/// <summary> Constructor for the CD_Packer class. </summary>
/// <param name="directory"> The directory in which to pack these CDs. </param>
/// <param name="firstCD"> The number for the first CD to pack. </param>
/// <param name="CD_Capacity"> Capacity for the media (in MB) </param>
public CD_Packer(string directory, int firstCD, int CD_Capacity)
{
// Save all the properties to the private variables
this.directory = directory;
this.firstCD = firstCD;
this.cD_Capacity = CD_Capacity;
// Make sure the provided directory exists, otherwise create it
if (!Directory.Exists(directory))
{
Directory.CreateDirectory(directory);
}
// Check to see if there is an incomplete CD
nextCD = incompleteCD();
if (nextCD == -1)
{
currentCD = firstCD;
}
else
{
currentCD = nextCD;
}
// Create new lists to hold all the textual and visual items
packedTextBibIds = new StringCollection();
packedImageBibIds = new StringCollection();
// Create the current newCdObject for the CD
thisCD = new newCdObject(cD_Capacity, currentCD, directory);
// Set the number of NewCdsPacked to zero initially
NewCdsPacked = 0;
}
/// <summary> Helper method will make the folder for the next CD, etc. Checks to make
/// sure that no more than 500 CD's are ever packed in one session. </summary>
/// <returns></returns>
/// <exception cref="CD_Packer_Exception"> Throws a CD_Packer_Exception if more than 50 CD's were
/// packed in one session. This prevents run away processes from creating thousands of new CD
/// folders. </exception>
private void createNextCD()
{
if (NewCdsPacked > 50)
{
throw new CD_Packer_Exception("Attempted to pack more than 50 CD's in one session.");
}
else
{
thisCD = new newCdObject(cD_Capacity, currentCD, directory);
// Trigger the event that a new CD was created
if (this.New_CD_Created != null)
{
New_CD_Created(thisCD.CdNumber);
}
// Increment the number of cd's which have been packed
NewCdsPacked++;
}
}