async Task CheckForDuplicates(LocalImage[] inDirectory)
{
// Here, we create a list that contains all the names of files
// that we already processed. This is so we don't re-process the
// same images, when we pass over them again.
var visited = new List <string>();
// Using a `for` loop here against the LocalImage array, to focus
// more on performance.
for (var index = 0; index < inDirectory.Length; index++)
{
if (visited.Contains(inDirectory[index].Name))
{
continue;
}
var duplicates = await VisitOthers(inDirectory, inDirectory[index], visited);
if (duplicates.Any())
{
var duplicateResult = new DeDupifyrResult(inDirectory[index]);
duplicateResult.Duplicates.AddRange(duplicates);
duplicateResults.Add(duplicateResult);
}
visited.Add(inDirectory[index].Name);
}
// We no longer need to keep the visited list in scope,
// clear it out.
visited.Clear();
}
public async Task <List <DeDupifyrResult> > Run(ComparisonRequest request)
{
// If the paths are equal, print that we were given the same image path.
if (request.FirstImagePath.Value == request.SecondImagePath.Value)
{
Console.WriteLine("The two paths given point to the same image.");
}
Console.WriteLine($"Comparing images at {request.FirstImagePath.Value} and {request.SecondImagePath.Value}...");
var sourceImage = await BuildLocalImage(request.FirstImagePath.Value);
var targetImage = await BuildLocalImage(request.SecondImagePath.Value);
var duplicateResult = new DeDupifyrResult(sourceImage);
await UpdateDuplicationCollection(
sourceImage,
targetImage,
duplicateResult.Duplicates);
duplicateResults.Add(duplicateResult);
return(duplicateResults);
}
public async Task <List <DeDupifyrResult> > Run(ComparisonRequest request)
{
Console.WriteLine($"Comparing the image at '{request.FirstImagePath.Value}' with all images in '{request.DirectoryPath.Value}'...");
var sourceImage = await BuildLocalImage(request.FirstImagePath.Value);
var otherImageBuilders = ImageBuildersFromDirectory(
request.DirectoryPath.Value,
file => ValidExtensions.ForImage.Contains(Path.GetExtension(file)) &&
file != request.FirstImagePath.Value);
var otherImages = await Task.WhenAll(otherImageBuilders);
var duplicateResult = new DeDupifyrResult(sourceImage);
var duplicateImages = await CompareToOthers(sourceImage, otherImages);
duplicateResult.Duplicates.AddRange(duplicateImages);
duplicateResults.Add(duplicateResult);
return(duplicateResults);
}
