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lib/pkp/controllers/grid/settings/SetupGridHandler.php

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+<?php
+
+/**
+ * @file controllers/grid/settings/SetupGridHandler.php
+ *
+ * Copyright (c) 2014-2021 Simon Fraser University
+ * Copyright (c) 2003-2021 John Willinsky
+ * Distributed under the GNU GPL v3. For full terms see the file docs/COPYING.
+ *
+ * @class SetupGridHandler
+ *
+ * @ingroup controllers_grid_settings
+ *
+ * @brief Base class for setup grid handlers
+ */
+
+namespace PKP\controllers\grid\settings;
+
+use PKP\controllers\grid\GridHandler;
+use PKP\core\JSONMessage;
+use PKP\core\PKPRequest;
+use PKP\file\TemporaryFileManager;
+use PKP\security\authorization\ContextAccessPolicy;
+use PKP\security\Role;
+
+class SetupGridHandler extends GridHandler
+{
+    /**
+     * Constructor
+     */
+    public function __construct()
+    {
+        parent::__construct();
+        $this->addRoleAssignment(
+            [Role::ROLE_ID_MANAGER, Role::ROLE_ID_SITE_ADMIN],
+            ['uploadImage']
+        );
+    }
+
+    /**
+     * @copydoc PKPHandler::authorize()
+     *
+     * @param bool $contextRequired
+     */
+    public function authorize($request, &$args, $roleAssignments, $contextRequired = true)
+    {
+        if ($contextRequired) {
+            $this->addPolicy(new ContextAccessPolicy($request, $roleAssignments));
+        }
+        return parent::authorize($request, $args, $roleAssignments);
+    }
+
+    /**
+     * Handle file uploads for cover/image art for things like Series and Categories.
+     *
+     * @param array $args
+     * @param PKPRequest $request
+     */
+    public function uploadImage($args, $request)
+    {
+        $router = $request->getRouter();
+        $context = $request->getContext();
+        $user = $request->getUser();
+
+        $temporaryFileManager = new TemporaryFileManager();
+        $temporaryFile = $temporaryFileManager->handleUpload('uploadedFile', $user->getId());
+        if ($temporaryFile) {
+            $json = new JSONMessage(true);
+            $json->setAdditionalAttributes([
+                'temporaryFileId' => $temporaryFile->getId()
+            ]);
+            return $json;
+        } else {
+            return new JSONMessage(false, __('common.uploadFailed'));
+        }
+    }
+}