public async Task <object> GetAsync()
{
bool result = await _featureChecker.IsEnabledAsync("MyApp.PdfReporting");
await _featureChecker.CheckEnabledAsync("MyApp.PdfReporting");
string countLimit1 = await _featureChecker.GetOrNullAsync("MyApp.MaxProductCount");
int countLimit2 = await _featureChecker.GetAsync <int>("MyApp.MaxProductCount");
int countLimit3 = await _featureChecker.GetAsync("MyApp.MaxProductCount", 3);
return(new { result, countLimit1, countLimit2, countLimit3 });
}
public static T Get <T>(
[NotNull] this IFeatureChecker featureChecker,
[NotNull] string name,
T defaultValue = default)
where T : struct
{
return(AsyncHelper.RunSync(() => featureChecker.GetAsync(name, defaultValue)));
}
public override async Task InterceptAsync(IAbpMethodInvocation invocation)
{
if (AbpCrossCuttingConcerns.IsApplied(invocation.TargetObject, AbpCrossCuttingConcerns.FeatureChecking))
{
await invocation.ProceedAsync();
return;
}
var limitFeature = GetRequiresLimitFeature(invocation.Method);
if (limitFeature == null)
{
await invocation.ProceedAsync();
return;
}
// 获取功能限制上限
var limit = await _featureChecker.GetAsync(limitFeature.LimitFeature, limitFeature.DefaultLimit);
// 获取功能限制时长
var interval = await _featureChecker.GetAsync(limitFeature.IntervalFeature, limitFeature.DefaultInterval);
// 必要的上下文参数
var limitFeatureContext = new RequiresLimitFeatureContext(limitFeature.LimitFeature, _options, limitFeature.Policy, interval, limit);
// 检查次数限制
await PreCheckFeatureAsync(limitFeatureContext);
// 执行代理方法
await invocation.ProceedAsync();
// 调用次数递增
// TODO: 使用Redis结合Lua脚本?
await PostCheckFeatureAsync(limitFeatureContext);
}