Add FreezePricing

MarketDataLib/Helper/MarketDataHelper.cs

@@ -1,4 +1,4 @@
-using System;
+using System;                                                                                                                 
 using System.IO;
 using System.Collections.Generic;
 using System.Text;
@@ -4380,8 +4380,6 @@ namespace MarketData.Helper
         memoryStream = new MemoryStream(streamBytes);
         HtmlDocument htmlDocument = new HtmlDocument();
         htmlDocument.Load(memoryStream);
- //       HtmlNodeCollection nodeCollection = htmlDocument.DocumentNode.SelectNodes("//*[@class=\"snapshot-table2\"]");
-//        HtmlNodeCollection nodeCollection = htmlDocument.DocumentNode.SelectNodes("//*[@class=\"snapshot-table2 screener_snapshot-table-body\"]");
         HtmlNodeCollection nodeCollection = htmlDocument.DocumentNode.SelectNodes("//*[@class=\"js-snapshot-table snapshot-table2 screener_snapshot-table-body\"]");
         if(null==nodeCollection || nodeCollection.Count<1)return null;
         fundamental.AsOf=DateTime.Now;
@@ -4790,6 +4788,13 @@ namespace MarketData.Helper
     private delegate Price LatestPriceDelegate(String symbol);
 		public static Price GetLatestPrice(String symbol)
 		{
+      if(null==symbol)return null;
+      CompanyProfile companyProfile=CompanyProfileDA.GetCompanyProfile(symbol);
+      if(null!=companyProfile && companyProfile.FreezePricing)
+      {
+        MDTrace.WriteLine(LogLevel.DEBUG,String.Format("Pricing for {0} is frozen.",symbol));
+        return null;
+      }
       DateTime currentMarketDate=PremarketDA.GetLatestMarketDate();
 		  LatestPriceDelegate[] latestPriceDelegates=new LatestPriceDelegate[]{GetLatestPriceYahoo,GetLatestPriceBigCharts,GetLatestPriceGoogle};
 			Price latestPrice=null;
@@ -4811,7 +4816,7 @@ namespace MarketData.Helper
 			}
       latestPrice=GetPriceAsOf(symbol,currentMarketDate);       // try to get the price from MarketWatch historical feed using todays date
       if(null!=latestPrice && latestPrice.Date.Date.Equals(currentMarketDate.Date)) return latestPrice;
-      CompanyProfile companyProfile=CompanyProfileDA.GetCompanyProfile(symbol);
+      
       if(null!=companyProfile && companyProfile.CanRollPrevious)
       {
         latestPrice=PricingMarketDataHelper.RollPriceForward(symbol);
@@ -4824,7 +4829,6 @@ namespace MarketData.Helper
 // ******************** L A T E S T   P R I C E   R E T R I E V A L   F O R   I N T R A - D A Y   F E E D ********
 // ***************************************************************************************************************
 
-
     public static Price GetLatestPriceYahoo(String symbol)
     {
       HttpNetResponse httpNetResponse=null;
@@ -5297,6 +5301,14 @@ namespace MarketData.Helper
     public static Prices GetPricesAsOf(String symbol, DateTime startDate,DateTime endDate)
     {
       Prices prices=new Prices();
+
+      if(null==symbol)return null;
+      CompanyProfile companyProfile=CompanyProfileDA.GetCompanyProfile(symbol);
+      if(null!=companyProfile && companyProfile.FreezePricing)
+      {
+        MDTrace.WriteLine(LogLevel.DEBUG,String.Format("Pricing for {0} is frozen.",symbol));
+        return null;
+      }
       DateGenerator dateGenerator=new DateGenerator();
       List<DateTime> dates=dateGenerator.GenerateHistoricalDates(startDate,endDate);
       for(int index=0;index<dates.Count;index++)
@@ -5318,6 +5330,12 @@ namespace MarketData.Helper
         StringBuilder sb = null;
 
         if (null == symbol) return null;
+        CompanyProfile companyProfile=CompanyProfileDA.GetCompanyProfile(symbol);
+        if(null!=companyProfile && companyProfile.FreezePricing)
+        {
+          MDTrace.WriteLine(LogLevel.DEBUG,String.Format("Pricing for {0} is frozen.",symbol));
+          return null;
+        }
         String requestSymbol=symbol;
         if(requestSymbol.StartsWith("^"))requestSymbol=requestSymbol.Substring(1);
         sb = new StringBuilder();
@@ -5375,10 +5393,16 @@ namespace MarketData.Helper
 //********************************************************************************************************************************************************************************************************
 // ******************************************************************************** H I S T O R I C A L  P R I C I N G  Y A H O O  *********************************************************************
 //********************************************************************************************************************************************************************************************************
-// Implemented 06/10/2022
 
     public static Price GetDailyPrice(String symbol,DateTime pricingDate)
     {
+      if(null==symbol)return null;
+      CompanyProfile companyProfile=CompanyProfileDA.GetCompanyProfile(symbol);
+      if(null!=companyProfile && companyProfile.FreezePricing)
+      {
+        MDTrace.WriteLine(LogLevel.DEBUG,String.Format("Pricing for {0} is frozen.",symbol));
+        return null;
+      }
       Prices prices=GetDailyPrices(symbol,pricingDate,pricingDate);
       if(null==prices||0==prices.Count)return null;
       Price price=prices.FirstOrDefault();
@@ -5395,6 +5419,13 @@ namespace MarketData.Helper
       HttpNetResponse httpNetResponse=null;
       try
       {
+         if(symbol==null)return null;
+         CompanyProfile companyProfile=CompanyProfileDA.GetCompanyProfile(symbol);
+         if(null!=companyProfile && companyProfile.FreezePricing)
+         {
+           MDTrace.WriteLine(LogLevel.DEBUG,String.Format("Pricing for {0} is frozen.",symbol));
+           return null;
+         }
         startDate=startDate.Date;
         endDate=endDate.Date;
         if(startDate>endDate)