121 lines
3.2 KiB
PHP
121 lines
3.2 KiB
PHP
<?php
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namespace MintyPHP\Service\Settings;
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class SettingCacheService
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{
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private ?array $settings = null;
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private ?string $cacheFilePath;
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public function __construct(?string $cacheFilePath = null)
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{
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$this->cacheFilePath = $cacheFilePath;
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}
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public function get(string $key): ?string
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{
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$settings = $this->all();
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$value = $settings[$key] ?? null;
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if ($value === null) {
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return null;
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}
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$value = trim((string) $value);
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return $value !== '' ? $value : null;
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}
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public function all(): array
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{
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if ($this->settings !== null) {
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return $this->settings;
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}
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$file = $this->filePath();
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if (!is_file($file)) {
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$this->settings = [];
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return $this->settings;
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}
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$loaded = include $file;
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$this->settings = is_array($loaded) ? $loaded : [];
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return $this->settings;
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}
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public function update(array $values): bool
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{
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$current = $this->all();
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foreach ($values as $key => $value) {
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$settingKey = trim((string) $key);
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if ($settingKey === '') {
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continue;
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}
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$current[$settingKey] = $value === null ? null : (string) $value;
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}
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return $this->write($current);
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}
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public function write(array $settings): bool
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{
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$file = $this->filePath();
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$dir = dirname($file);
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if (!is_dir($dir) && !@mkdir($dir, 0775, true) && !is_dir($dir)) {
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return false;
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}
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// Write to a temp file first, then rename — rename is atomic on most filesystems,
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// so readers never see a half-written file. LOCK_EX prevents concurrent write corruption.
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$tmp = tempnam($dir, 'settings_');
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if ($tmp === false) {
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return false;
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}
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// PHP include returns an array — loaded by OPcache on subsequent requests, much faster than DB.
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$payload = "<?php\n\nreturn " . $this->exportValue($settings) . ";\n";
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$written = @file_put_contents($tmp, $payload, LOCK_EX);
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if ($written === false) {
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@unlink($tmp);
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return false;
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}
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if (!@rename($tmp, $file)) {
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@unlink($tmp);
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return false;
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}
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$this->settings = $settings;
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return true;
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}
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public function filePath(): string
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{
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if (is_string($this->cacheFilePath) && $this->cacheFilePath !== '') {
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return $this->cacheFilePath;
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}
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return dirname(__DIR__, 3) . '/config/settings.php';
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}
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private function exportValue(mixed $value, int $depth = 0): string
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{
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if (!is_array($value)) {
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return var_export($value, true);
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}
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if ($value === []) {
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return '[]';
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}
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$indent = str_repeat(' ', $depth);
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$childIndent = str_repeat(' ', $depth + 1);
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$lines = [];
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foreach ($value as $key => $item) {
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$lines[] = $childIndent
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. var_export($key, true)
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. ' => '
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. $this->exportValue($item, $depth + 1)
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. ',';
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}
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return "[\n" . implode("\n", $lines) . "\n" . $indent . ']';
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}
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}
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