public async Task Test_PublishAsync()
{
var @event = new EventSample {
Value = "a"
};
await _eventBus.PublishAsync(@event);
Assert.Equal("1:a", @event.Result);
}
public async Task PublishAsync(Type eventType, object eventData, bool onUnitOfWorkComplete = true)
{
if (onUnitOfWorkComplete && UnitOfWorkManager.Current != null)
{
AddToUnitOfWork(
UnitOfWorkManager.Current,
new UnitOfWorkEventRecord(eventType, eventData, EventOrderGenerator.GetNext())
);
return;
}
await _localEventBus.PublishAsync(eventType, eventData, onUnitOfWorkComplete : false);
}
public async Task <object> Init(ClientInitRequestDto input)
{
var appName = _httpContextAccessor?.HttpContext.Request.Headers["AppName"].FirstOrDefault();
await _eventBus.PublishAsync(new ClientInitEvent(input));
var apps = _appDefinitionManager.GetAll();
var shops = await _shopRepository.GetListAsync();
var categories = await _categoryRepository.GetPublicListAsync(new MallRequestDto()
{
ShopId = input.ShopId, AppName = appName
});
var spus = await _spuRepository.Include(x => x.Skus).ToListAsync();
return(new
{
shops = ObjectMapper.Map <List <MallShop>, List <MallShopDto> >(shops),
apps,
appName,
categories,
spus = ObjectMapper.Map <List <ProductSpu>, List <ProductSpuDtoBase> >(spus),
});
}
public async Task PublishLocalEventsAsync(IEnumerable <UnitOfWorkEventRecord> localEvents)
{
foreach (var localEvent in localEvents)
{
await _localEventBus.PublishAsync(localEvent.EventType, localEvent.EventData, onUnitOfWorkComplete : false);
}
}
private async Task PublishPostChangedEventAsync(Guid blogId)
{
await _localEventBus.PublishAsync(
new PostChangedEvent
{
BlogId = blogId
});
}
public override async Task OnRefundStartedAsync(Payment payment, Refund refund)
{
using var uow = _unitOfWorkManager.Begin(isTransactional: true);
uow.OnCompleted(async() =>
{
await _localEventBus.PublishAsync(new WeChatPayRefundEto(payment.Id, refund));
});
await uow.CompleteAsync();
}
public virtual Task OnRefundStartedAsync(Payment payment, IEnumerable <Refund> refunds, string displayReason = null)
{
_unitOfWorkManager.Current.OnCompleted(async() =>
{
await _localEventBus.PublishAsync(new WeChatPayRefundEto
{
PaymentId = payment.Id,
Refunds = refunds,
DisplayReason = displayReason
});
});
return(Task.CompletedTask);
}
public async Task Test_PublishAsync()
{
var event1 = new EventSample {
Value = "a"
};
var event2 = new EventSample2();
var event3 = new EventSample3();
var events = new List <IEvent> {
event1, event2, event3
};
await _eventBus.PublishAsync(events);
Assert.Equal("1:a", event1.Result);
Assert.Equal("23", event2.Result);
Assert.Equal("54", event3.Result);
}
public async Task <object> Init(ClientInitRequestDto input)
{
await _eventBus.PublishAsync(new ClientInitEvent(input));
var apps = await _appProvider.GetAllAsync();
var shops = await _shopRepository.GetListAsync();
var appName = _httpContextAccessor?.HttpContext.Request.Headers["AppName"].FirstOrDefault();
return(new
{
shops = ObjectMapper.Map <List <MallShop>, List <MallShopDto> >(shops),
apps, appName
});
}
public async Task PublishAsync(Type eventType, object eventData)
{
var eventName = eventType.GetCustomAttribute <EventNameAttribute>().Name;
if (!_eventTypeCollection.ContainsKey(eventName))
{
return;
}
var eventTypeList = _eventTypeCollection[eventName];
var eventJson = JsonConvert.SerializeObject(eventData);
foreach (var eType in eventTypeList)
{
var newEventData = JsonConvert.DeserializeObject(eventJson, eType);
await _localEventBus.PublishAsync(eType, newEventData);
}
}
public virtual async Task <File> ChangeAsync(File file, string newFileName, string newMimeType, byte[] newFileContent, File oldParent, File newParent)
{
Check.NotNullOrWhiteSpace(newFileName, nameof(File.FileName));
if (file.ParentId != oldParent?.Id)
{
throw new IncorrectParentException(oldParent);
}
var configuration = _configurationProvider.Get(file.FileContainerName);
CheckFileName(newFileName, configuration);
CheckDirectoryHasNoFileContent(file.FileType, newFileContent);
if (newFileName != file.FileName || newParent?.Id != file.ParentId)
{
await CheckFileNotExistAsync(newFileName, newParent?.Id, file.FileContainerName, file.OwnerUserId);
}
if (oldParent != newParent)
{
await CheckNotMovingDirectoryToSubDirectoryAsync(file, newParent);
}
var oldBlobName = file.BlobName;
var blobName = await _fileBlobNameGenerator.CreateAsync(file.FileType, newFileName, newParent, newMimeType,
configuration.AbpBlobDirectorySeparator);
_unitOfWorkManager.Current.OnCompleted(async() =>
await _localEventBus.PublishAsync(new FileBlobNameChangedEto
{
FileId = file.Id,
FileContainerName = file.FileContainerName,
OldBlobName = oldBlobName,
NewBlobName = blobName
}));
var hashString = _fileContentHashProvider.GetHashString(newFileContent);
file.UpdateInfo(newFileName, newMimeType, file.SubFilesQuantity, newFileContent?.LongLength ?? 0,
hashString, blobName, oldParent, newParent);
return(file);
}
public async Task OnExceptionAsync(ExceptionContext context)
{
if (!context.ExceptionHandled)
{
await _localEventBus.PublishAsync(new CustomerExceptionEvent(context.Exception,
context.ActionDescriptor?.DisplayName));
ApiResponseModel model = ApiResponseModel.Create(
HttpStateCode.Status500InternalServerError,
CommonResponseType.Status500InternalServerError);
context.Result = new ContentResult
{
Content = JsonConvert.SerializeObject(model),
StatusCode = StatusCodes.Status200OK,
ContentType = "application/json; charset=utf-8"
};
}
context.ExceptionHandled = true;
await Task.CompletedTask;
}
public Task PublishAsync <TEvent> (TEvent eventData)
where TEvent : class
{
return(_localEventBus.PublishAsync(eventData));
}
public override async Task Execute(IJobExecutionContext context)
{
Logger.LogInformation("开始抓取热点数据...");
var tasks = new List <Task <HotItemDto <object> > >();
var web = new HtmlWeb();
web.PreRequest += delegate(HttpWebRequest request)
{
request.AutomaticDecompression = DecompressionMethods.Deflate | DecompressionMethods.GZip;
return(true);
};
foreach (var item in Hot.KnownSources.Dictionary)
{
var task = await Task.Factory.StartNew(async() =>
{
var result = new object();
var source = item.Key;
var url = item.Value;
try
{
switch (source)
{
case Hot.KnownSources.v2ex or Hot.KnownSources.juejin or Hot.KnownSources.csdn or Hot.KnownSources.zhihu or Hot.KnownSources.huxiu or Hot.KnownSources.douyin or Hot.KnownSources.woshipm or Hot.KnownSources.kaiyan:
{
using var client = _httpClient.CreateClient("hot");
client.DefaultRequestHeaders.Add("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36 Edg/87.0.664.66");
switch (source)
{
case not Hot.KnownSources.juejin:
result = await client.GetStringAsync(url);
break;
default:
{
var content = new ByteArrayContent("{\"id_type\":2,\"client_type\":2608,\"sort_type\":3,\"cursor\":\"0\",\"limit\":20}".GetBytes());
content.Headers.ContentType = new MediaTypeHeaderValue("application/json");
var response = await client.PostAsync(url, content);
result = await response.Content.ReadAsStringAsync();
break;
}
}
break;
}
default:
{
var encoding = source is Hot.KnownSources.baidu or Hot.KnownSources.news163 or Hot.KnownSources.pojie52 or Hot.KnownSources.gaoloumi ? Encoding.GetEncoding("GB2312") : Encoding.UTF8;
result = await web.LoadFromWebAsync(url, encoding);
break;
}
}
}
catch (Exception)
{
result = string.Empty;
}
return(new HotItemDto <object>
{
Source = item.Key,
Result = result
});
});
tasks.Add(task);
}
Task.WaitAll(tasks.ToArray());
var hots = new List <Hot>();
Parallel.ForEach(tasks, new ParallelOptions {
MaxDegreeOfParallelism = 10
}, async task =>
{
var item = await task;
var source = item.Source;
var result = item.Result;
if (result.ToString().IsNullOrEmpty())
{
Logger.LogError($"抓取失败：{source}...");
return;
}
var hot = new Hot()
{
Source = source
};
async Task SaveAsync()
{
await _hots.DeleteAsync(x => x.Source == source, autoSave: true);
await _hots.InsertAsync(hot);
Logger.LogInformation($"成功抓取：{source}，{hot.Datas.Count} 条数据.");
}
try
{
switch (source)
{
case Hot.KnownSources.cnblogs:
{
var html = result as HtmlDocument;
var nodes = html.DocumentNode.SelectNodes("//div[@id='post_list']/article/section/div/a").ToList();
nodes.ForEach(x =>
{
hot.Datas.Add(new Data
{
Title = x.InnerText,
Url = x.GetAttributeValue("href", string.Empty)
});
});
await SaveAsync();
break;
}
case Hot.KnownSources.v2ex:
{
var json = result as string;
var nodes = JArray.Parse(json);
foreach (var node in nodes)
{
hot.Datas.Add(new Data
{
Title = node["title"].ToString(),
Url = node["url"].ToString()
});
}
await SaveAsync();
break;
}
case Hot.KnownSources.segmentfault:
{
var html = result as HtmlDocument;
var nodes = html.DocumentNode.SelectNodes("//div[@class='news-list']/div/div/a[2]").ToList();
nodes.ForEach(x =>
{
hot.Datas.Add(new Data
{
Title = x.SelectSingleNode(".//div/h4").InnerText,
Url = $"https://segmentfault.com{x.GetAttributeValue("href", "")}"
});
});
await SaveAsync();
break;
}
case Hot.KnownSources.weixin:
{
var html = result as HtmlDocument;
var nodes = html.DocumentNode.SelectNodes("//ul[@class='news-list']/li/div[@class='txt-box']/h3/a").ToList();
nodes.ForEach(x =>
{
hot.Datas.Add(new Data
{
Title = x.InnerText,
Url = x.GetAttributeValue("href", "")
});
});
await SaveAsync();
break;
}
case Hot.KnownSources.douban:
{
var html = result as HtmlDocument;
var nodes = html.DocumentNode.SelectNodes("//div[@class='channel-item']/div[@class='bd']/h3/a").ToList();
nodes.ForEach(x =>
{
hot.Datas.Add(new Data
{
Title = x.InnerText,
Url = x.GetAttributeValue("href", "")
});
});
await SaveAsync();
break;
}
case Hot.KnownSources.ithome:
{
var html = result as HtmlDocument;
var nodes = html.DocumentNode.SelectNodes("//div[@id='rank']/ul[@id='d-1']/li//a").ToList();
nodes.ForEach(x =>
{
hot.Datas.Add(new Data
{
Title = x.InnerText,
Url = x.GetAttributeValue("href", "")
});
});
await SaveAsync();
break;
}
case Hot.KnownSources.oschina:
{
var html = result as HtmlDocument;
var nodes = html.DocumentNode.SelectNodes("//div[@class='ui items']/div/div/a").ToList();
nodes.ForEach(x =>
{
hot.Datas.Add(new Data
{
Title = x.InnerText,
Url = x.GetAttributeValue("href", "")
});
});
await SaveAsync();
break;
}
case Hot.KnownSources.kr36:
{
var html = result as HtmlDocument;
var nodes = html.DocumentNode.SelectNodes("//div[@class='list-wrapper']/div[@class='list-section-wrapper']/div[@class='article-list']/div/div/div/div/div/p/a").ToList();
nodes.ForEach(x =>
{
var url = $"https://36kr.com{x.GetAttributeValue("href", "")}";
if (!hot.Datas.Any(d => d.Url == url))
{
hot.Datas.Add(new Data
{
Title = x.InnerText,
Url = url
});
}
});
await SaveAsync();
break;
}
case Hot.KnownSources.baidu:
{
var html = result as HtmlDocument;
var nodes = html.DocumentNode.SelectNodes("//table[@class='list-table']//tr/td[@class='keyword']/a[@class='list-title']").ToList();
nodes.ForEach(x =>
{
hot.Datas.Add(new Data
{
Title = x.InnerText,
Url = x.GetAttributeValue("href", "")
});
});
await SaveAsync();
break;
}
case Hot.KnownSources.tieba:
{
var html = result as HtmlDocument;
var nodes = html.DocumentNode.SelectNodes("//ul[@class='topic-top-list']/li//a").ToList();
nodes.ForEach(x =>
{
hot.Datas.Add(new Data
{
Title = x.InnerText,
Url = x.GetAttributeValue("href", "").Replace("amp;", "")
});
});
await SaveAsync();
break;
}
case Hot.KnownSources.weibo:
{
var html = result as HtmlDocument;
var nodes = html.DocumentNode.SelectNodes("//table/tbody/tr/td[2]/a").ToList();
nodes.ForEach(x =>
{
var url = x.GetAttributeValue("href", "");
if (url == "javascript:void(0);")
{
url = x.GetAttributeValue("href_to", "");
}
hot.Datas.Add(new Data
{
Title = x.InnerText,
Url = $"https://s.weibo.com{url}"
});
});
await SaveAsync();
break;
}
case Hot.KnownSources.juejin:
{
var json = result as string;
var nodes = JObject.Parse(json)["data"];
foreach (var node in nodes)
{
if ((int)node["item_type"] == 14)
{
continue;
}
hot.Datas.Add(new Data
{
Title = node["item_info"]["article_info"]["title"].ToString(),
Url = $"https://juejin.cn/post/{node["item_info"]["article_id"]}"
});
}
await SaveAsync();
break;
}
case Hot.KnownSources.csdn:
{
var json = result as string;
var nodes = JObject.Parse(json)["data"];
foreach (var node in nodes)
{
hot.Datas.Add(new Data
{
Title = node["articleTitle"].ToString(),
Url = node["articleDetailUrl"].ToString()
});
}
await SaveAsync();
break;
}
case Hot.KnownSources.toutiao:
{
var html = result as HtmlDocument;
var nodes = html.DocumentNode.SelectNodes("//div[@class='posts']/div[@class='post']/div[@class='content']/h3/a").ToList();
nodes.ForEach(x =>
{
hot.Datas.Add(new Data
{
Title = x.InnerText,
Url = $"https://toutiao.io{x.GetAttributeValue("href", "")}"
});
});
await SaveAsync();
break;
}
case Hot.KnownSources.imooc:
{
var html = result as HtmlDocument;
var nodes = html.DocumentNode.SelectNodes("//div[@class='articleCon js-usercard-box']/div/div/a[@class='title']").ToList();
nodes.ForEach(x =>
{
hot.Datas.Add(new Data
{
Title = x.InnerText,
Url = $"https://www.imooc.com{x.GetAttributeValue("href", "")}"
});
});
await SaveAsync();
break;
}
case Hot.KnownSources.zhihu:
{
var json = result as string;
var nodes = JObject.Parse(json)["data"];
foreach (var node in nodes)
{
hot.Datas.Add(new Data
{
Title = node["target"]["title"].ToString(),
Url = $"https://www.zhihu.com/question/{node["target"]["id"]}"
});
}
await SaveAsync();
break;
}
case Hot.KnownSources.zhihudaily:
{
var html = result as HtmlDocument;
var nodes = html.DocumentNode.SelectNodes("//div[@class='box']/a").ToList();
nodes.ForEach(x =>
{
hot.Datas.Add(new Data
{
Title = x.InnerText,
Url = $"https://daily.zhihu.com{x.GetAttributeValue("href", "")}"
});
});
await SaveAsync();
break;
}
case Hot.KnownSources.news163:
{
var html = result as HtmlDocument;
var nodes = html.DocumentNode.SelectNodes("//div[@class='area-half left']/div[@class='tabBox']/div[@class='tabContents active']/table//tr/td[1]/a").ToList();
nodes.ForEach(x =>
{
hot.Datas.Add(new Data
{
Title = x.InnerText,
Url = x.GetAttributeValue("href", "")
});
});
await SaveAsync();
break;
}
case Hot.KnownSources.sspai:
{
var html = result as HtmlDocument;
var nodes = html.DocumentNode.SelectNodes("//div[@class='article']/div[@class='articleCard']/div/div/div/div[@class='card_content']/a").ToList();
nodes.ForEach(x =>
{
hot.Datas.Add(new Data
{
Title = x.InnerText,
Url = $"https://sspai.com{x.GetAttributeValue("href", "")}",
});
});
await SaveAsync();
break;
}
case Hot.KnownSources.woshipm:
{
var json = result as string;
var nodes = JObject.Parse(json)["payload"];
foreach (var node in nodes)
{
hot.Datas.Add(new Data
{
Title = node["title"].ToString(),
Url = node["permalink"].ToString()
});
}
await SaveAsync();
break;
}
case Hot.KnownSources.huxiu:
{
var json = result as string;
var nodes = JObject.Parse(json)["data"];
foreach (var node in nodes)
{
hot.Datas.Add(new Data
{
Title = node["title"].ToString(),
Url = $"https://www.huxiu.com/article/{node["aid"]}.html",
});
}
await SaveAsync();
break;
}
case Hot.KnownSources.jandan:
{
var html = result as HtmlDocument;
var content = HttpUtility.UrlDecode(html.DocumentNode.SelectSingleNode("//div[@id='list-hotposts']").InnerHtml);
content = content.Replace("<script>", "")
.Replace("</script>", "")
.Replace("document.write(decodeURIComponent('", "")
.Replace("'));", "");
html.LoadHtml(content);
var nodes = html.DocumentNode.SelectNodes("//li/a").ToList();
nodes.ForEach(x =>
{
hot.Datas.Add(new Data
{
Title = x.InnerText,
Url = x.GetAttributeValue("href", ""),
});
});
await SaveAsync();
break;
}
case Hot.KnownSources.pojie52:
{
var html = result as HtmlDocument;
var nodes = html.DocumentNode.SelectNodes("//div[@class='tl']/table/tr/th/a").ToList();
nodes.ForEach(x =>
{
hot.Datas.Add(new Data
{
Title = x.InnerText,
Url = $"https://www.52pojie.cn/{x.GetAttributeValue("href", "")}"
});
});
await SaveAsync();
break;
}
case Hot.KnownSources.tianya:
{
var html = result as HtmlDocument;
var nodes = html.DocumentNode.SelectNodes("//div[@id='main']/div[@class='mt5']/table/tbody/tr/td[1]/a").ToList();
nodes.ForEach(x =>
{
hot.Datas.Add(new Data
{
Title = x.InnerText,
Url = $"http://bbs.tianya.cn/{x.GetAttributeValue("href", "")}"
});
});
await SaveAsync();
break;
}
case Hot.KnownSources.lssdjt:
{
var html = result as HtmlDocument;
var nodes = html.DocumentNode.SelectNodes("//div[@class='list']/li/a").ToList();
nodes.ForEach(x =>
{
hot.Datas.Add(new Data
{
Title = x.InnerText,
Url = $"http://m.lssdjt.com{x.GetAttributeValue("href", "")}"
});
});
await SaveAsync();
break;
}
case Hot.KnownSources.bilibili:
{
var html = result as HtmlDocument;
var nodes = html.DocumentNode.SelectNodes("//ul[@class='rank-list']/li/div/div[@class='info']/a").ToList();
nodes.ForEach(x =>
{
hot.Datas.Add(new Data
{
Title = x.InnerText,
Url = $"https{x.GetAttributeValue("href", "")}"
});
});
await SaveAsync();
break;
}
case Hot.KnownSources.douyin:
{
var json = result as string;
var nodes = JObject.Parse(json)["aweme_list"];
foreach (var node in nodes)
{
hot.Datas.Add(new Data
{
Title = node["aweme_info"]["desc"].ToString(),
Url = node["aweme_info"]["share_url"].ToString()
});
}
await SaveAsync();
break;
}
case Hot.KnownSources.kaiyan:
{
var json = result as string;
var nodes = JObject.Parse(json)["dailyList"].FirstOrDefault()["videoList"];
foreach (var node in nodes)
{
hot.Datas.Add(new Data
{
Title = node["title"].ToString(),
Url = $"https://www.kaiyanapp.com/detail.html?vid={node["id"]}"
});
}
await SaveAsync();
break;
}
case Hot.KnownSources.gaoloumi:
{
var html = result as HtmlDocument;
var nodes = html.DocumentNode.SelectNodes("//div[@class='tl']/table/tr/th/a").ToList();
nodes.ForEach(x =>
{
hot.Datas.Add(new Data
{
Title = x.InnerText,
Url = $"http://gaoloumi.cc/{x.GetAttributeValue("href", "").Replace("amp;", "")}"
});
});
await SaveAsync();
break;
}
case Hot.KnownSources.github:
{
var html = result as HtmlDocument;
var nodes = html.DocumentNode.SelectNodes("//article[@class='Box-row']/h1/a").ToList();
nodes.ForEach(x =>
{
hot.Datas.Add(new Data
{
Title = x.InnerText.Replace("\n", "").Replace(" ", ""),
Url = $"https://github.com{x.GetAttributeValue("href", "")}",
});
});
await SaveAsync();
break;
}
}
}
catch (Exception)
{
Logger.LogError($"结果解析失败：{source}...");
return;
}
});
await _localEventBus.PublishAsync(new HotWorkerEventData());
await Task.CompletedTask;
}
public async Task ResetAsync()
{
await _localEventBus.PublishAsync(
new CurrentApplicationConfigurationCacheResetEventData()
);
}
public Task PublishAsync <TEvent>(TEvent eventData, bool onUnitOfWorkComplete = true)
where TEvent : class
{
return(_localEventBus.PublishAsync(eventData, onUnitOfWorkComplete));
}
/// <summary>
/// 接收添加用户事件,发布本地事件
/// </summary>
/// <param name="eventData"></param>
/// <returns></returns>
public async Task HandleEventAsync(EntityCreatedEto <UserEto> eventData)
{
var localUserCreateEventData = new EntityCreatedEventData <UserEto>(eventData.Entity);
await _localEventBus.PublishAsync(localUserCreateEventData);
}
public async Task Query_TransactionResult_On_Irreversible_Chain()
{
var tx1 = _kernelTestHelper.GenerateTransaction();
var(block11, results11) =
GetNextBlockWithTransactionAndResults(_kernelTestHelper.BestBranchBlockList.Last().Header, new[] { tx1 });
var tx2 = _kernelTestHelper.GenerateTransaction();
var(block12, results12) =
GetNextBlockWithTransactionAndResults(block11.Header, new[] { tx2 });
// Add block 1
await AddTransactionResultsWithPreMiningAsync(block11, new[] { results11.First() });
// Add block 2
await AddTransactionResultsWithPostMiningAsync(block12, new[] { results12.First() });
#region Before LIB
// Before LIB, transaction result is saved with PreMiningHash but not with PostMiningHash (normal BlockHash)
{
var queried = await _transactionResultService.GetTransactionResultAsync(tx2.GetHash());
queried.ShouldBe(results12.First());
// PreMiningHash
var resultWithPreMiningHash =
await _transactionResultManager.GetTransactionResultAsync(tx1.GetHash(),
block11.Header.GetPreMiningHash());
resultWithPreMiningHash.ShouldBe(results11.First());
// PostMiningHash
var resultWithPostMiningHash =
await _transactionResultManager.GetTransactionResultAsync(tx1.GetHash(),
block11.Header.GetHash());
resultWithPostMiningHash.ShouldBeNull();
}
#endregion
await _localEventBus.PublishAsync(new NewIrreversibleBlockFoundEvent()
{
BlockHash = block11.GetHash(),
BlockHeight = block11.Height
});
#region After LIB
// After LIB, transaction result is re-saved with PostMiningHash (normal BlockHash)
{
var queried = await _transactionResultService.GetTransactionResultAsync(tx2.GetHash());
queried.ShouldBe(results12.First());
// PreMiningHash
var resultWithPreMiningHash =
await _transactionResultManager.GetTransactionResultAsync(tx1.GetHash(),
block11.Header.GetPreMiningHash());
resultWithPreMiningHash.ShouldBeNull();
// PostMiningHash
var resultWithPostMiningHash =
await _transactionResultManager.GetTransactionResultAsync(tx1.GetHash(),
block11.Header.GetHash());
resultWithPostMiningHash.ShouldBe(results11.First());
}
#endregion
}
