<?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();

use core\task\scheduled_task;


/**
 * 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.
>      * This function will render a table with the summary of all adhoc tasks.
     *
>      *
     * @param \core\task\scheduled_task[] $tasks - list of all scheduled tasks.
>      * @param array $summary
     * @param string $lastchanged (optional) the last task edited. Gets highlighted in teh table.
>      * @return string HTML to output.
     * @return string HTML to output.
>      */
     */
>     public function adhoc_tasks_summary_table(array $summary): string {
    public function scheduled_tasks_table($tasks, $lastchanged = '') {
>         $adhocurl = '/admin/tool/task/adhoctasks.php';
        global $CFG;
>         $adhocrunurl = '/admin/tool/task/run_adhoctasks.php';

> 
        $showloglink = \core\task\logmanager::has_log_report();
>         // Main tasks table.

>         $table = new html_table();
        $table = new html_table();
>         $table->caption = get_string('adhoctasks', 'tool_task');
        $table->caption = get_string('scheduledtasks', 'tool_task');
>         $table->head = [
        $table->head = [
>             get_string('component', 'tool_task') . ' / ' . get_string('classname', 'tool_task'),
            get_string('name'),
>             get_string('adhoctasksrunning', 'tool_task'),
            get_string('component', 'tool_task'),
>             get_string('adhoctasksdue', 'tool_task'),
            get_string('edit'),
>             get_string('adhoctasksfuture', 'tool_task'),
            get_string('logs'),
>             get_string('adhoctasksfailed', 'tool_task'),
            get_string('lastruntime', 'tool_task'),
>             get_string('nextruntime', 'tool_task'),
            get_string('nextruntime', 'tool_task'),
>         ];
            get_string('taskscheduleminute', 'tool_task'),
> 
            get_string('taskschedulehour', 'tool_task'),
>         $table->attributes['class'] = 'admintable generaltable';
            get_string('taskscheduleday', 'tool_task'),
>         $table->colclasses = [];
            get_string('taskscheduledayofweek', 'tool_task'),
> 
            get_string('taskschedulemonth', 'tool_task'),
>         // For each task entry (row) show action buttons/logs link depending on the user permissions.
            get_string('faildelay', 'tool_task'),
>         $data = [];
            get_string('default', 'tool_task'),
>         $canruntasks = \core\task\manager::is_runnable() && get_config('tool_task', 'enablerunnow');
        ];
>         foreach ($summary as $component => $classes) {

>             // Component cell.
        $table->attributes['class'] = 'admintable generaltable';
>             $componentcell = new html_table_cell($component);
        $table->colclasses = [];
>             $componentcell->header = true;

>             $componentcell->id = "tasks-$component";
        if (!$showloglink) {
>             $componentcell->colspan = 6;
            // Hide the log links.
> 
            $table->colclasses['3'] = 'hidden';
>             $data[] = new html_table_row([$componentcell]);
        }
> 

>             foreach ($classes as $classname => $stats) {
        $data = [];
>                 // Task class cell.
        $yes = get_string('yes');
>                 $classbits = explode('\\',  $classname);
        $no = get_string('no');
>                 $classcontent = html_writer::link(
        $canruntasks = \core\task\manager::is_runnable();
>                     new moodle_url($adhocurl, ['classname' => $classname]),
        foreach ($tasks as $task) {
>                     end($classbits)
            $classname = get_class($task);
>                 );
            $defaulttask = \core\task\manager::get_default_scheduled_task($classname, false);
>                 $classcell = new html_table_cell($classcontent);

>                 $classcell->header = true;
            $customised = $task->is_customised() ? $no : $yes;
>                 $classcell->attributes['class'] = "task-class-summary text-ltr";
            if (empty($CFG->preventscheduledtaskchanges)) {
> 
                $configureurl = new moodle_url('/admin/tool/task/scheduledtasks.php',
>                 $duecontent = $stats['due'];
                        ['action' => 'edit', 'task' => $classname]);
>                 if ($canruntasks && ($stats['due'] > 0 || $stats['failed'] > 0)) {
                $editlink = $this->output->action_icon($configureurl, new pix_icon('t/edit',
>                     $duecontent .= html_writer::div(
                        get_string('edittaskschedule', 'tool_task', $task->get_name())));
>                         html_writer::link(
            } else {
>                             new moodle_url(
                $editlink = $this->render(new pix_icon('t/locked',
>                                 $adhocrunurl,
                        get_string('scheduledtaskchangesdisabled', 'tool_task')));
>                                 ['classname' => $classname]
            }
>                             ),

>                             get_string('runclassname', 'tool_task')
            $loglink = '';
>                         ),
            if ($showloglink) {
>                         'task-runnow'
                $loglink = $this->output->action_icon(
>                     );
                    \core\task\logmanager::get_url_for_task_class($classname),
>                 }
                    new pix_icon('e/file-text', get_string('viewlogs', 'tool_task', $task->get_name())
> 
                ));
>                 // Mark cell if has failed tasks.
            }
>                 $failed = $stats['failed'];

>                 if ($canruntasks && $failed > 0) {
            $namecell = new html_table_cell($task->get_name() . "\n" .
>                     $failed .= html_writer::div(
                    html_writer::span('\\' . $classname, 'task-class text-ltr'));
>                         html_writer::link(
            $namecell->header = true;
>                             new moodle_url(

>                                 $adhocrunurl,
            $plugininfo = core_plugin_manager::instance()->get_plugin_info($task->get_component());
>                                 ['classname' => $classname, 'failedonly' => 1]
            $plugindisabled = $plugininfo && $plugininfo->is_enabled() === false &&
>                             ),
                    !$task->get_run_if_component_disabled();
>                             get_string('runclassnamefailedonly', 'tool_task')
            $disabled = $plugindisabled || $task->get_disabled();
>                         ),

>                         'task-runnow'
            $runnow = '';
>                     );
            if (!$disabled && get_config('tool_task', 'enablerunnow') && $canruntasks ) {
>                 }
                $runnow = html_writer::div(html_writer::link(
>                 $failedcell = new html_table_cell($failed);
                        new moodle_url('/admin/tool/task/schedule_task.php',
>                 if ($failed > 0) {
                            ['task' => $classname]),
>                     $failedcell->attributes['class'] = 'table-danger';
                        get_string('runnow', 'tool_task')), 'task-runnow');
>                 }
            }
> 

>                 // Prepares the next run time cell contents.
            $faildelaycell = new html_table_cell($task->get_fail_delay());
>                 $nextrun = '';
            if ($task->get_fail_delay()) {
>                 if ($stats['due'] > 0) {
                $faildelaycell->text .= html_writer::div(html_writer::link(
>                     $nextrun = get_string('asap', 'tool_task');
                        new moodle_url('/admin/tool/task/clear_fail_delay.php',
>                 } else if ($stats['nextruntime']) {
                                ['task' => $classname, 'sesskey' => sesskey()]),
>                     $nextrun = userdate($stats['nextruntime']);
                        get_string('clear')), 'task-clearfaildelay');
>                 }
                $faildelaycell->attributes['class'] = 'table-danger';
> 
            }
>                 $data[] = new html_table_row([

>                     $classcell,
            $row = new html_table_row([
>                     new html_table_cell($stats['running']),
                        $namecell,
>                     new html_table_cell($duecontent),
                        new html_table_cell($this->component_name($task->get_component())),
>                     new html_table_cell($stats['count'] - $stats['running'] - $stats['due']),
                        new html_table_cell($editlink),
>                     $failedcell,
                        new html_table_cell($loglink),
>                     new html_table_cell($nextrun),
                        new html_table_cell($this->last_run_time($task) . $runnow),
>                 ]);
                        new html_table_cell($this->next_run_time($task)),
>             }
                        $this->time_cell($task->get_minute(), $defaulttask->get_minute()),
>         }
                        $this->time_cell($task->get_hour(), $defaulttask->get_hour()),
>         $table->data = $data;
                        $this->time_cell($task->get_day(), $defaulttask->get_day()),
>         return html_writer::table($table);
                        $this->time_cell($task->get_day_of_week(), $defaulttask->get_day_of_week()),
>     }
                        $this->time_cell($task->get_month(), $defaulttask->get_month()),
> 
                        $faildelaycell,
>     /**
                        new html_table_cell($customised)]);
>      * This function will render a table with all the adhoc tasks for the class.

>      *
            $classes = [];
>      * @param string $classname
            if ($disabled) {
>      * @param array $tasks - list of all adhoc tasks.
                $classes[] = 'disabled';
>      * @param array|null $params
            }
>      * @return string HTML to output.
            if (get_class($task) == $lastchanged) {
>      */
                $classes[] = 'table-primary';
>     public function adhoc_tasks_class_table(string $classname, array $tasks, ?array $params = []): string {
            }
>         $adhocurl = '/admin/tool/task/adhoctasks.php';
            $row->attributes['class'] = implode(' ', $classes);
>         $adhocrunurl = '/admin/tool/task/run_adhoctasks.php';
            $data[] = $row;
>         $showloglink = \core\task\logmanager::has_log_report();
        }
>         $failedonly = !empty($params['failedonly']);
        $table->data = $data;
>         $canruntasks = \core\task\manager::is_runnable() && get_config('tool_task', 'enablerunnow');
        if ($lastchanged) {
> 
            // IE does not support this, and the ancient version of Firefox we use for Behat
>         // Depending on the currently set parameters, set up toggle buttons.
            // has the method, but then errors on 'centre'. So, just try to scroll, and if it fails, don't care.
>         $failedorall = html_writer::link(
            $this->page->requires->js_init_code(
>             new moodle_url(
                    'try{document.querySelector("tr.table-primary").scrollIntoView({block: "center"});}catch(e){}');
>                 $adhocurl,
        }
>                 array_merge($params, ['classname' => $classname, 'failedonly' => !$failedonly])
        return html_writer::table($table);
>             ),
    }
>             get_string($failedonly ? 'showall' : 'showfailedonly', 'tool_task')

>         );
    /**
> 
     * Nicely display the name of a component, with its disabled status and internal name.
>         // Main tasks table.
     *
>         $table = $this->generate_adhoc_tasks_simple_table($tasks, $canruntasks);
     * @param string $component component name, e.g. 'core' or 'mod_forum'.
> 
     * @return string HTML.
>         $table->caption = s($classname) . " "
     */
>             . get_string($failedonly ? 'adhoctasksfailed' : 'adhoctasks', 'tool_task');
    public function component_name(string $component): string {
>         $table->head[3] .= " $failedorall"; // Spice up faildelay heading.
        list($type) = core_component::normalize_component($component);
> 
        if ($type === 'core') {
>         if ($showloglink) {
            return get_string('corecomponent', 'tool_task');
>             // Insert logs as the second col.
        }
>             array_splice($table->head, 1, 0, [get_string('logs')]);

>             array_walk($table->data, function ($row, $idx) use ($classname) {
        $plugininfo = core_plugin_manager::instance()->get_plugin_info($component);
>                 $loglink = '';
        if (!$plugininfo) {
>                 $faildelaycell = $row->cells[3];
            return $component;
>                 if ($faildelaycell->attributes['class'] == 'table-danger') {
        }
>                     // Failed task.

>                     $loglink = $this->output->action_icon(
        $plugininfo->init_display_name();
>                         \core\task\logmanager::get_url_for_task_class($classname),

>                         new pix_icon('e/file-text', get_string('viewlogs', 'tool_task', $classname)
        $componentname = $plugininfo->displayname;
>                     ));
        if ($plugininfo->is_enabled() === false) {
>                 }
            $componentname .= ' ' . html_writer::span(
> 
                            get_string('disabled', 'tool_task'), 'badge badge-secondary');
>                 array_splice($row->cells, 1, 0, [new html_table_cell($loglink)]);
        }
>             });
        $componentname .= "\n" . html_writer::span($plugininfo->component, 'task-class text-ltr');
>         }

> 
        return $componentname;
>         return html_writer::table($table)
    }
>             . html_writer::div(

>                 html_writer::link(
    /**
>                     new moodle_url(
     * Standard display of a tasks last run time.
>                         $adhocrunurl,
     *
>                         array_merge($params, ['classname' => $classname])
     * @param scheduled_task $task
>                     ),
     * @return string HTML.
>                     get_string('runclassname', 'tool_task')
     */
>                 ),
    public function last_run_time(scheduled_task $task): string {
>                 'task-runnow'
        if ($task->get_last_run_time()) {
>             )
            return userdate($task->get_last_run_time());
>             . html_writer::div(
        } else {
>                 html_writer::link(
            return get_string('never');
>                     new moodle_url(
        }
>                         $adhocurl
    }
>                     ),

>                     get_string('showsummary', 'tool_task')
    /**
>                 ),
     * Standard display of a tasks next run time.
>                 'task-show-summary'
     *
>             );
     * @param scheduled_task $task
>     }
     * @return string HTML.
> 
     */
>     /**
    public function next_run_time(scheduled_task $task): string {
>      * This function will render a plain adhoc tasks table.
        $plugininfo = core_plugin_manager::instance()->get_plugin_info($task->get_component());
>      *

>      * @param array $tasks - list of adhoc tasks.
        $nextrun = $task->get_next_run_time();
>      * @return string HTML to output.
        if ($plugininfo && $plugininfo->is_enabled() === false && !$task->get_run_if_component_disabled()) {
>      */
            $nextrun = get_string('plugindisabled', 'tool_task');
>     public function adhoc_tasks_simple_table(array $tasks): string {
        } else if ($task->get_disabled()) {
>         $table = $this->generate_adhoc_tasks_simple_table($tasks);
            $nextrun = get_string('taskdisabled', 'tool_task');
> 
        } else if ($nextrun > time()) {
>         return html_writer::table($table);
            $nextrun = userdate($nextrun);
>     }
        } else {
> 
            $nextrun = get_string('asap', 'tool_task');
>     /**
        }
>      * This function will render a plain adhoc tasks table.

>      *
        return $nextrun;
>      * @param array $tasks - list of adhoc tasks.
    }
>      * @param bool $wantruntasks add 'Run now' link

>      * @return html_table
    /**
>      */
     * Get a table cell to show one time, comparing it to the default.
>     private function generate_adhoc_tasks_simple_table(array $tasks, bool $wantruntasks = false): html_table {
     *
>         $adhocrunurl = '/admin/tool/task/run_adhoctasks.php';
     * @param string $current the current setting.
>         $now = time();
     * @param string $default the default setting from the db/tasks.php file.
>         $failedstr = get_string('failed', 'tool_task');
     * @return html_table_cell for use in the table.
> 
     */
>         // Main tasks table.
    protected function time_cell(string $current, string $default): html_table_cell {
>         $table = new html_table();
        $cell = new html_table_cell($current);
>         $table->caption = get_string('adhoctasks', 'tool_task');
        // Cron-style values must always be LTR.
>         $table->head = [
        $cell->attributes['class'] = 'text-ltr';
>             get_string('taskid', 'tool_task'),

>             get_string('nextruntime', 'tool_task'),
        // If the current value is default, that is all we want to do.
>             get_string('payload', 'tool_task'),
        if ($default === '*') {
>             $failedstr
            if ($current === '*') {
>         ];
                return $cell;
> 
            }
>         $table->attributes['class'] = 'generaltable';
        } else if ($default === 'R' ) {
>         $table->colclasses = [];
            if (is_numeric($current)) {
> 
                return $cell;
>         // For each task entry (row) show action buttons/logs link depending on the user permissions.
            }
>         $data = [];
        } else {
>         foreach ($tasks as $task) {
            if ($default === $current) {
>             $taskid = $task->get_id();
                return $cell;
>             $started = $task->get_timestarted();
            }
> 
        }
>             // Task id cell.

>             $taskidcellcontent = html_writer::span($taskid, 'task-id');
        // Otherwise, highlight and show the default.
>             $taskidcell = new html_table_cell($taskidcellcontent);
        $cell->attributes['class'] .= ' table-warning';
>             $taskidcell->header = true;
        $cell->text .= ' ' . html_writer::span(
>             $taskidcell->id = "task-$taskid";
                get_string('defaultx', 'tool_task', $default), 'task-class');
> 
        return $cell;
>             // Mark cell if task has failed.
    }
>             $faildelay = $task->get_fail_delay();

>             $faildelaycell = new html_table_cell($faildelay ? $failedstr : '');
    /**
>             if ($faildelay) {
     * Renders a link back to the scheduled tasks page (used from the 'run now' screen).
>                 $faildelaycell->attributes['class'] = 'table-danger';
     *
>             }
     * @param string $taskclassname if specified, the list of tasks will scroll to show this task.
> 
     * @return string HTML code
>             // Prepares the next run time cell contents.
     */
>             $nextrun = get_string('started', 'tool_task');
    public function link_back($taskclassname = '') {
>             if (!$started) {
        $url = new moodle_url('/admin/tool/task/scheduledtasks.php');
>                 $nextruntime = $task->get_next_run_time();
        if ($taskclassname) {
>                 $due = $nextruntime < $now;
            $url->param('lastchanged', $taskclassname);
>                 $nextrun = $due ? userdate($nextruntime) : get_string('asap', 'tool_task');
        }
> 
        return $this->render_from_template('tool_task/link_back', ['url' => $url]);
>                 if ($wantruntasks && ($faildelay || $due)) {
    }
>                     $nextrun .= ' '.html_writer::div(
}
>                         html_writer::link(
>                             new moodle_url(
>                                 $adhocrunurl,
>                                 ['id' => $taskid]
>                             ),
>                             get_string('runnow', 'tool_task')
>                         ),
>                         'task-runnow'
>                     );
>                 }
>             }
> 
>             $data[] = new html_table_row([
>                 $taskidcell,
>                 new html_table_cell($nextrun),
>                 new html_table_cell($task->get_custom_data_as_string()),
>                 $faildelaycell,
>             ]);
>         }
>         $table->data = $data;
> 
>         return $table;
>     }
> 
>     /**
>      * Displays a notification on ad hoc task run request.
>      *
>      * @return string HTML notification block for task initiated message
>      */
>     public function adhoc_task_run(): string {
>         return $this->output->notification(get_string('adhoctaskrun', 'tool_task'), 'info');
>     }
> 



<         $canruntasks = \core\task\manager::is_runnable();



>         $canruntasks = \core\task\manager::is_runnable() && get_config('tool_task', 'enablerunnow');



<             if (empty($CFG->preventscheduledtaskchanges)) {



>             if (empty($CFG->preventscheduledtaskchanges) && !$task->is_overridden()) {



<             $namecell = new html_table_cell($task->get_name() . "\n" .
<                     html_writer::span('\\' . $classname, 'task-class text-ltr'));



>             $namecellcontent = $task->get_name() . "\n" .
>                 html_writer::span('\\' . $classname, 'task-class text-ltr');
>             if ($task->is_overridden()) {
>                 // Let the user know the scheduled task is defined in config.
>                 $namecellcontent .= "\n" . html_writer::div(get_string('configoverride', 'admin'), 'alert-info');
>             }
>             $namecell = new html_table_cell($namecellcontent);



< 
<             $plugininfo = core_plugin_manager::instance()->get_plugin_info($task->get_component());
<             $plugindisabled = $plugininfo && $plugininfo->is_enabled() === false &&
<                     !$task->get_run_if_component_disabled();
<             $disabled = $plugindisabled || $task->get_disabled();



>             $namecell->id = scheduled_task::get_html_id($classname);



<             if (!$disabled && get_config('tool_task', 'enablerunnow') && $canruntasks ) {



>             $canrunthistask = $canruntasks && $task->can_run();
>             if ($canrunthistask) {



<                 $faildelaycell->text .= html_writer::div(html_writer::link(



>                 $faildelaycell->text .= html_writer::div(
>                     $this->output->single_button(



<                                 ['task' => $classname, 'sesskey' => sesskey()]),
<                         get_string('clear')), 'task-clearfaildelay');



>                                 ['task' => $classname]),
>                         get_string('clear')
>                     ),
>                     'task-runnow'
>                 );



<             if ($disabled) {



>             if (!$task->is_enabled()) {



<         $plugininfo = core_plugin_manager::instance()->get_plugin_info($task->get_component());
< 



<         if ($plugininfo && $plugininfo->is_enabled() === false && !$task->get_run_if_component_disabled()) {



> 
>         if (!$task->is_component_enabled() && !$task->get_run_if_component_disabled()) {



>     }
> 
>     /**
>      * Displays a warning on the page if cron is disabled.
>      *
>      * @return string HTML code for information about cron being disabled
>      * @throws moodle_exception
>      */
>     public function cron_disabled(): string {
>         return $this->output->notification(get_string('crondisabled', 'tool_task'), 'warning');