1: <?php
  2: /**
  3:  * @filesource Kotchasan/Router.php
  4:  *
  5:  * @copyright 2016 Goragod.com
  6:  * @license http://www.kotchasan.com/license/
  7:  *
  8:  * @see http://www.kotchasan.com/
  9:  */
 10: 
 11: namespace Kotchasan;
 12: 
 13: /**
 14:  * Router class.
 15:  *
 16:  * @author Goragod Wiriya <admin@goragod.com>
 17:  *
 18:  * @since 1.0
 19:  */
 20: class Router extends \Kotchasan\KBase
 21: {
 22:     /**
 23:      * กฏของ Router สำหรับการแยกหน้าเว็บไซต์.
 24:      *
 25:      * @var array
 26:      */
 27:     protected $rules = array(
 28:         // index.php/module/model/folder/_dir/_method
 29:         '/^[a-z0-9]+\.php\/([a-z]+)\/(model)(\/([\/a-z0-9_]+)\/([a-z0-9_]+))?$/i' => array('module', '_mvc', '', '_dir', '_method'),
 30:         // index/model/_dir
 31:         '/([a-z]+)\/(model|controller|view)\/([a-z0-9_]+)/i' => array('module', '_mvc', '_dir'),
 32:         // module/alias
 33:         '/^([a-z]+)\/(.*)$/' => array('module', 'alias'),
 34:         // module, module.php
 35:         '/^([a-z0-9_]+)(\.php)?$/' => array('module'),
 36:         // alias
 37:         '/^(.*)$/' => array('alias'),
 38:     );
 39: 
 40:     /**
 41:      * Initial Router.
 42:      *
 43:      * @param string $className คลาสที่จะรับค่าจาก Router
 44:      *
 45:      * @throws \InvalidArgumentException หากไม่พบคลาสเป้าหมาย
 46:      *
 47:      * @return \static
 48:      */
 49:     public function init($className)
 50:     {
 51:         // ตรวจสอบโมดูล
 52:         $modules = $this->parseRoutes(self::$request->getUri()->getPath(), self::$request->getQueryParams());
 53:         if (isset($modules['module']) && isset($modules['_mvc']) && isset($modules['_dir'])) {
 54:             // คลาสจาก URL
 55:             $className = str_replace(' ', '\\', ucwords($modules['module'].' '.str_replace(array('\\', '/'), ' ', $modules['_dir']).' '.$modules['_mvc']));
 56:             $method = empty($modules['_method']) ? 'index' : $modules['_method'];
 57:         } elseif (isset($modules['_class']) && isset($modules['_method'])) {
 58:             // ระบุ Class และ Method มาตรงๆ
 59:             // ต้องเขียนกฏของ Router เองให้รัดกุม
 60:             $className = str_replace('/', '\\', $modules['_class']);
 61:             $method = $modules['_method'];
 62:         } else {
 63:             // ไม่ระบุเมธอดมา เรียกเมธอด index
 64:             $method = empty($modules['_method']) ? 'index' : $modules['_method'];
 65:         }
 66:         if (!class_exists($className)) {
 67:             throw new \InvalidArgumentException('Class '.$className.' not found');
 68:         } elseif (method_exists($className, $method)) {
 69:             // สร้างคลาส
 70:             $obj = new $className();
 71:             // เรียกเมธอด
 72:             $obj->$method(self::$request->withQueryParams($modules));
 73:         } else {
 74:             throw new \InvalidArgumentException('Method '.$method.' not found in '.$className);
 75:         }
 76: 
 77:         return $this;
 78:     }
 79: 
 80:     /**
 81:      * แยก path คืนค่าเป็น query string.
 82:      *
 83:      * @assert ('/print.php/css/view/index', array()) [==] array( '_mvc' => 'view', '_dir' => 'index', 'module' => 'css')
 84:      * @assert ('/index/model/updateprofile.php', array()) [==] array( '_mvc' => 'model', '_dir' => 'updateprofile', 'module' => 'index')
 85:      * @assert ('/index.php/alias/model/admin/settings/save', array()) [==] array('module' => 'alias', '_mvc' => 'model', '_dir' => 'admin/settings', '_method' => 'save')
 86:      * @assert ('/css/view/index.php', array()) [==] array('module' => 'css', '_mvc' => 'view', '_dir' => 'index')
 87:      * @assert ('/module/ทดสอบ.html', array()) [==] array('alias' => 'ทดสอบ', 'module' => 'module')
 88:      * @assert ('/module.html', array()) [==] array('module' => 'module')
 89:      * @assert ('/ทดสอบ.html', array()) [==] array('alias' => 'ทดสอบ')
 90:      * @assert ('/ทดสอบ.html', array('module' => 'test')) [==] array('alias' => 'ทดสอบ', 'module' => 'test')
 91:      * @assert ('/index.php', array('_action' => 'one')) [==] array('_action' => 'one')
 92:      * @assert ('/admin_index.php', array('_action' => 'one')) [==] array('_action' => 'one', 'module' => 'admin_index')
 93:      *
 94:      * @param  string   path     เช่น /a/b/c.html
 95:      * @param array $modules query string
 96:      *
 97:      * @return array
 98:      */
 99:     public function parseRoutes($path, $modules)
100:     {
101:         $base_path = preg_quote(BASE_PATH, '/');
102:         // แยกเอาฉพาะ path ที่ส่งมา ไม่รวม path ของ application และ นามสกุล
103:         if (preg_match('/^'.$base_path.'(.*)(\.html?|\/)$/u', $path, $match)) {
104:             $my_path = $match[1];
105:         } elseif (preg_match('/^'.$base_path.'(.*)$/u', $path, $match)) {
106:             $my_path = $match[1];
107:         }
108:         if (!empty($my_path) && !preg_match('/^[a-z0-9]+\.php$/i', $my_path)) {
109:             $my_path = rawurldecode($my_path);
110:             foreach ($this->rules as $patt => $items) {
111:                 if (preg_match($patt, $my_path, $match)) {
112:                     foreach ($items as $i => $key) {
113:                         if (!empty($key) && isset($match[$i + 1])) {
114:                             $modules[$key] = $match[$i + 1];
115:                         }
116:                     }
117:                     break;
118:                 }
119:             }
120:         }
121: 
122:         return $modules;
123:     }
124: }
125: