/*
* Purpose:
* Updates a record from the programCost table
*
* Parameters:
* programCostID to select a specific record
*
* Return:
* No return
*
* Exceptions:
* Logs any exception thrown within the stored procedure and rethrows
*/
public void update(ProgramCostModel programCostModel)
{
try
{
DataStoreConnectionHelper dataStoreHelper = new DataStoreConnectionHelper();
//Create connection to database
SqlConnection connection = dataStoreHelper.createConnection();
//Set up the stored procedure and the parameters
SqlCommand commandCreate = new SqlCommand("UpdateProgramCostByID");
commandCreate.CommandType = System.Data.CommandType.StoredProcedure;
commandCreate.Parameters.Add("@ProgramCostID", SqlDbType.Int).Value = programCostModel.id;
commandCreate.Parameters.Add("@DepositAmount", SqlDbType.Float).Value = programCostModel.depositAmount;
commandCreate.Parameters.Add("@SessionCost", SqlDbType.Float).Value = programCostModel.sessionCost;
commandCreate.Parameters.Add("@FullPaymentPercentageDiscount", SqlDbType.Float).Value = programCostModel.fullPaymentPercentageDiscount;
//Which connection to execute the command against
commandCreate.Connection = connection;
//Execute the command
commandCreate.ExecuteNonQuery(); //Used for updating new records
//Close connection to database
dataStoreHelper.closeConnection(connection);
}
catch (Exception ex)
{
//Log the exception and rethrow
Console.WriteLine("Exception thrown update: " + this.GetType().Name + ". <" + ex.Message + ">");
throw ex;
}
}
private ProgramCostModel convertCursorRecordToModel(SqlDataReader dataReader)
{
ProgramCostModel programCostModel = new ProgramCostModel();
programCostModel.id = dataReader.GetInt32(0);
programCostModel.depositAmount = dataReader.GetDouble(1);
programCostModel.sessionCost = dataReader.GetDouble(2);
programCostModel.fullPaymentPercentageDiscount = dataReader.GetDouble(3);
return(programCostModel);
}
/*
* Purpose:
* Reads all records from the programCost table
*
* Parameters:
* No parameters
*
* Return:
* All information from every record
*
* Exceptions:
* Logs any exception thrown within the stored procedure and rethrows
*/
public List <ProgramCostModel> readAll()
{
List <ProgramCostModel> programCosts = new List <ProgramCostModel>();
try
{
DataStoreConnectionHelper dataStoreHelper = new DataStoreConnectionHelper();
//Create connection to database
SqlConnection connection = dataStoreHelper.createConnection();
//Set up the stored procedure and the parameters
SqlCommand commandRead = new SqlCommand("ReadProgramCost");
commandRead.CommandType = System.Data.CommandType.StoredProcedure;
//Which connection to execute the command against
commandRead.Connection = connection;
//Execute the command
SqlDataReader dataReader = commandRead.ExecuteReader(); //Used for reading records
//Handle return values
while (dataReader.Read()) //Expecting multiple records - Read moves to the next record - Get values from the columns
{
//Create a new programCost model for every record in the data reader
ProgramCostModel programCostModel = new ProgramCostModel();
//Copy information from the data reader into the new data model
programCostModel = convertCursorRecordToModel(dataReader);
//Copy the new model onto the end of the list
programCosts.Add(programCostModel);
}
//Close connection to database
dataStoreHelper.closeConnection(connection);
}
catch (Exception ex)
{
//Log the exception and rethrow
Console.WriteLine("Exception thrown readAll: " + this.GetType().Name + ". <" + ex.Message + ">");
throw ex;
}
return(programCosts);
}
/*
* Purpose:
* Creates a new record in the programCost table
*
* Parameters:
* ProgramCostModel will be populated, although programCostID will have a defualt value of 0
*
* Return:
* programCostID of the record created
*
* Exceptions:
* Logs any exception thrown within the stored procedure and rethrows
*/
public int create(ProgramCostModel programCostModel)
{
int programCostID = 0;
try
{
DataStoreConnectionHelper dataStoreHelper = new DataStoreConnectionHelper();
//Create connection to database
SqlConnection connection = dataStoreHelper.createConnection();
//Set up the stored procedure and the parameters
SqlCommand commandCreate = new SqlCommand("CreateProgramCost");
commandCreate.CommandType = System.Data.CommandType.StoredProcedure;
commandCreate.Parameters.Add("@ProgramCostID", SqlDbType.Int).Direction = ParameterDirection.Output; //Output parameter that will be returned from this function
commandCreate.Parameters.Add("@DepositAmount", SqlDbType.Float).Value = programCostModel.depositAmount;
commandCreate.Parameters.Add("@SessionCost", SqlDbType.Float).Value = programCostModel.sessionCost;
commandCreate.Parameters.Add("@FullPaymentPercentageDiscount", SqlDbType.Float).Value = programCostModel.fullPaymentPercentageDiscount;
//Which connection to execute the command against
commandCreate.Connection = connection;
//Execute the command
commandCreate.ExecuteNonQuery(); //Used for creating new records
//Handle return values
programCostID = Convert.ToInt32(commandCreate.Parameters["@ProgramCostID"].Value); //Convert the output value from the SP into an int
//Close connection to database
dataStoreHelper.closeConnection(connection);
}
catch (Exception ex)
{
//Log the exception and rethrow
Console.WriteLine("Exception thrown create: " + this.GetType().Name + ". <" + ex.Message + ">");
throw ex;
}
return(programCostID);
}
/*
* Purpose:
* Reads a record from the programCost table
*
* Parameters:
* programCostID allows the user to select a specific record
*
* Return:
* All information from the selected record
*
* Exceptions:
* Logs any exception thrown within the stored procedure and rethrows
*/
public ProgramCostModel read(int programCostID)
{
ProgramCostModel programCostModel = new ProgramCostModel();
try
{
DataStoreConnectionHelper dataStoreHelper = new DataStoreConnectionHelper();
//Create connection to database
SqlConnection connection = dataStoreHelper.createConnection();
//Set up the stored procedure and the parameters
SqlCommand commandRead = new SqlCommand("ReadProgramCostByID");
commandRead.CommandType = System.Data.CommandType.StoredProcedure;
commandRead.Parameters.Add("@ProgramCostID", SqlDbType.Int).Value = programCostID;
//Which connection to execute the command against
commandRead.Connection = connection;
//Execute the command
SqlDataReader dataReader = commandRead.ExecuteReader(); //Used for reading records
//Handle return values
dataReader.Read(); //Only expecting one record - Read moves to the first record - Get values from the columns
programCostModel = convertCursorRecordToModel(dataReader);
//Close connection to database
dataStoreHelper.closeConnection(connection);
}
catch (Exception ex)
{
//Log the exception and rethrow
Console.WriteLine("Exception thrown read: " + this.GetType().Name + ". <" + ex.Message + ">");
throw ex;
}
return(programCostModel);
}
