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<?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/>.

/**
 * Output rendering for the plugin.
 *
 * @package     tool_task
 * @copyright   2014 Damyon Wiese
 * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

defined('MOODLE_INTERNAL') || die();

/**
 * Implements the plugin renderer
 *
 * @copyright 2014 Damyon Wiese
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
class tool_task_renderer extends plugin_renderer_base {
    /**
     * This function will render one beautiful table with all the scheduled tasks.
     *
     * @param \core\task\scheduled_task[] $tasks - list of all scheduled tasks.
     * @return string HTML to output.
     */
    public function scheduled_tasks_table($tasks) {
        global $CFG;

$showloglink = \core\task\logmanager::has_log_report();

$table = new html_table();
        $table->head = [
            get_string('name'),
            get_string('component', 'tool_task'),
            get_string('edit'),
            get_string('logs'),
            get_string('lastruntime', 'tool_task'),
            get_string('nextruntime', 'tool_task'),
            get_string('taskscheduleminute', 'tool_task'),
            get_string('taskschedulehour', 'tool_task'),
            get_string('taskscheduleday', 'tool_task'),
            get_string('taskscheduledayofweek', 'tool_task'),
            get_string('taskschedulemonth', 'tool_task'),
            get_string('faildelay', 'tool_task'),
            get_string('default', 'tool_task'),
        ];

$table->attributes['class'] = 'admintable generaltable';
        $table->colclasses = [];

if (!$showloglink) {
            // Hide the log links.
            $table->colclasses['3'] = 'hidden';
        }

$data = array();
        $yes = get_string('yes');
        $no = get_string('no');
        $never = get_string('never');
        $asap = get_string('asap', 'tool_task');
        $disabledstr = get_string('taskdisabled', 'tool_task');
        $plugindisabledstr = get_string('plugindisabled', 'tool_task');
        $runnabletasks = tool_task\run_from_cli::is_runnable();
        foreach ($tasks as $task) {
            $customised = $task->is_customised() ? $no : $yes;
            if (empty($CFG->preventscheduledtaskchanges)) {
                $configureurl = new moodle_url('/admin/tool/task/scheduledtasks.php', array('action'=>'edit', 'task' => get_class($task)));
                $editlink = $this->action_icon($configureurl, new pix_icon('t/edit', get_string('edittaskschedule', 'tool_task', $task->get_name())));
            } else {
                $editlink = $this->render(new pix_icon('t/locked', get_string('scheduledtaskchangesdisabled', 'tool_task')));
            }

$loglink = '';
            if ($showloglink) {
                $loglink = $this->action_icon(
                    \core\task\logmanager::get_url_for_task_class(get_class($task)),
                    new pix_icon('e/file-text', get_string('viewlogs', 'tool_task', $task->get_name())
                ));
            }

$namecell = new html_table_cell($task->get_name() . "\n" . html_writer::tag('span', '\\'.get_class($task),
                array('class' => 'task-class text-ltr')));
            $namecell->header = true;

$component = $task->get_component();
            $plugininfo = null;
            list($type, $plugin) = core_component::normalize_component($component);
            if ($type === 'core') {
                $componentcell = new html_table_cell(get_string('corecomponent', 'tool_task'));
            } else {
                if ($plugininfo = core_plugin_manager::instance()->get_plugin_info($component)) {
                    $plugininfo->init_display_name();
                    $componentcell = new html_table_cell($plugininfo->displayname);
                } else {
                    $componentcell = new html_table_cell($component);
                }
            }

$lastrun = $task->get_last_run_time() ? userdate($task->get_last_run_time()) : $never;
            $nextrun = $task->get_next_run_time();
            $disabled = false;
            if ($plugininfo && $plugininfo->is_enabled() === false && !$task->get_run_if_component_disabled()) {
                $disabled = true;
                $nextrun = $plugindisabledstr;
            } else if ($task->get_disabled()) {
                $disabled = true;
                $nextrun = $disabledstr;
            } else if ($nextrun > time()) {
                $nextrun = userdate($nextrun);
            } else {
                $nextrun = $asap;
            }

$runnow = '';
            if ( ! $disabled && get_config('tool_task', 'enablerunnow') && $runnabletasks ) {
                $runnow = html_writer::div(html_writer::link(
                        new moodle_url('/admin/tool/task/schedule_task.php',
                            array('task' => get_class($task))),
                        get_string('runnow', 'tool_task')), 'task-runnow');
            }

$clearfail = '';
            if ($task->get_fail_delay()) {
                $clearfail = html_writer::div(html_writer::link(
                        new moodle_url('/admin/tool/task/clear_fail_delay.php',
                                array('task' => get_class($task), 'sesskey' => sesskey())),
                        get_string('clear')), 'task-clearfaildelay');
            }

$row = new html_table_row(array(
                        $namecell,
                        $componentcell,
                        new html_table_cell($editlink),
                        new html_table_cell($loglink),
                        new html_table_cell($lastrun . $runnow),
                        new html_table_cell($nextrun),
                        new html_table_cell($task->get_minute()),
                        new html_table_cell($task->get_hour()),
                        new html_table_cell($task->get_day()),
                        new html_table_cell($task->get_day_of_week()),
                        new html_table_cell($task->get_month()),
                        new html_table_cell($task->get_fail_delay() . $clearfail),
                        new html_table_cell($customised)));

// Cron-style values must always be LTR.
            $row->cells[6]->attributes['class'] = 'text-ltr';
            $row->cells[7]->attributes['class'] = 'text-ltr';
            $row->cells[8]->attributes['class'] = 'text-ltr';
            $row->cells[9]->attributes['class'] = 'text-ltr';
            $row->cells[10]->attributes['class'] = 'text-ltr';

if ($disabled) {
                $row->attributes['class'] = 'disabled';
            }
            $data[] = $row;
        }
        $table->data = $data;
        return html_writer::table($table);
    }

/**
     * Renders a link back to the scheduled tasks page (used from the 'run now' screen).
     *
     * @return string HTML code
     */
    public function link_back() {
        return $this->render_from_template('tool_task/link_back',
                array('url' => new moodle_url('/admin/tool/task/scheduledtasks.php')));
    }
}