チェックインの編集は本人のみ可能

app/Http/Controllers/EjaculationController.php

@@ -106,6 +106,10 @@ class EjaculationController extends Controller
     {
         $ejaculation = Ejaculation::findOrFail($id);
 
+        if (Auth::user()->cant('edit', $ejaculation)) {
+            abort(403);
+        }
+
         return view('ejaculation.edit')->with(compact('ejaculation'));
     }
 
@@ -113,6 +117,10 @@ class EjaculationController extends Controller
     {
         $ejaculation = Ejaculation::findOrFail($id);
 
+        if (Auth::user()->cant('edit', $ejaculation)) {
+            abort(403);
+        }
+
         $inputs = $request->all();
 
         $validator = Validator::make($inputs, [
@@ -163,6 +171,11 @@ class EjaculationController extends Controller
     public function destroy($id)
     {
         $ejaculation = Ejaculation::findOrFail($id);
+
+        if (Auth::user()->cant('edit', $ejaculation)) {
+            abort(403);
+        }
+
         $user = User::findOrFail($ejaculation->user_id);
         $ejaculation->tags()->detach();
         $ejaculation->delete();

app/Policies/EjaculationPolicy.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace App\Policies;
+
+use App\Ejaculation;
+use App\User;
+use Illuminate\Auth\Access\HandlesAuthorization;
+
+class EjaculationPolicy
+{
+    use HandlesAuthorization;
+
+    /**
+     * Create a new policy instance.
+     *
+     * @return void
+     */
+    public function __construct()
+    {
+        //
+    }
+
+    public function edit(User $user, Ejaculation $ejaculation): bool
+    {
+        return $user->id === $ejaculation->user_id;
+    }
+}

app/Providers/AuthServiceProvider.php

@@ -2,6 +2,8 @@
 
 namespace App\Providers;
 
+use App\Ejaculation;
+use App\Policies\EjaculationPolicy;
 use Illuminate\Foundation\Support\Providers\AuthServiceProvider as ServiceProvider;
 use Illuminate\Support\Facades\Gate;
 
@@ -14,6 +16,7 @@ class AuthServiceProvider extends ServiceProvider
      */
     protected $policies = [
         'App\Model' => 'App\Policies\ModelPolicy',
+        Ejaculation::class => EjaculationPolicy::class,
     ];
 
     /**