Manh

Vagrantfile

@@ -6,6 +6,7 @@ Vagrant::Config.run do |config|
   config.vm.box_url = 'http://hglab.realworld.jp/boxes/CentOS-5.7-i386.box'
   config.vm.network :hostonly, '33.33.33.99'
   config.vm.provision :chef_solo do |chef|
+    chef.install = false
     chef.cookbooks_path = 'cookbooks'
     chef.roles_path = "roles"
     chef.add_role "vagrant-codeigniter"

codeigniter/application/config/config.php

@@ -224,7 +224,7 @@
 | MUST set an encryption key.  See the user guide for info.
 |
 */
-$config['encryption_key'] = '';
+$config['encryption_key'] = 'realworld';
 
 /*
 |--------------------------------------------------------------------------
@@ -279,7 +279,7 @@
 | COOKIE data is encountered
 |
 */
-$config['global_xss_filtering'] = FALSE;
+$config['global_xss_filtering'] = TRUE;
 
 /*
 |--------------------------------------------------------------------------
@@ -293,7 +293,7 @@
 | 'csrf_cookie_name' = The cookie name
 | 'csrf_expire' = The number in seconds the token should expire.
 */
-$config['csrf_protection'] = FALSE;
+$config['csrf_protection'] = TRUE;
 $config['csrf_token_name'] = 'csrf_test_name';
 $config['csrf_cookie_name'] = 'csrf_cookie_name';
 $config['csrf_expire'] = 7200;
@@ -357,6 +357,7 @@
 */
 $config['proxy_ips'] = '';
 
+$config['javascript_location'] = 'https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"';
 
 /* End of file config.php */
 /* Location: ./application/config/config.php */

codeigniter/application/config/constants.php

@@ -36,6 +36,8 @@
 define('FOPEN_WRITE_CREATE_STRICT',				'xb');
 define('FOPEN_READ_WRITE_CREATE_STRICT',		'x+b');
 
+define(TWEET_LIMIT, 10);
+define(CACHE_TIME_OUT, 300);
 
 /* End of file constants.php */
 /* Location: ./application/config/constants.php */

codeigniter/application/config/database.php

@@ -51,7 +51,7 @@
 $db['default']['hostname'] = 'localhost';
 $db['default']['username'] = 'root';
 $db['default']['password'] = '';
-$db['default']['database'] = 'codeigniter';
+$db['default']['database'] = 'twitter';
 $db['default']['dbdriver'] = 'mysql';
 $db['default']['dbprefix'] = '';
 $db['default']['pconnect'] = TRUE;

codeigniter/application/config/memcached.php

@@ -0,0 +1,7 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');   
+
+$config['memcached'] = array(
+    'hostname' => '127.0.0.1',
+    'port' => 11211,
+    'weight' => 1
+);

codeigniter/application/config/routes.php

@@ -7,7 +7,7 @@
 |
 | Typically there is a one-to-one relationship between a URL string
 | and its corresponding controller class/method. The segments in a
-| URL normally follow this pattern:
+| URL normally follow this pattern:	
 |
 |	example.com/class/method/id/
 |
@@ -40,7 +40,11 @@
 
 $route['default_controller'] = "welcome";
 $route['404_override'] = '';
-
-
+$route['twitter/login'] = 'user_controller/login';
+$route['twitter/register'] = 'user_controller/register';
+$route['twitter/logout'] = 'user_controller/logout';
+$route['twitter/homepage'] = 'tweet_controller/homepage';
+$route['twitter/tweet/(:num)'] = 'tweet_controller/tweet/$1';
+$route['twitter/post'] = 'tweet_controller/post';
 /* End of file routes.php */
 /* Location: ./application/config/routes.php */

codeigniter/application/controllers/tweet_controller.php

@@ -0,0 +1,70 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+
+class Tweet_controller extends CI_CONTROLLER
+{
+    public function __construct()
+    {
+        parent::__construct();
+
+        $this->load->library('form_validation');
+        $this->load->library('session');
+        $this->load->library('encrypt');
+        $this->load->library('security');
+        $this->load->library('javascript');
+        $this->load->library('javascript/jquery', FALSE);
+        $this->load->library('driver');
+
+        $this->load->driver('cache');
+
+        $this->load->model('tweet_model');
+        $this->load->model("user_model");
+
+        $this->load->helper(array('form','url', 'email', 'date', 'html'));
+        if (!$this->_is_login()) {
+            redirect('twitter/login');
+        }   
+    }
+
+    private function _is_login()
+    {
+        return $this->session->userdata('username');
+    }
+
+    // ツイート・リストをもっと表示する
+    public function tweet($limit)
+    {
+        $user_id = $this->session->userdata('id');
+        $data['tweets'] = $this->tweet_model->get($user_id, $limit);
+        $this->load->view('tweet', $data);
+    }
+
+    // 新しいツイートを投稿する
+    public function post()
+    {
+        $user_id = $this->session->userdata('id');
+
+        $tweet = $this->input->post('tweet');
+        $tweet_length = strlen($tweet);
+        if (($tweet_length === 0) || ($tweet_length > 140)) {
+            return;
+        }
+
+        $this->tweet_model->insert($user_id, $tweet);
+        $data['tweets'] = $this->tweet_model->get($user_id, TWEET_LIMIT);
+    }
+
+    public function homepage()
+    {  
+        $data['library_src'] = $this->jquery->script();            
+
+        $data['name'] = $this->session->userdata('username');
+        $user_id = $this->session->userdata('id');
+        $data['user_id'] = $user_id;
+        $data['tweets'] = $this->tweet_model->get($user_id, TWEET_LIMIT);
+        $this->form_validation->set_rules('tweet', 'ツイート', 'trim|required|max_lenght[140]|min_length[0]');
+
+        if ($this->form_validation->run() === FALSE) {
+            $this->load->view('mainpage',$data);    
+        }             
+    }
+}

codeigniter/application/controllers/user_controller.php

@@ -0,0 +1,115 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+
+class User_controller extends CI_CONTROLLER
+{
+    public function __construct()
+    {
+        parent::__construct();
+
+        $this->load->library('form_validation');
+        $this->load->library('session');
+        $this->load->library('encrypt');
+        $this->load->library('security');
+        $this->load->library('javascript');
+        $this->load->library('javascript/jquery', FALSE);
+        $this->load->library('input');
+        $this->load->library('driver');
+
+        $this->load->driver('cache');
+
+        $this->load->model('user_model');
+
+        $this->load->helper(array('form','url', 'email', 'date', 'html'));
+    }
+
+    public function login()
+    {
+        $this->form_validation->set_rules('mail', 'メールアドレス', 'trim|required|valid_email');
+        $this->form_validation->set_rules('password', 'パスワード', 'trim|required|min_length[6]');
+
+        if ($this->form_validation->run() === FALSE) {
+            $this->load->view('login');
+        } else {         
+            $mail = $this->input->post("mail");
+            $password = $this->input->post("password");
+            $result = $this->user_model->get($mail, $password);
+
+            if ($result !== NULL) {
+                $sessiondata = array(
+                    'username' => $result->name,
+                    'mail' => $mail,
+                    'id' => $result->user_id
+                );
+                $this->session->set_userdata($sessiondata);
+                $this->user_model->set_status($mail, 'ON');
+                redirect('twitter/homepage');
+            } 
+
+            $this->session->set_flashdata('error_msg', '<div class="text-danger">メールアドレスまたはパスワードが違います！</div>');
+            redirect('twitter/login');
+        }       
+    }
+
+    public function register()
+    {
+        $this->form_validation->set_rules('name', '名前', 'trim|required');
+        $this->form_validation->set_rules('mail', 'メールアドレス', 'trim|required|valid_email|callback_mail_unique');
+        $this->form_validation->set_rules('password', 'パスワード', 'trim|required|min_length[6]|user_password_unique');
+        $this->form_validation->set_rules('confirm_password', '確認パスワード', 'trim|required|min_length[6]|callback_password_confirm');
+
+        if ($this->form_validation->run() === FALSE) {
+            $this->load->view('register');
+        } else {
+            $name = $this->input->post("name");
+            $mail = $this->input->post("mail");
+            $password = $this->input->post("password");
+            $password = $this->encrypt->encode($password);
+
+            $this->load->model("user_model");
+            $this->user_model->insert($name, $mail, $password);
+
+            $sessiondata = array(
+                'username' => $name,
+                'mail' => $mail,
+                'id' => $result->user_id
+            );
+            $this->session->set_userdata($sessiondata);
+            $this->user_model->set_status($mail, 'ON');
+            redirect('twitter/homepage');
+        }
+    }
+
+    // 確認パスワードをチェック
+    public function password_confirm($confirm_password)
+    {
+        $password = $this->input->post("password");
+
+        if ($confirm_password === $password) {
+            return TRUE;
+        }
+
+        $this->form_validation->set_message('password_confirm', '確認パスワードは違います。');
+        return FALSE;
+    }
+
+    // 登録メールの存在をチェック
+    public function mail_unique($mail)
+    {
+        $is_mail_unique = $this->user_model->is_mail_unique($mail);
+
+        if ($is_mail_unique === FALSE) {
+            $this->form_validation->set_message('mail_unique', 'メールは存在しました！');
+        }
+
+        return $is_mail_unique;
+    }
+
+    public function logout()
+    {
+        $mail = $this->session->userdata('mail');
+        $this->user_model->set_status($mail, 'OFF');
+        $this->session->sess_destroy();
+        $this->cache->memcached->clean();
+        redirect('twitter/login');
+    }
+}

codeigniter/application/models/tweet_model.php

@@ -0,0 +1,99 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+
+class Tweet_model extends CI_MODEL
+{
+    public function __construct()
+    {
+        parent::__construct();
+
+        $this->load->library('driver');
+        $this->load->driver('cache');
+
+        $this->load->database();
+    }
+
+    // ツイートを読み出す
+    public function get($user_id, $limit)
+    {
+        $result = array();
+        $limit = (int) $limit;
+        $on_cache = $this->cache->memcached->get($limit);
+
+        if ($on_cache === FALSE) {
+            for ($key = TWEET_LIMIT; $key < $limit; $key += TWEET_LIMIT) {
+                $result = array_merge($result, $this->cache->memcached->get($key));
+            }
+            $last_tweets = $this->cache->memcached->get($limit - TWEET_LIMIT);
+            $last_tweet_id = $last_tweets[count($last_tweets) - 1]['tweet_id'];
+
+            $this->db->select('tweet.*, users.name');
+            $this->db->join('users', 'users.user_id = tweet.user_id');
+            $this->db->order_by('tweet_id', 'desc');
+            if ($last_tweet_id !== NULL) {
+                $this->db->where('tweet_id <', $last_tweet_id);
+            }
+            $this->db->where('tweet.user_id =', $user_id);
+            $add_to_cache = $this->db->get('tweet', TWEET_LIMIT)->result_array();
+            $this->cache->memcached->save($limit, $add_to_cache, CACHE_TIME_OUT);
+            $result = array_merge($result, $add_to_cache);
+            return $result;
+        }
+
+        for ($key = TWEET_LIMIT; $key <= $limit; $key += TWEET_LIMIT) {
+            $result = array_merge($result, $this->cache->memcached->get($key));
+        }
+        $tweet_num = count($result);
+        if ($tweet_num < $limit) {
+            $last_tweet_id = $result[$tweet_num - 1]['tweet_id'];
+            $this->db->select('tweet.*, users.name');
+            $this->db->join('users', 'users.user_id = tweet.user_id');
+            $this->db->order_by('tweet_id', 'desc');
+            $this->db->where('tweet_id <', $last_tweet_id);
+            $this->db->where('tweet.user_id =', $user_id);
+            $add_to_cache = $this->db->get('tweet', TWEET_LIMIT)->result_array();
+            $result = array_merge($result, $add_to_cache);
+            $add_to_cache = array_merge($this->cache->memcached->get($limit), $add_to_cache);
+            $this->cache->memcached->save($limit, $add_to_cache, CACHE_TIME_OUT);
+        }
+        return $result;
+    }
+
+    // ツイートを入力する
+    public function insert($user_id, $tweet)
+    {
+        $time = date('Y-m-d H:i:s', now());
+        $data = array(
+            'tweet_id' => NULL,
+            'user_id' => $user_id,
+            'tweet' => $tweet,
+            'time' => $time,
+        );
+        $this->db->insert('tweet', $data);
+
+        $this->db->select('tweet.*, users.name');
+        $this->db->select('users.name');
+        $this->db->from('users');
+        $this->db->where('time =', $time);
+        $temp = $this->db->get('tweet')->result_array();
+        $key = TWEET_LIMIT;
+
+        while (1) {
+            $cache = $this->cache->memcached->get($key);
+            if ($cache !== FALSE) {
+                $cache_length = count($cache); 
+                if($cache_length === 10) {          
+                    $cache = array_merge($temp, $cache);
+                    $temp = $cache[count($cache) - 1];
+                    array_pop($cache);
+                    $this->cache->memcached->save($key, $cache, CACHE_TIME_OUT);
+                    $key += TWEET_LIMIT;
+                    continue;
+                }
+                $this->cache->memcached->save($key, array_merge(array($temp), $cache), CACHE_TIME_OUT);
+                break;
+            }
+            $this->cache->memcached->save($key, array($temp), CACHE_TIME_OUT);
+            break;
+        }
+    }
+}