xamxam/lib/config.php

<?php

/**
 * Configuration for Post-ERG thesis database
 * Central location for database paths and environment settings
 */

// Database paths relative to repository root
define('DB_ROOT', __DIR__ . '/..');

// Test database (used in development)
define('DB_TEST_PATH', DB_ROOT . '/database/test.db');

// Production database (used on server)
define('DB_PROD_PATH', DB_ROOT . '/database/posterg.db');

/**
 * Determine which database to use
 * Checks environment variable DB_ENV, defaults to auto-detection
 *
 * Set DB_ENV in your environment:
 * - export DB_ENV=test     # Force test database
 * - export DB_ENV=prod     # Force production database
 *
 * Auto-detection logic:
 * - If test.db exists, use it (development)
 * - Otherwise use posterg.db (production)
 */
function getDatabasePath() {
    // Allow explicit override via environment variable
    $env = getenv('DB_ENV');

    if ($env === 'test') {
        return DB_TEST_PATH;
    }

    if ($env === 'prod') {
        return DB_PROD_PATH;
    }

    // Auto-detect: prefer test database if it exists
    if (file_exists(DB_TEST_PATH)) {
        return DB_TEST_PATH;
    }

    // Default to production database
    return DB_PROD_PATH;
}

/**
 * Check if running in test/development mode
 */
function isTestMode() {
    return getDatabasePath() === DB_TEST_PATH;
}