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| 1 | <?php |
| 2 | declare(strict_types=1); |
| 3 | |
| 4 | namespace App\Utility; |
| 5 | |
| 6 | use Cake\Cache\Cache; |
| 7 | use Cake\ORM\TableRegistry; |
| 8 | use InvalidArgumentException; |
| 9 | |
| 10 | /** |
| 11 | * Class SettingsManager |
| 12 | * |
| 13 | * This utility class manages application settings with caching capabilities. |
| 14 | * It uses CakePHP's Cache and ORM components to efficiently retrieve and store settings. |
| 15 | */ |
| 16 | class SettingsManager |
| 17 | { |
| 18 | /** |
| 19 | * @var string The cache configuration name used for storing settings. |
| 20 | */ |
| 21 | private static string $cacheConfig = 'settings_cache'; |
| 22 | |
| 23 | /** |
| 24 | * Writes a setting value to the database and updates the cache. |
| 25 | * |
| 26 | * This method updates a setting value identified by the given path. It updates the value in the database |
| 27 | * using the Settings table and then updates the cache to reflect the change. |
| 28 | * |
| 29 | * @param string $path The dot-separated path to the setting (e.g., 'category.key_name'). |
| 30 | * @param mixed $value The value to set for the specified setting. |
| 31 | * @return bool True if the setting was successfully updated, false otherwise. |
| 32 | * @throws \InvalidArgumentException If the path format is invalid. |
| 33 | * @throws \RuntimeException If the Settings table cannot be accessed. |
| 34 | */ |
| 35 | public static function write(string $path, mixed $value): bool |
| 36 | { |
| 37 | $parts = explode('.', $path); |
| 38 | if (count($parts) !== 2) { |
| 39 | throw new InvalidArgumentException( |
| 40 | 'Invalid path format. Must be in the format "category.key_name"', |
| 41 | ); |
| 42 | } |
| 43 | |
| 44 | [$category, $keyName] = $parts; |
| 45 | $cacheKey = 'setting_' . str_replace('.', '_', $path); |
| 46 | |
| 47 | $settingsTable = TableRegistry::getTableLocator()->get('Settings'); |
| 48 | |
| 49 | // Find the existing setting |
| 50 | $setting = $settingsTable->find() |
| 51 | ->where([ |
| 52 | 'category' => $category, |
| 53 | 'key_name' => $keyName, |
| 54 | ]) |
| 55 | ->first(); |
| 56 | |
| 57 | if (!$setting) { |
| 58 | throw new InvalidArgumentException( |
| 59 | sprintf('Setting not found: %s.%s', $category, $keyName), |
| 60 | ); |
| 61 | } |
| 62 | |
| 63 | // Update the setting |
| 64 | $setting->value = $value; |
| 65 | |
| 66 | if ($settingsTable->save($setting)) { |
| 67 | // Update the cache |
| 68 | Cache::write($cacheKey, $value, self::$cacheConfig); |
| 69 | |
| 70 | // Also clear the category-level cache if it exists |
| 71 | Cache::delete('setting_' . $category, self::$cacheConfig); |
| 72 | |
| 73 | return true; |
| 74 | } |
| 75 | |
| 76 | return false; |
| 77 | } |
| 78 | |
| 79 | /** |
| 80 | * Reads a setting value from the cache or database. |
| 81 | * |
| 82 | * This method attempts to read a setting value identified by the given path. It first checks the cache |
| 83 | * for the value. If the value is not found in the cache, it retrieves the value from the database using |
| 84 | * the Settings table. The result is then cached to optimize future requests. |
| 85 | * |
| 86 | * The method supports two types of reads: |
| 87 | * 1. Reading all settings for a category (e.g., 'ImageSizes') |
| 88 | * 2. Reading a specific setting within a category (e.g., 'ImageSizes.medium') |
| 89 | * |
| 90 | * @param string $path The dot-separated path to the setting (e.g., 'category' or 'category.key_name'). |
| 91 | * @param mixed $default The default value to return if the setting is not found. |
| 92 | * @return mixed The setting value if found, otherwise the default value. |
| 93 | * For category-level requests, returns an array of all settings in that category. |
| 94 | * For specific setting requests, returns the value of that setting. |
| 95 | * @throws \RuntimeException If the Settings table cannot be accessed. |
| 96 | */ |
| 97 | public static function read(string $path, mixed $default = null): mixed |
| 98 | { |
| 99 | $cacheKey = 'setting_' . str_replace('.', '_', $path); |
| 100 | |
| 101 | $value = Cache::read($cacheKey, self::$cacheConfig); |
| 102 | if ($value !== null) { |
| 103 | return $value; |
| 104 | } |
| 105 | |
| 106 | $parts = explode('.', $path); |
| 107 | $category = $parts[0] ?? null; |
| 108 | $keyName = $parts[1] ?? null; |
| 109 | |
| 110 | $settingsTable = TableRegistry::getTableLocator()->get('Settings'); |
| 111 | |
| 112 | if ($keyName === null) { |
| 113 | // Fetch all settings for the category |
| 114 | $value = $settingsTable->getSettingValue($category); |
| 115 | } else { |
| 116 | // Fetch a single setting |
| 117 | $value = $settingsTable->getSettingValue($category, $keyName); |
| 118 | } |
| 119 | |
| 120 | // Cache the result, even if it's null, to avoid repeated database queries |
| 121 | Cache::write($cacheKey, $value, self::$cacheConfig); |
| 122 | |
| 123 | return $value ?? $default; |
| 124 | } |
| 125 | |
| 126 | /** |
| 127 | * Clears the settings cache. |
| 128 | * |
| 129 | * Removes all cached settings to ensure fresh data retrieval on subsequent reads. |
| 130 | * |
| 131 | * @return void |
| 132 | */ |
| 133 | public static function clearCache(): void |
| 134 | { |
| 135 | Cache::clear(self::$cacheConfig); |
| 136 | } |
| 137 | |
| 138 | /** |
| 139 | * Get the cache configuration name. Useful for testcases. |
| 140 | * |
| 141 | * @return string |
| 142 | */ |
| 143 | public static function getCacheConfig(): string |
| 144 | { |
| 145 | return self::$cacheConfig; |
| 146 | } |
| 147 | } |