doc/lib: Search in module documentations too

refs #6630

modules/doc/application/controllers/SearchController.php

@@ -5,22 +5,70 @@ use \Zend_Controller_Action_Exception;
 use Icinga\Application\Icinga;
 use Icinga\Module\Doc\DocController;
 use Icinga\Module\Doc\DocParser;
+use Icinga\Module\Doc\Exception\DocException;
 use Icinga\Module\Doc\Search\DocSearch;
 use Icinga\Module\Doc\Search\DocSearchIterator;
 use Icinga\Module\Doc\Search\DocSearchRenderer;
 
 class Doc_SearchController extends DocController
 {
+    /**
+     * Render search
+     */
     public function indexAction()
     {
-        $parser = new DocParser($this->getPath());
+        $parser = new DocParser($this->getWebPath());
         $search = new DocSearchRenderer(
             new DocSearchIterator(
                 $parser->getDocTree()->getIterator(),
                 new DocSearch($this->params->get('q'))
             )
         );
-        $this->view->search = $search->setUrl('doc/icingaweb/chapter');
+        $search->setUrl('doc/icingaweb/chapter');
+        $searches = array(
+            'Icinga Web 2' => $search
+        );
+        foreach (Icinga::app()->getModuleManager()->listEnabledModules() as $module) {
+            if (($path = $this->getModulePath($module)) !== null) {
+                try {
+                    $parser = new DocParser($path);
+                } catch (DocException $e) {
+                    continue;
+                }
+                $search = new DocSearchRenderer(
+                    new DocSearchIterator(
+                        $parser->getDocTree()->getIterator(),
+                        new DocSearch($this->params->get('q'))
+                    )
+                );
+                $search
+                    ->setUrl('doc/module/chapter')
+                    ->setUrlParams(array('moduleName' => $module));
+                $searches[$module] = $search;
+            }
+        }
+        $this->view->searches = $searches;
+    }
+
+    /**
+     * Get the path to a module's documentation
+     *
+     * @param   string  $module
+     *
+     * @return  string|null
+     */
+    protected function getModulePath($module)
+    {
+        if (is_dir(($path = Icinga::app()->getModuleManager()->getModuleDir($module, '/doc')))) {
+            return $path;
+        }
+        if (($path = $this->Config()->get('documentation', 'modules')) !== null) {
+            $path = str_replace('{module}', $module, $path);
+            if (is_dir($path)) {
+                return $path;
+            }
+        }
+        return null;
     }
 
     /**
@@ -30,7 +78,7 @@ class Doc_SearchController extends DocController
      *
      * @throws  Zend_Controller_Action_Exception    If Icinga Web 2's documentation is not available
      */
-    protected function getPath()
+    protected function getWebPath()
     {
         $path = Icinga::app()->getBaseDir('doc');
         if (is_dir($path)) {