fixing dal

CashQuotes.sln

@@ -16,6 +16,9 @@ EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Tests", "Tests", "{5D6C294B-BD74-430B-B71E-4F5777070807}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Tests.Unit", "Tests\Tests.Unit\Tests.Unit.csproj", "{B72659D8-AFB6-4180-B248-658B5951B5C4}"
+	ProjectSection(ProjectDependencies) = postProject
+		{10FDA89D-C911-458C-8E3B-B6ACEC9701C5} = {10FDA89D-C911-458C-8E3B-B6ACEC9701C5}
+	EndProjectSection
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "QuoteService", "Services\QuoteService\QuoteService.csproj", "{10FDA89D-C911-458C-8E3B-B6ACEC9701C5}"
 EndProject

Services/QuoteService/QuoteService.csproj

@@ -33,9 +33,6 @@
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
-  <ItemGroup>
-    <!-- A reference to the entire .NET Framework is automatically included -->
-  </ItemGroup>
   <ItemGroup>
     <Compile Include="Interfaces\IQueryBuilder.cs" />
     <Compile Include="Interfaces\IQuoteDataProvider.cs" />
@@ -47,6 +44,17 @@
     <Compile Include="Services\Rbc\QueryBuilder.cs" />
     <Compile Include="Services\Rbc\QuoteDataProvider.cs" />
     <Compile Include="Services\Rbc\QuoteService.cs" />
+    <Compile Include="Utils\ConvertHelper.cs" />
+    <Compile Include="Utils\ExtensionMethods.cs" />
+    <Compile Include="Utils\RequestHelper.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <Reference Include="HtmlAgilityPack">
+      <HintPath>..\..\packages\HtmlAgilityPack.1.4.9\lib\portable-net45+netcore45+wpa81+wp8+MonoAndroid+MonoTouch\HtmlAgilityPack.dll</HintPath>
+    </Reference>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
   </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath32)\Microsoft\Portable\$(TargetFrameworkVersion)\Microsoft.Portable.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 

Services/QuoteService/Services/Rbc/QueryBuilder.cs

@@ -6,13 +6,29 @@ namespace QuoteService.Services.Rbc
 {
 	public class QueryBuilder : IQueryBuilder
 	{
+		private const string DEFAULT_SORT_BY = "DT_LAST_PUBLICATE";
+
+		private const string DEFAULT_SORT_DIRECTION = "DESC";
+
+		private const string BaseURL = "http://quote.rbc.ru/cgi-bin/front/content/cash_currency_rates/";
+
 		public City City { get; set; }
 
 		public Currency Currency { get; set; }
 
 		public string Build()
 		{
-			throw new NotImplementedException();
+			var rand = new Random();
+
+			var url = string.Format("?sortf={0}&sortd={1}&city={2}&currency={3}&summa=&period=60&pagerLimiter=70&pageNumber=1&r=0.0000{4}",
+				DEFAULT_SORT_BY,
+				DEFAULT_SORT_DIRECTION,
+				(int)City,
+				(int)Currency,
+				rand.Next(893933499)
+			);
+
+			return BaseURL + url;
 		}
 	}
 }

Services/QuoteService/Services/Rbc/QuoteDataProvider.cs

@@ -1,5 +1,7 @@
 using System;
+using System.Net.Http;
 using QuoteService.Interfaces;
+using QuoteService.Utils;
 
 namespace QuoteService.Services.Rbc
 {
@@ -19,7 +21,23 @@ public QuoteDataProvider(IQueryBuilder queryBuilder)
 
 		public string GetQuoteDocumentText()
 		{
-			throw new NotImplementedException();
+			var result = string.Empty;
+			var buildUrl = QueryBuilder.Build();
+
+			Uri resourceUri;
+			if (!RequestHelper.TryGetUri(buildUrl, out resourceUri))
+				return null;
+
+			using (var client = new HttpClient())
+			{
+				var response = client.GetAsync(resourceUri).Result;
+				if (response.IsSuccessStatusCode)
+				{
+					result = response.Content.ReadAsStringAsync().Result;
+				}
+			}
+
+			return result;
 		}
 	}
 }

Services/QuoteService/Services/Rbc/QuoteService.cs

@@ -1,7 +1,10 @@
 using System;
 using System.Collections.Generic;
+using System.Linq;
+using HtmlAgilityPack;
 using QuoteService.Interfaces;
 using QuoteService.Models;
+using QuoteService.Utils;
 
 namespace QuoteService.Services.Rbc
 {
@@ -21,7 +24,48 @@ public QuoteService(IQuoteDataProvider provider)
 
 		public IEnumerable<ExchangeData> GetExchangeRates()
 		{
-			throw new NotImplementedException();
+			var result = new List<ExchangeData>();
+			var dataText = DataProvider.GetQuoteDocumentText();
+
+			if (string.IsNullOrEmpty(dataText))
+				return result;
+
+			var doc = new HtmlDocument();
+			doc.LoadHtml(dataText);
+
+			var table = doc.DocumentNode.Descendants("table")
+				.Where(o => o.Attributes["class"] != null && o.Attributes["class"].Value == "common")
+				.FirstOrDefault(o => o.ParentNode.Name == "div" && o.ParentNode.Attributes["id"] != null && o.ParentNode.Attributes["id"].Value == "container_table_rates");
+			if (table != null)
+			{
+				foreach (var row in table.Descendants("tr"))
+				{
+					var cells = row.Descendants("td").ToList();
+					if (cells.Count <= 2)
+						continue;
+
+					var dataItem = new ExchangeData();
+
+					dataItem.Name = cells.ExtractTextForHtmlNodeByClass("name");
+					dataItem.BuyRate = ConvertHelper.ConvertDecimal(cells.ExtractTextForHtmlNodeByClass("pok"));
+					dataItem.SellRate = ConvertHelper.ConvertDecimal(cells.ExtractTextForHtmlNodeByClass("prod"));
+					dataItem.AvailableAmount = ConvertHelper.ConvertDecimal(cells.ExtractTextForHtmlNodeByClass("sum"));
+
+					var date = cells.GetHtmlNodeByClass("time");
+					if (date.Attributes["title"] != null)
+						dataItem.DateCreated = ConvertHelper.ConvertDate(date.Attributes["title"].Value);
+					if (!string.IsNullOrEmpty(date.InnerText))
+					{
+						var time = ConvertHelper.ConvertTime(date.InnerText);
+						if (time != TimeSpan.MinValue)
+							dataItem.DateCreated = dataItem.DateCreated.AddTicks(time.Ticks);
+					}
+
+					result.Add(dataItem);
+				}
+			}
+
+			return result;
 		}
 	}
 }

Services/QuoteService/Utils/ConvertHelper.cs

@@ -0,0 +1,45 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace QuoteService.Utils
+{
+	public class ConvertHelper
+	{
+		public static readonly CultureInfo DefaultCultureInfo = new CultureInfo("ru-RU");
+
+		public static decimal? ConvertDecimal(string text)
+		{
+			if (string.IsNullOrEmpty(text))
+				return null;
+
+			return Decimal.Parse(text, new NumberFormatInfo { NumberDecimalSeparator = "." });
+		}
+
+		public static DateTime ConvertDate(string date)
+		{
+			var result = DateTime.MinValue;
+			if (string.IsNullOrEmpty(date))
+				return result;
+
+			DateTime.TryParse(date, DefaultCultureInfo, DateTimeStyles.None, out result);
+
+			return result;
+		}
+
+		public static TimeSpan ConvertTime(string time)
+		{
+			var result = TimeSpan.MinValue;
+			if (string.IsNullOrEmpty(time))
+				return result;
+
+			TimeSpan.TryParse(time, DefaultCultureInfo, out result);
+
+			return result;
+		}
+
+	}
+}

Services/QuoteService/Utils/ExtensionMethods.cs

@@ -0,0 +1,23 @@
+using System.Collections.Generic;
+using System.Linq;
+using System.Net;
+using HtmlAgilityPack;
+
+namespace QuoteService.Utils
+{
+	public static class HtmlNodeListExtensionMethods
+	{
+		public static HtmlNode GetHtmlNodeByClass<T>(this IList<T> list, string className) where T : HtmlNode
+		{
+			return list.FirstOrDefault(c => c.Attributes["class"] != null && c.Attributes["class"].Value == className);
+		}
+
+		public static string ExtractTextForHtmlNodeByClass<T>(this IList<T> list, string className) where T : HtmlNode
+		{
+			var item = list.GetHtmlNodeByClass(className);
+
+			return item != null ? WebUtility.HtmlDecode(item.InnerText) : string.Empty;
+		}
+
+	}
+}

Services/QuoteService/Utils/RequestHelper.cs

@@ -0,0 +1,31 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace QuoteService.Utils
+{
+	public class RequestHelper
+	{
+		internal static bool TryGetUri(string uriString, out Uri uri)
+		{
+			// Note that this app has both "Internet (Client)" and "Home and Work Networking" capabilities set,
+			// since the user may provide URIs for servers located on the internet or intranet. If apps only
+			// communicate with servers on the internet, only the "Internet (Client)" capability should be set.
+			// Similarly if an app is only intended to communicate on the intranet, only the "Home and Work
+			// Networking" capability should be set.
+			if (!Uri.TryCreate(uriString.Trim(), UriKind.Absolute, out uri))
+			{
+				return false;
+			}
+
+			if (uri.Scheme != "http" && uri.Scheme != "https")
+			{
+				return false;
+			}
+
+			return true;
+		}
+	}
+}

Services/QuoteService/packages.config

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="HtmlAgilityPack" version="1.4.9" targetFramework="portable-net451+win81+wpa81" />
+</packages>