public IActionResult Get([FromQuery] string imageName)
{
byte[] image = _cacheHelper.ProcessCache(imageName);
if (image is null)
{
image = _client.GetImage();
}
return(new FileContentResult(image, ContentTypes.Jpeg));
}
public IActionResult Get()
{
var cacheKey = $"image_{DateTime.UtcNow.Date}";
var image = _cache.Get <byte[]>(cacheKey);
if (image is null)
{
image = _client.GetImage();
var options = new MemoryCacheEntryOptions();
options.AbsoluteExpirationRelativeToNow = TimeSpan.FromSeconds(30);
_cache.Set <byte[]>(cacheKey, image, options);
}
return(new FileContentResult(image, "image/jpeg"));
}
protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
while (!stoppingToken.IsCancellationRequested)
{
var cacheKey = $"image_{DateTime.UtcNow.Date}";
var callInterval = TimeSpan.FromMinutes(2);
var image = _client.GetImage();
var options = new MemoryCacheEntryOptions();
options.AbsoluteExpirationRelativeToNow = callInterval;
_cache.Set <byte[]>(cacheKey, image, options);
await Task.Delay(callInterval);
}
}
protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
while (!stoppingToken.IsCancellationRequested)
{
var imageName = _configuration.ImageName;
var callInterval = TimeSpan.FromMinutes(2);
byte[] image = _cacheHelper.ProcessCache(imageName);
if (image is null)
{
image = _client.GetImage();
}
await Task.Delay(callInterval);
// Recieve information about the image to get
// Check if image is in cache
// Get image from ExternalImageServiceClient
// Add image to cache (if it was fetched)
// Return image
}
}