public bool ImportCSV(string pathToCSVFile, WineItem[] allTheWines)
{
StreamReader streaming = null;
try
{
//declare a string to represent a line we read
string line;
//Create a new instance of the StreamReader class
streaming = new StreamReader(pathToCSVFile);
//Create a counter to know what index to place the new object
int counter = 0;
//This line is doing a bunch of stuff. It is reading a line from
//the file. It is assigning that info to the 'line' variable, and
//lastly it is making sure that what it just read was not null.
//if it is null, we are done reading the file and we can exit the
//loop.
while((line = streaming.ReadLine()) != null)
{
// In this section isnt the counter useless?
// Why do we need to keep track of it?
processLine(line, allTheWines, counter++);
}
return true;
}
catch (Exception e)
{
//Spit out the errors that occured
Console.WriteLine(e.ToString());
Console.WriteLine(e.StackTrace);
}
finally
{
//If an instance of the streamreader was made, we want to ensure
//that we close it. The finally block is a perfect spot to put it
//since it will get called regardless of whether or not the try
//succeeded
if (streaming != null)
{
streaming.Close();
}
}
return false;
}
// This is the private method we use in this class to add a read in WineItem into the array of allTheWines
private void processLine(string line, WineItem[] allTheWines, int index)
{
//Split the line into parts, and assign the parts to a string array
string[] parts = line.Split(',');
//Create some local variables and assign the various parts to them.
int id = int.Parse(parts[0]);
string description = parts[1];
decimal pack = decimal.Parse(parts[2]);
//Now we just need to add a new WineItem to the array and use the parts
//we parsed out. If you had a collection class, I would hope that it has
//a method that you made called 'add' that would then do the work of
//adding a new WineItem to the collection.
allTheWines[index] = new WineItem(id, description, pack);
}
