/login.php

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+<?php
+
+require_once __DIR__ . '/boot.inc';
+
+$app = boot();
+
+session_start();
+
+$client = new Google_Client();
+
+$client->setClientId($app['auth']['client_id']);
+$client->setClientSecret($app['auth']['client_secret']);
+$client->setRedirectUri('http://api.audean.com/login.php');
+
+if (isset($_GET['logout'])) {
+  unset($_SESSION['token']);
+}
+
+if (isset($_GET['code'])) {
+  echo "<p>Code received";
+  $client->authenticate($_GET['code']);
+  $_SESSION['token'] = $client->getAccessToken();
+}
+else {
+  echo "<p>No code";
+}
+
+header('Location: http://' . $_SERVER['HTTP_HOST'] . '/simple.php');//$_SERVER['PHP_SELF']);

app/simple.php

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+<?php
+
+require_once __DIR__ . '/boot.inc';
+
+$app = boot();
+
+session_start();
+
+$client = new Google_Client();
+// $client->setApplicationName("cacao-round-436");
+
+$client->setClientId($app['auth']['client_id']);
+$client->setClientSecret($app['auth']['client_secret']);
+$client->setRedirectUri('http://api.audean.com/login.php');
+//$client->setDeveloperKey('insert_your_simple_api_key');
+
+// Visit https://code.google.com/apis/console?api=calendar to generate your
+// client id, client secret, and to register your redirect uri.
+// $client->setClientId('insert_your_oauth2_client_id');
+// $client->setClientSecret('insert_your_oauth2_client_secret');
+// $client->setRedirectUri('insert_your_oauth2_redirect_uri');
+// $client->setDeveloperKey('insert_your_developer_key');
+$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'])) {
+  echo "<p>Found session<pre>";
+  $token = json_decode($_SESSION['token']);
+  print_r($token);
+  $client->setAccessToken($_SESSION['token']);
+}
+
+if ($client->getAccessToken()) {
+  $calList = $cal->calendarList->listCalendarList();
+  print "<h1>Calendar List</h1><pre>";
+  //print_r($calList);
+  echo "</pre>\r\n";
+
+  $items = $cal->events->listEvents("k0vlpg3t9vbqtpe7jfj00h8oo8@group.calendar.google.com");
+  var_dump($items);
+  foreach ($items as $k => $v) {
+    echo "<li>$k:</li>";
+    print_r($v);
+  }
+  //k0vlpg3t9vbqtpe7jfj00h8oo8@group.calendar.google.com
+
+
+  $_SESSION['token'] = $client->getAccessToken();
+} else {
+  $authUrl = $client->createAuthUrl();
+  print "<a class='login' href='$authUrl'>Connect Me!</a>";
+}

composer.json

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+{
+  "name": "osinet/calendaring",
+  "license": "GPL-3.0+",
+  "authors": [
+    {
+      "name": "Frederic G. MARAND",
+      "email": "fgm@osinet.fr"
+    }
+  ],
+  "minimum-stability": "dev",
+  "require": {
+    "silex/silex": "1.2.*",
+    "psr/log": "*",
+    "igorw/config-service-provider": "v1.2.1"
+  },
+  "autoload": {
+    "psr-0": {
+      "OSInet\\Calendaring" : "src/OSInet/Calendaring/"
+    }
+  }
+}

composer.lock

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+                "type": "git",
+                "url": "https://github.com/symfony/Routing.git",
+                "reference": "a7a665e2a0e3a203ca9a690c021066e76295bf6a"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/Routing/zipball/a7a665e2a0e3a203ca9a690c021066e76295bf6a",
+                "reference": "a7a665e2a0e3a203ca9a690c021066e76295bf6a",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3"
+            },
+            "require-dev": {
+                "doctrine/annotations": "~1.0",
+                "psr/log": "~1.0",
+                "symfony/config": "~2.2",
+                "symfony/expression-language": "~2.4",
+                "symfony/yaml": "~2.0"
+            },
+            "suggest": {
+                "doctrine/annotations": "For using the annotation loader",
+                "symfony/config": "For using the all-in-one router or any loader",
+                "symfony/expression-language": "For using expression matching",
+                "symfony/yaml": "For using the YAML loader"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.4-dev"
+                }
+            },
+            "autoload": {
+                "psr-0": {
+                    "Symfony\\Component\\Routing\\": ""
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "http://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony Routing Component",
+            "homepage": "http://symfony.com",
+            "keywords": [
+                "router",
+                "routing",
+                "uri",
+                "url"
+            ],
+            "time": "2013-11-22 17:42:00"
+        }
+    ],
+    "packages-dev": [
+
+    ],
+    "aliases": [
+
+    ],
+    "minimum-stability": "dev",
+    "stability-flags": [
+
+    ],
+    "platform": [
+
+    ],
+    "platform-dev": [
+
+    ]
+}

config/default.config.json

@@ -0,0 +1,6 @@
+{
+  "auth": {
+    "client_id": "123456789012-somelongidstring.apps.googleusercontent.com",
+    "client_secret": "someclientsecret"
+  }
+}

config/default.prod.json

@@ -0,0 +1,9 @@
+{
+  "db": {
+    "host": "localhost",
+    "port": 3306,
+    "base": "somedb",
+    "user": "someuser",
+    "pass": "somepassword"
+  }
+}