public override async Task OnActionExecutionAsync(ActionExecutingContext context, ActionExecutionDelegate next)
{
IAuditStore auditStore = null;
AuditOperation auditedOperation = null;
// 必须保证审计和业务用的是不同的 DbContext 不然，会导致数据异常入库
using var scope = context.HttpContext.RequestServices.CreateScope();
if (Conts.MethodDict.ContainsKey(context.HttpContext.Request.Method))
{
auditStore = scope.ServiceProvider.GetService <IAuditStore>();
if (auditStore == null)
{
throw new MicroserviceFrameworkException("AuditStore is not registered");
}
var ua = context.HttpContext.Request.Headers["User-Agent"].ToString();
var ip = context.GetRemoteIpAddress();
var url = context.HttpContext.Request.GetDisplayUrl();
var deviceId = context.HttpContext.Request.Query["deviceId"].ToString();
var deviceModel = context.HttpContext.Request.Query["deviceId"].ToString();
var lat = context.HttpContext.Request.Query["lat"].ToString();
var lng = context.HttpContext.Request.Query["lng"].ToString();
auditedOperation = new AuditOperation(
$"{context.HttpContext.Request.Method} {url}", ua, ip,
string.IsNullOrEmpty(deviceModel) ? null : deviceModel,
string.IsNullOrEmpty(deviceId) ? null : deviceId,
double.TryParse(lat, out var a) ? a : null, double.TryParse(lng, out var n) ? n : null);
auditedOperation.SetCreation(
context.HttpContext.User.Identity is { IsAuthenticated: true } and ClaimsIdentity identity
? identity.GetUserId()
: string.Empty);
context.HttpContext.Items.Add("___AuditOperation", auditedOperation);
}
await base.OnActionExecutionAsync(context, next);
// comment: 必须使用 HTTP request scope 的 uow manager 才能获取到审计对象
// comment: 只有有变化的数据才会尝试获取变更对象
if (auditStore != null &&
Conts.MethodDict.ContainsKey(context.HttpContext.Request.Method))
{
var unitOfWork = context.HttpContext.RequestServices.GetService <IUnitOfWork>();
if (unitOfWork != null)
{
auditedOperation.AddEntities(unitOfWork.GetAuditEntities());
}
auditedOperation.End();
await auditStore.AddAsync(auditedOperation);
await auditStore.FlushAsync();
}
}