/// <summary>
/// Shrinks the selected files using tinyPng, storing the shrunk files in the output location.
/// </summary>
/// <param name="key">The the tinyPng API key to use.</param>
/// <param name="input">The input file, files or directory to upload.</param>
/// <param name="output">The directory to output processed files to.</param>
/// <param name="logger">A LogHandler with which to perform logging.</param>
/// <param name="progress">A ProgressHandler with which to update the progress.</param>
/// <param name="running">A StateToggleable to enable the caller to be informed when the process starts and stops.</param>
public void smallifyFiles(string key, string input, string output, LogHandler logger, ProgressHandler progress, StateToggleable running)
{
running.ToggleState();
WebClient client = new WebClient();
string auth = Convert.ToBase64String(Encoding.UTF8.GetBytes("api:" + key));
client.Headers.Add(HttpRequestHeader.Authorization, "Basic " + auth);
List <string> Errors = new List <string>();
long totalSaved = 0;
double totalSavedPercent = 0;
int filesProcessed = 0;
if (key != "" && input != "" && output != "")
{
try
{
string[] files = getFilesFromInputString(input);
progress.ResetProgress();
progress.SetProgressMax(files.Length);
for (int i = 0; i < files.Length; i++)
{
string file = files[i];
if (File.Exists(file))
{
string fileExt = Path.GetExtension(file).ToLower();
if (fileExt == ".png" || fileExt == ".jpg" || fileExt == ".jpeg")
{
string inputFileName = Path.GetFileName(file);
logger.LogLine("Processing file: " + inputFileName);
string outputFilePath = Path.Combine(output, inputFileName);
if ((outputFilePath = downloadFile(client, file, outputFilePath)) == "")
{
logger.LogLine("Error processing file: " + inputFileName);
Errors.Add(inputFileName);
}
else
{
filesProcessed++;
long sizeBefore = new FileInfo(file).Length;
long sizeAfter = new FileInfo(outputFilePath).Length;
long saved = sizeBefore - sizeAfter;
double savedPercent = ((double)saved / (double)sizeBefore) * 100f;
totalSavedPercent += savedPercent;
totalSaved += saved;
logger.LogLine(string.Format("\tSize before: {0}", SizeSuffix(sizeBefore)));
logger.LogLine(string.Format("\tSize After: {0}", SizeSuffix(sizeAfter)));
logger.LogLine(string.Format("\tSaved: {0} or {1}%", SizeSuffix(saved), savedPercent.ToString("0.00")));
}
}
}
progress.SetProgress(i + 1);
}
if (Errors.Count == 0)
{
logger.LogLine("All done!");
}
else
{
string errorMessage = "Done, but there were errors processing the following files:";
foreach (string error in Errors)
{
errorMessage += System.Environment.NewLine + error;
}
logger.LogLine(errorMessage);
}
logger.LogLine(string.Format("Total Saved: {0} or {1}%",
SizeSuffix(totalSaved),
(totalSavedPercent / (double)filesProcessed).ToString("0.00")));
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
finally
{
running.ToggleState();
}
}
else
{
MessageBox.Show("Please fill in all of the fields");
}
}
