Add caching.

4 files changed, 73 insertions, 6 deletions

diff --git a/composer.json b/composer.json
index bd337c6..b700895 100644
--- a/composer.json
+++ b/composer.json
@@ -1,6 +1,7 @@
 {
     "require": {
         "php-imap/php-imap": "^2.0",
-        "suin/php-rss-writer": "^1.4"
+        "suin/php-rss-writer": "^1.4",
+        "predis/predis": "^1.1"
     }
 }
diff --git a/composer.lock b/composer.lock
index 91d9352..5412ff7 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,8 +4,8 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "hash": "ceef96fe5f0bf30814febdce51afaaf4",
-    "content-hash": "5e9081cc591450aaf17d67806d687c74",
+    "hash": "73069b5929aaf8a36d0999e3862b423d",
+    "content-hash": "2afaee71251c82c35a7e96e2e0e712a5",
     "packages": [
         {
             "name": "php-imap/php-imap",
@@ -52,6 +52,56 @@
             "time": "2015-12-14 02:46:12"
         },
         {
+            "name": "predis/predis",
+            "version": "v1.1.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/nrk/predis.git",
+                "reference": "f0210e38881631afeafb56ab43405a92cafd9fd1"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/nrk/predis/zipball/f0210e38881631afeafb56ab43405a92cafd9fd1",
+                "reference": "f0210e38881631afeafb56ab43405a92cafd9fd1",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.9"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "~4.8"
+            },
+            "suggest": {
+                "ext-curl": "Allows access to Webdis when paired with phpiredis",
+                "ext-phpiredis": "Allows faster serialization and deserialization of the Redis protocol"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Predis\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Daniele Alessandri",
+                    "email": "suppakilla@gmail.com",
+                    "homepage": "http://clorophilla.net"
+                }
+            ],
+            "description": "Flexible and feature-complete Redis client for PHP and HHVM",
+            "homepage": "http://github.com/nrk/predis",
+            "keywords": [
+                "nosql",
+                "predis",
+                "redis"
+            ],
+            "time": "2016-06-16 16:22:20"
+        },
+        {
             "name": "suin/php-rss-writer",
             "version": "1.4.0",
             "source": {
diff --git a/imap.php b/imap.php
index 191447c..01d8dae 100644
--- a/imap.php
+++ b/imap.php
@@ -18,6 +18,7 @@ function getMail($user, $pass, $inbox, $max_items){
 			}
 		} catch( Exception $e ) {
 			header( $_SERVER["SERVER_PROTOCOL"] . " 403 Forbidden" );
+			error_log($e->getMessage());
 			exit(1);
 		}
 
diff --git a/index.php b/index.php
index b40b8e1..3daeb7e 100644
--- a/index.php
+++ b/index.php
@@ -1,11 +1,26 @@
 <?php
+require_once __DIR__ . '/bootstrap.php';
+
 $user = "feed@maxmail.xyz";
-$pass = "1234";
-$inbox = array("INBOX", "Trash");
+$pass = "1234abc";
+#$inbox = array("INBOX", "Trash");
+$inbox = array("INBOX");
 $max_items = 10;
+$ttl = 60*60;
 
 $mail = getMail($user, $pass, $inbox, $max_items);
 
 $inbox_string = implode(",", $inbox);
 
-$feed = generate_feed($mail, $user, $inbox_string);
+$cache_key = md5($user . $inbox_string);
+$client = new Predis\Client('tcp://127.0.0.1:6379?database=2');
+
+$feed = $client->get('feed_' . $cache_key);
+if ( false !== $feed ) {
+	$feed = generate_feed($mail, $user, $inbox_string);
+	$client->set('feed_' . $cache_key, $feed);
+	$client->expire('feed_' . $cache_key, $ttl);
+}
+
+header("Content-type: application/rss+xml");
+echo $feed;