Merge branch 'MDL-75140-master' of https://github.com/aanabit/moodle

mod/data/classes/local/importer/preset_existing_importer.php

@@ -0,0 +1,79 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+namespace mod_data\local\importer;
+
+use mod_data\manager;
+
+/**
+ * Data preset importer for existing presets
+ * @package    mod_data
+ * @copyright  2022 Amaia Anabitarte <amaia@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class preset_existing_importer extends preset_importer {
+
+    /** @var int user id. */
+    protected $userid;
+
+    /** @var string fullname of the preset. */
+    private $fullname;
+
+    /**
+     * Constructor
+     *
+     * @param manager $manager
+     * @param string $fullname
+     */
+    public function __construct(manager $manager, string $fullname) {
+        global $USER;
+
+        list($userid, $shortname) = explode('/', $fullname, 2);
+        $context = $manager->get_context();
+        if ($userid &&
+            ($userid != $USER->id) &&
+            !has_capability('mod/data:manageuserpresets', $context) &&
+            !has_capability('mod/data:viewalluserpresets', $context)
+        ) {
+            throw new \coding_exception('Invalid preset provided');
+        }
+
+        $this->userid = $userid;
+        $this->fullname = $fullname;
+        $cm = $manager->get_coursemodule();
+        $course = $cm->get_course();
+        $filepath = data_preset_path($course, $userid, $shortname);
+        parent::__construct($manager, $filepath);
+    }
+
+    /**
+     * Returns user ID
+     *
+     * @return int|string userid or empty string
+     */
+    public function get_userid() {
+        return $this->userid;
+    }
+
+    /**
+     * Returns the information we need to build the importer selector.
+     *
+     * @return array Value and name for the preset importer selector
+     */
+    public function get_preset_selector(): array {
+        return ['name' => 'fullname', 'value' => $this->get_userid().'/'.$this->get_directory()];
+    }
+}