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<?php |
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namespace Usamamuneerchaudhary\Notifier\Services; |
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use Illuminate\Support\Facades\Cache; |
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use Illuminate\Support\Facades\Log; |
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use Usamamuneerchaudhary\Notifier\Models\NotificationSetting; |
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class RateLimitingService |
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{ |
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/** |
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* Check if notification can be sent based on rate limits |
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*/ |
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public function canSend(): bool |
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{ |
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$rateLimiting = NotificationSetting::getRateLimiting(); |
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if (!($rateLimiting['enabled'] ?? config('notifier.settings.rate_limiting.enabled', true))) { |
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return true; |
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} |
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$maxPerMinute = $rateLimiting['max_per_minute'] ?? config('notifier.settings.rate_limiting.max_per_minute', 60); |
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$maxPerHour = $rateLimiting['max_per_hour'] ?? config('notifier.settings.rate_limiting.max_per_hour', 1000); |
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$maxPerDay = $rateLimiting['max_per_day'] ?? config('notifier.settings.rate_limiting.max_per_day', 10000); |
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return $this->checkLimit('minute', $maxPerMinute) |
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&& $this->checkLimit('hour', $maxPerHour) |
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&& $this->checkLimit('day', $maxPerDay); |
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} |
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/** |
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* Get current count for a time period |
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*/ |
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public function getCurrentCount(string $period): int |
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{ |
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$key = $this->getCacheKey($period); |
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return Cache::get($key, 0); |
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} |
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/** |
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* Increment rate limit counter |
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*/ |
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public function increment(): void |
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{ |
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$now = now(); |
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$minuteKey = $this->getCacheKey('minute', $now); |
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Cache::increment($minuteKey); |
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Cache::put($minuteKey, Cache::get($minuteKey, 0), now()->addMinutes(2)); |
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$hourKey = $this->getCacheKey('hour', $now); |
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Cache::increment($hourKey); |
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Cache::put($hourKey, Cache::get($hourKey, 0), now()->addHours(2)); |
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$dayKey = $this->getCacheKey('day', $now); |
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Cache::increment($dayKey); |
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Cache::put($dayKey, Cache::get($dayKey, 0), now()->addDays(2)); |
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} |
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/** |
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* Check if limit is exceeded for a given period |
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*/ |
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protected function checkLimit(string $period, int $maxLimit): bool |
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{ |
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$key = $this->getCacheKey($period); |
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$count = Cache::get($key, 0); |
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if ($count >= $maxLimit) { |
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Log::warning("Rate limit exceeded: {$period} limit ({$maxLimit})", [ |
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'current_count' => $count, |
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'limit' => $maxLimit, |
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'period' => $period, |
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]); |
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return false; |
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} |
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return true; |
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} |
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/** |
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* Get cache key for a time period |
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*/ |
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protected function getCacheKey(string $period, ?\Carbon\Carbon $time = null): string |
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{ |
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$time = $time ?? now(); |
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return match ($period) { |
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'minute' => "notifier:rate_limit:minute:" . $time->format('Y-m-d-H-i'), |
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'hour' => "notifier:rate_limit:hour:" . $time->format('Y-m-d-H'), |
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'day' => "notifier:rate_limit:day:" . $time->format('Y-m-d'), |
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default => "notifier:rate_limit:{$period}:" . $time->timestamp, |
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}; |
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} |
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/** |
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* Get rate limit status information |
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*/ |
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public function getStatus(): array |
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{ |
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$rateLimiting = NotificationSetting::getRateLimiting(); |
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return [ |
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'enabled' => $rateLimiting['enabled'] ?? config('notifier.settings.rate_limiting.enabled', true), |
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'limits' => [ |
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'minute' => [ |
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'max' => $rateLimiting['max_per_minute'] ?? config('notifier.settings.rate_limiting.max_per_minute', 60), |
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'current' => $this->getCurrentCount('minute'), |
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], |
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'hour' => [ |
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'max' => $rateLimiting['max_per_hour'] ?? config('notifier.settings.rate_limiting.max_per_hour', 1000), |
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'current' => $this->getCurrentCount('hour'), |
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], |
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'day' => [ |
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'max' => $rateLimiting['max_per_day'] ?? config('notifier.settings.rate_limiting.max_per_day', 10000), |
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'current' => $this->getCurrentCount('day'), |
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], |
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], |
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]; |
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} |
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120
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} |
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usamamuneerchaudhary /
filament-notifier
