// ,List<RaceDetail> race_details)
/**
* @brief Class constructor
* @param Stadium stadium The Race stadium object
* @param Race race The Race race object
* @param List<RaceDetails> race_details The Race race_details object list
**/
public RaceEvent(
Stadium stadium,
Race race)
{
this.stadium = stadium;
this.race = race;
// this.race_details = race_details;
}
/**
* @brief Returns all races from DB
* @param string date_time The date_time to apply to the query
* @return RaceEvent[] An array with all stadiums, races and races details (RaceEvent array) at the date provided
**/
public static RaceEvent[] GetRaceEventsAtDate(User user, string m_date_time)
{
List<RaceEvent> resultList = new List<RaceEvent>();
OracleConnection connection = new OracleConnection(ConfigurationBLL.GetConnectionStringByRole(user.Role_Id));
OracleDataReader sqlDataReader = null;
try
{
//Open the connection
connection.Open();
//Setup the command to run
string strCommand = GET_ALL_RACE_EVENTS_AT_DATE_SQL;
strCommand = strCommand.Replace("@date_time", m_date_time.ToString());
Tools.printDebug(null, strCommand, null);
OracleCommand command = new OracleCommand(strCommand);
command.Connection = connection;
//Runs the command
sqlDataReader = command.ExecuteReader();
//Fetches all rows
int previous_std_id = -1;
int previous_race_id = -1;
Stadium stadium = null;
Race race = null;
while (sqlDataReader.Read())
{
if (stadium != null && race != null)
{
RaceEvent raceEvent = new RaceEvent(stadium, race);
resultList.Add(raceEvent);
previous_std_id = -1;
previous_race_id = -1;
stadium = null;
race = null;
}
int std_id = Convert.ToInt32(sqlDataReader[STADIUMS_STADIUM_ID_FIELD].ToString());
if( previous_std_id != std_id ) {
previous_std_id = std_id;
string stadium_name = sqlDataReader[STADIUMS_NAME_FIELD].ToString();
string num_tracks = sqlDataReader[STADIUMS_NUM_TRACKS_FIELD].ToString();
string city = sqlDataReader[STADIUMS_CITY_FIELD].ToString();
string country = sqlDataReader[STADIUMS_COUNTRY_FIELD].ToString();
stadium = new Stadium(
std_id,
stadium_name,
num_tracks,
city,
country
);
}
int race_id = Convert.ToInt32(sqlDataReader[RACES_ID_FIELD].ToString());
if( previous_race_id != race_id ) {
previous_race_id = race_id;
int stadium_std_id = Convert.ToInt32(sqlDataReader[RACES_STADIUM_ID_FIELD].ToString());
string date_time = sqlDataReader[RACES_DATE_TIME_FIELD].ToString();
int race_number = Convert.ToInt32(sqlDataReader[RACES_RACE_NUMBER_FIELD].ToString());
Decimal track_length = Tools.StringToDecimal(sqlDataReader[RACES_TRACK_LENGTH_FIELD].ToString());
string grade = sqlDataReader[RACES_GRADE_FIELD].ToString();
string race_type = sqlDataReader[RACES_RACE_TYPE_FIELD].ToString();
race = new Race(
race_id,
stadium_std_id,
date_time,
race_number,
track_length,
grade,
race_type);
}
}
}
catch (InvalidOperationException exception)
{
Tools.printDebug(new System.Diagnostics.StackFrame(), "", exception);
throw new InvalidOperationException(Resources.CANNOT_ACCESS_DATABASE_EXCEPTION_MESSAGE, exception);
}
catch (SqlException exception)
{
Tools.printDebug(new System.Diagnostics.StackFrame(), "", exception);
throw new InvalidOperationException(Resources.CANNOT_ACCESS_DATABASE_EXCEPTION_MESSAGE, exception);
}
catch (FormatException exception)
{
Tools.printDebug(new System.Diagnostics.StackFrame(), "", exception);
throw new FormatException(Resources.CANNOT_ACCESS_DATABASE_EXCEPTION_MESSAGE, exception);
}
catch (OverflowException exception)
{
Tools.printDebug(new System.Diagnostics.StackFrame(), "", exception);
throw new OverflowException(Resources.CANNOT_ACCESS_DATABASE_EXCEPTION_MESSAGE, exception);
}
finally
{
//Closes the datareader and connection to the database
if (sqlDataReader != null)
{
sqlDataReader.Close();
}
if (connection != null)
{
connection.Close();
}
}
//Returns the list of fetched users in the form of an array
return resultList.ToArray();
}
private static List<Stadium> executeQuery(String strCommand)
{
List<Stadium> resultList = new List<Stadium>();
OracleConnection connection = new OracleConnection(ConfigurationBLL.DBConnectionString);
OracleDataReader sqlDataReader = null;
try
{
//Open the connection
connection.Open();
OracleCommand command = new OracleCommand(strCommand);
command.Connection = connection;
//Runs the command
sqlDataReader = command.ExecuteReader();
//Fetches all rows
while (sqlDataReader.Read())
{
int std_id = Convert.ToInt32(sqlDataReader[STADIUMS_STADIUM_ID_FIELD].ToString());
string name = sqlDataReader[STADIUMS_NAME_FIELD].ToString();
string num_tracks = sqlDataReader[STADIUMS_NUM_TRACKS_FIELD].ToString();
string city = sqlDataReader[STADIUMS_CITY_FIELD].ToString();
string country = sqlDataReader[STADIUMS_COUNTRY_FIELD].ToString();
Stadium stadium = new Stadium(
std_id,
name,
num_tracks,
city,
country
);
resultList.Add(stadium);
}
}
catch (InvalidOperationException exception)
{
Tools.printDebug(new System.Diagnostics.StackFrame(), "", exception);
throw new InvalidOperationException(Resources.CANNOT_ACCESS_DATABASE_EXCEPTION_MESSAGE, exception);
}
catch (SqlException exception)
{
Tools.printDebug(new System.Diagnostics.StackFrame(), "", exception);
throw new InvalidOperationException(Resources.CANNOT_ACCESS_DATABASE_EXCEPTION_MESSAGE, exception);
}
catch (FormatException exception)
{
Tools.printDebug(new System.Diagnostics.StackFrame(), "", exception);
throw new FormatException(Resources.CANNOT_ACCESS_DATABASE_EXCEPTION_MESSAGE, exception);
}
catch (OverflowException exception)
{
Tools.printDebug(new System.Diagnostics.StackFrame(), "", exception);
throw new OverflowException(Resources.CANNOT_ACCESS_DATABASE_EXCEPTION_MESSAGE, exception);
}
finally
{
//Closes the datareader and connection to the database
if (sqlDataReader != null)
{
sqlDataReader.Close();
}
if (connection != null)
{
connection.Close();
}
}
return resultList;
}