public BagsController(ILogger <BagsController> logger, IGenericCacheService cache, BagContext context,
IWebHostEnvironment environment)
{
_logger = logger;
_cache = cache;
_context = context;
_webHostEnvironment = environment;
}
public AccountController(UserManager <IdentityUser> userManager,
SignInManager <IdentityUser> signInManager,
IGenericCacheService cache, BagContext context)
{
this.userManager = userManager;
this.signInManager = signInManager;
_cache = cache;
_context = context;
}
public CategoryController(
IDictionaryService dictionaryService,
IGenericCacheService <byte[]> cacheImage,
IMapper mapper)
{
_dictionaryService = dictionaryService;
_cacheImage = cacheImage;
_mapper = mapper;
}
public async Task InvokeAsync(HttpContext context, IGenericCacheService <byte[]> cache)
{
Stream originalBody = context.Response.Body;
if (context.Request.Path.ToString()
.ToLower().Contains("image"))
{
var key = context.Request.Path.ToString();
var image = await cache.GetEntityAsync(key);
if (image != null)
{
context.Response.ContentType = "image/png";
await context.Response.Body.WriteAsync(image);
return;
}
}
try
{
using (var memStream = new MemoryStream())
{
context.Response.Body = memStream;
await _next(context);
memStream.Position = 0;
await memStream.CopyToAsync(originalBody);
if (context.Response.StatusCode == (int)HttpStatusCode.OK &&
context.Response.ContentType == "image/png")
{
try
{
memStream.Position = 0;
var responseBody = memStream.GetBuffer();
await cache.SetEntityAsync(context.Request.Path.ToString(), responseBody);
}
catch (System.Exception ex)
{
throw new System.Exception("Error writing response form cache", ex);
}
}
}
}
finally
{
context.Response.Body = originalBody;
}
}
public LinksController(ILogger <LinksController> logger, IGenericCacheService cache, BagContext context)
{
_logger = logger;
_cache = cache;
_context = context;
}
