IMPR: AJAX processing

_config/base-extensions.yml

@@ -15,7 +15,7 @@ SilverStripe\SiteConfig\SiteConfig:
 PageController:
   extensions:
     - A2nt\CMSNiceties\Extensions\PageControllerEx
-    - A2nt\CMSNiceties\Ajax\Ex\AjaxLoginFormControllerEx
+    - A2nt\CMSNiceties\Ajax\Ex\AjaxControllerEx
 
 SilverStripe\CMS\Model\SiteTree:
   default_container_class: 'container'
@@ -45,6 +45,8 @@ SilverStripe\Core\Injector\Injector:
     class: A2nt\CMSNiceties\Forms\GridField\GridFieldConfig_RecordEditor
   SilverStripe\Forms\GridField\GridFieldConfig_RelationEditor:
     class: A2nt\CMSNiceties\Forms\GridField\GridFieldConfig_RelationEditor
+  SilverStripe\Forms\FormRequestHandler:
+    class: A2nt\CMSNiceties\Ajax\AjaxFormRequestHandler
 
 SilverStripe\UserForms\Form\UserForm:
   extensions:

src/Ajax/AjaxFormRequestHandler.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace A2nt\CMSNiceties\Ajax;
+
+use A2nt\CMSNiceties\Ajax\Ex\AjaxControllerEx;
+use SilverStripe\Forms\FormRequestHandler;
+use SilverStripe\ORM\ValidationResult;
+
+class AjaxFormRequestHandler extends FormRequestHandler
+{
+    private static $allowed_actions = [
+        'httpSubmission',
+    ];
+
+    /**
+     * Handle a form submission.  GET and POST requests behave identically.
+     * Populates the form with {@link loadDataFrom()}, calls {@link validate()},
+     * and only triggers the requested form action/method
+     * if the form is valid.
+     *
+     * @param HTTPRequest $request
+     * @return HTTPResponse
+     * @throws HTTPResponse_Exception
+     */
+    public function httpSubmission($request)
+    {
+        $resp = parent::httpSubmission($request);
+
+        if (!AjaxControllerEx::isFormRequest()) {
+            return $resp;
+        }
+
+        $validation = $this->form->validationResult();
+        if (!$validation->isValid()) {
+            $messages = $validation->getMessages();
+            return json_encode([
+                'status' => ValidationResult::TYPE_ERROR,
+                'msgs' => $messages,
+            ]);
+        }
+
+        return $resp;
+    }
+}

src/Ajax/Ex/AjaxControllerEx.php

@@ -0,0 +1,161 @@
+<?php
+
+namespace A2nt\CMSNiceties\Ajax\Ex;
+
+use SilverStripe\Control\Controller;
+use SilverStripe\Control\Director;
+use SilverStripe\Core\Extension;
+use SilverStripe\Core\Injector\Injector;
+use SilverStripe\Forms\Form;
+use SilverStripe\Security\MemberAuthenticator\MemberAuthenticator;
+use SilverStripe\Security\Security;
+use SilverStripe\View\SSViewer;
+
+/**
+ * Class \App\Service\Ex\ServiceAreaController
+ *
+ * @property \A2nt\CMSNiceties\Ajax\Ex\AjaxLoginFormControllerEx $owner
+ */
+class AjaxControllerEx extends Extension
+{
+    private static $allowed_actions = [
+        'LoginFormEx',
+        'LostPasswordForm',
+        'passwordsent',
+    ];
+
+    private static function _makeAllFieldsRequired(Form $form)
+    {
+        $fields = $form->Fields();
+        foreach ($fields as $f) {
+            $f
+                ->setAttribute('required', 'required')
+                ->addExtraClass('required');
+        }
+    }
+
+    public function LoginFormEx()
+    {
+        $ctrl = $this->owner;
+
+        /* @var Form $form */
+        $form = $ctrl->LoginForm();
+        self::_makeAllFieldsRequired($form);
+
+        //$form->addExtraClass('ajax-form');
+        $form->setLegend('Sign in to your service account');
+
+        if ($form->get_protector()) {
+            $form->enableSpamProtection();
+        }
+
+        return $form;
+    }
+
+    public function LostPasswordForm()
+    {
+        if (Security::getCurrentUser()) {
+            return;
+        }
+
+        $ctrl = $this->owner;
+        $form = Injector::inst()->get(MemberAuthenticator::class)
+            ->getLostPasswordHandler($ctrl->Link())
+            ->lostPasswordForm();
+
+        self::_makeAllFieldsRequired($form);
+        $form->addExtraClass('ajax-form');
+        $form->setLegend('Restore your password');
+
+        if ($form->get_protector()) {
+            $form->enableSpamProtection();
+        }
+
+        return $form;
+    }
+
+    public static function isFormRequest()
+    {
+        $ctrl = Controller::curr();
+        /* @var $req SilverStripe\Control\HTTPRequest */
+        $req = $ctrl->getRequest();
+
+        return $req->getHeader('x-requested-form') || $req->requestVar('formid');
+    }
+
+    public function passwordsent()
+    {
+        $ctrl = $this->owner;
+
+        if (self::isFormRequest() && Director::is_ajax()) {
+            $message = _t(
+                'SilverStripe\\Security\\Security.PASSWORDRESETSENTTEXT',
+                "Thank you. A reset link has been sent, provided an account exists for this email address."
+            );
+
+            $json = json_encode([
+                'status' => 'success',
+                'message' => '<div class="alert alert-success">'.$message.'</div>',
+            ]);
+
+            return $json;
+        }
+
+        return Injector::inst()->get(MemberAuthenticator::class)
+            ->getLostPasswordHandler($ctrl->Link())
+            ->passwordsent();
+    }
+
+
+    public static function processAJAX($tpls)
+    {
+        foreach ($tpls as $tpl) {
+            if (is_array($tpl)) {
+                continue;
+            }
+
+            $a_tpl = explode('\\', $tpl);
+            $last_name = array_pop($a_tpl);
+            $a_tpl[] = 'Layout';
+            $a_tpl[] = $last_name;
+            $a_tpl = implode('\\', $a_tpl);
+
+            if (SSViewer::hasTemplate($a_tpl)) {
+                $tpl = $a_tpl;
+                break;
+            }
+        }
+        //
+
+        $tpl = is_array($tpl) ? 'Page' : $tpl;
+        $tpl = ($tpl !== 'Page') ? $tpl : 'Layout/Page';
+
+        return SSViewer::create($tpl);
+    }
+
+    public function prepareAjaxResponse($response)
+    {
+        $ctrl = $this->owner;
+
+        $record = $ctrl->dataRecord;
+
+        $req = $ctrl->getRequest();
+        $url = $req->getURL();
+        $url = $url === 'home' ? '/' : $url;
+
+        $resources = array_merge(
+            $ctrl->config()->get('graphql_resources'),
+            $ctrl->config()->get('ajax_resources')
+        );
+
+        $response->setBody(json_encode([
+            'ID' => $record->ID,
+            'Title' => $record->Title,
+            'Link' => $ctrl->Link(),
+            'CSSClass' => $ctrl->CSSClass(),
+            'Resources' => $resources,
+            'RequestLink' => $url,
+            'MainContent' => $response->getBody(),
+        ]));
+    }
+}

src/Ajax/Ex/AjaxLoginFormControllerEx.php

@@ -1,60 +0,0 @@
-<?php
-
-namespace A2nt\CMSNiceties\Ajax\Ex;
-
-use SilverStripe\Core\Extension;
-use SilverStripe\Core\Injector\Injector;
-use SilverStripe\Security\MemberAuthenticator\MemberAuthenticator;
-use SilverStripe\Security\Security;
-
-/**
- * Class \App\Service\Ex\ServiceAreaController
- *
- * @property \A2nt\CMSNiceties\Ajax\Ex\AjaxLoginFormControllerEx $owner
- */
-class AjaxLoginFormControllerEx extends Extension
-{
-    private static $allowed_actions = [
-        'LoginFormEx',
-        'LostPasswordForm',
-        'passwordsent',
-    ];
-
-    public function LoginFormEx()
-    {
-        $ctrl = $this->owner;
-
-        /* @var Form $form */
-        $form = $ctrl->LoginForm();
-        $form->setLegend('Sign in to your service account');
-        //$form->enableSpamProtection();
-
-        return $form;
-    }
-
-    public function LostPasswordForm()
-    {
-        if (Security::getCurrentUser()) {
-            return;
-        }
-
-        $ctrl = $this->owner;
-        $form = Injector::inst()->get(MemberAuthenticator::class)
-            ->getLostPasswordHandler($ctrl->Link())
-            ->lostPasswordForm();
-
-        $form->setLegend('Restore your password');
-        //$form->enableSpamProtection();
-
-        return $form;
-    }
-
-    public function passwordsent()
-    {
-        $ctrl = $this->owner;
-
-        return Injector::inst()->get(MemberAuthenticator::class)
-            ->getLostPasswordHandler($ctrl->Link())
-            ->passwordsent();
-    }
-}