init commit

app/Models/Permission.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class Permission extends Model
+{
+    use HasFactory;
+
+    protected $fillable = [
+        'name',
+        'display_name',
+        'description',
+        'is_wildcard'
+    ];
+
+    protected $casts = [
+        'is_wildcard' => 'boolean'
+    ];
+
+    public function roles()
+    {
+        return $this->belongsToMany(Role::class)->withpivot('granted')->withTimestamps();
+    }
+
+    public function users()
+    {
+        return $this->belongsToMany(User::class)->withPivot('granted')->withTimestamps();
+    }
+
+    public function matches($permission)
+    {
+        if (!$this->is_wildcard) {
+            return $this->name === $permission;
+        }
+
+        $pattern = str_replace('*', '.*', $this->name);
+        return preg_match('/^' . $pattern . '$/', $permission);
+    }
+}