Subscription Started

 1<?php ...
 2 
 3namespace Thunk\Verbs\Examples\Subscriptions\Events;
 4 
 5use Thunk\Verbs\Event;
 6use Thunk\Verbs\Examples\Subscriptions\Models\Subscription;
 7use Thunk\Verbs\Examples\Subscriptions\States\GlobalReportState;
 8use Thunk\Verbs\Examples\Subscriptions\States\PlanReportState;
 9use Thunk\Verbs\Examples\Subscriptions\States\SubscriptionState;
10use Thunk\Verbs\Support\StateCollection; 
11 
12class SubscriptionStarted extends Event
13{
14    public int $user_id;
15 
16    public int $plan_id;
17 
18    public ?int $subscription_id = null;
19 
20    public function states(): StateCollection
21    {
22        $this->subscription_id ??= snowflake_id();
23 
24        return new StateCollection([
25            SubscriptionState::load($this->subscription_id),
26            PlanReportState::load($this->plan_id),
27            GlobalReportState::singleton(),
28        ]);
29    }
30 
31    public function validate(SubscriptionState $state)
32    {
33        return ! $state->is_active;
34    }
35 
36    public function apply(SubscriptionState $state)
37    {
38        $state->is_active = true;
39        $state->plan_id = $this->plan_id;
40    }
41 
42    public function handle()
43    {
44        [$subscription_state] = $this->states();
45 
46        Subscription::create([
47            'id' => $subscription_state->id,
48            'user_id' => $this->user_id,
49            'plan_id' => $this->plan_id,
50            'is_active' => true,
51        ]);
52    }
53}