// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
public void Configure(IApplicationBuilder app, IWebHostEnvironment env, IRedisKeyResolver keyResolver, IDistributedCache cache, IConnectionMultiplexer redis)
{
if (env.IsDevelopment())
{
app.UseDeveloperExceptionPage();
}
else
{
app.UseExceptionHandler("/Home/Error");
}
app.UseStaticFiles();
app.UseRouting();
app.UseAuthorization();
app.UseSession();
app.Use(async(context, next) =>
{
var tempSessionKey = Keys.LastRequestTime + "Temp";
await context.Session.LoadAsync();
context.Session.SetString(Keys.LastRequestTime, context.Session.GetString(tempSessionKey) ?? string.Empty);
context.Session.SetString(tempSessionKey, DateTime.Now.ToString());
await context.Session.CommitAsync();
await next.Invoke();
});
app.Use(async(context, next) =>
{
await next.Invoke();
await cache.SetStringAsync(
keyResolver.GetKeyWithPrefix(Keys.LastRequestTime),
DateTime.Now.ToString(),
new DistributedCacheEntryOptions {
SlidingExpiration = TimeSpan.FromHours(1)
});
});
app.Use(async(context, next) =>
{
await next.Invoke();
var db = redis.GetDatabase();
await db.StringIncrementAsync(new RedisKey("Counter"), flags: CommandFlags.FireAndForget);
});
app.UseEndpoints(endpoints =>
{
endpoints.MapControllerRoute(
name: "default",
pattern: "{controller=Home}/{action=Index}/{id?}");
});
}
public async Task <IActionResult> Info()
{
var appInfoViewModel = new AppInfoViewModel();
appInfoViewModel.LastRequestTime = await _cache.GetStringAsync(_keyResolver.GetKeyWithPrefix(Keys.LastRequestTime));
await HttpContext.Session.LoadAsync();
appInfoViewModel.CurrentUserLastRequestTime = HttpContext.Session.GetString(Keys.LastRequestTime);
var redisValue = await _redis.GetDatabase().StringGetAsync(new RedisKey("Counter"));
appInfoViewModel.RedisCounter = redisValue.ToString();
return(View(appInfoViewModel));
}