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           efrain | 
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           <?php
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           // This file is part of Moodle - http://moodle.org/
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           //
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           // Moodle is free software: you can redistribute it and/or modify
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           // it under the terms of the GNU General Public License as published by
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           // the Free Software Foundation, either version 3 of the License, or
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           // (at your option) any later version.
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           //
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           // Moodle is distributed in the hope that it will be useful,
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           // but WITHOUT ANY WARRANTY; without even the implied warranty of
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           // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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           // GNU General Public License for more details.
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           //
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           // You should have received a copy of the GNU General Public License
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           // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
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           /**
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            * Default list of bulk actions to reuse across different targets as presets.
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            *
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            * @package   core_analytics
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            * @copyright 2019 David Monllao {@link http://www.davidmonllao.com}
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            * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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            */
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           namespace core_analytics;
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           defined('MOODLE_INTERNAL') || die();
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           /**
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            * Default list of bulk actions to reuse across different targets as presets.
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            *
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            * @package   core_analytics
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            * @copyright 2019 David Monllao {@link http://www.davidmonllao.com}
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            * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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            */
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           class default_bulk_actions {
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               /**
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                * Accepted prediction.
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                *
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                * @return \core_analytics\bulk_action
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                */
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               public static function accept() {
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                   $attrs = [
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                       'data-bulk-actionname' => prediction::ACTION_FIXED
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                   ] + self::bulk_action_base_attrs();
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                   return new bulk_action(prediction::ACTION_FIXED,
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                       new \moodle_url(''), new \pix_icon('t/check', get_string('fixedack', 'analytics')),
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                       get_string('fixedack', 'analytics'), false, $attrs, action::TYPE_POSITIVE);
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               }
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               /**
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                * The prediction is not applicable for this same (e.g. This student was unenrolled in the uni SIS).
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                *
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                * @return \core_analytics\bulk_action
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                */
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               public static function not_applicable() {
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                   $attrs = [
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                       'data-bulk-actionname' => prediction::ACTION_NOT_APPLICABLE
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                   ] + self::bulk_action_base_attrs();
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                   return new bulk_action(prediction::ACTION_NOT_APPLICABLE,
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                       new \moodle_url(''), new \pix_icon('fp/cross', get_string('notapplicable', 'analytics'), 'theme'),
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                       get_string('notapplicable', 'analytics'), false, $attrs, action::TYPE_NEUTRAL);
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               }
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               /**
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                * Incorrectly flagged prediction, useful for models based on data.
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                *
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                * @return \core_analytics\bulk_action
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                */
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               public static function incorrectly_flagged() {
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                   $attrs = [
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                       'data-bulk-actionname' => prediction::ACTION_INCORRECTLY_FLAGGED
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                   ] + self::bulk_action_base_attrs();
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                   return new bulk_action(prediction::ACTION_INCORRECTLY_FLAGGED,
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                       new \moodle_url(''), new \pix_icon('i/incorrect', get_string('incorrectlyflagged', 'analytics')),
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                       get_string('incorrectlyflagged', 'analytics'), false, $attrs, action::TYPE_NEGATIVE);
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               }
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               /**
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                * Useful prediction.
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                *
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                * @return \core_analytics\bulk_action
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                */
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               public static function useful() {
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                   $attrs = [
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                       'data-bulk-actionname' => prediction::ACTION_USEFUL
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                   ] + self::bulk_action_base_attrs();
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                   return new bulk_action(prediction::ACTION_USEFUL,
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                       new \moodle_url(''), new \pix_icon('t/check', get_string('useful', 'analytics')),
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                       get_string('useful', 'analytics'), false, $attrs, action::TYPE_POSITIVE);
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               }
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               /**
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                * Not useful prediction.
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                *
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                * @return \core_analytics\bulk_action
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                */
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               public static function not_useful() {
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                   $attrs = [
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                       'data-bulk-actionname' => prediction::ACTION_NOT_USEFUL
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                   ] + self::bulk_action_base_attrs();
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                   return new bulk_action(prediction::ACTION_NOT_USEFUL,
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                       new \moodle_url(''), new \pix_icon('t/delete', get_string('notuseful', 'analytics')),
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                       get_string('notuseful', 'analytics'), false, $attrs, action::TYPE_NEGATIVE);
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               }
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               /**
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                * Common attributes for all the action renderables.
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                *
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                * @return array
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                */
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               private static function bulk_action_base_attrs() {
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                   return [
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                       'disabled' => 'disabled',
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                       'data-toggle' => 'action',
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                       'data-action' => 'toggle',
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                   ];
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               }
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           }
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