我有一个具有许多操作方法的控制器。我的要求是检查数据库中字段的值,如果字段值为“true”,则所有操作方法都可以执行,否则这些操作方法不应该执行。该方法在服务层
public class CustomAttributeFilter : ActionFilterAttribute
{
public override void OnActionExecuting(ActionExecutingContext filterContext)
{
var myFlag = await _adminDB.GetFlagSettingsAsync();
// how do i call async method from OnActionExecuting filter
if (!myFlag)
{
//Create your result
filterContext.Result = new EmptyResult();
}
else
{
base.OnActionExecuting(filterContext);
}
}
}
接口实现
public interface IAdminDB
{
Task<MySettings> GetMySettingsAsync();
}
public class AdminDB : IAdminDB
{
public async Task<MySettings> GetMySettingsAsync()
{
var dbName = _appSettings.AdminDbName;
var blobName = _appSettings.AdminBlobName;
return await _dbStorage.GetBlobAsync<MySettings>(blobName, dbName);
}
}
public class MySettings
{
public bool MyFlag { get; set; }
}
我收到一条错误消息“找不到合适的方法来覆盖”。如何清除此错误以及如何正确注入服务。以上是我尝试过的,对 async 的调用在这里失败了。