* finish task #3468.

module/extension/lang/en.php

@@ -46,6 +46,7 @@ $lang->extension->downloads   = 'Downloads';
 $lang->extension->compatible  = 'Compatibility';
 $lang->extension->grade       = 'Score';
 $lang->extension->depends     = 'Dependent';
+$lang->extension->expireDate  = 'Expire';
 $lang->extension->zentaoCompatible  = 'Compatible Version';
 $lang->extension->installedTime     = 'Installed Time';
 

module/extension/lang/zh-cn.php

@@ -46,6 +46,7 @@ $lang->extension->downloads   = '下载量';
 $lang->extension->compatible  = '兼容性';
 $lang->extension->grade       = '评分';
 $lang->extension->depends     = '依赖';
+$lang->extension->expireDate  = '到期日期';
 $lang->extension->zentaoCompatible  = '适用版本';
 $lang->extension->installedTime     = '安装时间';
 

module/extension/model.php

@@ -886,4 +886,35 @@ class extensionModel extends model
         if($type != 'between') return !$result;
         return $result;
     }
+
+    /**
+     * Get extension expire date.
+     * 
+     * @param  int    $extension 
+     * @access public
+     * @return void
+     */
+    public function getExpireDate($extension)
+    {
+        $licencePath = $this->app->getConfigRoot() . 'license/';
+        $today       = date('Y-m-d');
+        $expireDate  = '';
+
+        $licenceOrderFile = $licencePath . 'order' . $extension->code . $extension->version . '.txt';
+        if(file_exists($licenceOrderFile))
+        {
+            $order = file_get_contents($licenceOrderFile);
+            $order = unserialize($order);
+            if($order->type != 'life')
+            {
+                $days = isset($order->days) ? $order->days : 0;
+                if($order->type == 'demo') $days = 31;
+                if($order->type == 'year') $days = 365;
+                $startDate  = $order->paidDate != '0000-00-00 00:00:00' ? $order->paidDate : $order->createdDate;
+                if($days) $expireDate = date('Y-m-d', strtotime($startDate) + $days * 24 * 3600);
+            }
+        }
+
+        return $expireDate;
+    }
 }

module/extension/view/browse.html.php

@@ -53,6 +53,8 @@
     <?php
     echo "{$lang->extension->version}:    <i>{$extension->version}</i> ";
     echo "{$lang->extension->author}:     <i>{$extension->author}</i> ";
+    $expireDate = $this->extension->getExpireDate($extension);
+    if(!empty($expireDate)) echo "{$lang->extension->expireDate}:     <i>{$expireDate}</i>";
     ?>
   </div>
 </div></div>