//---------------------------------------------------
//Public Methods
//---------------------------------------------------
//Public method to Import the CSV
public bool ImportCSV(IWineCollection wineItems, string pathToCSVFile)
{
//Declare the streamreader
StreamReader streamReader = null;
//If it hasn't already been imported
if (!hasBeenImported)
{
try
{
//declare a string for the line
string line;
//Declare and instanciage a new StreamReader class
streamReader = new StreamReader(pathToCSVFile);
//While still reading a line from the file
while ((line = streamReader.ReadLine()) != null)
{
//Process the line
this.processLine(line, wineItems);
}
//Set hasBeenImported to true now that it is imported
hasBeenImported = true;
//Return true to represent success
return true;
}
catch (Exception e)
{
//Output the Error that occured. This is the only output that is NOT being done in the UI class
Console.WriteLine(e.ToString());
Console.WriteLine();
Console.WriteLine(e.StackTrace);
//Return false to signify that it failed
return false;
}
finally
{
//If the stream reader was instanciated, make sure it is closed before exiting.
if (streamReader != null)
{
streamReader.Close();
}
}
}
//It has already been imported. No need to do it again.
else
{
//return false
return false;
}
}
//---------------------------------------------------
//Public Methods
//---------------------------------------------------
//Public method to Import the CSV
public bool ImportCSV(IWineCollection wineItems, string pathToCSVFile)
{
//Declare the streamreader
StreamReader streamReader = null;
//If it hasn't already been imported
if (!hasBeenImported)
{
try
{
//declare a string for the line
string line;
//Declare and instanciage a new StreamReader class
streamReader = new StreamReader(pathToCSVFile);
//While still reading a line from the file
while ((line = streamReader.ReadLine()) != null)
{
//Process the line
this.processLine(line, wineItems);
}
//Set hasBeenImported to true now that it is imported
hasBeenImported = true;
//Return true to represent success
return(true);
}
catch (Exception e)
{
//Output the Error that occured. This is the only output that is NOT being done in the UI class
Console.WriteLine(e.ToString());
Console.WriteLine();
Console.WriteLine(e.StackTrace);
//Return false to signify that it failed
return(false);
}
finally
{
//If the stream reader was instanciated, make sure it is closed before exiting.
if (streamReader != null)
{
streamReader.Close();
}
}
}
//It has already been imported. No need to do it again.
else
{
//return false
return(false);
}
}
//---------------------------------------------------
//Private Methods
//---------------------------------------------------
private void processLine(string line, IWineCollection wineItemCollection)
{
//declare array of parts that will contian the results of splitting the read in string
string[] parts = line.Split(',');
//Assign each part to a variable
string id = parts[0];
string description = parts[1];
string pack = parts[2];
//Add a new wine item into the collection with the properties of what was read in.
wineItemCollection.AddNewItem(id, description, pack);
}
//---------------------------------------------------
//Private Methods
//---------------------------------------------------
private void processLine(string line, IWineCollection wineItemCollection)
{
//declare array of parts that will contian the results of splitting the read in string
string[] parts = line.Split(',');
//Assign each part to a variable
string id = parts[0];
string description = parts[1];
string pack = parts[2];
decimal price = 0;
//Add a new wine item into the collection with the properties of what was read in.
wineItemCollection.AddNewItem(id, description, pack, price);
}
