public static async Task <object> SelfRunCall(string runType, string argument, ILoggerFactory factory)
{
var logger = factory.CreateLogger <ImageManipulator_Direct>();
var manipulator = new ImageManipulator_Direct(logger);
if (runType == SelfRunSystem.RunImageResize)
{
var realArg = SelfRunSystem.ParseArgument <ImageManipulationFitToSizeArgument>(argument);
using (var file = File.OpenRead(realArg.inFile))
{
return(await manipulator.FitToSizeAndSave(file, realArg.savePath, realArg.maxSize));
}
}
else if (runType == SelfRunSystem.RunImageThumbnail)
{
var realArg = SelfRunSystem.ParseArgument <ImageManipulationMakeThumbnailArgument>(argument);
using (var file = File.OpenRead(realArg.inFile))
{
return(await manipulator.MakeThumbnailAndSave(file, realArg.savePath, realArg.modify));
}
}
else
{
throw new InvalidOperationException($"Unknown runtype for image manipulator: {runType}");
}
}
public Task <ImageManipulationInfo> MakeThumbnailAndSave(Stream fileData, string savePath, GetFileModify modify)
{
return(SelfRunSystem.RunProcessWithFileAsync <ImageManipulationInfo>(fileData, SelfRunSystem.RunImageThumbnail, new ImageManipulationMakeThumbnailArgument
{
modify = modify,
savePath = Path.GetFullPath(savePath)
}));
}
public Task <ImageManipulationInfo> FitToSizeAndSave(Stream fileData, string savePath, int maxSize)
{
return(SelfRunSystem.RunProcessWithFileAsync <ImageManipulationInfo>(fileData, SelfRunSystem.RunImageResize, new ImageManipulationFitToSizeArgument
{
maxSize = maxSize,
savePath = Path.GetFullPath(savePath)
}));
}
/// <summary>
/// A wrapper for RunProcess that lets you pass a file as part of the argument list (as a stream)
/// </summary>
/// <param name="fileData"></param>
/// <param name="runType"></param>
/// <param name="args"></param>
/// <typeparam name="T"></typeparam>
/// <returns></returns>
public static async Task <T> RunProcessWithFileAsync <T>(Stream fileData, string runType, IInfileArgument args)
{
var tempFile = Path.GetFullPath(Path.Combine(TempLocation, Guid.NewGuid().ToString().Replace("-", "")));
Directory.CreateDirectory(Path.GetDirectoryName(tempFile) ?? throw new InvalidOperationException("No temp file path!"));
using (var file = File.Create(tempFile))
{
fileData.Seek(0, SeekOrigin.Begin);
await fileData.CopyToAsync(file);
}
args.inFile = tempFile;
try
{
return(await SelfRunSystem.RunProcessAsync <T>(runType, args));
}
finally
{
File.Delete(tempFile);
}
}