public async Task <ImageAnalysisVM> AnalyzeImageFileAsync(IFormFile file, string baseUrl)
{
var imageAnalysisVM = new ImageAnalysisVM()
{
Filename = $"{DateTime.Now.ToString("yyyyMMddHHmmss")}_{Guid.NewGuid()}"
};
var webPath = _hostingEnv.WebRootPath;
var path = Path.Combine("", webPath + @"\img\" + imageAnalysisVM.Filename + ".png");
using (var stream = new FileStream(path, FileMode.Create))
{
await file.CopyToAsync(stream);
}
using (var imageStream = new FileStream(path, FileMode.Open))
{
imageAnalysisVM.ImageAnalysis = await AnalyzeImageInStreamAsync(imageStream);
imageAnalysisVM.Url = $"{baseUrl}img/{imageAnalysisVM.Filename}.png";
imageAnalysisVM.Message = "Success";
}
return(imageAnalysisVM);
}
public async Task <ImageAnalysisVM> AnalyzeImageFileOrUrlAsync(IFormCollection form, string urlBase)
{
var imageAnalysisVM = new ImageAnalysisVM();
if (form.Files.Count > 0)
{
try
{
foreach (var file in form.Files)
{
if (ValidateFile.IsValidImg(file))
{
imageAnalysisVM = await AnalyzeImageFileAsync(file, urlBase);
imageAnalysisVM.Message = "Success";
}
else
{
imageAnalysisVM.Message = "Error: Please make sure to choose an image (.jpeg, .png, .gif) less than or equal to 4 MB and try again!";
}
}
}
catch (Exception)
{
imageAnalysisVM.Message = $"Error: An error occured while analyzing the image.";
}
return(imageAnalysisVM);
}
else
{
try
{
var picUrl = form.FirstOrDefault(x => x.Key == "picurl").Value;
imageAnalysisVM = await AnalyzeUrlImage(picUrl);
imageAnalysisVM.Message = "Success";
}
catch (Exception)
{
imageAnalysisVM.Message = $"Error: The given URL is not valid!";
}
return(imageAnalysisVM);
}
}
