public async Task OnActionExecutionAsync(ActionExecutingContext context, ActionExecutionDelegate next)
{
var ctx = context.HttpContext;
if (CheckSupportedMethods(ctx))
{
var(imageName, imagePath) = await GetImageSpecsAsync(ctx);
if (File.Exists(imagePath))
{
_logger.LogInformation("Returned {ImageName} from cache",
_imageSource.ImageNameWithExtension(imageName));
var image = _imageSource.GenerateImageTag(imagePath);
GenerateCacheHeadersAsync(ctx, image);
// await GenerateETagHeaderAsync(ctx);
context.Result = new ContentResult {
Content = image, ContentType = "text/html"
};
}
else
{
await next();
}
}
}
public async Task <IActionResult> Get([FromRoute] DimensionsModel dimensionsModel)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
var dimensions = new Tuple <int, int>(dimensionsModel.Width, dimensionsModel.Height);
var result = await _fakePhotoService.GetBytePhotoByDimensionsAsync(dimensions);
var imageFullPath = await _imageSourceService.WriteImageFileAsync(dimensions, result);
var imageSource = _imageSourceService.GenerateImageTag(imageFullPath);
return(Content(imageSource, "text/html"));
}