Feature/migrate to minimal api (#662)

* migrate from classic controller to minimal api

* fix all PublicApi integration test

* update all nuget package add forget project

* fix pay now

* Adapt readme use in memory database

* undo AuthenticateEndpoint to use EndpointBaseAsync

* Update README.md

Co-authored-by: Steve Smith <steve@kentsmiths.com>

Co-authored-by: Steve Smith <steve@kentsmiths.com>

tests/PublicApiIntegrationTests/AuthEndpoints/AuthenticateEndpointTest.cs

@@ -0,0 +1,36 @@
+using Microsoft.AspNetCore.Mvc.Testing;
+using Microsoft.eShopWeb;
+using Microsoft.eShopWeb.ApplicationCore.Constants;
+using Microsoft.eShopWeb.PublicApi.AuthEndpoints;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using System.Net.Http;
+using System.Text;
+using System.Text.Json;
+using System.Threading.Tasks;
+
+namespace PublicApiIntegrationTests.AuthEndpoints
+{
+    [TestClass]
+    public class AuthenticateEndpoint
+    {      
+        [TestMethod]
+        [DataRow("demouser@microsoft.com", AuthorizationConstants.DEFAULT_PASSWORD, true)]
+        [DataRow("demouser@microsoft.com", "badpassword", false)]
+        [DataRow("baduser@microsoft.com", "badpassword", false)]
+        public async Task ReturnsExpectedResultGivenCredentials(string testUsername, string testPassword, bool expectedResult)
+        {
+            var request = new AuthenticateRequest()
+            {
+                Username = testUsername,
+                Password = testPassword
+            };
+            var jsonContent = new StringContent(JsonSerializer.Serialize(request), Encoding.UTF8, "application/json");
+            var response = await ProgramTest.NewClient.PostAsync("api/authenticate", jsonContent);
+            response.EnsureSuccessStatusCode();
+            var stringResponse = await response.Content.ReadAsStringAsync();
+            var model = stringResponse.FromJson<AuthenticateResponse>();
+
+            Assert.AreEqual(expectedResult, model.Result);
+        }
+    }
+}