Updated scheduled tasks

app/Services/FollowerNotificationService.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace App\Services;
+
+use App\Enums\FlightNotificationType;
+use App\Models\Notification;
+use App\Models\User;
+use App\Models\UserFlight;
+
+class FollowerNotificationService
+{
+    /**
+     * Notify a user's followers about something that happened to one of their flights.
+     */
+    public function notifyFlightEvent(UserFlight $flight, FlightNotificationType $type): void
+    {
+        $this->notify(
+            user: $flight->user,
+            settingKey: $type->settingKey(),
+            title: $type->title($flight->user),
+            body: $type->body($flight),
+            url: $type->url($flight),
+        );
+    }
+
+    /**
+     * Generic entry point for any future "notify all followers about X" need
+     * that isn't tied to a flight event.
+     */
+    public function notify(User $user, string $settingKey, string $title, string $body, string $url): void
+    {
+        $user->followers()
+            ->get()
+            ->filter(fn (User $follower) => $follower->getSetting($settingKey))
+            ->each(fn (User $follower) => Notification::create([
+                'user_id' => $follower->id,
+                'title'   => $title,
+                'body'    => $body,
+                'url'     => $url,
+            ]));
+    }
+}