Session - Set/Get session in service

Scenario:

Create a Sign on service to allow creation of users in our app. Add data added details to session

Solution:

1. Add NuGet Microsoft.AspNet.Core.Session
2. In Startup.cs under Configure method



//add before UseEndpoints or if using Mvc as before UseMvc
app.UseSession();



3. In Startup.cs under ConfigureServices method



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services.AddDistributedMemoryCache();
services.AddSession(options => { options.Cookie.Name = ".solutionName.Session"; options.IdleTimeout = TimeSpan.FromMinutes(5); });



4. Set IHttpContextAccessor



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private readonly IHttpContextAccessor _httpContextAccessor;

public SignOnService(ILogger<SignOnService> logger, IHttpContextAccessor httpContextAccessor)
{
 _logger = logger;
 _httpContextAccessor = httpContextAccessor;
}



5. Set session data as below



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//return back to client one user at a time foreach (var user in users) { try { _httpContextAccessor.HttpContext.Session.SetString("message", "Processed request at : " + DateTime.Now.ToString()); await responseStream.WriteAsync(user); } catch (Exception e) { throw; } }