tripz-llc/backend/bot/cron_generate_heatmap_cache.php

<?php
/**
 * cron_generate_heatmap_cache.php
 * يجمع بيانات الخريطة الحرارية ويخزنها في Redis
 */

require_once __DIR__ . '/../core/bootstrap.php';
require_once __DIR__ . '/../functions.php';

try {
    $con = Database::get('main');
    $redis = getRedisConnection();
} catch (Exception $e) {
    die("Connection failed: " . $e->getMessage() . "\n");
}

echo "Starting Heatmap Cache Generation (Redis)...\n";

// مربعات المدن الكبرى لتمثيل الدول (لتجنب حساب المضلعات المعقدة)
// الأردن (عمان والزرقاء)
// سوريا (دمشق)
// مصر (القاهرة والإسكندرية)
// العراق (بغداد)
$cityBounds = [
    'JO' => [ // Amman & Zarqa rough bounding box
        'lat' => [31.80, 32.20],
        'lng' => [35.80, 36.20]
    ],
    'SY' => [ // Damascus
        'lat' => [33.40, 33.60],
        'lng' => [36.20, 36.40]
    ],
    'EG' => [ // Cairo & Alexandria
        'lat' => [29.80, 31.30],
        'lng' => [29.80, 31.50]
    ],
    'IQ' => [ // Baghdad
        'lat' => [33.10, 33.50],
        'lng' => [44.20, 44.60]
    ]
];

try {
    $sql = "SELECT latitude, longitude, source, created_at
            FROM passenger_opening_locations
            WHERE created_at >= DATE_SUB(NOW(), INTERVAL 30 DAY)
            ORDER BY created_at DESC
            LIMIT 20000";

    $stmt = $con->query($sql);
    $locations = $stmt->fetchAll(PDO::FETCH_ASSOC);

    $stats = ['geofence' => 0, 'app_usage' => 0, 'silent_push' => 0];
    
    // تقسيم البيانات حسب الدولة (لتسهيل قراءتها من الـ API)
    $countryData = [
        'JO' => [], 'SY' => [], 'EG' => [], 'IQ' => [], 'OTHER' => []
    ];

    foreach ($locations as $loc) {
        $lat = (float)$loc['latitude'];
        $lng = (float)$loc['longitude'];
        if ($lat == 0 || $lng == 0) continue;

        $src = $loc['source'] ?? 'app_usage';
        $date = substr($loc['created_at'], 0, 10);
        
        $assignedCountry = 'OTHER';
        // البحث عن المربع الذي يقع فيه الإحداثي
        foreach ($cityBounds as $cc => $b) {
            if ($lat >= $b['lat'][0] && $lat <= $b['lat'][1] &&
                $lng >= $b['lng'][0] && $lng <= $b['lng'][1]) {
                $assignedCountry = $cc;
                break;
            }
        }

        if (isset($stats[$src])) $stats[$src]++;
        
        $countryData[$assignedCountry][] = [
            'lat' => $lat,
            'lng' => $lng,
            'source' => $src,
            'date' => $date
        ];
    }

    $redisData = [
        'last_updated' => date('Y-m-d H:i:s'),
        'total' => count($locations),
        'stats' => $stats,
        'data' => $countryData // مقسمة وجاهزة
    ];

    $redis->set('siro:cache:heatmap:data', json_encode($redisData, JSON_UNESCAPED_UNICODE));

    echo "Heatmap Cache Generated Successfully. Points: " . count($locations) . "\n";

} catch (Exception $e) {
    error_log("Error generating heatmap cache: " . $e->getMessage());
    echo "Error: " . $e->getMessage();
}
?>