refactor: 角色添加是否系统角色字段相关逻辑

app/admin/controller/v1/Role.php

@@ -227,6 +227,10 @@ class Role
             return error('请确认要操作对象是否存在');
         }
 
+        if (1 == $role->is_system) {
+            return error('该角色禁止删除');
+        }
+
         if (!$role->delete()) {
             return error('操作失败');
         }

app/admin/controller/v1/User.php

@@ -123,7 +123,7 @@ class User
             })
             ->column([
                 'ip',
-                'max(created_at)' => 'created_at'
+                'created_at'
             ], 'user_id');
         if (!empty($logs)) {
             $users->each(function($item) use($logs) {

app/common/model/SysRoleBaseModel.php

@@ -21,6 +21,7 @@ class SysRoleBaseModel extends BaseModel
         'pid'        => 'int',
         'name'       => 'string',
         'desc'       => 'string',
+        'is_system'  => 'int',
         'created_at' => 'datetime',
         'updated_at' => 'datetime',
         'deleted_at' => 'datetime',

database/migrations/20241230062221_create_sys_role.php

@@ -31,6 +31,7 @@ class CreateSysRole extends Migrator
         $table->addColumn('pid', 'integer', ['null' => false, 'default' => 0, 'comment' => '父级ID'])
             ->addColumn('name', 'string', ['limit' => 64, 'null' => false, 'comment' => '角色名称'])
             ->addColumn('desc', 'string', ['limit' => 255, 'null' => false, 'comment' => '角色描述'])
+            ->addColumn('is_system', 'boolean', ['null' => false, 'limit' => 1, 'default' => 0, 'comment' => '是否系统角色:1为是,0为否'])
             ->addColumn('created_at', 'timestamp', ['null' => false, 'default' => 'CURRENT_TIMESTAMP', 'comment' => '创建时间'])
             ->addColumn('updated_at', 'timestamp', ['null' => false, 'default' => 'CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP', 'comment' => '更新时间'])
             ->addColumn('deleted_at', 'timestamp', ['null' => true, 'default' => null, 'comment' => '删除时间'])