Basis\Event

Complexity

Total Complexity

14

Size/Duplication

Total Lines	72
Duplicated Lines	0 %

Coupling/Cohesion

Components	2
Dependencies	4

Test Coverage

Coverage

0%

Importance

Changes	8
Bugs	1	Features	1

4 Methods

Rating	Name	Duplication	Size	Complexity
A	fire()	0	7	1
C	fireChanges()	0	29	7
A	__construct()	0	7	1
B	getSubscription()	0	18	5

<?php

namespace Basis;

use Tarantool\Mapper\Plugin\Spy;
use ReflectionClass;

class Event
{
    private $dispatcher;
    private $filesystem;
    private $service;
    private $spy;

    public function __construct(Dispatcher $dispatcher, Service $service, Spy $spy, Filesystem $filesystem)
    {
        $this->dispatcher = $dispatcher;
        $this->filesystem = $filesystem;
        $this->service = $service;
        $this->spy = $spy;
    }

    public function getSubscription()
    {
        $subscription = [];
        foreach ($this->filesystem->listClasses('Listener') as $class) {
            $reflection = new ReflectionClass($class);
            if ($reflection->isAbstract()) {
                continue;
            }
            foreach ($reflection->getStaticPropertyValue('events') as $event) {
                if (!array_key_exists($event, $subscription)) {
                    $subscription[$event] = [];
                }
                $subscription[$event][] = substr($class, strlen('Listener\\'));
            }
        }

        return $subscription;
    }

    public function fire(string $event, $context)
    {
        $this->dispatcher->dispatch('event.fire', [
            'event' => $this->service->getName().'.'.$event,
            'context' => $context,
        ]);
    }

    public function fireChanges(string $producer)
    {
        if ($this->spy->hasChanges()) {
            // reduce changes list
            $changes = $this->spy->getChanges();
            foreach ($changes as $action => $collection) {
                foreach ($collection as $space => $entities) {
                    $event = $this->service->getName().'.'.$space.'.'.$action;

                    if (!$this->service->eventExists($event)) {
                        unset($collection[$space]);
                    }
                }
                if (!count($collection)) {
                    unset($changes->$action);
                }
            }

            if (count($changes)) {
                $this->dispatcher->dispatch('event.changes', [
                    'producer' => $producer,
                    'changes' => $changes,
                    'service' => $this->service->getName(),
                ]);
            }

            $this->spy->reset();
        }
    }
}