trac750 Automatically update linked Facebook users' statuses

darcs-hash:20090105010407-7b5ce-559da13720b18e3c570e730326f5e5ef2b2dc1ab.gz

_darcs/inventory

@@ -112,4 +112,6 @@ Evan Prodromou <evan@prodromou.name>**20081230211444]
 [better serialization of arrays and booleans in config output
 Evan Prodromou <evan@prodromou.name>**20081230211957] 
 [wrapper element for config.xml
-Evan Prodromou <evan@prodromou.name>**20081230212202] 
+Evan Prodromou <evan@prodromou.name>**20081230212202] 
+[trac750 Automatically update linked Facebook users' statuses
+Zach Copley <zach@controlyourself.ca>**20090105010407] 

_darcs/pristine/actions/facebookhome.php

@@ -36,7 +36,7 @@ class FacebookhomeAction extends FacebookAction
 
         $user = null;
 
-        $facebook = $this->get_facebook();
+        $facebook = get_facebook();
         $fbuid = $facebook->require_login();
 
         # check to see whether there's already a Facebook link for this user

_darcs/pristine/actions/facebookinvite.php

@@ -34,7 +34,7 @@ class FacebookinviteAction extends FacebookAction
     function display()
     {
 
-        $facebook = $this->get_facebook();
+        $facebook = get_facebook();
 
         $fbuid = $facebook->require_login();
 

_darcs/pristine/actions/facebooksettings.php

@@ -34,7 +34,7 @@ class FacebooksettingsAction extends FacebookAction
     function display()
     {
 
-        $facebook = $this->get_facebook();
+        $facebook = get_facebook();
 
         $fbuid = $facebook->require_login();
 
@@ -44,6 +44,8 @@ class FacebooksettingsAction extends FacebookAction
             .'</fb:if-section-not-added>';
 
 
+        $fbml .= '<fb:prompt-permission perms="status_update"><h2>Allow Identi.ca to update my Facebook status</h2></fb:prompt-permission>';
+
         $this->show_header('Settings');
 
         echo $fbml;

_darcs/pristine/classes/Foreign_link.php

@@ -4,7 +4,7 @@
  */
 require_once INSTALLDIR.'/classes/Memcached_DataObject.php';
 
-class Foreign_link extends Memcached_DataObject 
+class Foreign_link extends Memcached_DataObject
 {
     ###START_AUTOCODE
     /* the code below is auto generated do not remove the above tag */
@@ -13,7 +13,7 @@ class Foreign_link extends Memcached_DataObject
     public $user_id;                         // int(4)  primary_key not_null
     public $foreign_id;                      // int(4)  primary_key not_null
     public $service;                         // int(4)  primary_key not_null
-    public $credentials;                     // varchar(255)  
+    public $credentials;                     // varchar(255)
     public $noticesync;                      // tinyint(1)   not_null default_1
     public $friendsync;                      // tinyint(1)   not_null default_2
     public $profilesync;                     // tinyint(1)   not_null default_1
@@ -29,7 +29,8 @@ class Foreign_link extends Memcached_DataObject
 
     // XXX:  This only returns a 1->1 single obj mapping.  Change?  Or make
     // a getForeignUsers() that returns more than one? --Zach
-    static function getByUserID($user_id, $service) {
+    static function getByUserID($user_id, $service)
+    {
         $flink = new Foreign_link();
         $flink->service = $service;
         $flink->user_id = $user_id;
@@ -39,10 +40,11 @@ class Foreign_link extends Memcached_DataObject
             return $flink;
         }
 
-        return null;        
+        return null;
     }
-    
+
-    static function getByForeignID($foreign_id, $service) {
+    static function getByForeignID($foreign_id, $service)
+    {
         $flink = new Foreign_link();
         $flink->service = $service;
         $flink->foreign_id = $foreign_id;
@@ -52,28 +54,28 @@ class Foreign_link extends Memcached_DataObject
             return $flink;
         }
 
-        return null;        
+        return null;
     }
-        
+
     # Convenience methods
     function getForeignUser()
-    {        
+    {
         $fuser = new Foreign_user();
         $fuser->service = $this->service;
         $fuser->id = $this->foreign_id;
-        
+
         $fuser->limit(1);
-        
+
         if ($fuser->find(true)) {
             return $fuser;
         }
-        
+
-        return null;        
+        return null;
     }
-    
+
     function getUser()
     {
         return User::staticGet($this->user_id);
     }
-        
+
 }

_darcs/pristine/lib/facebookaction.php

@@ -19,7 +19,8 @@
 
 if (!defined('LACONICA')) { exit(1); }
 
-require_once(INSTALLDIR.'/extlib/facebook/facebook.php');
+require_once(INSTALLDIR.'/lib/facebookutil.php');
+
 
 class FacebookAction extends Action
 {
@@ -29,13 +30,6 @@ class FacebookAction extends Action
         parent::handle($args);
     }
 
-    function get_facebook()
-    {
-        $apikey = common_config('facebook', 'apikey');
-        $secret = common_config('facebook', 'secret');
-        return new Facebook($apikey, $secret);
-    }
-
     function update_profile_box($facebook, $fbuid, $user)
     {
 

_darcs/pristine/lib/facebookutil.php

@@ -0,0 +1,40 @@
+<?php
+/*
+ * Laconica - a distributed open-source microblogging tool
+ * Copyright (C) 2008, Controlez-Vous, Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+require_once(INSTALLDIR.'/extlib/facebook/facebook.php');
+
+// Gets all the notices from users with a Facebook link since a given ID
+function get_facebook_notices($since)
+{
+    $qry = 'SELECT notice.* ' .
+        'FROM notice ' .
+        'JOIN foreign_link ' .
+        'WHERE notice.profile_id = foreign_link.user_id ' .
+        'AND foreign_link.service = 2';
+
+    // XXX: What should the limit be?
+    return Notice::getStreamDirect($qry, 0, 100, 0, 0, null, $since);
+}
+
+function get_facebook()
+{
+    $apikey = common_config('facebook', 'apikey');
+    $secret = common_config('facebook', 'secret');
+    return new Facebook($apikey, $secret);
+}

_darcs/pristine/scripts/update_facebook.php

@@ -0,0 +1,102 @@
+#!/usr/bin/env php
+<?php
+/*
+ * Laconica - a distributed open-source microblogging tool
+ * Copyright (C) 2008, Controlez-Vous, Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.     See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.     If not, see <http://www.gnu.org/licenses/>.
+ */
+
+# Abort if called from a web server
+if (isset($_SERVER) && array_key_exists('REQUEST_METHOD', $_SERVER)) {
+    print "This script must be run from the command line\n";
+    exit();
+}
+
+define('INSTALLDIR', realpath(dirname(__FILE__) . '/..'));
+define('LACONICA', true);
+
+require_once(INSTALLDIR . '/lib/common.php');
+require_once(INSTALLDIR . '/lib/facebookutil.php');
+
+// For storing the last run date-time
+$last_updated_file = "/home/zach/laconica/scripts/facebook_last_updated";
+
+// Lock file name
+$tmp_file = "/tmp/update_facebook.lock";
+
+// Make sure only one copy of the script is running at a time
+if (!($tmp_file = @fopen($tmp_file, "w")))
+{
+	die("Can't open lock file. Script already running?");
+}
+
+$facebook = get_facebook();
+
+$current_time = time();
+
+$notice = get_facebook_notices(get_last_updated());
+
+while($notice->fetch()) {
+
+    $flink = Foreign_link::getByUserID($notice->profile_id, 2);
+    $fbuid = $flink->foreign_id;
+
+    update_status($fbuid, $notice);
+
+}
+
+update_last_updated($current_time);
+
+exit(0);
+
+
+
+function update_status($fbuid, $notice) {
+    global $facebook;
+
+    try {
+
+        $result = $facebook->api_client->users_setStatus($notice->content, $fbuid, false, true);
+
+    } catch(FacebookRestClientException $e){
+
+    	print_r($e);
+    }
+
+}
+
+function get_last_updated(){
+	global $last_updated_file, $current_time;
+
+	$file = fopen($last_updated_file, 'r');
+
+	if ($file) {
+	    $last = fgets($file);
+	} else {
+	    print "Unable to read $last_updated_file. Using current time.\n";
+	    return $current_time;
+	}
+
+	fclose($file);
+
+	return $last;
+}
+
+function update_last_updated($time){
+	global $last_updated_file;
+	$file = fopen($last_updated_file, 'w') or die("Can't open $last_updated_file for writing!");
+	fwrite($file, $time);
+	fclose($file);
+}

_darcs/tentative_pristine

@@ -1,4 +1,215 @@
-hunk ./actions/twitapilaconica.php 118
+hunk ./actions/facebookhome.php 39
-+            common_element_start('config');
+-        $facebook = $this->get_facebook();
-hunk ./actions/twitapilaconica.php 135
++        $facebook = get_facebook();
-+            common_element_end('config');
+hunk ./actions/facebookinvite.php 37
+-        $facebook = $this->get_facebook();
++        $facebook = get_facebook();
+hunk ./actions/facebooksettings.php 37
+-        $facebook = $this->get_facebook();
++        $facebook = get_facebook();
+hunk ./actions/facebooksettings.php 47
++        $fbml .= '<fb:prompt-permission perms="status_update"><h2>Allow Identi.ca to update my Facebook status</h2></fb:prompt-permission>';
++
+hunk ./classes/Foreign_link.php 7
+-class Foreign_link extends Memcached_DataObject 
++class Foreign_link extends Memcached_DataObject
+hunk ./classes/Foreign_link.php 16
+-    public $credentials;                     // varchar(255)  
++    public $credentials;                     // varchar(255)
+hunk ./classes/Foreign_link.php 32
+-    static function getByUserID($user_id, $service) {
++    static function getByUserID($user_id, $service)
++    {
+hunk ./classes/Foreign_link.php 43
+-        return null;        
++        return null;
+hunk ./classes/Foreign_link.php 45
+-    
+-    static function getByForeignID($foreign_id, $service) {
++
++    static function getByForeignID($foreign_id, $service)
++    {
+hunk ./classes/Foreign_link.php 57
+-        return null;        
++        return null;
+hunk ./classes/Foreign_link.php 59
+-        
++
+hunk ./classes/Foreign_link.php 62
+-    {        
++    {
+hunk ./classes/Foreign_link.php 66
+-        
++
+hunk ./classes/Foreign_link.php 68
+-        
++
+hunk ./classes/Foreign_link.php 72
+-        
+-        return null;        
++
++        return null;
+hunk ./classes/Foreign_link.php 75
+-    
++
+hunk ./classes/Foreign_link.php 80
+-        
++
+hunk ./lib/facebookaction.php 22
+-require_once(INSTALLDIR.'/extlib/facebook/facebook.php');
++require_once(INSTALLDIR.'/lib/facebookutil.php');
++
+hunk ./lib/facebookaction.php 32
+-
+-    function get_facebook()
+-    {
+-        $apikey = common_config('facebook', 'apikey');
+-        $secret = common_config('facebook', 'secret');
+-        return new Facebook($apikey, $secret);
+-    }
+addfile ./lib/facebookutil.php
+hunk ./lib/facebookutil.php 1
++<?php
++/*
++ * Laconica - a distributed open-source microblogging tool
++ * Copyright (C) 2008, Controlez-Vous, Inc.
++ *
++ * This program is free software: you can redistribute it and/or modify
++ * it under the terms of the GNU Affero General Public License as published by
++ * the Free Software Foundation, either version 3 of the License, or
++ * (at your option) any later version.
++ *
++ * This program is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
++ * GNU Affero General Public License for more details.
++ *
++ * You should have received a copy of the GNU Affero General Public License
++ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
++ */
++
++require_once(INSTALLDIR.'/extlib/facebook/facebook.php');
++
++// Gets all the notices from users with a Facebook link since a given ID
++function get_facebook_notices($since)
++{
++    $qry = 'SELECT notice.* ' .
++        'FROM notice ' .
++        'JOIN foreign_link ' .
++        'WHERE notice.profile_id = foreign_link.user_id ' .
++        'AND foreign_link.service = 2';
++
++    // XXX: What should the limit be?
++    return Notice::getStreamDirect($qry, 0, 100, 0, 0, null, $since);
++}
++
++function get_facebook()
++{
++    $apikey = common_config('facebook', 'apikey');
++    $secret = common_config('facebook', 'secret');
++    return new Facebook($apikey, $secret);
++}
+addfile ./scripts/update_facebook.php
+hunk ./scripts/update_facebook.php 1
++#!/usr/bin/env php
++<?php
++/*
++ * Laconica - a distributed open-source microblogging tool
++ * Copyright (C) 2008, Controlez-Vous, Inc.
++ *
++ * This program is free software: you can redistribute it and/or modify
++ * it under the terms of the GNU Affero General Public License as published by
++ * the Free Software Foundation, either version 3 of the License, or
++ * (at your option) any later version.
++ *
++ * This program is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.     See the
++ * GNU Affero General Public License for more details.
++ *
++ * You should have received a copy of the GNU Affero General Public License
++ * along with this program.     If not, see <http://www.gnu.org/licenses/>.
++ */
++
++# Abort if called from a web server
++if (isset($_SERVER) && array_key_exists('REQUEST_METHOD', $_SERVER)) {
++    print "This script must be run from the command line\n";
++    exit();
++}
++
++define('INSTALLDIR', realpath(dirname(__FILE__) . '/..'));
++define('LACONICA', true);
++
++require_once(INSTALLDIR . '/lib/common.php');
++require_once(INSTALLDIR . '/lib/facebookutil.php');
++
++// For storing the last run date-time
++$last_updated_file = "/home/zach/laconica/scripts/facebook_last_updated";
++
++// Lock file name
++$tmp_file = "/tmp/update_facebook.lock";
++
++// Make sure only one copy of the script is running at a time
++if (!($tmp_file = @fopen($tmp_file, "w")))
++{
++	die("Can't open lock file. Script already running?");
++}
++
++$facebook = get_facebook();
++
++$current_time = time();
++
++$notice = get_facebook_notices(get_last_updated());
++
++while($notice->fetch()) {
++
++    $flink = Foreign_link::getByUserID($notice->profile_id, 2);
++    $fbuid = $flink->foreign_id;
++
++    update_status($fbuid, $notice);
++
++}
++
++update_last_updated($current_time);
++
++exit(0);
++
++
++
++function update_status($fbuid, $notice) {
++    global $facebook;
++
++    try {
++
++        $result = $facebook->api_client->users_setStatus($notice->content, $fbuid, false, true);
++
++    } catch(FacebookRestClientException $e){
++
++    	print_r($e);
++    }
++
++}
++
++function get_last_updated(){
++	global $last_updated_file, $current_time;
++
++	$file = fopen($last_updated_file, 'r');
++
++	if ($file) {
++	    $last = fgets($file);
++	} else {
++	    print "Unable to read $last_updated_file. Using current time.\n";
++	    return $current_time;
++	}
++
++	fclose($file);
++
++	return $last;
++}
++
++function update_last_updated($time){
++	global $last_updated_file;
++	$file = fopen($last_updated_file, 'w') or die("Can't open $last_updated_file for writing!");
++	fwrite($file, $time);
++	fclose($file);
++}

actions/facebookhome.php

@@ -36,7 +36,7 @@ class FacebookhomeAction extends FacebookAction
 
         $user = null;
 
-        $facebook = $this->get_facebook();
+        $facebook = get_facebook();
         $fbuid = $facebook->require_login();
 
         # check to see whether there's already a Facebook link for this user

actions/facebookinvite.php

@@ -34,7 +34,7 @@ class FacebookinviteAction extends FacebookAction
     function display()
     {
 
-        $facebook = $this->get_facebook();
+        $facebook = get_facebook();
 
         $fbuid = $facebook->require_login();
 

actions/facebooksettings.php

@@ -34,7 +34,7 @@ class FacebooksettingsAction extends FacebookAction
     function display()
     {
 
-        $facebook = $this->get_facebook();
+        $facebook = get_facebook();
 
         $fbuid = $facebook->require_login();
 
@@ -44,6 +44,8 @@ class FacebooksettingsAction extends FacebookAction
             .'</fb:if-section-not-added>';
 
 
+        $fbml .= '<fb:prompt-permission perms="status_update"><h2>Allow Identi.ca to update my Facebook status</h2></fb:prompt-permission>';
+
         $this->show_header('Settings');
 
         echo $fbml;

classes/Foreign_link.php

@@ -4,7 +4,7 @@
  */
 require_once INSTALLDIR.'/classes/Memcached_DataObject.php';
 
-class Foreign_link extends Memcached_DataObject 
+class Foreign_link extends Memcached_DataObject
 {
     ###START_AUTOCODE
     /* the code below is auto generated do not remove the above tag */
@@ -13,7 +13,7 @@ class Foreign_link extends Memcached_DataObject
     public $user_id;                         // int(4)  primary_key not_null
     public $foreign_id;                      // int(4)  primary_key not_null
     public $service;                         // int(4)  primary_key not_null
-    public $credentials;                     // varchar(255)  
+    public $credentials;                     // varchar(255)
     public $noticesync;                      // tinyint(1)   not_null default_1
     public $friendsync;                      // tinyint(1)   not_null default_2
     public $profilesync;                     // tinyint(1)   not_null default_1
@@ -29,7 +29,8 @@ class Foreign_link extends Memcached_DataObject
 
     // XXX:  This only returns a 1->1 single obj mapping.  Change?  Or make
     // a getForeignUsers() that returns more than one? --Zach
-    static function getByUserID($user_id, $service) {
+    static function getByUserID($user_id, $service)
+    {
         $flink = new Foreign_link();
         $flink->service = $service;
         $flink->user_id = $user_id;
@@ -39,10 +40,11 @@ class Foreign_link extends Memcached_DataObject
             return $flink;
         }
 
-        return null;        
+        return null;
     }
-    
+
-    static function getByForeignID($foreign_id, $service) {
+    static function getByForeignID($foreign_id, $service)
+    {
         $flink = new Foreign_link();
         $flink->service = $service;
         $flink->foreign_id = $foreign_id;
@@ -52,28 +54,28 @@ class Foreign_link extends Memcached_DataObject
             return $flink;
         }
 
-        return null;        
+        return null;
     }
-        
+
     # Convenience methods
     function getForeignUser()
-    {        
+    {
         $fuser = new Foreign_user();
         $fuser->service = $this->service;
         $fuser->id = $this->foreign_id;
-        
+
         $fuser->limit(1);
-        
+
         if ($fuser->find(true)) {
             return $fuser;
         }
-        
+
-        return null;        
+        return null;
     }
-    
+
     function getUser()
     {
         return User::staticGet($this->user_id);
     }
-        
+
 }

lib/facebookaction.php

@@ -19,7 +19,8 @@
 
 if (!defined('LACONICA')) { exit(1); }
 
-require_once(INSTALLDIR.'/extlib/facebook/facebook.php');
+require_once(INSTALLDIR.'/lib/facebookutil.php');
+
 
 class FacebookAction extends Action
 {
@@ -29,13 +30,6 @@ class FacebookAction extends Action
         parent::handle($args);
     }
 
-    function get_facebook()
-    {
-        $apikey = common_config('facebook', 'apikey');
-        $secret = common_config('facebook', 'secret');
-        return new Facebook($apikey, $secret);
-    }
-
     function update_profile_box($facebook, $fbuid, $user)
     {
 

lib/facebookutil.php

@@ -0,0 +1,40 @@
+<?php
+/*
+ * Laconica - a distributed open-source microblogging tool
+ * Copyright (C) 2008, Controlez-Vous, Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+require_once(INSTALLDIR.'/extlib/facebook/facebook.php');
+
+// Gets all the notices from users with a Facebook link since a given ID
+function get_facebook_notices($since)
+{
+    $qry = 'SELECT notice.* ' .
+        'FROM notice ' .
+        'JOIN foreign_link ' .
+        'WHERE notice.profile_id = foreign_link.user_id ' .
+        'AND foreign_link.service = 2';
+
+    // XXX: What should the limit be?
+    return Notice::getStreamDirect($qry, 0, 100, 0, 0, null, $since);
+}
+
+function get_facebook()
+{
+    $apikey = common_config('facebook', 'apikey');
+    $secret = common_config('facebook', 'secret');
+    return new Facebook($apikey, $secret);
+}

scripts/update_facebook.php

@@ -0,0 +1,102 @@
+#!/usr/bin/env php
+<?php
+/*
+ * Laconica - a distributed open-source microblogging tool
+ * Copyright (C) 2008, Controlez-Vous, Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.     See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.     If not, see <http://www.gnu.org/licenses/>.
+ */
+
+# Abort if called from a web server
+if (isset($_SERVER) && array_key_exists('REQUEST_METHOD', $_SERVER)) {
+    print "This script must be run from the command line\n";
+    exit();
+}
+
+define('INSTALLDIR', realpath(dirname(__FILE__) . '/..'));
+define('LACONICA', true);
+
+require_once(INSTALLDIR . '/lib/common.php');
+require_once(INSTALLDIR . '/lib/facebookutil.php');
+
+// For storing the last run date-time
+$last_updated_file = "/home/zach/laconica/scripts/facebook_last_updated";
+
+// Lock file name
+$tmp_file = "/tmp/update_facebook.lock";
+
+// Make sure only one copy of the script is running at a time
+if (!($tmp_file = @fopen($tmp_file, "w")))
+{
+	die("Can't open lock file. Script already running?");
+}
+
+$facebook = get_facebook();
+
+$current_time = time();
+
+$notice = get_facebook_notices(get_last_updated());
+
+while($notice->fetch()) {
+
+    $flink = Foreign_link::getByUserID($notice->profile_id, 2);
+    $fbuid = $flink->foreign_id;
+
+    update_status($fbuid, $notice);
+
+}
+
+update_last_updated($current_time);
+
+exit(0);
+
+
+
+function update_status($fbuid, $notice) {
+    global $facebook;
+
+    try {
+
+        $result = $facebook->api_client->users_setStatus($notice->content, $fbuid, false, true);
+
+    } catch(FacebookRestClientException $e){
+
+    	print_r($e);
+    }
+
+}
+
+function get_last_updated(){
+	global $last_updated_file, $current_time;
+
+	$file = fopen($last_updated_file, 'r');
+
+	if ($file) {
+	    $last = fgets($file);
+	} else {
+	    print "Unable to read $last_updated_file. Using current time.\n";
+	    return $current_time;
+	}
+
+	fclose($file);
+
+	return $last;
+}
+
+function update_last_updated($time){
+	global $last_updated_file;
+	$file = fopen($last_updated_file, 'w') or die("Can't open $last_updated_file for writing!");
+	fwrite($file, $time);
+	fclose($file);
+}