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app/Models/AdminProfile.php

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+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class AdminProfile extends Model
+{
+    use HasFactory;
+
+    /**
+     * 與模型關聯的資料表
+     *
+     * @var string
+     */
+    protected $table = 'admin_profiles';
+
+    /**
+     * 可以被批量賦值的屬性
+     *
+     * @var array
+     */
+    protected $fillable = [
+        'user_id',
+        'position',
+        'department',
+        'permissions',
+    ];
+
+    /**
+     * 應該被轉換的屬性
+     *
+     * @var array
+     */
+    protected $casts = [
+        'permissions' => 'array',
+    ];
+
+    /**
+     * 獲取擁有此管理員資料的用戶
+     */
+    public function user()
+    {
+        return $this->belongsTo(User::class);
+    }
+
+    /**
+     * 檢查管理員是否擁有特定權限
+     *
+     * @param string $permission
+     * @return bool
+     */
+    public function hasPermission($permission)
+    {
+        if (empty($this->permissions)) {
+            return false;
+        }
+
+        return in_array($permission, $this->permissions);
+    }
+
+    /**
+     * 添加權限給管理員
+     *
+     * @param string $permission
+     * @return void
+     */
+    public function addPermission($permission)
+    {
+        $permissions = $this->permissions ?? [];
+        
+        if (!in_array($permission, $permissions)) {
+            $permissions[] = $permission;
+            $this->permissions = $permissions;
+            $this->save();
+        }
+    }
+
+    /**
+     * 移除管理員的權限
+     *
+     * @param string $permission
+     * @return void
+     */
+    public function removePermission($permission)
+    {
+        if (empty($this->permissions)) {
+            return;
+        }
+
+        $permissions = array_filter($this->permissions, function($p) use ($permission) {
+            return $p !== $permission;
+        });
+
+        $this->permissions = array_values($permissions);
+        $this->save();
+    }
+
+    /**
+     * 設定多個權限
+     *
+     * @param array $permissions
+     * @return void
+     */
+    public function setPermissions(array $permissions)
+    {
+        $this->permissions = $permissions;
+        $this->save();
+    }
+
+    /**
+     * 清除所有權限
+     *
+     * @return void
+     */
+    public function clearPermissions()
+    {
+        $this->permissions = [];
+        $this->save();
+    }
+
+    /**
+     * 獲取所有權限
+     *
+     * @return array
+     */
+    public function getPermissions()
+    {
+        return $this->permissions ?? [];
+    }
+}