39038-vm/admin_manage_locations.php

<?php
declare(strict_types=1);

require_once __DIR__ . '/includes/layout.php';

$errors = [];
$flash = null;

db()->exec("
CREATE TABLE IF NOT EXISTS countries (
    id INT AUTO_INCREMENT PRIMARY KEY,
    name_en VARCHAR(255) NOT NULL,
    name_ar VARCHAR(255) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
");

db()->exec("
CREATE TABLE IF NOT EXISTS cities (
    id INT AUTO_INCREMENT PRIMARY KEY,
    country_id INT NOT NULL,
    name_en VARCHAR(255) NOT NULL,
    name_ar VARCHAR(255) DEFAULT NULL,
    UNIQUE KEY uniq_city_country (country_id, name_en),
    CONSTRAINT fk_cities_country FOREIGN KEY (country_id) REFERENCES countries(id) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
");

if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    if (isset($_POST['add_country'])) {
        $countryNameEn = trim($_POST['country_name_en'] ?? '');
        $countryNameAr = trim($_POST['country_name_ar'] ?? '');
        if ($countryNameEn === '') {
            $errors[] = 'Country name (English) is required.';
        } else {
            try {
                $stmt = db()->prepare("INSERT INTO countries (name_en, name_ar) VALUES (?, ?)");
                $stmt->execute([$countryNameEn, $countryNameAr !== '' ? $countryNameAr : null]);
                $flash = 'Country added.';
            } catch (Throwable $e) {
                $errors[] = 'Country already exists or could not be saved.';
            }
        }
    } elseif (isset($_POST['add_city'])) {
        $countryId = (int)($_POST['country_id'] ?? 0);
        $cityNameEn = trim($_POST['city_name_en'] ?? '');
        $cityNameAr = trim($_POST['city_name_ar'] ?? '');
        if ($countryId <= 0 || $cityNameEn === '') {
            $errors[] = 'Please select a country and provide city name (English).';
        } else {
            try {
                $stmt = db()->prepare("INSERT INTO cities (country_id, name_en, name_ar) VALUES (?, ?, ?)");
                $stmt->execute([$countryId, $cityNameEn, $cityNameAr !== '' ? $cityNameAr : null]);
                $flash = 'City added.';
            } catch (Throwable $e) {
                $errors[] = 'City already exists or could not be saved.';
            }
        }
    }
}

$countryNameExpr = $lang === 'ar'
    ? "COALESCE(NULLIF(co.name_ar, ''), co.name_en)"
    : "COALESCE(NULLIF(co.name_en, ''), co.name_ar)";
$countryNameExprNoAlias = $lang === 'ar'
    ? "COALESCE(NULLIF(name_ar, ''), name_en)"
    : "COALESCE(NULLIF(name_en, ''), name_ar)";
$cityNameExpr = $lang === 'ar'
    ? "COALESCE(NULLIF(c.name_ar, ''), c.name_en)"
    : "COALESCE(NULLIF(c.name_en, ''), c.name_ar)";

$countries = db()->query("SELECT id, {$countryNameExprNoAlias} AS display_name FROM countries ORDER BY display_name ASC")->fetchAll();
$cities = db()->query(
    "SELECT
        {$countryNameExpr} AS country_name,
        {$cityNameExpr} AS city_name
     FROM cities c
     JOIN countries co ON co.id = c.country_id
     ORDER BY country_name ASC, city_name ASC
     LIMIT 30"
)->fetchAll();

render_header('Manage Locations', 'admin');
?>

<div class="row g-4">
    <div class="col-lg-3">
        <?php render_admin_sidebar('locations'); ?>
    </div>
    <div class="col-lg-9">
        <div class="page-intro">
            <h1 class="section-title mb-1">Country & city setup</h1>
            <p class="muted mb-0">Define allowed origin and destination options for shipments.</p>
        </div>

        <?php if ($flash): ?>
            <div class="alert alert-success" data-auto-dismiss="true"><?= e($flash) ?></div>
        <?php endif; ?>
        <?php if ($errors): ?>
            <div class="alert alert-warning"><?= e(implode(' ', $errors)) ?></div>
        <?php endif; ?>

        <div class="row g-4">
            <div class="col-lg-6">
                <div class="panel p-4 h-100">
                    <h2 class="h5 mb-3">Add country</h2>
                    <form method="post">
                        <div class="mb-3">
                            <label class="form-label" for="country_name_en">Country name (EN)</label>
                            <input id="country_name_en" type="text" name="country_name_en" class="form-control" required>
                        </div>
                        <div class="mb-3">
                            <label class="form-label" for="country_name_ar">Country name (AR)</label>
                            <input id="country_name_ar" type="text" name="country_name_ar" class="form-control">
                        </div>
                        <button type="submit" name="add_country" class="btn btn-primary">Add country</button>
                    </form>
                </div>
            </div>
            <div class="col-lg-6">
                <div class="panel p-4 h-100">
                    <h2 class="h5 mb-3">Add city</h2>
                    <form method="post">
                        <div class="mb-3">
                            <label class="form-label" for="country_id">Country</label>
                            <select id="country_id" name="country_id" class="form-select" required>
                                <option value="">Select country</option>
                                <?php foreach ($countries as $country): ?>
                                    <option value="<?= e($country['id']) ?>"><?= e($country['display_name']) ?></option>
                                <?php endforeach; ?>
                            </select>
                        </div>
                        <div class="mb-3">
                            <label class="form-label" for="city_name_en">City name (EN)</label>
                            <input id="city_name_en" type="text" name="city_name_en" class="form-control" required>
                        </div>
                        <div class="mb-3">
                            <label class="form-label" for="city_name_ar">City name (AR)</label>
                            <input id="city_name_ar" type="text" name="city_name_ar" class="form-control">
                        </div>
                        <button type="submit" name="add_city" class="btn btn-primary">Add city</button>
                    </form>
                </div>
            </div>
        </div>

        <div class="panel p-4 mt-4">
            <div class="d-flex justify-content-between align-items-center mb-2">
                <h2 class="h5 mb-0">Recently added cities</h2>
                <a class="btn btn-sm btn-outline-dark" href="<?= e(url_with_lang('admin_dashboard.php')) ?>">Back to admin</a>
            </div>
            <?php if (!$cities): ?>
                <p class="muted mb-0">No cities added yet.</p>
            <?php else: ?>
                <div class="table-responsive">
                    <table class="table mb-0">
                        <thead>
                            <tr>
                                <th>Country</th>
                                <th>City</th>
                            </tr>
                        </thead>
                        <tbody>
                            <?php foreach ($cities as $city): ?>
                                <tr>
                                    <td><?= e($city['country_name']) ?></td>
                                    <td><?= e($city['city_name']) ?></td>
                                </tr>
                            <?php endforeach; ?>
                        </tbody>
                    </table>
                </div>
            <?php endif; ?>
        </div>
    </div>
</div>

<?php render_footer(); ?>