feat: add persistent mobile notifications

app/Notifications/MobileNotification.php

@@ -0,0 +1,99 @@
+<?php
+
+namespace App\Notifications;
+
+use App\Models\User;
+use Illuminate\Bus\Queueable;
+use Illuminate\Contracts\Queue\ShouldQueue;
+use Illuminate\Notifications\Notification;
+
+abstract class MobileNotification extends Notification implements ShouldQueue
+{
+    use Queueable;
+
+    public const array TYPES = [
+        'certification_approved',
+        'certification_rejected',
+        'engagement_reminder',
+        'meal_commented',
+        'new_follower',
+        'payment_failed',
+    ];
+
+    protected const string CATEGORY_ACCOUNT = 'account';
+
+    protected const string CATEGORY_ENGAGEMENT = 'engagement';
+
+    protected const string CATEGORY_SOCIAL = 'social';
+
+    public function __construct()
+    {
+        $this->afterCommit();
+    }
+
+    /** @return list<string> */
+    public function via(object $notifiable): array
+    {
+        if ($this->category() === self::CATEGORY_ENGAGEMENT
+            && $notifiable instanceof User
+            && ! $notifiable->engagement_reminders_enabled) {
+            return [];
+        }
+
+        $channels = ['database'];
+
+        if ($this->shouldSendPush($notifiable)) {
+            $channels[] = 'expo';
+        }
+
+        return $channels;
+    }
+
+    /** @return array<string, mixed> */
+    public function toDatabase(object $notifiable): array
+    {
+        return [
+            ...$this->payload($notifiable),
+            'category' => $this->category(),
+        ];
+    }
+
+    public function databaseType(object $notifiable): string
+    {
+        return $this->payload($notifiable)['type'];
+    }
+
+    /** @return array<string, mixed> */
+    public function toExpoPush(object $notifiable): array
+    {
+        $payload = $this->payload($notifiable);
+
+        return [
+            'title' => $payload['title'],
+            'body' => $payload['body'],
+            'sound' => 'default',
+            'channelId' => 'default',
+            'data' => [
+                'type' => $payload['type'],
+                'url' => $payload['url'],
+                ...($this->id ? ['notificationId' => $this->id] : []),
+                ...($payload['data'] ?? []),
+            ],
+        ];
+    }
+
+    abstract protected function category(): string;
+
+    /** @return array{type: string, title: string, body: string, url: string, data?: array<string, mixed>} */
+    abstract protected function payload(object $notifiable): array;
+
+    private function shouldSendPush(object $notifiable): bool
+    {
+        if (! $notifiable instanceof User) {
+            return false;
+        }
+
+        return $this->category() !== self::CATEGORY_SOCIAL
+            || $notifiable->social_notifications_enabled;
+    }
+}