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<?php namespace GeneaLabs\LaravelModelCaching\Traits; |
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use Carbon\Carbon; |
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use GeneaLabs\LaravelModelCaching\CacheKey; |
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use GeneaLabs\LaravelModelCaching\CacheTags; |
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use Illuminate\Cache\TaggableStore; |
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use Illuminate\Database\Eloquent\Model; |
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use Illuminate\Database\Query\Builder; |
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trait Caching |
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{ |
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protected $isCachable = true; |
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public function cache(array $tags = []) |
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{ |
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$cache = app('cache'); |
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if (config('laravel-model-caching.store')) { |
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$cache = $cache->store(config('laravel-model-caching.store')); |
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} |
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if (is_subclass_of($cache->getStore(), TaggableStore::class)) { |
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$cache = $cache->tags($tags); |
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} |
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return $cache; |
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} |
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public function disableModelCaching() |
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{ |
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$this->isCachable = false; |
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return $this; |
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} |
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public function flushCache(array $tags = []) |
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{ |
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if (count($tags) === 0) { |
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$tags = $this->makeCacheTags(); |
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} |
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$this->cache($tags)->flush(); |
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[$cacheCooldown] = $this->getModelCacheCooldown($this); |
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if ($cacheCooldown) { |
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$cachePrefix = $this->getCachePrefix(); |
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$modelClassName = get_class($this); |
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$cacheKey = "{$cachePrefix}:{$modelClassName}-cooldown:saved-at"; |
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$this->cache() |
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->rememberForever($cacheKey, function () { |
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return (new Carbon)->now(); |
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}); |
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} |
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} |
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protected function getCachePrefix() : string |
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{ |
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return "genealabs:laravel-model-caching:" |
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. (config('laravel-model-caching.cache-prefix') |
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? config('laravel-model-caching.cache-prefix', '') . ":" |
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: ""); |
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} |
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protected function makeCacheKey( |
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array $columns = ['*'], |
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$idColumn = null, |
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string $keyDifferentiator = '' |
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) : string { |
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$eagerLoad = $this->eagerLoad ?? []; |
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$model = $this->model ?? $this; |
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$query = $this->query ?? app('db')->query(); |
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return (new CacheKey($eagerLoad, $model, $query)) |
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->make($columns, $idColumn, $keyDifferentiator); |
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} |
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protected function makeCacheTags() : array |
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{ |
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$eagerLoad = $this->eagerLoad ?? []; |
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$model = $this->model instanceof Model |
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? $this->model |
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: $this; |
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$query = $this->query instanceof Builder |
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? $this->query |
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: app('db')->query(); |
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$tags = (new CacheTags($eagerLoad, $model, $query)) |
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->make(); |
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return $tags; |
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} |
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public function getModelCacheCooldown(Model $instance) : array |
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{ |
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$cachePrefix = $this->getCachePrefix(); |
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$modelClassName = get_class($instance); |
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[$cacheCooldown, $invalidatedAt, $savedAt] = $this |
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->getCacheCooldownDetails($instance, $cachePrefix, $modelClassName); |
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if (! $cacheCooldown || $cacheCooldown === 0) { |
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return [null, null, null]; |
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} |
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return [$cacheCooldown, $invalidatedAt, $savedAt]; |
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} |
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protected function getCacheCooldownDetails( |
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Model $instance, |
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string $cachePrefix, |
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string $modelClassName |
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) : array { |
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return [ |
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$instance |
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->cache() |
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->get("{$cachePrefix}:{$modelClassName}-cooldown:seconds"), |
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$instance |
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->cache() |
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->get("{$cachePrefix}:{$modelClassName}-cooldown:invalidated-at"), |
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$instance |
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->cache() |
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->get("{$cachePrefix}:{$modelClassName}-cooldown:saved-at"), |
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]; |
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} |
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protected function checkCooldownAndRemoveIfExpired(Model $instance) |
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{ |
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[$cacheCooldown, $invalidatedAt] = $this->getModelCacheCooldown($instance); |
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if (! $cacheCooldown |
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|| (new Carbon)->now()->diffInSeconds($invalidatedAt) < $cacheCooldown |
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) { |
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return; |
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} |
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$cachePrefix = $this->getCachePrefix(); |
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$modelClassName = get_class($instance); |
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$instance |
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->cache() |
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->forget("{$cachePrefix}:{$modelClassName}-cooldown:invalidated-at"); |
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$instance |
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->cache() |
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->forget("{$cachePrefix}:{$modelClassName}-cooldown:invalidated-at"); |
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$instance |
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->cache() |
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->forget("{$cachePrefix}:{$modelClassName}-cooldown:saved-at"); |
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$instance->flushCache(); |
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} |
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protected function checkCooldownAndFlushAfterPersisting(Model $instance) |
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{ |
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[$cacheCooldown, $invalidatedAt] = $instance->getModelCacheCooldown($instance); |
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if (! $cacheCooldown) { |
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$instance->flushCache(); |
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return; |
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} |
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$this->setCacheCooldownSavedAtTimestamp($instance); |
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if ((new Carbon)->now()->diffInSeconds($invalidatedAt) >= $cacheCooldown) { |
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$instance->flushCache(); |
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} |
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} |
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public function isCachable() : bool |
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{ |
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return $this->isCachable |
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&& ! config('laravel-model-caching.disabled'); |
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} |
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protected function setCacheCooldownSavedAtTimestamp(Model $instance) |
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{ |
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$cachePrefix = $this->getCachePrefix(); |
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$modelClassName = get_class($instance); |
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$cacheKey = "{$cachePrefix}:{$modelClassName}-cooldown:saved-at"; |
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$instance->cache() |
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->rememberForever($cacheKey, function () { |
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return (new Carbon)->now(); |
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}); |
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} |
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} |
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GeneaLabs /
laravel-model-caching
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