Subversion-Projekte lars-tiefland.laravel_shop

<?php namespace Clockwork\DataSource;

use Clockwork\Helpers\Serializer;
use Clockwork\Helpers\StackTrace;
use Clockwork\Request\Request;

use Illuminate\Contracts\Events\Dispatcher as EventDispatcher;

// Data source for Laravel redis component, provides redis commands
class LaravelRedisDataSource extends DataSource
{
        // Event dispatcher instance
        protected $eventDispatcher;

        // Executed redis commands
        protected $commands = [];

        // Whether to skip Redis commands originating from Laravel cache Redis store
        protected $skipCacheCommands = true;

        // Create a new data source instance, takes an event dispatcher and additional options as arguments
        public function __construct(EventDispatcher $eventDispatcher, $skipCacheCommands = true)
        {
                $this->eventDispatcher = $eventDispatcher;

                $this->skipCacheCommands = $skipCacheCommands;

                if ($this->skipCacheCommands) {
                        $this->addFilter(function ($command, $trace) {
                                return ! $trace->first(function ($frame) { return $frame->class == 'Illuminate\Cache\RedisStore'; });
                        });
                }
        }

        // Adds redis commands to the request
        public function resolve(Request $request)
        {
                $request->redisCommands = array_merge($request->redisCommands, $this->getCommands());

                return $request;
        }

        // Reset the data source to an empty state, clearing any collected data
        public function reset()
        {
                $this->commands = [];
        }

        // Listen to the cache events
        public function listenToEvents()
        {
                $this->eventDispatcher->listen(\Illuminate\Redis\Events\CommandExecuted::class, function ($event) {
                        $this->registerCommand([
                                'command'    => $event->command,
                                'parameters' => $event->parameters,
                                'duration'   => $event->time,
                                'connection' => $event->connectionName,
                                'time'       => microtime(true) - $event->time / 1000
                        ]);
                });
        }

        // Collect an executed command
        protected function registerCommand(array $command)
        {
                $trace = StackTrace::get()->resolveViewName();

                $command = array_merge($command, [
                        'trace' => (new Serializer)->trace($trace)
                ]);

                if ($this->passesFilters([ $command, $trace ])) {
                        $this->commands[] = $command;
                }
        }

        // Get an array of executed redis commands
        protected function getCommands()
        {
                return array_map(function ($query) {
                        return array_merge($query, [
                                'parameters' => isset($query['parameters']) ? (new Serializer)->normalize($query['parameters']) : null
                        ]);
                }, $this->commands);
        }
}