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Sean
2025-03-25 21:42:32 -04:00
parent c266eecfeb
commit 30c33d3cfd
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MarketData/MarketDataLib/DataAccess/AnalystRatingsDA.cs Executable file
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using System;
using System.Collections.Generic;
using System.Text;
using MySql.Data.MySqlClient;
using MarketData.MarketDataModel;
using MarketData.Utils;
namespace MarketData.DataAccess
{
public class AnalystRatingsDA
{
private AnalystRatingsDA()
{
}
public static AnalystRatings GetAnalystRatings()
{
MySqlConnection sqlConnection = null;
MySqlDataReader sqlDataReader = null;
MySqlCommand sqlCommand =null;
AnalystRatings analystRatings = new AnalystRatings();
String strQuery = null;
try
{
StringBuilder sb = new StringBuilder();
sqlConnection = SqlUtils.CreateMySqlConnection(MainDataSource.Instance.LocateDataSource("market_data"));
sb.Append("select A.* from ");
sb.Append("(select date,symbol,upper(company),brokerage_firm,type,ratings_change,price_target from analystratings ");
sb.Append(" union ");
sb.Append(" select zr.date,zr.symbol,upper(sm.company) as company,'Zacks' as brokerage_firm,zr.type,zr.zacks_rank as ratings_change,null as price_target from zacksrank zr ");
sb.Append(" left join securitymaster sm on sm.symbol=zr.symbol ");
sb.Append(" where zr.symbol=@symbol and zr.type is not null ");
sb.Append(" )A ");
sb.Append(" order by date desc ");
strQuery = sb.ToString(); ;
sqlCommand = new MySqlCommand(strQuery, sqlConnection);
sqlCommand.CommandTimeout = SqlUtils.COMMAND_TIMEOUT;
sqlDataReader = sqlCommand.ExecuteReader();
while (sqlDataReader.Read())
{
AnalystRating analystRating = new AnalystRating();
analystRating.Date = sqlDataReader.GetDateTime(0);
analystRating.Symbol = sqlDataReader.GetString(1);
analystRating.CompanyName = sqlDataReader.GetString(2);
analystRating.BrokerageFirm = sqlDataReader.GetString(3);
analystRating.Type = sqlDataReader.GetString(4);
analystRating.RatingsChange = sqlDataReader.GetString(5);
if (!sqlDataReader.IsDBNull(6)) analystRating.PriceTarget = sqlDataReader.GetDouble(6);
analystRatings.Add(analystRating);
}
analystRatings.CalculateUpdatePercentiles();
return analystRatings;
}
catch (Exception exception)
{
MDTrace.WriteLine(LogLevel.DEBUG,exception);
return null;
}
finally
{
if(null!=sqlCommand)sqlCommand.Dispose();
if (null != sqlDataReader) sqlDataReader.Close();
if (null != sqlConnection) sqlConnection.Close();
}
}
public static AnalystRatings GetAnalystRatings(String symbol, DateTime minDate,DateTime maxDate)
{
MySqlConnection sqlConnection = null;
MySqlDataReader sqlDataReader = null;
MySqlCommand sqlCommand =null;
AnalystRatings analystRatings = new AnalystRatings();
String strQuery = null;
try
{
StringBuilder sb = new StringBuilder();
sqlConnection = SqlUtils.CreateMySqlConnection(MainDataSource.Instance.LocateDataSource("market_data"));
sb.Append("set @symbol='").Append(symbol).Append("';");
sb.Append("set @minDate='").Append(Utility.DateTimeToStringYYYYHMMHDD(minDate)).Append("';");
sb.Append("set @maxDate='").Append(Utility.DateTimeToStringYYYYHMMHDD(maxDate)).Append("';");
sb.Append(" select A.* from ");
sb.Append(" (select date,symbol,upper(company),brokerage_firm,type,ratings_change,price_target from analystratings where symbol=@symbol ");
sb.Append(" union ");
sb.Append(" select zr.date,zr.symbol,upper(sm.company) as company,'Zacks' as brokerage_firm,zr.type,zr.zacks_rank as ratings_change,null as price_target from zacksrank zr ");
sb.Append(" left join securitymaster sm on sm.symbol=zr.symbol ");
sb.Append(" where zr.symbol=@symbol and zr.type is not null ");
sb.Append(" )A ");
sb.Append(" where A.date>=@minDate and A.date<=@maxDate ");
sb.Append(" order by date ");
//sb.Append(" select A.* from ");
//sb.Append(" (select date,symbol,upper(company),brokerage_firm,type,ratings_change,price_target from analystratings where symbol=").Append(SqlUtils.ToSqlString(symbol));
//sb.Append(" union ");
//sb.Append(" select zr.date,zr.symbol,upper(sm.company) as company,'Zacks' as brokerage_firm,zr.type,zr.zacks_rank as ratings_change,null as price_target from zacksrank zr ");
//sb.Append(" left join securitymaster sm on sm.symbol=zr.symbol ");
//sb.Append(" where zr.symbol=").Append(SqlUtils.ToSqlString(symbol)).Append(" and zr.type is not null ");
//sb.Append(" )A ");
//sb.Append(" where A.date>=").Append(SqlUtils.SqlDate(minDate,true)).Append(" and A.date<=").Append(SqlUtils.SqlDate(maxDate,true));
//sb.Append(" order by date ");
strQuery = sb.ToString(); ;
sqlCommand = new MySqlCommand(strQuery, sqlConnection);
sqlCommand.CommandTimeout = SqlUtils.COMMAND_TIMEOUT;
sqlDataReader = sqlCommand.ExecuteReader();
while (sqlDataReader.Read())
{
AnalystRating analystRating = new AnalystRating();
analystRating.Date = sqlDataReader.GetDateTime(0);
analystRating.Symbol = sqlDataReader.GetString(1);
analystRating.CompanyName = sqlDataReader.GetString(2);
analystRating.BrokerageFirm = sqlDataReader.GetString(3);
analystRating.Type = sqlDataReader.GetString(4);
analystRating.RatingsChange = sqlDataReader.GetString(5);
if (!sqlDataReader.IsDBNull(6)) analystRating.PriceTarget = sqlDataReader.GetDouble(6);
analystRatings.Add(analystRating);
}
analystRatings.CalculateUpdatePercentiles();
return analystRatings;
}
catch (Exception exception)
{
MDTrace.WriteLine(LogLevel.DEBUG,exception);
return null;
}
finally
{
if(null!=sqlCommand)sqlCommand.Dispose();
if (null != sqlDataReader) sqlDataReader.Close();
if (null != sqlConnection) sqlConnection.Close();
}
}
public static DateTime GetMaxDateNoZacks()
{
MySqlConnection sqlConnection = null;
MySqlDataReader sqlDataReader = null;
MySqlCommand sqlCommand = null;
String strQuery = null;
try
{
StringBuilder sb = new StringBuilder();
sqlConnection = SqlUtils.CreateMySqlConnection(MainDataSource.Instance.LocateDataSource("market_data"));
sb.Append("select max(date) from analystratings where brokerage_firm<>'Zacks'");
strQuery = sb.ToString(); ;
sqlCommand = new MySqlCommand(strQuery, sqlConnection);
sqlCommand.CommandTimeout = SqlUtils.COMMAND_TIMEOUT;
sqlDataReader = sqlCommand.ExecuteReader();
if (!sqlDataReader.Read()) return Utility.Epoch;
return sqlDataReader.GetDateTime(0);
}
catch (Exception exception)
{
MDTrace.WriteLine(LogLevel.DEBUG, exception);
return Utility.Epoch;
}
finally
{
if (null != sqlCommand) sqlCommand.Dispose();
if (null != sqlDataReader) sqlDataReader.Close();
if (null != sqlConnection) sqlConnection.Close();
}
}
public static AnalystRatings GetAnalystRatingsMaxDateNoZacks(String symbol,DateTime maxDate)
{
MySqlConnection sqlConnection = null;
MySqlDataReader sqlDataReader = null;
MySqlCommand sqlCommand =null;
AnalystRatings analystRatings = new AnalystRatings();
String strQuery = null;
try
{
StringBuilder sb = new StringBuilder();
sqlConnection = SqlUtils.CreateMySqlConnection(MainDataSource.Instance.LocateDataSource("market_data"));
sb.Append("select date,symbol,upper(company),brokerage_firm,type,ratings_change,price_target from analystratings ");
sb.Append(" where symbol='").Append(symbol).Append("'").Append(" and ");
sb.Append(" date<=").Append("'").Append(Utility.DateTimeToStringYYYYHMMHDD(maxDate)).Append("'").Append(" ");
sb.Append("order by date");
strQuery = sb.ToString(); ;
sqlCommand = new MySqlCommand(strQuery, sqlConnection);
sqlCommand.CommandTimeout = SqlUtils.COMMAND_TIMEOUT;
sqlDataReader = sqlCommand.ExecuteReader();
while (sqlDataReader.Read())
{
AnalystRating analystRating = new AnalystRating();
analystRating.Date = sqlDataReader.GetDateTime(0);
analystRating.Symbol = sqlDataReader.GetString(1);
analystRating.CompanyName = sqlDataReader.GetString(2);
analystRating.BrokerageFirm = sqlDataReader.GetString(3);
analystRating.Type = sqlDataReader.GetString(4);
analystRating.RatingsChange = sqlDataReader.GetString(5);
if (!sqlDataReader.IsDBNull(6)) analystRating.PriceTarget = sqlDataReader.GetDouble(6);
analystRatings.Add(analystRating);
}
analystRatings.CalculateUpdatePercentiles();
return analystRatings;
}
catch (Exception exception)
{
MDTrace.WriteLine(LogLevel.DEBUG,exception);
return null;
}
finally
{
if(null!=sqlCommand)sqlCommand.Dispose();
if (null != sqlDataReader) sqlDataReader.Close();
if (null != sqlConnection) sqlConnection.Close();
}
}
public static AnalystRatings GetAnalystRatingsMaxDate(String symbol,DateTime maxDate)
{
MySqlConnection sqlConnection = null;
MySqlDataReader sqlDataReader = null;
MySqlCommand sqlCommand =null;
AnalystRatings analystRatings = new AnalystRatings();
String strQuery = null;
try
{
StringBuilder sb = new StringBuilder();
sqlConnection = SqlUtils.CreateMySqlConnection(MainDataSource.Instance.LocateDataSource("market_data"));
// sb.Append("set @symbol='").Append(symbol).Append("' COLLATE utf8mb4_unicode_ci ;");
//sb.Append("set @symbol='").Append(symbol).Append("';");
//sb.Append("set @maxDate='").Append(Utility.DateTimeToStringYYYYHMMHDD(maxDate)).Append("';");
//sb.Append(" select A.* from ");
//sb.Append(" (select date,symbol,upper(company),brokerage_firm,type,ratings_change,price_target from analystratings where symbol=@symbol ");
//sb.Append(" union ");
//sb.Append(" select zr.date,zr.symbol,upper(sm.company) as company,'Zacks' as brokerage_firm,zr.type,zr.zacks_rank as ratings_change,null as price_target from zacksrank zr ");
//sb.Append(" left join securitymaster sm on sm.symbol=zr.symbol ");
//sb.Append(" where zr.symbol=@symbol and zr.type is not null ");
//sb.Append(" )A ");
//sb.Append(" where A.date<=@maxDate ");
//sb.Append(" order by date");
//sb.Append(" select A.* from ");
//sb.Append(" (select date,symbol,upper(company),brokerage_firm,type,ratings_change,price_target from analystratings where symbol=").Append(SqlUtils.ToSqlString(symbol));
//sb.Append(" union ");
//sb.Append(" select zr.date,zr.symbol,upper(sm.company) as company,'Zacks' as brokerage_firm,zr.type,zr.zacks_rank as ratings_change,null as price_target from zacksrank zr ");
//sb.Append(" left join securitymaster sm on sm.symbol=zr.symbol ");
//sb.Append(" where zr.symbol=").Append(SqlUtils.ToSqlString(symbol)).Append(" and zr.type is not null ");
//sb.Append(" )A ");
//sb.Append(" where A.date<=").Append(SqlUtils.SqlDate(maxDate,true));
//sb.Append(" order by date");
sb.Append("set @symbol='").Append(symbol).Append("';");
sb.Append("set @maxDate='").Append(Utility.DateTimeToStringYYYYHMMHDD(maxDate)).Append("';");
sb.Append(" select A.* from ");
sb.Append(" (select date,symbol,upper(company),brokerage_firm,type,ratings_change,price_target from analystratings where symbol=@symbol ");
sb.Append(" union ");
sb.Append(" select zr.date,zr.symbol,upper(sm.company) as company,'Zacks' as brokerage_firm,zr.type,zr.zacks_rank as ratings_change,null as price_target from zacksrank zr ");
sb.Append(" left join securitymaster sm on sm.symbol=zr.symbol ");
sb.Append(" where zr.symbol=@symbol and zr.type is not null ");
sb.Append(" )A ");
sb.Append(" where A.date<=@maxDate ");
sb.Append(" order by date");
strQuery = sb.ToString(); ;
sqlCommand = new MySqlCommand(strQuery, sqlConnection);
sqlCommand.CommandTimeout = SqlUtils.COMMAND_TIMEOUT;
sqlDataReader = sqlCommand.ExecuteReader();
while (sqlDataReader.Read())
{
AnalystRating analystRating = new AnalystRating();
analystRating.Date = sqlDataReader.GetDateTime(0);
analystRating.Symbol = sqlDataReader.GetString(1);
analystRating.CompanyName = sqlDataReader.GetString(2);
analystRating.BrokerageFirm = sqlDataReader.GetString(3);
analystRating.Type = sqlDataReader.GetString(4);
analystRating.RatingsChange = sqlDataReader.GetString(5);
if (!sqlDataReader.IsDBNull(6)) analystRating.PriceTarget = sqlDataReader.GetDouble(6);
analystRatings.Add(analystRating);
}
analystRatings.CalculateUpdatePercentiles();
return analystRatings;
}
catch (Exception exception)
{
MDTrace.WriteLine(LogLevel.DEBUG,exception);
return null;
}
finally
{
if(null!=sqlCommand)sqlCommand.Dispose();
if (null != sqlDataReader) sqlDataReader.Close();
if (null != sqlConnection) sqlConnection.Close();
}
}
public static AnalystRatings GetAnalystRatings(String symbol, DateTime date)
{
MySqlConnection sqlConnection = null;
MySqlDataReader sqlDataReader = null;
MySqlCommand sqlCommand =null;
AnalystRatings analystRatings = new AnalystRatings();
String strQuery = null;
try
{
StringBuilder sb = new StringBuilder();
sqlConnection = SqlUtils.CreateMySqlConnection(MainDataSource.Instance.LocateDataSource("market_data"));
// sb.Append("set @symbol='").Append(symbol).Append("' COLLATE utf8mb4_unicode_ci ;");
sb.Append("set @symbol='").Append(symbol).Append("';");
sb.Append("set @date='").Append(Utility.DateTimeToStringYYYYHMMHDD(date)).Append("';");
sb.Append(" select A.* from ");
sb.Append(" (select date,symbol,upper(company),brokerage_firm,type,ratings_change,price_target from analystratings where symbol=@symbol ");
sb.Append(" union ");
sb.Append(" select zr.date,zr.symbol,upper(sm.company) as company,'Zacks' as brokerage_firm,zr.type,zr.zacks_rank as ratings_change,null as price_target from zacksrank zr ");
sb.Append(" left join securitymaster sm on sm.symbol=zr.symbol ");
sb.Append(" where zr.symbol=@symbol and zr.type is not null ");
sb.Append(" )A ");
sb.Append(" where A.date=@date ");
sb.Append(" order by A.symbol");
//sb.Append(" select A.* from ");
//sb.Append(" (select date,symbol,upper(company),brokerage_firm,type,ratings_change,price_target from analystratings where symbol=").Append(SqlUtils.ToSqlString(symbol));
//sb.Append(" union ");
//sb.Append(" select zr.date,zr.symbol,upper(sm.company) as company,'Zacks' as brokerage_firm,zr.type,zr.zacks_rank as ratings_change,null as price_target from zacksrank zr ");
//sb.Append(" left join securitymaster sm on sm.symbol=zr.symbol ");
//sb.Append(" where zr.symbol=@symbol and zr.type is not null ");
//sb.Append(" )A ");
//sb.Append(" where A.date=").Append(SqlUtils.SqlDate(date,true));
//sb.Append(" order by A.symbol");
strQuery = sb.ToString(); ;
sqlCommand = new MySqlCommand(strQuery, sqlConnection);
sqlCommand.CommandTimeout = SqlUtils.COMMAND_TIMEOUT;
sqlDataReader = sqlCommand.ExecuteReader();
while (sqlDataReader.Read())
{
AnalystRating analystRating = new AnalystRating();
analystRating.Date = sqlDataReader.GetDateTime(0);
analystRating.Symbol = sqlDataReader.GetString(1);
analystRating.CompanyName = sqlDataReader.GetString(2);
analystRating.BrokerageFirm = sqlDataReader.GetString(3);
analystRating.Type = sqlDataReader.GetString(4);
analystRating.RatingsChange = sqlDataReader.GetString(5);
if (!sqlDataReader.IsDBNull(6)) analystRating.PriceTarget = sqlDataReader.GetDouble(6);
analystRatings.Add(analystRating);
}
analystRatings.CalculateUpdatePercentiles();
return analystRatings;
}
catch (Exception exception)
{
MDTrace.WriteLine(LogLevel.DEBUG,exception);
return null;
}
finally
{
if(null!=sqlCommand)sqlCommand.Dispose();
if (null != sqlDataReader) sqlDataReader.Close();
if (null != sqlConnection) sqlConnection.Close();
}
}
public static AnalystRatings GetAnalystRatings(DateTime date)
{
MySqlConnection sqlConnection = null;
MySqlDataReader sqlDataReader = null;
MySqlCommand sqlCommand =null;
AnalystRatings analystRatings = new AnalystRatings();
String strQuery = null;
try
{
StringBuilder sb = new StringBuilder();
sqlConnection = SqlUtils.CreateMySqlConnection(MainDataSource.Instance.LocateDataSource("market_data"));
//sb.Append("set @date='").Append(Utility.DateTimeToStringYYYYHMMHDD(date)).Append("';");
//sb.Append(" select A.* from ");
//sb.Append(" (select date,symbol,upper(company),brokerage_firm,type,ratings_change,price_target from analystratings ");
//sb.Append(" union ");
//sb.Append(" select zr.date,zr.symbol,upper(sm.company) as company,'Zacks' as brokerage_firm,zr.type,zr.zacks_rank as ratings_change,null as price_target from zacksrank zr ");
//sb.Append(" left join securitymaster sm on sm.symbol=zr.symbol ");
//sb.Append(" where zr.type is not null ");
//sb.Append(" )A ");
//sb.Append(" where A.date=@date ");
//sb.Append(" order by A.symbol; ");
//sb.Append("set @date='").Append(Utility.DateTimeToStringYYYYHMMHDD(date)).Append("';");
sb.Append(" select A.* from ");
sb.Append(" (select date,symbol,upper(company),brokerage_firm,type,ratings_change,price_target from analystratings ");
sb.Append(" union ");
sb.Append(" select zr.date,zr.symbol,upper(sm.company) as company,'Zacks' as brokerage_firm,zr.type,zr.zacks_rank as ratings_change,null as price_target from zacksrank zr ");
sb.Append(" left join securitymaster sm on sm.symbol=zr.symbol ");
sb.Append(" where zr.type is not null ");
sb.Append(" )A ");
sb.Append(" where A.date=").Append(SqlUtils.SqlDate(date,true));
sb.Append(" order by A.symbol; ");
strQuery = sb.ToString(); ;
sqlCommand = new MySqlCommand(strQuery, sqlConnection);
sqlCommand.CommandTimeout = SqlUtils.COMMAND_TIMEOUT;
sqlDataReader = sqlCommand.ExecuteReader();
while (sqlDataReader.Read())
{
AnalystRating analystRating = new AnalystRating();
analystRating.Date = sqlDataReader.GetDateTime(0);
analystRating.Symbol = sqlDataReader.GetString(1);
analystRating.CompanyName = sqlDataReader.GetString(2);
analystRating.BrokerageFirm = sqlDataReader.GetString(3);
analystRating.Type = sqlDataReader.GetString(4);
analystRating.RatingsChange = sqlDataReader.GetString(5);
if (!sqlDataReader.IsDBNull(6)) analystRating.PriceTarget = sqlDataReader.GetDouble(6);
analystRatings.Add(analystRating);
}
analystRatings.CalculateUpdatePercentiles();
return analystRatings;
}
catch (Exception exception)
{
MDTrace.WriteLine(LogLevel.DEBUG,exception);
return null;
}
finally
{
if(null!=sqlCommand)sqlCommand.Dispose();
if (null != sqlDataReader) sqlDataReader.Close();
if (null != sqlConnection) sqlConnection.Close();
}
}
public static AnalystRatings GetAnalystRatings(String symbol)
{
MySqlConnection sqlConnection = null;
MySqlDataReader sqlDataReader = null;
MySqlCommand sqlCommand=null;
AnalystRatings analystRatings = new AnalystRatings();
String strQuery = null;
try
{
StringBuilder sb = new StringBuilder();
sqlConnection = SqlUtils.CreateMySqlConnection(MainDataSource.Instance.LocateDataSource("market_data"));
//sb.Append(" set @symbol='").Append(symbol).Append("';");
//sb.Append(" select A.* from ");
//sb.Append(" (select date,symbol,upper(company),brokerage_firm,type,ratings_change,price_target from analystratings where symbol=@symbol ");
//sb.Append(" union ");
//sb.Append(" select zr.date,zr.symbol,upper(sm.company) as company,'Zacks' as brokerage_firm,zr.type,zr.zacks_rank as ratings_change,null as price_target from zacksrank zr ");
//sb.Append(" left join securitymaster sm on sm.symbol=zr.symbol ");
//sb.Append(" where zr.symbol=@symbol and zr.type is not null ");
//sb.Append(" )A ");
//sb.Append(" order by date desc ");
//sb.Append(" select A.* from ");
//sb.Append(" (select date,symbol,upper(company),brokerage_firm,type,ratings_change,price_target from analystratings where symbol=").Append(SqlUtils.ToSqlString(symbol));
//sb.Append(" union ");
//sb.Append(" select zr.date,zr.symbol,upper(sm.company) as company,'Zacks' as brokerage_firm,zr.type,zr.zacks_rank as ratings_change,null as price_target from zacksrank zr ");
//sb.Append(" left join securitymaster sm on sm.symbol=zr.symbol ");
//sb.Append(" where zr.symbol=").Append(SqlUtils.ToSqlString(symbol)).Append(" and zr.type is not null ");
//sb.Append(" )A ");
//sb.Append(" order by date desc ");
sb.Append(" set @symbol='").Append(symbol).Append("';");
sb.Append(" select A.* from ");
sb.Append(" (select date,symbol,upper(company),brokerage_firm,type,ratings_change,price_target from analystratings where symbol=@symbol ");
sb.Append(" union ");
sb.Append(" select zr.date,zr.symbol,upper(sm.company) as company,'Zacks' as brokerage_firm,zr.type,zr.zacks_rank as ratings_change,null as price_target from zacksrank zr ");
sb.Append(" left join securitymaster sm on sm.symbol=zr.symbol ");
sb.Append(" where zr.symbol=@symbol and zr.type is not null ");
sb.Append(" )A ");
sb.Append(" order by date desc ");
strQuery = sb.ToString(); ;
sqlCommand = new MySqlCommand(strQuery, sqlConnection);
sqlCommand.CommandTimeout = SqlUtils.COMMAND_TIMEOUT;
sqlDataReader = sqlCommand.ExecuteReader();
while (sqlDataReader.Read())
{
AnalystRating analystRating = new AnalystRating();
analystRating.Date = sqlDataReader.GetDateTime(0);
analystRating.Symbol = sqlDataReader.GetString(1);
analystRating.CompanyName = sqlDataReader.GetString(2);
analystRating.BrokerageFirm = sqlDataReader.GetString(3);
analystRating.Type = sqlDataReader.GetString(4);
analystRating.RatingsChange = sqlDataReader.GetString(5);
if (!sqlDataReader.IsDBNull(6)) analystRating.PriceTarget = sqlDataReader.GetDouble(6);
analystRatings.Add(analystRating);
}
analystRatings.CalculateUpdatePercentiles();
return analystRatings;
}
catch (Exception exception)
{
MDTrace.WriteLine(LogLevel.DEBUG,exception);
return null;
}
finally
{
if(null!=sqlCommand)sqlCommand.Dispose();
if (null != sqlDataReader) sqlDataReader.Close();
if (null != sqlConnection) sqlConnection.Close();
}
}
// ****************************************************************************************************************************************************
public static List<String> GetAnalystRatingsDates()
{
MySqlConnection sqlConnection = null;
MySqlDataReader sqlDataReader = null;
MySqlCommand sqlCommand=null;
List<String> analystRatingsDates = new List<String>();
String strQuery = null;
try
{
StringBuilder sb = new StringBuilder();
sqlConnection = SqlUtils.CreateMySqlConnection(MainDataSource.Instance.LocateDataSource("market_data"));
sb.Append("select distinct date from analystratings order by date desc");
strQuery = sb.ToString(); ;
sqlCommand = new MySqlCommand(strQuery, sqlConnection);
sqlCommand.CommandTimeout = SqlUtils.COMMAND_TIMEOUT;
sqlDataReader = sqlCommand.ExecuteReader();
while (sqlDataReader.Read())
{
DateTime ratingDate = sqlDataReader.GetDateTime(0);
analystRatingsDates.Add(Utility.DateTimeToStringMMHDDHYYYY(ratingDate));
}
return analystRatingsDates;
}
catch (Exception exception)
{
MDTrace.WriteLine(LogLevel.DEBUG,exception);
return null;
}
finally
{
if(null!=sqlCommand)sqlCommand.Dispose();
if (null != sqlDataReader) sqlDataReader.Close();
if (null != sqlConnection) sqlConnection.Close();
}
}
public static bool InsertAnalystRatings(AnalystRatings analystRatings)
{
MySqlConnection sqlConnection = null;
MySqlTransaction sqlTransaction = null;
MySqlCommand sqlCommand =null;
String strQuery = null;
try
{
if (null == analystRatings || 0 == analystRatings.Count) return true;
sqlConnection = SqlUtils.CreateMySqlConnection(MainDataSource.Instance.LocateDataSource("market_data"));
sqlTransaction = sqlConnection.BeginTransaction(System.Data.IsolationLevel.ReadCommitted);
DeleteAnalystRatings(analystRatings, sqlConnection, sqlTransaction);
for (int index = 0; index < analystRatings.Count; index++)
{
AnalystRating analystRating = analystRatings[index];
StringBuilder sb = new StringBuilder();
sb.Append("insert into analystratings (date,symbol,company,brokerage_firm,type,ratings_change,price_target) ");
sb.Append("values(");
sb.Append("'").Append(Utility.DateTimeToStringYYYYHMMHDD(analystRating.Date)).Append("'").Append(",");
sb.Append("'").Append(analystRating.Symbol).Append("'").Append(",");
sb.Append("'").Append(SqlUtils.SqlString(analystRating.CompanyName)).Append("'").Append(",");
sb.Append("'").Append(SqlUtils.SqlString(analystRating.BrokerageFirm)).Append("'").Append(",");
sb.Append("'").Append(analystRating.Type).Append("'").Append(",");
sb.Append("'").Append(analystRating.RatingsChange).Append("'").Append(",");
if (!Double.IsNaN(analystRating.PriceTarget)) sb.Append(analystRating.PriceTarget);
else sb.Append("null");
sb.Append(")");
strQuery = sb.ToString();
sqlCommand = new MySqlCommand(strQuery, sqlConnection, sqlTransaction);
sqlCommand.CommandTimeout = SqlUtils.COMMAND_TIMEOUT;
sqlCommand.ExecuteNonQuery();
}
sqlTransaction.Commit();
return true;
}
catch (Exception exception)
{
MDTrace.WriteLine(LogLevel.DEBUG,exception);
MDTrace.WriteLine(LogLevel.DEBUG,"Query was '" + strQuery + "'");
return false;
}
finally
{
if(null!=sqlCommand)sqlCommand.Dispose();
if(null!=sqlTransaction)sqlTransaction.Dispose();
if (null != sqlConnection) sqlConnection.Close();
}
}
public static bool ContainsAnalystRating(AnalystRating analystRating)
{
MySqlConnection sqlConnection = null;
MySqlDataReader sqlDataReader = null;
MySqlCommand sqlCommand = null;
String strQuery = null;
try
{
sqlConnection = SqlUtils.CreateMySqlConnection(MainDataSource.Instance.LocateDataSource("market_data"));
StringBuilder sb = new StringBuilder();
sb.Append("select count(*) from analystratings where ");
sb.Append("symbol='").Append(analystRating.Symbol).Append("'").Append(" and ");
sb.Append("date='").Append(Utility.DateTimeToStringYYYYHMMHDD(analystRating.Date)).Append("'").Append(" and ");
sb.Append("brokerage_firm='").Append(SqlUtils.SqlString(analystRating.BrokerageFirm)).Append("'");
strQuery = sb.ToString(); ;
sqlCommand = new MySqlCommand(strQuery, sqlConnection);
sqlCommand.CommandTimeout = SqlUtils.COMMAND_TIMEOUT;
sqlDataReader = sqlCommand.ExecuteReader();
if (!sqlDataReader.Read()) return false;
int count = sqlDataReader.GetInt32(0);
return count > 0 ? true : false;
}
catch (Exception exception)
{
MDTrace.WriteLine(LogLevel.DEBUG, exception);
MDTrace.WriteLine(LogLevel.DEBUG, "Query was '" + strQuery + "'");
return false;
}
finally
{
if (null != sqlDataReader) {sqlDataReader.Close(); sqlDataReader.Dispose();}
if (null != sqlCommand) sqlCommand.Dispose();
if (null != sqlConnection) sqlConnection.Close();
}
}
private static bool DeleteAnalystRatings(AnalystRatings analystRatings, MySqlConnection sqlConnection, MySqlTransaction sqlTransaction)
{
try
{
foreach (AnalystRating analystRating in analystRatings)
{
StringBuilder sb = new StringBuilder();
String strQuery = null;
sb.Append("delete from analystratings where ");
sb.Append("symbol='").Append(analystRating.Symbol).Append("'");
sb.Append(" and ");
sb.Append("date='").Append(Utility.DateTimeToStringYYYYHMMHDD(analystRating.Date)).Append("'").Append(" ");
sb.Append("and brokerage_firm='").Append(SqlUtils.SqlString(analystRating.BrokerageFirm)).Append("'");
strQuery = sb.ToString();
MySqlCommand sqlCommand = new MySqlCommand(strQuery, sqlConnection, sqlTransaction);
sqlCommand.CommandTimeout = SqlUtils.COMMAND_TIMEOUT;
sqlCommand.ExecuteNonQuery();
sqlCommand.Dispose();
}
return true;
}
catch (Exception exception)
{
sqlTransaction.Rollback();
MDTrace.WriteLine(LogLevel.DEBUG,exception);
return false;
}
finally
{
}
}
}
}