batch.php

<?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/>.

/**
 * View batch details.
 *
 * @package    local_bbcomailing
 * @copyright  2026 David Herney @ BambuCo
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

use core\output\html_writer;
use core_table\output\html_table;
use core\url as moodle_url;
use core\context\system as context_system;

require_once('../../config.php');

require_login();
$context = context_system::instance();
require_capability('local/bbcomailing:manage', $context);

$batchcode = required_param('batchcode', PARAM_ALPHANUMEXT);

$PAGE->set_context($context);
$PAGE->set_url(new moodle_url('/local/bbcomailing/batch.php', ['batchcode' => $batchcode]));
$PAGE->set_title(get_string('batchdetails', 'local_bbcomailing'));
$PAGE->set_heading(get_string('batchdetails', 'local_bbcomailing'));
$PAGE->set_pagelayout('admin');

// Handle cancellation.
$cancel = optional_param('cancel', 0, PARAM_INT);
if ($cancel && confirm_sesskey()) {
    \local_bbcomailing\manager::cancel_batch($batchcode);

    \local_bbcomailing\event\batch_cancelled::create([
        'context' => $context,
        'other' => ['batchcode' => $batchcode],
    ])->trigger();

    redirect($PAGE->url, get_string('batchcancelled', 'local_bbcomailing'));
}

echo $OUTPUT->header();

// Navigation tabs.
echo \local_bbcomailing\manager::render_tabs('manage');

$sends = \local_bbcomailing\manager::get_batch_sends($batchcode);

if (empty($sends)) {
    echo html_writer::tag('p', get_string('nodata', 'local_bbcomailing'));
} else {
    // Check if any pending to show cancel button.
    $haspending = false;
    foreach ($sends as $send) {
        if ($send->status == \local_bbcomailing\manager::STATUS_PENDING) {
            $haspending = true;
            break;
        }
    }

    if ($haspending) {
        $cancelurl = new moodle_url(
            '/local/bbcomailing/batch.php',
            ['batchcode' => $batchcode, 'cancel' => 1, 'sesskey' => sesskey()]
        );
        echo html_writer::div(
            $OUTPUT->single_button($cancelurl, get_string('cancelbatch', 'local_bbcomailing')),
            'mb-3'
        );
    }

    $statusstrings = [
        \local_bbcomailing\manager::STATUS_PENDING => get_string('status_pending', 'local_bbcomailing'),
        \local_bbcomailing\manager::STATUS_SENT => get_string('status_sent', 'local_bbcomailing'),
        \local_bbcomailing\manager::STATUS_FAILED => get_string('status_failed', 'local_bbcomailing'),
        \local_bbcomailing\manager::STATUS_CANCELLED => get_string('status_cancelled', 'local_bbcomailing'),
        \local_bbcomailing\manager::STATUS_UNSUBSCRIBED => get_string('status_unsubscribed', 'local_bbcomailing'),
        \local_bbcomailing\manager::STATUS_SUPPRESSED => get_string('status_suppressed', 'local_bbcomailing'),
    ];

    $table = new html_table();
    $table->head = [
        get_string('email', 'local_bbcomailing'),
        get_string('fields', 'local_bbcomailing'),
        get_string('status', 'local_bbcomailing'),
        get_string('sendtime', 'local_bbcomailing'),
        get_string('viewtime', 'local_bbcomailing'),
    ];
    $table->attributes['class'] = 'generaltable';

    foreach ($sends as $send) {
        $fieldsdata = $send->fields ? json_decode($send->fields, true) : [];
        $fieldstext = [];
        foreach ($fieldsdata as $k => $v) {
            $fieldstext[] = s($k) . ': ' . s($v);
        }

        $table->data[] = [
            s($send->email),
            implode(', ', $fieldstext),
            $statusstrings[$send->status] ?? $send->status,
            $send->sendtime ? userdate($send->sendtime) : get_string('notsent', 'local_bbcomailing'),
            $send->viewtime ? userdate($send->viewtime) : get_string('notviewed', 'local_bbcomailing'),
        ];
    }

    echo html_writer::table($table);
}

$indexurl = new moodle_url('/local/bbcomailing/index.php');
echo html_writer::div(
    html_writer::link($indexurl, get_string('back', 'local_bbcomailing'), ['class' => 'btn btn-secondary']),
    'mt-3'
);

echo $OUTPUT->footer();