Adding Search form

Author: JBris

app/modules/custom/linux_package_viewer/linux_package_viewer.routing.yml

@@ -3,7 +3,7 @@ linux_package_viewer.search:
     defaults:
       _form: '\Drupal\linux_package_viewer\Form\SearchForm'
       _title: 'Search'
-    methods: ['GET']
+    methods: ['GET', 'POST']
     requirements:
         _permission: 'view linux packages'
     options:

app/modules/custom/linux_package_viewer/src/Form/SearchForm.php

@@ -43,24 +43,81 @@ public function getFormId() {
     }
 
     public function submitForm(array &$form, FormStateInterface $form_state) {
-
+        $form_state->setRebuild(false);
     }
 
     public function buildForm(array $form, FormStateInterface $form_state) {
-        $form['title'] = [
+
+        $definitions = $this->pluginManager->getDefinitions();
+        $form['distribution'] = [
+            '#type' => 'select',
+            '#title' => $this->t('Distribution'),
+        ];
+
+        foreach($definitions as $id => $definition) {
+            $form['distribution']['#options'][$id] = $this->t($definition['distribution']);  
+        }
+
+        $form['package'] = [
             '#type' => 'textfield',
-            '#title' => $this->t('Search'),
+            '#title' => $this->t('Package'),
             '#size' => 60,
             '#maxlength' => 128,
-            '#required' => TRUE,
         ];
 
-        $form['save'] = array(
+        $form['save'] = [
             '#type' => 'submit',
-            '#value' => $this->t('Save'),
-        );
+            '#value' => $this->t('Search'),
+            '#ajax' => [
+                'callback' => '::searchPackages',
+                'wrapper' => 'linux-package-viewer-search-results-wrapper', 
+                'event' => 'click',
+                'progress' => [
+                    'type' => 'throbber',
+                    'message' => NULL,
+                ]
+            ]
+        ];
+
+        $form['results'] = [
+            '#type' => 'container',
+            '#prefix' => '<div id="linux-package-viewer-search-results-wrapper">',
+            '#suffix' => '</div>',
+        ];
 
         return $form;
     }
 
+    public function searchPackages($form, FormStateInterface $formState) {
+        $package = trim($formState->getValue('package'));
+        if ($package === '') { return $form['results']; }
+
+        $distribution = $formState->getValue('distribution');
+        $instance = $this->pluginManager->createInstance($distribution);
+        $instance->setPackage($package);
+        $results = $instance->execute();
+
+        $ele = [
+            '#type' => 'table',
+            '#header' => [
+                $this->t('Package'),
+                $this->t('View'),
+            ],
+        ];
+
+        foreach($results as $i => $result){
+            $ele[$i]['#attributes'] = [
+                'class' => ['linux-package-viewer-search-result']
+            ];
+
+            $ele[$i]['package'] = [
+                '#plain_text' => $this->t($result),
+            ];
+        }
+        
+        $ele['#prefix'] = '<div id="linux-package-viewer-search-results-wrapper">';
+        $ele['#suffix'] = '</div>';
+        return $ele;
+    }
+
 }

app/modules/custom/linux_package_viewer/src/Plugin/LinuxPackageViewer/DebianViewer.php

@@ -22,9 +22,14 @@ class DebianViewer extends LinuxPackageViewerPluginBase implements ContainerFact
     public function executeRaw() {
         $package = $this->getPackage();
         if ($package === "") { return []; }
-
         $url = $this->getSearchUrl();
-        $results = $this->httpClient->get("${url}/${package}");
+
+        try {
+            $results = $this->httpClient->get("${url}/${package}");
+        } catch (\Exception $e) {
+            return [];
+        }
+
         $body = $results->getBody();
         $decodedBody = json_decode($body);
         return $decodedBody;

app/modules/custom/linux_package_viewer/src/Plugin/LinuxPackageViewer/FedoraViewer.php

@@ -32,7 +32,13 @@ public function executeRaw() {
             "start_row" => 0,
         ];
         $searchString = json_encode($search);
-        $results = $this->httpClient->get("${url}/${searchString}");
+
+        try {
+            $results = $this->httpClient->get("${url}/${searchString}");
+        } catch (\Exception $e) {
+            return [];
+        }
+
         $body = $results->getBody();
         $decodedBody = json_decode($body);
         return $decodedBody;

app/modules/custom/linux_package_viewer/src/Plugin/LinuxPackageViewer/UbuntuViewer.php

@@ -22,17 +22,23 @@ class UbuntuViewer extends LinuxPackageViewerPluginBase implements ContainerFact
     public function executeRaw() {
         $package = $this->getPackage();
         if ($package === "") { return []; }
-
         $url = $this->getSearchUrl();
-        $results = $this->httpClient->get($url, [
-            "query" => [           
-                "ws.op" => "getPublishedSources",
-                "exact_match" => "false",
-                "source_name" => $package,
-                "ws.size" => "200",
-                "ordered" => "false"
-            ]
-        ]);
+
+        try {
+            $results = $this->httpClient->get($url, [
+                "query" => [           
+                    "ws.op" => "getPublishedSources",
+                    "exact_match" => "false",
+                    "source_name" => $package,
+                    "ws.size" => "200",
+                    "ordered" => "false",
+                    "memo" => "200"
+                ]
+            ]);
+        } catch (\Exception $e) {
+            return [];
+        }
+
         $body = $results->getBody();
         $decodedBody = json_decode($body);
         return $decodedBody;