Process bookmark exports through Slim controllers

application/front/controller/admin/ExportController.php

@@ -0,0 +1,92 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shaarli\Front\Controller\Admin;
+
+use DateTime;
+use Shaarli\Bookmark\Bookmark;
+use Slim\Http\Request;
+use Slim\Http\Response;
+
+/**
+ * Class ExportController
+ *
+ * Slim controller used to display Shaarli data export page,
+ * and process the bookmarks export as a Netscape Bookmarks file.
+ */
+class ExportController extends ShaarliAdminController
+{
+    /**
+     * GET /admin/export - Display export page
+     */
+    public function index(Request $request, Response $response): Response
+    {
+        $this->assignView('pagetitle', t('Export') .' - '. $this->container->conf->get('general.title', 'Shaarli'));
+
+        return $response->write($this->render('export'));
+    }
+
+    /**
+     * POST /admin/export - Process export, and serve download file named
+     *                      bookmarks_(all|private|public)_datetime.html
+     */
+    public function export(Request $request, Response $response): Response
+    {
+        $selection = $request->getParam('selection');
+
+        if (empty($selection)) {
+            $this->saveErrorMessage(t('Please select an export mode.'));
+
+            return $this->redirect($response, '/admin/export');
+        }
+
+        $prependNoteUrl = filter_var($request->getParam('prepend_note_url') ?? false, FILTER_VALIDATE_BOOLEAN);
+
+        try {
+            $formatter = $this->container->formatterFactory->getFormatter('raw');
+
+            $this->assignView(
+                'links',
+                $this->container->netscapeBookmarkUtils->filterAndFormat(
+                    $formatter,
+                    $selection,
+                    $prependNoteUrl,
+                    index_url($this->container->environment)
+                )
+            );
+        } catch (\Exception $exc) {
+            $this->saveErrorMessage($exc->getMessage());
+
+            return $this->redirect($response, '/admin/export');
+        }
+
+        $now = new DateTime();
+        $response = $response->withHeader('Content-Type', 'text/html; charset=utf-8');
+        $response = $response->withHeader(
+            'Content-disposition',
+            'attachment; filename=bookmarks_'.$selection.'_'.$now->format(Bookmark::LINK_DATE_FORMAT).'.html'
+        );
+
+        $this->assignView('date', $now->format(DateTime::RFC822));
+        $this->assignView('eol', PHP_EOL);
+        $this->assignView('selection', $selection);
+
+        return $response->write($this->render('export.bookmarks'));
+    }
+
+    /**
+     * @param mixed[] $data Variables passed to the template engine
+     *
+     * @return mixed[] Template data after active plugins render_picwall hook execution.
+     */
+    protected function executeHooks(array $data): array
+    {
+        $this->container->pluginManager->executeHooks(
+            'render_tools',
+            $data
+        );
+
+        return $data;
+    }
+}