public void Process()
{
WriteLine($"Begin process of {InputFilePath}");
// class: File class: http://bit.ly/psfileclass
if (!File.Exists(InputFilePath))
{
WriteLine($"Error: file {InputFilePath} does not exist.");
return;
}
// directory: find parent
string rootDirectoryPath = new DirectoryInfo(InputFilePath).Parent.FullName;
WriteLine($"Root data path is {rootDirectoryPath}");
// directory: check directory exists
// class: Path class: http://bit.ly/pspathclass
string inputFileDirectoryPath = Path.GetDirectoryName(InputFilePath);
string backupDirectoryPath = Path.Combine(rootDirectoryPath, BackupDirectoryName);
if (!Directory.Exists(backupDirectoryPath))
{
WriteLine($"Creating {backupDirectoryPath}");
Directory.CreateDirectory(backupDirectoryPath);
}
// file: copying
string inputFileName = Path.GetFileName(InputFilePath);
string backupFilePath = Path.Combine(backupDirectoryPath, inputFileName);
WriteLine($"Copying {inputFileName} to {backupFilePath}");
File.Copy(InputFilePath, backupFilePath, true); // overwrite true
// file: moving
Directory.CreateDirectory(Path.Combine(rootDirectoryPath, InProgressDirectoryName));
string inProgressFilePath =
Path.Combine(rootDirectoryPath, InProgressDirectoryName, inputFileName);
if (File.Exists(inProgressFilePath))
{
WriteLine($"ERROR: a file with name {inProgressFilePath} is already being processed");
return;
}
WriteLine($"Moving {InputFilePath} to {inProgressFilePath}");
File.Move(InputFilePath, inProgressFilePath);
// file: extension -> how to process, determine type of file
string extension = Path.GetExtension(InputFilePath);
string completedDirectoryPath = Path.Combine(rootDirectoryPath, CompletedDirectoryName);
Directory.CreateDirectory(completedDirectoryPath);
// WriteLine($"Moving {inProgressFilePath} to {completedDirectoryPath}");
// File.Move(inProgressFilePath, Path.Combine(completedDirectoryPath, inputFileName));
var completedFileName =
$"{Path.GetFileNameWithoutExtension(InputFilePath)}-{Guid.NewGuid()}{extension}";
completedFileName = Path.ChangeExtension(completedFileName, ".complete");
var completedFilePath = Path.Combine(completedDirectoryPath, completedFileName);
switch (extension)
{
case ".txt":
var textProcessor = new TextFileProcessor(inProgressFilePath, completedFilePath);
textProcessor.Process();
break;
case ".data":
var binaryProcessor = new BinaryFileProcessor(inProgressFilePath, completedFilePath);
binaryProcessor.Process();
break;
case ".csv":
var csvFileProcessor = new CsvFileProcessor(inProgressFilePath, completedFilePath);
csvFileProcessor.Process();
break;
default:
WriteLine($"{extension} is an unsupported file type.");
break;
}
WriteLine($"Completed processing of {inProgressFilePath}");
WriteLine($"Deleting {inProgressFilePath}");
File.Delete(inProgressFilePath);
}
public void Process()
{
WriteLine($"Begin process of {InputFilePath}");
// Check if file exists
if (!File.Exists(InputFilePath))
{
WriteLine($"ERROR: file {InputFilePath} does not exist.");
return;
}
string rootDirectoryPath = new DirectoryInfo(InputFilePath).Parent.Parent.FullName;
WriteLine($"Root data path is {rootDirectoryPath}");
// Check if backup dir exists
string inputFileDirectoryPath = Path.GetDirectoryName(InputFilePath);
string backupDirectoryPath = Path.Combine(rootDirectoryPath, BackupDirectoryName);
// Doesn't Error if the Directory already exists
Directory.CreateDirectory(backupDirectoryPath);
// Copy file to backup dir
string inputFileName = Path.GetFileName(InputFilePath);
string backupFilePath = Path.Combine(backupDirectoryPath, inputFileName);
WriteLine($"Copying {InputFilePath}, to {backupFilePath}");
File.Copy(InputFilePath, backupFilePath, true);
// Move to in progress dir
Directory.CreateDirectory(Path.Combine(rootDirectoryPath, InProgressDirectoryName));
string inProgressFilePath = Path.Combine(rootDirectoryPath, InProgressDirectoryName, inputFileName);
if (File.Exists(inProgressFilePath))
{
WriteLine($"ERROR: a file with the name {inProgressFilePath} is already being processed.");
return;
}
WriteLine($"Moving {InputFilePath} to {inProgressFilePath}");
File.Move(InputFilePath, inProgressFilePath);
// Determine type of file
string extension = Path.GetExtension(InputFilePath);
string completedDirectoryPath = Path.Combine(rootDirectoryPath, CompletedDirectoryName);
Directory.CreateDirectory(completedDirectoryPath);
var completedFileName = $"{Path.GetFileNameWithoutExtension(InputFilePath)}-{Guid.NewGuid()}{extension}";
var completedFilePath = Path.Combine(completedDirectoryPath, completedFileName);
switch (extension)
{
case ".txt":
var textProcessor = new TextFileProcessor(inProgressFilePath, completedFilePath);
textProcessor.Process();
break;
case ".data":
var binaryProcessor = new BinaryFileProcessor(inProgressFilePath, completedFilePath);
binaryProcessor.Process();
break;
case ".csv":
var csvProcessor = new CsvFileProcessor(inProgressFilePath, completedFilePath);
csvProcessor.Process();
break;
default:
WriteLine($"{extension} is an unsupported file type.");
break;
}
WriteLine($"Completed processing of {inProgressFilePath}");
WriteLine($"Deleting {inProgressFilePath}");
File.Delete(inProgressFilePath);
}
internal void Process()
{
Console.WriteLine($"Begin process of {inputFilePath}");
// Check if file exists
if (!File.Exists(inputFilePath))
{
Console.WriteLine($"ERROR: file {inputFilePath} does not exist.");
return;
}
string rootDirectoryPath = new DirectoryInfo(inputFilePath).Parent.Parent.FullName;
Console.WriteLine($"Root data path is {rootDirectoryPath}");
// Check if backup directory exists
string inputFileDirectoryPath = Path.GetDirectoryName(inputFilePath);
string backupDirectoryPath = Path.Combine(rootDirectoryPath, BackupDirectoryName);
//if (!Directory.Exists(backupDirectoryPath))
//
// Console.WriteLine($"Creating {backupDirectoryPath}");
//The method does not throw error if the directory already exists , no need to check
Directory.CreateDirectory(backupDirectoryPath);
// copy file to backup directory
string inputFileName = Path.GetFileName(inputFilePath);
string backupFilePath = Path.Combine(backupDirectoryPath, inputFileName);
Console.WriteLine($"Copying {inputFilePath} to {backupFilePath}");
File.Copy(inputFilePath, backupFilePath, true);
// Move to in progress dir
Directory.CreateDirectory(Path.Combine(rootDirectoryPath, InProgressDirectoryName));
string inProgressFilePath = Path.Combine(rootDirectoryPath, InProgressDirectoryName, inputFileName);
if (File.Exists(inProgressFilePath))
{
Console.WriteLine($"ERROR: a file name {inProgressFilePath} is already being processed.");
return;
}
Console.WriteLine($"Moving {inputFilePath} to {inProgressFilePath}");
File.Move(inputFilePath, inProgressFilePath);
// Determine type of file
string extension = Path.GetExtension(inputFilePath);
string completedDirectoryPath = Path.Combine(rootDirectoryPath, CompletedDirectoryName);
Directory.CreateDirectory(completedDirectoryPath);
var completedFileName = $"{Path.GetFileNameWithoutExtension(inputFilePath)}--{Guid.NewGuid()}-{extension}";
var completedFilePath = Path.Combine(completedDirectoryPath, completedFileName);
switch (extension)
{
case ".txt":
//ProcessTxtFile(inProgressFilePath);
var textProcessor = new TextFileProcessor(inProgressFilePath, completedFilePath);
textProcessor.Process();
break;
case ".data":
var binaryProcessor = new BinaryFileProcessor(inProgressFilePath, completedFilePath);
binaryProcessor.Process();
break;
case ".csv":
var csvProcessor = new CsvFileProcessor(inProgressFilePath, completedFilePath);
csvProcessor.Process();
break;
default:
Console.WriteLine($"{extension} is an unsupported file type.");
break;
}
//File.Move(inProgressFilePath, completedFilePath);
Console.WriteLine($"Completed processing of {inProgressFilePath}");
Console.WriteLine($"Deleting {inProgressFilePath}");
File.Delete(inProgressFilePath);
}
