first commit

admin/tool/admin_presets/classes/event/preset_deleted.php

@@ -0,0 +1,44 @@
+<?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 tool_admin_presets\event;
+
+use core\event\base;
+
+/**
+ * Admin tool presets event class deleted.
+ *
+ * @package          tool_admin_presets
+ * @copyright        2021 Pimenko <support@pimenko.com><pimenko.com>
+ * @author           Jordan Kesraoui | Sylvain Revenu | Pimenko based on David Monllaó <david.monllao@urv.cat> code
+ * @license          http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class preset_deleted extends base {
+
+    public static function get_name(): string {
+        return get_string('eventpresetdeleted', 'tool_admin_presets');
+    }
+
+    public function get_description(): string {
+        return "User {$this->userid} has deleted the preset with id {$this->objectid}.";
+    }
+
+    protected function init(): void {
+        $this->data['crud'] = 'd';
+        $this->data['edulevel'] = self::LEVEL_OTHER;
+        $this->data['objecttable'] = 'adminpresets';
+    }
+}

admin/tool/admin_presets/classes/event/preset_downloaded.php

@@ -0,0 +1,49 @@
+<?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 tool_admin_presets\event;
+
+use core\event\base;
+
+/**
+ * Admin tool presets event class downloaded.
+ *
+ * @package          tool_admin_presets
+ * @copyright        2021 Pimenko <support@pimenko.com><pimenko.com>
+ * @author           Jordan Kesraoui | Sylvain Revenu | Pimenko based on David Monllaó <david.monllao@urv.cat> code
+ * @license          http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class preset_downloaded extends base {
+
+    public static function get_name(): string {
+        return get_string('eventpresetdownloaded', 'tool_admin_presets');
+    }
+
+    public function get_description(): string {
+        return "User {$this->userid} has downloaded the preset with id {$this->objectid}.";
+    }
+
+    public function get_url(): \moodle_url {
+        return new \moodle_url('/admin/tool/admin_presets/index.php',
+            ['action' => 'export', 'mode' => 'download_xml', 'id' => $this->objectid, 'sesskey' => sesskey()]);
+    }
+
+    protected function init(): void {
+        $this->data['crud'] = 'r';
+        $this->data['edulevel'] = self::LEVEL_OTHER;
+        $this->data['objecttable'] = 'adminpresets';
+    }
+}

admin/tool/admin_presets/classes/event/preset_exported.php

@@ -0,0 +1,49 @@
+<?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 tool_admin_presets\event;
+
+use core\event\base;
+
+/**
+ * Admin tool presets event class exported.
+ *
+ * @package          tool_admin_presets
+ * @copyright        2021 Pimenko <support@pimenko.com><pimenko.com>
+ * @author           Jordan Kesraoui | Sylvain Revenu | Pimenko based on David Monllaó <david.monllao@urv.cat> code
+ * @license          http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class preset_exported extends base {
+
+    public static function get_name(): string {
+        return get_string('eventpresetexported', 'tool_admin_presets');
+    }
+
+    public function get_description(): string {
+        return "User {$this->userid} has exported the preset with id {$this->objectid}.";
+    }
+
+    public function get_url(): \moodle_url {
+        return new \moodle_url('/admin/tool/admin_presets/index.php',
+            ['action' => 'load', 'mode' => 'preview', 'id' => $this->objectid]);
+    }
+
+    protected function init(): void {
+        $this->data['crud'] = 'c';
+        $this->data['edulevel'] = self::LEVEL_OTHER;
+        $this->data['objecttable'] = 'adminpresets';
+    }
+}

admin/tool/admin_presets/classes/event/preset_imported.php

@@ -0,0 +1,49 @@
+<?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 tool_admin_presets\event;
+
+use core\event\base;
+
+/**
+ * Admin tool presets event class imported.
+ *
+ * @package          tool_admin_presets
+ * @copyright        2021 Pimenko <support@pimenko.com><pimenko.com>
+ * @author           Jordan Kesraoui | Sylvain Revenu | Pimenko based on David Monllaó <david.monllao@urv.cat> code
+ * @license          http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class preset_imported extends base {
+
+    public static function get_name(): string {
+        return get_string('eventpresetimported', 'tool_admin_presets');
+    }
+
+    public function get_description(): string {
+        return "User {$this->userid} has imported the preset with id {$this->objectid}.";
+    }
+
+    public function get_url(): \moodle_url {
+        return new \moodle_url('/admin/tool/admin_presets/index.php',
+            ['action' => 'load', 'mode' => 'preview', 'id' => $this->objectid]);
+    }
+
+    protected function init(): void {
+        $this->data['crud'] = 'c';
+        $this->data['edulevel'] = self::LEVEL_OTHER;
+        $this->data['objecttable'] = 'adminpresets';
+    }
+}

admin/tool/admin_presets/classes/event/preset_loaded.php

@@ -0,0 +1,49 @@
+<?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 tool_admin_presets\event;
+
+use core\event\base;
+
+/**
+ * Admin tool presets event class loaded.
+ *
+ * @package          tool_admin_presets
+ * @copyright        2021 Pimenko <support@pimenko.com><pimenko.com>
+ * @author           Jordan Kesraoui | Sylvain Revenu | Pimenko based on David Monllaó <david.monllao@urv.cat> code
+ * @license          http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class preset_loaded extends base {
+
+    public static function get_name(): string {
+        return get_string('eventpresetloaded', 'tool_admin_presets');
+    }
+
+    public function get_description(): string {
+        return "User {$this->userid} has loaded the preset with id {$this->objectid}.";
+    }
+
+    public function get_url(): \moodle_url {
+        return new \moodle_url('/admin/tool/admin_presets/index.php',
+            ['action' => 'load', 'mode' => 'preview', 'id' => $this->objectid]);
+    }
+
+    protected function init(): void {
+        $this->data['crud'] = 'u';
+        $this->data['edulevel'] = self::LEVEL_OTHER;
+        $this->data['objecttable'] = 'adminpresets';
+    }
+}

admin/tool/admin_presets/classes/event/preset_previewed.php

@@ -0,0 +1,49 @@
+<?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 tool_admin_presets\event;
+
+use core\event\base;
+
+/**
+ * Admin tool presets event class previewed.
+ *
+ * @package          tool_admin_presets
+ * @copyright        2021 Pimenko <support@pimenko.com><pimenko.com>
+ * @author           Jordan Kesraoui | Sylvain Revenu | Pimenko based on David Monllaó <david.monllao@urv.cat> code
+ * @license          http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class preset_previewed extends base {
+
+    public static function get_name(): string {
+        return get_string('eventpresetpreviewed', 'tool_admin_presets');
+    }
+
+    public function get_description(): string {
+        return "User {$this->userid} has previewed the preset with id {$this->objectid}.";
+    }
+
+    public function get_url(): \moodle_url {
+        return new \moodle_url('/admin/tool/admin_presets/index.php',
+            ['action' => 'load', 'mode' => 'preview', 'id' => $this->objectid]);
+    }
+
+    protected function init(): void {
+        $this->data['crud'] = 'r';
+        $this->data['edulevel'] = self::LEVEL_OTHER;
+        $this->data['objecttable'] = 'adminpresets';
+    }
+}

admin/tool/admin_presets/classes/event/preset_reverted.php

@@ -0,0 +1,44 @@
+<?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 tool_admin_presets\event;
+
+use core\event\base;
+
+/**
+ * Admin tool presets event class reverted.
+ *
+ * @package          tool_admin_presets
+ * @copyright        2021 Pimenko <support@pimenko.com><pimenko.com>
+ * @author           Jordan Kesraoui | Sylvain Revenu | Pimenko based on David Monllaó <david.monllao@urv.cat> code
+ * @license          http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class preset_reverted extends base {
+
+    public static function get_name(): string {
+        return get_string('eventpresetreverted', 'tool_admin_presets');
+    }
+
+    public function get_description(): string {
+        return "User {$this->userid} has reverted the preset with id {$this->objectid}.";
+    }
+
+    protected function init(): void {
+        $this->data['crud'] = 'u';
+        $this->data['edulevel'] = self::LEVEL_OTHER;
+        $this->data['objecttable'] = 'adminpresets';
+    }
+}

admin/tool/admin_presets/classes/event/presets_listed.php

@@ -0,0 +1,48 @@
+<?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 tool_admin_presets\event;
+
+use core\event\base;
+
+/**
+ * Admin tool presets event class listed.
+ *
+ * @package          tool_admin_presets
+ * @copyright        2021 Pimenko <support@pimenko.com><pimenko.com>
+ * @author           Jordan Kesraoui | Sylvain Revenu | Pimenko based on David Monllaó <david.monllao@urv.cat> code
+ * @license          http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class presets_listed extends base {
+
+    public static function get_name(): string {
+        return get_string('eventpresetslisted', 'tool_admin_presets');
+    }
+
+    public function get_description(): string {
+        return "User {$this->userid} listed the system presets.";
+    }
+
+    public function get_url(): \moodle_url {
+        return new \moodle_url('/admin/tool/admin_presets/index.php');
+    }
+
+    protected function init(): void {
+        $this->data['crud'] = 'r';
+        $this->data['edulevel'] = self::LEVEL_OTHER;
+        $this->data['objecttable'] = 'adminpresets';
+    }
+}

admin/tool/admin_presets/classes/form/continue_form.php

@@ -0,0 +1,38 @@
+<?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 tool_admin_presets\form;
+
+defined('MOODLE_INTERNAL') || die();
+
+use moodleform;
+
+global $CFG;
+require_once($CFG->dirroot . '/lib/formslib.php');
+
+/**
+ * Form for loading continue button.
+ *
+ * @package    tool_admin_presets
+ * @copyright  2021 Amaia Anabitarte <amaia@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class continue_form extends moodleform {
+
+    public function definition(): void {
+        $this->add_action_buttons(false, get_string('continue'));
+    }
+}

admin/tool/admin_presets/classes/form/export_form.php

@@ -0,0 +1,61 @@
+<?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 tool_admin_presets\form;
+
+use moodleform;
+
+defined('MOODLE_INTERNAL') || die();
+
+global $CFG;
+require_once($CFG->dirroot . '/lib/formslib.php');
+
+/**
+ * Form for exporting settings.
+ *
+ * @package          tool_admin_presets
+ * @copyright        2021 Pimenko <support@pimenko.com><pimenko.com>
+ * @author           Jordan Kesraoui | Sylvain Revenu | Pimenko based on David Monllaó <david.monllao@urv.cat> code
+ * @license          http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class export_form extends moodleform {
+
+    public function definition(): void {
+        global $USER;
+
+        $mform = &$this->_form;
+
+        // Preset attributes.
+        $mform->addElement('text', 'name', get_string('name'), 'maxlength="254" size="60"');
+        $mform->addRule('name', null, 'required', null, 'client');
+        $mform->setType('name', PARAM_TEXT);
+
+        $mform->addElement('editor', 'comments', get_string('description'));
+        $mform->setType('comments', PARAM_CLEANHTML);
+
+        $mform->addElement('text', 'author',
+            get_string('author', 'tool_admin_presets'), 'maxlength="254" size="60"');
+        $mform->setType('author', PARAM_TEXT);
+        $mform->setDefault('author', $USER->firstname . ' ' . $USER->lastname);
+
+        $mform->addElement('checkbox', 'includesensiblesettings',
+            get_string('includesensiblesettings', 'tool_admin_presets'));
+        $mform->setDefault('includesensiblesettings', 0);
+        $mform->addHelpButton('includesensiblesettings', 'includesensiblesettings', 'tool_admin_presets');
+
+        $this->add_action_buttons(true, get_string('actionexportbutton', 'tool_admin_presets'));
+    }
+}

admin/tool/admin_presets/classes/form/import_form.php

@@ -0,0 +1,51 @@
+<?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 tool_admin_presets\form;
+
+defined('MOODLE_INTERNAL') || die();
+
+use moodleform;
+
+global $CFG;
+require_once($CFG->dirroot . '/lib/formslib.php');
+
+/**
+ * Form for importting settings.
+ *
+ * @package          tool_admin_presets
+ * @copyright        2021 Pimenko <support@pimenko.com><pimenko.com>
+ * @author           Jordan Kesraoui | Sylvain Revenu | Pimenko based on David Monllaó <david.monllao@urv.cat> code
+ * @license          http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class import_form extends moodleform {
+
+    public function definition(): void {
+        $mform = &$this->_form;
+
+        // Rename preset input.
+        $mform->addElement('text', 'name',
+            get_string('renamepreset', 'tool_admin_presets'), 'maxlength="254" size="40"');
+        $mform->setType('name', PARAM_TEXT);
+
+        // File upload.
+        $mform->addElement('filepicker', 'xmlfile', get_string('selectfile', 'tool_admin_presets'), null,
+            ['accepted_types' => ['.xml']]);
+        $mform->addRule('xmlfile', null, 'required');
+
+        $this->add_action_buttons(true, get_string('import', 'tool_admin_presets'));
+    }
+}

admin/tool/admin_presets/classes/form/load_form.php

@@ -0,0 +1,47 @@
+<?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 tool_admin_presets\form;
+
+defined('MOODLE_INTERNAL') || die();
+
+use moodleform;
+
+global $CFG;
+require_once($CFG->dirroot . '/lib/formslib.php');
+
+/**
+ * Form for loading settings.
+ *
+ * @package          tool_admin_presets
+ * @copyright        2021 Pimenko <support@pimenko.com><pimenko.com>
+ * @author           Jordan Kesraoui | Sylvain Revenu | Pimenko based on David Monllaó <david.monllao@urv.cat> code
+ * @license          http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class load_form extends moodleform {
+
+    public function definition(): void {
+        $mform = &$this->_form;
+
+        $mform->addElement('hidden', 'id');
+        $mform->setType('id', PARAM_INT);
+
+        $html = '<div class="alert alert-info">' . get_string('applypresetdescription', 'tool_admin_presets') . '</div>';
+        $mform->addElement('html', $html);
+
+        $this->add_action_buttons(true, get_string('loadselected', 'tool_admin_presets'));
+    }
+}

admin/tool/admin_presets/classes/local/action/base.php

@@ -0,0 +1,209 @@
+<?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 tool_admin_presets\local\action;
+
+use context_system;
+use moodle_url;
+use core_adminpresets\manager;
+use tool_admin_presets\output\presets_list;
+use tool_admin_presets\output\export_import;
+
+/**
+ * Admin tool presets main controller class.
+ *
+ * @package          tool_admin_presets
+ * @copyright        2021 Pimenko <support@pimenko.com><pimenko.com>
+ * @author           Jordan Kesraoui | Sylvain Revenu | Pimenko based on David Monllaó <david.monllao@urv.cat> code
+ * @license          http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class base {
+
+    /** @var array Array map for the events. **/
+    protected static $eventsactionsmap = [
+        'base' => 'presets_listed',
+        'delete' => 'preset_deleted',
+        'export' => 'preset_exported',
+        'import' => 'preset_imported',
+        'preview' => 'preset_previewed',
+        'load' => 'preset_loaded',
+        'rollback' => 'preset_reverted',
+        'download_xml' => 'preset_downloaded'
+    ];
+
+    /** @var string The main action (delete, export, import, load...). **/
+    protected $action;
+
+    /** @var string The mode (show, execute...). **/
+    protected $mode;
+
+    /** @var int Admin preset identifier. **/
+    protected $id;
+
+    /** @var int The output content to display in the page. **/
+    protected $outputs;
+
+    /** @var \moodleform The moodle form to display in the page. **/
+    protected $moodleform;
+
+    /** @var manager The manager helper class instance. **/
+    protected $manager;
+
+    /**
+     * Loads common class attributes.
+     */
+    public function __construct() {
+        $this->manager = new manager();
+        $this->action = optional_param('action', 'base', PARAM_ALPHA);
+        $this->mode = optional_param('mode', 'show', PARAM_ALPHAEXT);
+        $this->id = optional_param('id', false, PARAM_INT);
+    }
+
+    /**
+     * Method to list the presets available on the system
+     *
+     * It allows users to access the different preset
+     * actions (preview, load, download, delete and rollback)
+     */
+    public function show(): void {
+        global $DB, $OUTPUT;
+
+        $options = new export_import();
+        $this->outputs = $OUTPUT->render($options);
+
+        $presets = $DB->get_records('adminpresets');
+        $list = new presets_list($presets, true);
+        $this->outputs .= $OUTPUT->render($list);
+    }
+
+    /**
+     * Main display method
+     *
+     * Prints the block header and the common block outputs, the
+     * selected action outputs, his form and the footer
+     *
+     * $outputs value depends on $mode and $action selected
+     */
+    public function display(): void {
+        global $OUTPUT;
+
+        $this->display_header();
+
+        // Other outputs.
+        if (!empty($this->outputs)) {
+            echo $this->outputs;
+        }
+
+        // Form.
+        if ($this->moodleform) {
+            $this->moodleform->display();
+        }
+
+        // Footer.
+        echo $OUTPUT->footer();
+    }
+
+    /**
+     * Displays the header
+     */
+    protected function display_header(): void {
+        global $PAGE, $OUTPUT, $SITE;
+
+        // Strings.
+        $titlestr = get_string('pluginname', 'tool_admin_presets');
+
+        // Header.
+        $PAGE->set_title($titlestr);
+        $PAGE->set_heading($SITE->fullname);
+
+        $title = $this->get_title();
+        $text = $this->get_explanatory_description();
+
+        // Only add it to the navbar if it's different to the plugin name (to avoid duplicates in the navbar).
+        if ($title != get_string('pluginname', 'tool_admin_presets')) {
+            $PAGE->navbar->add($title);
+        }
+
+        if ($node = $PAGE->settingsnav->find('tool_admin_presets', \navigation_node::TYPE_SETTING)) {
+            $node->make_active();
+        }
+
+        echo $OUTPUT->header();
+        echo $OUTPUT->heading($title);
+        if ($text) {
+            echo $OUTPUT->box($text);
+        }
+    }
+
+    /**
+     * Get page title for this action.
+     *
+     * @return string The page title to display into the page.
+     */
+    protected function get_title(): string {
+        if ($this->action == 'base') {
+            return get_string('pluginname', 'tool_admin_presets');
+        }
+
+        return get_string($this->action . $this->mode, 'tool_admin_presets');
+    }
+
+    /**
+     * Get explanatory description to be displayed below the heading. It's optional and might change depending on the
+     * action and the mode.
+     *
+     * @return string|null The explanatory description for the current action and mode.
+     */
+    protected function get_explanatory_description(): ?string {
+        $text = null;
+        if ($this->action == 'base') {
+            $text = get_string('basedescription', 'tool_admin_presets');
+        }
+
+        return $text;
+    }
+
+    /**
+     * Trigger an event based on the current action.
+     *
+     * @return void
+     */
+    public function log(): void {
+        // The only read action we store is list presets and preview.
+        $islist = ($this->action == 'base' && $this->mode == 'show');
+        $ispreview = ($this->action == 'load' && $this->mode == 'show');
+        if ($this->mode != 'show' || $islist || $ispreview) {
+            $action = $this->action;
+            if ($ispreview) {
+                $action = 'preview';
+            }
+
+            if ($this->mode != 'execute' && $this->mode != 'show') {
+                $action = $this->mode;
+            }
+
+            if (array_key_exists($action, self::$eventsactionsmap)) {
+                $eventnamespace = '\\tool_admin_presets\\event\\' . self::$eventsactionsmap[$action];
+                $eventdata = [
+                    'context' => context_system::instance(),
+                    'objectid' => $this->id
+                ];
+                $event = $eventnamespace::create($eventdata);
+                $event->trigger();
+            }
+        }
+    }
+}

admin/tool/admin_presets/classes/local/action/delete.php

@@ -0,0 +1,78 @@
+<?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 tool_admin_presets\local\action;
+
+use core_adminpresets\manager;
+use moodle_exception;
+
+/**
+ * This class extends base class and handles delete function.
+ *
+ * @package          tool_admin_presets
+ * @copyright        2021 Pimenko <support@pimenko.com><pimenko.com>
+ * @author           Jordan Kesraoui | Sylvain Revenu | Pimenko based on David Monllaó <david.monllao@urv.cat> code
+ * @license          http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class delete extends base {
+
+    /**
+     * Shows a confirm box
+     */
+    public function show(): void {
+        global $DB, $OUTPUT;
+
+        // Check the preset exists (cannot delete the pre-installed core "Starter" and "Full" presets).
+        $presetdata = $DB->get_record('adminpresets', ['id' => $this->id, 'iscore' => manager::NONCORE_PRESET], 'name');
+
+        if ($presetdata) {
+            $deletetext = get_string('deletepreset', 'tool_admin_presets', $presetdata->name);
+
+            $params = ['action' => $this->action, 'mode' => 'execute', 'id' => $this->id, 'sesskey' => sesskey()];
+            $confirmurl = new \moodle_url('/admin/tool/admin_presets/index.php', $params);
+
+            $cancelurl = new \moodle_url('/admin/tool/admin_presets/index.php');
+
+            // If the preset was applied add a warning text.
+            if ($DB->get_records('adminpresets_app', ['adminpresetid' => $this->id])) {
+                $deletetext .= '<p><strong>' .
+                    get_string("deletepreviouslyapplied", "tool_admin_presets") . '</strong></p>';
+            }
+            $displayoptions = [
+                'confirmtitle' => get_string('deletepresettitle', 'tool_admin_presets', $presetdata->name),
+                'continuestr' => get_string('delete')
+            ];
+            $this->outputs = $OUTPUT->confirm($deletetext, $confirmurl, $cancelurl, $displayoptions);
+        } else {
+            throw new moodle_exception('errordeleting', 'core_adminpresets');
+        }
+    }
+
+    /**
+     * Delete the DB preset
+     */
+    public function execute(): void {
+        require_sesskey();
+
+        $this->manager->delete_preset($this->id);
+
+        // Trigger the as it is usually triggered after execute finishes.
+        $this->log();
+
+        $url = new \moodle_url('/admin/tool/admin_presets/index.php');
+        redirect($url);
+    }
+}

admin/tool/admin_presets/classes/local/action/export.php

@@ -0,0 +1,101 @@
+<?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 tool_admin_presets\local\action;
+
+defined('MOODLE_INTERNAL') || die();
+
+use tool_admin_presets\form\export_form;
+use moodle_exception;
+
+global $CFG;
+require_once($CFG->dirroot . '/lib/filelib.php');
+require_once($CFG->dirroot . '/backup/util/xml/xml_writer.class.php');
+require_once($CFG->dirroot . '/backup/util/xml/output/xml_output.class.php');
+require_once($CFG->dirroot . '/backup/util/xml/output/memory_xml_output.class.php');
+
+/**
+ * This class extends base class and handles export function.
+ *
+ * @package          tool_admin_presets
+ * @copyright        2021 Pimenko <support@pimenko.com><pimenko.com>
+ * @author           Jordan Kesraoui | Sylvain Revenu | Pimenko based on David Monllaó <david.monllao@urv.cat> code
+ * @license          http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class export extends base {
+
+    /**
+     * Shows the initial form to export/save admin settings.
+     *
+     * Loads the database configuration and prints
+     * the settings in a hierarchical table
+     */
+    public function show(): void {
+        $url = new \moodle_url('/admin/tool/admin_presets/index.php', ['action' => 'export', 'mode' => 'execute']);
+        $this->moodleform = new export_form($url);
+    }
+
+    /**
+     * Stores a preset into the DB.
+     */
+    public function execute(): void {
+        $url = new \moodle_url('/admin/tool/admin_presets/index.php', ['action' => 'export', 'mode' => 'execute']);
+        $this->moodleform = new export_form($url);
+
+        if ($data = $this->moodleform->get_data()) {
+            list($presetid, $settingsfound, $pluginsfound) = $this->manager->export_preset($data);
+
+            // Store it here for logging and other future id-oriented stuff.
+            $this->id = $presetid;
+
+            // If there are no settings nor plugins, an error should be raised.
+            if (!$settingsfound && !$pluginsfound) {
+                $url = new \moodle_url('/admin/tool/admin_presets/index.php', ['action' => 'export']);
+                redirect($url, get_string('novalidsettingsselected', 'tool_admin_presets'));
+            }
+        }
+
+        // Trigger the as it is usually triggered after execute finishes.
+        $this->log();
+
+        $url = new \moodle_url('/admin/tool/admin_presets/index.php');
+        redirect($url);
+    }
+
+    /**
+     * To download system presets.
+     *
+     * @return void preset file
+     * @throws dml_exception
+     * @throws moodle_exception
+     * @throws xml_output_exception
+     * @throws xml_writer_exception
+     */
+    public function download_xml(): void {
+        require_sesskey();
+
+        list($xmlstr, $filename) = $this->manager->download_preset($this->id);
+
+        // Trigger the as it is usually triggered after execute finishes.
+        $this->log();
+
+        send_file($xmlstr, $filename, 0, 0, true, true);
+    }
+
+    protected function get_explanatory_description(): ?string {
+        return get_string('exportdescription', 'tool_admin_presets');
+    }
+}

admin/tool/admin_presets/classes/local/action/import.php

@@ -0,0 +1,88 @@
+<?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 tool_admin_presets\local\action;
+
+use tool_admin_presets\form\import_form;
+
+/**
+ * This class extends base class and handles import function.
+ *
+ * @package          tool_admin_presets
+ * @copyright        2021 Pimenko <support@pimenko.com><pimenko.com>
+ * @author           Jordan Kesraoui | Sylvain Revenu | Pimenko based on David Monllaó <david.monllao@urv.cat> code
+ * @license          http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class import extends base {
+
+    /**
+     * Displays the import moodleform
+     */
+    public function show(): void {
+        $url = new \moodle_url('/admin/tool/admin_presets/index.php', ['action' => 'import', 'mode' => 'execute']);
+        $this->moodleform = new import_form($url);
+    }
+
+    /**
+     * Imports the xmlfile into DB
+     */
+    public function execute(): void {
+        $url = new \moodle_url('/admin/tool/admin_presets/index.php', ['action' => 'import', 'mode' => 'execute']);
+        $this->moodleform = new import_form($url);
+
+        if ($this->moodleform->is_cancelled()) {
+            $url = new \moodle_url('/admin/tool/admin_presets/index.php');
+            redirect($url);
+        }
+
+        if ($data = $this->moodleform->get_data()) {
+            // Getting the file.
+            $xmlcontent = $this->moodleform->get_file_content('xmlfile');
+            list($xml, $preset, $settingsfound, $pluginsfound) = $this->manager->import_preset($xmlcontent, $data->name);
+            if (!$xml) {
+                $url = new \moodle_url('/admin/tool/admin_presets/index.php', ['action' => 'import']);
+                redirect($url, get_string('wrongfile', 'tool_admin_presets'));
+            }
+
+            // Store it here for logging and other future id-oriented stuff.
+            if (!is_null($preset)) {
+                $this->id = $preset->id;
+            }
+
+            // If there are no valid or selected settings, raise an error.
+            if (!$settingsfound && !$pluginsfound) {
+                $url = new \moodle_url('/admin/tool/admin_presets/index.php', ['action' => 'import']);
+                redirect($url, get_string('novalidsettings', 'tool_admin_presets'));
+            }
+
+            // Trigger it after execute finishes.
+            $this->log();
+
+            $url = new \moodle_url('/admin/tool/admin_presets/index.php', ['action' => 'load', 'id' => $preset->id]);
+            redirect($url);
+        }
+    }
+
+    protected function get_explanatory_description(): ?string {
+        $text = null;
+        if ($this->mode == 'show') {
+            $text = get_string('importdescription', 'tool_admin_presets');
+        }
+
+        return $text;
+    }
+
+}

admin/tool/admin_presets/classes/local/action/load.php

@@ -0,0 +1,176 @@
+<?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 tool_admin_presets\local\action;
+
+use moodle_exception;
+use stdClass;
+use tool_admin_presets\form\continue_form;
+use tool_admin_presets\form\load_form;
+use tool_admin_presets\output\presets_list;
+
+/**
+ * This class extends base class and handles load function.
+ *
+ * @package          tool_admin_presets
+ * @copyright        2021 Pimenko <support@pimenko.com><pimenko.com>
+ * @author           Jordan Kesraoui | Sylvain Revenu | Pimenko based on David Monllaó <david.monllao@urv.cat> code
+ * @license          http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class load extends base {
+
+    /**
+     * Executes the settings load into the system
+     */
+    public function execute(): void {
+        global $OUTPUT;
+
+        $url = new \moodle_url('/admin/tool/admin_presets/index.php', ['action' => 'load', 'mode' => 'execute']);
+        $this->moodleform = new load_form($url);
+
+        if ($this->moodleform->is_cancelled()) {
+            redirect(new \moodle_url('/admin/tool/admin_presets/index.php?action=base'));
+        }
+
+        if ($this->moodleform->is_submitted() && $this->moodleform->is_validated() && ($this->moodleform->get_data())) {
+            // Apply preset settings and set plugins visibility.
+            [$applied, $skipped] = $this->manager->apply_preset($this->id);
+
+            if (empty($applied)) {
+                $message = [
+                    'message' => get_string('nothingloaded', 'tool_admin_presets'),
+                    'closebutton' => true,
+                    'announce' => true,
+                ];
+            } else {
+                $message = [
+                    'message' => get_string('settingsappliednotification', 'tool_admin_presets'),
+                    'closebutton' => true,
+                    'announce' => true,
+                ];
+            }
+            $application = new stdClass();
+            $applieddata = new stdClass();
+            $applieddata->show = !empty($applied);
+            $applieddata->message = $message;
+            $applieddata->heading = get_string('settingsapplied', 'tool_admin_presets');
+            $applieddata->caption = get_string('settingsapplied', 'tool_admin_presets');
+            $applieddata->settings = $applied;
+            $application->appliedchanges = $applieddata;
+
+            $skippeddata = new stdClass();
+            $skippeddata->show = !empty($skipped);
+            $skippeddata->heading = get_string('settingsnotapplied', 'tool_admin_presets');
+            $skippeddata->caption = get_string('settingsnotapplicable', 'tool_admin_presets');
+            $skippeddata->settings = $skipped;
+            $application->skippedchanges = $skippeddata;
+
+            $this->outputs = $OUTPUT->render_from_template('tool_admin_presets/settings_application', $application);
+            $url = new \moodle_url('/admin/tool/admin_presets/index.php');
+            $this->moodleform = new continue_form($url);
+        }
+    }
+
+    /**
+     * Displays the select preset settings to select what to import.
+     * Loads the preset data and displays a settings tree.
+     *
+     * It checks the Moodle version and it only allows users to import
+     * the preset available settings.
+     */
+    public function show(): void {
+        $this->display_preset(true);
+    }
+
+    /**
+     * Displays a preset information (name, description, settings different from the current configuration...).
+     */
+    public function preview(): void {
+        $this->display_preset(false, false);
+    }
+
+    /**
+     * Method to prepare the information to preview/load the preset.
+     *
+     * @param bool $displayform Whether the form should be displayed in the page or not.
+     * @param bool $raiseexception Whether the exception should be raised or not when the preset doesn't exist. When it's set
+     * to false, a message is displayed, instead of raising the exception.
+     */
+    protected function display_preset(bool $displayform = true, bool $raiseexception = true) {
+        global $DB, $OUTPUT;
+
+        $data = new stdClass();
+        $data->id = $this->id;
+
+        // Preset data.
+        if (!$preset = $DB->get_record('adminpresets', ['id' => $data->id])) {
+            if ($raiseexception) {
+                throw new moodle_exception('errornopreset', 'core_adminpresets');
+            } else {
+                $this->outputs = get_string('errornopreset', 'core_adminpresets');
+                return;
+            }
+        }
+
+        // Print preset basic data.
+        $list = new presets_list([$preset]);
+        $this->outputs = $OUTPUT->render($list);
+
+        // Simulate preset application to display settings and plugins that will change.
+        [$applied] = $this->manager->apply_preset($this->id, true);
+
+        // Order the applied array by the visiblename column.
+        if (!empty($applied)) {
+            $visiblenamecolumn = array_column($applied, 'visiblename');
+            array_multisort($visiblenamecolumn, SORT_ASC, $applied);
+        }
+
+        $application = new stdClass();
+        $applieddata = new stdClass();
+        $applieddata->show = !empty($applied);
+        $applieddata->heading = get_string('settingstobeapplied', 'tool_admin_presets');
+        $applieddata->caption = get_string('settingsapplied', 'tool_admin_presets');
+        $applieddata->settings = $applied;
+        $applieddata->beforeapplying = true;
+        $application->appliedchanges = $applieddata;
+        if ($displayform) {
+            if (empty($applied)) {
+                // Display a warning when no settings will be applied.
+                $applieddata->message = get_string('nosettingswillbeapplied', 'tool_admin_presets');
+
+                // Only display the Continue button.
+                $url = new \moodle_url('/admin/tool/admin_presets/index.php');
+                $this->moodleform = new continue_form($url);
+            } else {
+                // Display the form to apply the preset.
+                $url = new \moodle_url('/admin/tool/admin_presets/index.php', ['action' => 'load', 'mode' => 'execute']);
+                $this->moodleform = new load_form($url);
+                $this->moodleform->set_data($data);
+            }
+        }
+
+        $this->outputs .= $OUTPUT->render_from_template('tool_admin_presets/settings_application', $application);
+    }
+
+    protected function get_explanatory_description(): ?string {
+        $text = null;
+        if ($this->mode == 'show') {
+            $text = get_string('loaddescription', 'tool_admin_presets');
+        }
+
+        return $text;
+    }
+}

admin/tool/admin_presets/classes/local/action/rollback.php

@@ -0,0 +1,124 @@
+<?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 tool_admin_presets\local\action;
+
+use stdClass;
+use tool_admin_presets\form\continue_form;
+
+/**
+ * This class extends base class and handles rollback function.
+ *
+ * @package          tool_admin_presets
+ * @copyright        2021 Pimenko <support@pimenko.com><pimenko.com>
+ * @author           Jordan Kesraoui | Sylvain Revenu | Pimenko based on David Monllaó <david.monllao@urv.cat> code
+ * @license          http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class rollback extends base {
+
+    /**
+     * Displays the different previous applications of the preset
+     */
+    public function show(): void {
+        global $DB, $OUTPUT;
+
+        // Preset data.
+        $preset = $DB->get_record('adminpresets', ['id' => $this->id]);
+
+        // Applications data.
+        $context = new stdClass();
+        $applications = $DB->get_records('adminpresets_app', ['adminpresetid' => $this->id], 'time DESC');
+        $context->noapplications = !empty($applications);
+        $context->applications = [];
+        foreach ($applications as $application) {
+            $format = get_string('strftimedatetime', 'langconfig');
+            $user = $DB->get_record('user', ['id' => $application->userid]);
+            $rollbacklink = new \moodle_url(
+                '/admin/tool/admin_presets/index.php',
+                ['action' => 'rollback', 'mode' => 'execute', 'id' => $application->id, 'sesskey' => sesskey()]
+            );
+
+            $context->applications[] = [
+                'timeapplied' => \core_date::strftime($format, (int)$application->time),
+                'user' => fullname($user),
+                'action' => $rollbacklink->out(false),
+            ];
+        }
+
+        $this->outputs .= '<br/>' . $OUTPUT->heading(get_string('presetname', 'tool_admin_presets') . ': ' . $preset->name, 3);
+        $this->outputs = $OUTPUT->render_from_template('tool_admin_presets/preset_applications_list', $context);
+
+        $url = new \moodle_url('/admin/tool/admin_presets/index.php');
+        $this->moodleform = new continue_form($url);
+    }
+
+    /**
+     * Executes the application rollback
+     *
+     * Each setting value is checked against the config_log->value
+     */
+    public function execute(): void {
+        global $OUTPUT;
+
+        require_sesskey();
+
+        list($presetapp, $rollback, $failures) = $this->manager->revert_preset($this->id);
+
+        if (!is_null($presetapp)) {
+            // Change $this->id to point to the preset.
+            $this->id = $presetapp->adminpresetid;
+        }
+
+        $appliedchanges = new stdClass();
+        $appliedchanges->show = !empty($rollback);
+        $appliedchanges->caption = get_string('rollbackresults', 'tool_admin_presets');
+        $appliedchanges->settings = $rollback;
+
+        $skippedchanges = new stdClass();
+        $skippedchanges->show = !empty($failures);
+        $skippedchanges->caption = get_string('rollbackfailures', 'tool_admin_presets');
+        $skippedchanges->settings = $failures;
+
+        $data = new stdClass();
+        $data->appliedchanges = $appliedchanges;
+        $data->skippedchanges = $skippedchanges;
+        $data->beforeapplying = true;
+        $this->outputs = $OUTPUT->render_from_template('tool_admin_presets/settings_rollback', $data);
+
+        $url = new \moodle_url('/admin/tool/admin_presets/index.php');
+        $this->moodleform = new continue_form($url);
+    }
+
+    protected function get_title(): string {
+        global $DB;
+
+        $title = '';
+        if ($preset = $DB->get_record('adminpresets', ['id' => $this->id])) {
+            $title = get_string($this->action . $this->mode, 'tool_admin_presets', $preset->name);
+        }
+
+        return $title;
+    }
+
+    protected function get_explanatory_description(): ?string {
+        $text = null;
+        if ($this->mode == 'show') {
+            $text = get_string('rollbackdescription', 'tool_admin_presets');
+        }
+
+        return $text;
+    }
+}

admin/tool/admin_presets/classes/output/export_import.php

@@ -0,0 +1,54 @@
+<?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/>.
+
+/**
+ * tool_admin_presets export and import option renderer
+ *
+ * @package   tool_admin_presets
+ * @copyright  2021 Amaia Anabitarte <amaia@moodle.com>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+namespace tool_admin_presets\output;
+
+use renderable;
+use templatable;
+use renderer_base;
+use stdClass;
+/**
+ * Class containing data for export and import template
+ *
+ * @copyright  2021 Amaia Anabitarte <amaia@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class export_import implements renderable, templatable {
+    /**
+     * Export the data.
+     *
+     * @param renderer_base $output
+     * @return stdClass
+     */
+    public function export_for_template(renderer_base $output): stdClass {
+        $context = new stdClass();
+        $exportlink = new \moodle_url('/admin/tool/admin_presets/index.php', ['action' => 'export']);
+        $exportbutton = new \single_button($exportlink, get_string('actionexport', 'tool_admin_presets'), 'get');
+        $context->export = $exportbutton->export_for_template($output);
+
+        $importlink = new \moodle_url('/admin/tool/admin_presets/index.php', ['action' => 'import']);
+        $importbutton = new \single_button($importlink, get_string('actionimport', 'tool_admin_presets'), 'get');
+        $context->import = $importbutton->export_for_template($output);
+        return $context;
+    }
+}

admin/tool/admin_presets/classes/output/presets_list.php

@@ -0,0 +1,139 @@
+<?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/>.
+
+/**
+ * tool_admin_presets specific renderers
+ *
+ * @package   tool_admin_presets
+ * @copyright  2021 Amaia Anabitarte <amaia@moodle.com>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+namespace tool_admin_presets\output;
+
+use core_adminpresets\manager;
+use renderable;
+use templatable;
+use renderer_base;
+use stdClass;
+/**
+ * Class containing data for admin_presets tool
+ *
+ * @copyright  2021 Amaia Anabitarte <amaia@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class presets_list implements renderable, templatable {
+
+    /**
+     * @var stdClass[]    Array of admin presets.
+     */
+    private $presets;
+
+    /**
+     * @var bool    Wether the action menu is visible.
+     */
+    private $showactions;
+
+    /**
+     * Construct this renderable.
+     *
+     * @param stdClass[] $presets   Array of existing admin presets.
+     * @param bool $showactions Whether actions should be displayed or not.
+     */
+    public function __construct(array $presets, bool $showactions = false) {
+        $this->presets = $presets;
+        $this->showactions = $showactions;
+    }
+
+    /**
+     * Export the data.
+     *
+     * @param renderer_base $output
+     * @return stdClass
+     */
+    public function export_for_template(renderer_base $output): stdClass {
+        global $DB;
+
+        $context = new stdClass();
+        $context->presets = [];
+        foreach ($this->presets as $preset) {
+            if ($preset->timeimported) {
+                $timeimportedstring = userdate($preset->timeimported);
+            } else {
+                $timeimportedstring = '';
+            }
+
+            $data = [
+                'name' => format_text($preset->name, FORMAT_PLAIN),
+                'description' => format_text($preset->comments, FORMAT_HTML),
+                'release' => format_text($preset->moodlerelease, FORMAT_PLAIN),
+                'author' => format_text($preset->author, FORMAT_PLAIN),
+                'site' => format_text(clean_text($preset->site, PARAM_URL), FORMAT_PLAIN),
+                'timecreated' => userdate($preset->timecreated),
+                'timeimported' => $timeimportedstring
+            ];
+
+            if ($this->showactions) {
+                // Preset actions.
+                $actionsmenu = new \action_menu();
+                $actionsmenu->set_menu_trigger(get_string('actions'));
+                $actionsmenu->set_owner_selector('preset-actions-' . $preset->id);
+
+                $loadlink = new \moodle_url('/admin/tool/admin_presets/index.php', ['action' => 'load', 'id' => $preset->id]);
+                $actionsmenu->add(new \action_menu_link_secondary(
+                    $loadlink, new \pix_icon('t/play', ''),
+                    get_string('applyaction', 'tool_admin_presets')
+                ));
+                $downloadlink = new \moodle_url('/admin/tool/admin_presets/index.php',
+                    ['action' => 'export', 'mode' => 'download_xml', 'sesskey' => sesskey(), 'id' => $preset->id]
+                );
+                $actionsmenu->add(new \action_menu_link_secondary(
+                    $downloadlink,
+                    new \pix_icon('t/download', ''),
+                    get_string('download')
+                ));
+
+                // Delete button won't be displayed for the pre-installed core "Starter" and "Full" presets.
+                if ($preset->iscore == manager::NONCORE_PRESET) {
+                    $deletelink = new \moodle_url('/admin/tool/admin_presets/index.php',
+                    ['action' => 'delete', 'id' => $preset->id]
+                    );
+                    $actionsmenu->add(new \action_menu_link_secondary(
+                        $deletelink,
+                        new \pix_icon('i/delete', ''),
+                        get_string('delete')
+                    ));
+                }
+
+                // Look for preset applications.
+                if ($DB->get_records('adminpresets_app', ['adminpresetid' => $preset->id])) {
+                    $params = ['action' => 'rollback', 'id' => $preset->id];
+                    $rollbacklink = new \moodle_url('/admin/tool/admin_presets/index.php', $params);
+                    $actionsmenu->add(new \action_menu_link_secondary(
+                        $rollbacklink,
+                        new \pix_icon('i/reload', ''),
+                        get_string('showhistory', 'tool_admin_presets')
+                    ));
+                }
+                $data['actions'] = $actionsmenu->export_for_template($output);
+            }
+            $context->presets[] = $data;
+        }
+        $context->nopresets = empty($context->presets);
+        $context->showactions = $this->showactions;
+
+        return $context;
+    }
+}

admin/tool/admin_presets/classes/privacy/provider.php

@@ -0,0 +1,37 @@
+<?php
+// This file is part of The Course Module Navigation Block
+//
+// 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 tool_admin_presets\privacy;
+
+/**
+ * Admin tool presets this file handle privacy provider.
+ *
+ * @package          tool_admin_presets
+ * @copyright        2021 Pimenko <support@pimenko.com><pimenko.com>
+ * @author           Jordan Kesraoui | Sylvain Revenu | Pimenko based on David Monllaó <david.monllao@urv.cat> code
+ * @license          http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class provider implements \core_privacy\local\metadata\null_provider {
+    /**
+     * Get the language string identifier with the component's language
+     * file to explain why this plugin stores no data.
+     *
+     * @return  string
+     */
+    public static function get_reason(): string {
+        return 'privacy:metadata';
+    }
+}