my changes

app/Permission.php

@@ -0,0 +1,112 @@
+<?php
+namespace App;
+
+use Spatie\Permission\Guard;
+use Illuminate\Database\Eloquent\Model;
+use Spatie\Permission\Traits\HasRoles;
+use Spatie\Permission\Traits\RefreshesPermissionCache;
+use Illuminate\Database\Eloquent\Relations\BelongsToMany;
+use Spatie\Permission\PermissionRegistrar;
+use Spatie\Permission\Exceptions\PermissionAlreadyExists;
+use Spatie\Permission\Exceptions\PermissionDoesNotExist;
+use Spatie\Permission\Contracts\Permission as PermissionContract;
+
+class Permission extends Model implements PermissionContract
+{
+    use HasRoles;
+    use RefreshesPermissionCache;
+   
+    public $guarded = ['id'];
+
+    public function __construct(array $attributes = [])
+    {
+        $attributes['guard_name'] = $attributes['guard_name'] ?? config('auth.defaults.guard');
+
+        parent::__construct($attributes);
+
+        $this->setTable(config('permission.table_names.permissions'));
+    }
+
+    public static function create(array $attributes = [])
+    {
+        $attributes['guard_name'] = $attributes['guard_name'] ?? Guard::getDefaultName(static::class);
+        $permission = static::getPermissions()->filter(function ($permission) use ($attributes) {
+            return $permission->name === $attributes['name'] && $permission->guard_name === $attributes['guard_name'];
+        })->first();
+
+        if ($permission) {
+            throw PermissionAlreadyExists::create($attributes['name'], $attributes['guard_name']);
+        }
+        if (isNotLumen() && app()::VERSION < '5.4') {
+            return parent::create($attributes);
+        }
+        return static::query()->create($attributes);
+    }
+
+    /**
+     * A permission can be applied to roles.
+     */
+    public function roles() : BelongsToMany
+    {
+        return $this->belongsToMany(
+            \App\Role::class,
+            config('permission.table_names.role_has_permissions'),
+            'permission_id',
+            'role_id'
+        );
+    }
+
+   
+    
+    public static function findByName(string $name, $guardName = null): PermissionContract
+    {
+        $guardName = $guardName ?? Guard::getDefaultName(static::class);
+
+        $permission = static::getPermissions()
+        ->filter(function ($permission) use ($name, $guardName) {
+            return $permission->name === $name && $permission->guard_name === $guardName;
+        })
+        ->first();
+
+        if (! $permission) {
+            throw PermissionDoesNotExist::create($name, $guardName);
+        }
+
+        return $permission;
+    }
+   
+    public static function findById(int $id, $guardName = null): PermissionContract
+    {
+        $guardName = $guardName ?? Guard::getDefaultName(static::class);
+        $permission = static::getPermissions()
+        ->filter(function ($permission) use ($id, $guardName) {
+            return $permission->id === $id && $permission->guard_name === $guardName;
+        })
+        ->first();
+
+        if (! $permission) {
+            throw PermissionDoesNotExist::withId($id, $guardName);
+        }
+        return $permission;
+    }
+        
+    public static function findOrCreate(string $name, $guardName = null): PermissionContract
+    {
+        $guardName = $guardName ?? Guard::getDefaultName(static::class);
+        $permission = static::getPermissions()
+        ->filter(function ($permission) use ($name, $guardName) {
+            return $permission->name === $name && $permission->guard_name === $guardName;
+        })
+        ->first();
+
+        if (! $permission) {
+            return static::create(['name' => $name, 'guard_name' => $guardName]);
+        }
+        return $permission;
+    }
+       
+    protected static function getPermissions(): Collection
+    {
+        return app(PermissionRegistrar::class)->getPermissions();
+    }
+}