* Fix bug #17995.

module/api/control.php

@@ -319,21 +319,15 @@ class api extends control
     {
         if(!empty($_POST))
         {
-            if($type == 'demo')
-            {
-                $libID = $this->api->createDemoData($this->post->name, $this->post->baseUrl);
-                return $this->sendSuccess(array('locate' => $this->createLink('api', 'index', "libID=$libID")));
-            }
+            $libID = $type == 'demo' ? $this->api->createDemoData($this->post->name, $this->post->baseUrl) : $this->doc->createApiLib();
+            if(dao::isError())  return $this->sendError(dao::getError());
 
-            /* save api doc library */
-            $libID = $this->doc->createApiLib();
-            if(dao::isError())
-            {
-                return $this->sendError(dao::getError());
-            }
+            /* If the created api library of imported zentao api library, return directly. */
+            if($type == 'demo') return $this->sendSuccess(array('locate' => $this->createLink('api', 'index', "libID=$libID")));
+
+            /* Record action for create api library. */
             $this->action->create('docLib', $libID, 'Created');
 
-            /* save doc library success */
             return $this->sendSuccess(array('locate' => $this->createLink('api', 'index', "libID=$libID")));
         }
 

module/api/model.php

@@ -742,6 +742,9 @@ class apiModel extends model
      */
     public function createDemoData($name, $baseUrl, $version = '16.0')
     {
+        /* Replace the doc lib name to api lib name. */
+        $this->lang->doclib->name = $this->lang->doclib->apiLibName;
+
         $firstAccount   = $this->dao->select('account')->from(TABLE_USER)->orderBy('id_asc')->limit(1)->fetch('account');
         $currentAccount = isset($this->app->user->account) ? $this->app->user->account : $firstAccount;
 
@@ -752,7 +755,10 @@ class apiModel extends model
         $lib->baseUrl = $baseUrl;
         $lib->acl     = 'open';
         $lib->users   = ',' . $currentAccount . ',';
-        $this->dao->insert(TABLE_DOCLIB)->data($lib)->exec();
+        $this->dao->insert(TABLE_DOCLIB)->data($lib)->autoCheck()
+            ->batchCheck($this->config->api->createlib->requiredFields, 'notempty')
+            ->check('name', 'unique', "`type` = 'api'")
+            ->exec();
 
         $libID = $this->dao->lastInsertID();
 

module/doc/model.php

@@ -201,7 +201,7 @@ class docModel extends model
      */
     public function createApiLib()
     {
-        /* replace doc library name */
+        /* Replace doc library name. */
         $this->lang->doclib->name = $this->lang->doclib->apiLibName;
 
         $data = fixer::input('post')