#33 Capture httpRequest/Response

QuickBooksSharp/Authentication/AuthenticationService.cs

@@ -1,4 +1,5 @@
 using Flurl;
+using Microsoft.Extensions.Logging;
 using System;
 using System.Collections.Generic;
 using System.Net.Http;
@@ -10,7 +11,8 @@ namespace QuickBooksSharp
 {
     public class AuthenticationService : IAuthenticationService
     {
-        private readonly QuickBooksHttpClient _client = new QuickBooksHttpClient(null, null, new NoRetryRunPolicy());
+        private readonly QuickBooksHttpClient _client = new QuickBooksHttpClient(null, null, new NoRetryRunPolicy(), null);
+        private readonly ILogger? _logger;
 
         //TODO: retrieve the endpoints URLs dynamically
         //See https://developer.intuit.com/app/developer/qbo/docs/develop/authentication-and-authorization/oauth-openid-discovery-doc
@@ -20,6 +22,12 @@ public class AuthenticationService : IAuthenticationService
         private const string USER_INFO_ENDPOINT_URL = "https://accounts.platform.intuit.com/v1/openid_connect/userinfo";
         private const string USER_INFO_ENDPOINT_SANDBOX_URL = "https://sandbox-accounts.platform.intuit.com/v1/openid_connect/userinfo";
 
+        public AuthenticationService(ILogger? logger = null)
+        {
+            _logger = logger;   
+            _client = new QuickBooksHttpClient(null, null, new NoRetryRunPolicy(), logger);
+        }
+
         public string GenerateAuthorizationPromptUrl(string clientId, IEnumerable<string> scopes, string redirectUrl, string state)
         {
             return new Url("https://appcenter.intuit.com/connect/oauth2")
@@ -33,7 +41,7 @@ public string GenerateAuthorizationPromptUrl(string clientId, IEnumerable<string
 
         public async Task<UserInfo> GetUserInfo(string accessToken, bool useSandbox)
         {
-            return await new QuickBooksHttpClient(accessToken, null, RunPolicy.DefaultRunPolicy).GetAsync<UserInfo>(useSandbox ? USER_INFO_ENDPOINT_SANDBOX_URL : USER_INFO_ENDPOINT_URL);
+            return await new QuickBooksHttpClient(accessToken, null, RunPolicy.DefaultRunPolicy, _logger).GetAsync<UserInfo>(useSandbox ? USER_INFO_ENDPOINT_SANDBOX_URL : USER_INFO_ENDPOINT_URL);
         }
 
         public async Task<TokenResponse> GetOAuthTokenAsync(string clientId, string clientSecret, string code, string redirectUrl)

QuickBooksSharp/Infrastructure/QuickBooksHttpClient.cs

@@ -1,4 +1,5 @@
 using Flurl;
+using Microsoft.Extensions.Logging;
 using System;
 using System.Net;
 using System.Net.Http;
@@ -16,6 +17,7 @@ public class QuickBooksHttpClient : IQuickBooksHttpClient
         private readonly string? _accessToken;
         private readonly long? _realmId;
         private IRunPolicy _runPolicy;
+        private ILogger? _logger;
 
         private static HttpClient _httpClient = new HttpClient(new HttpClientHandler
         {
@@ -43,11 +45,12 @@ static QuickBooksHttpClient()
             _httpClient.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
         }
 
-        public QuickBooksHttpClient(string? accessToken, long? realmId, IRunPolicy runPolicy)
+        public QuickBooksHttpClient(string? accessToken, long? realmId, IRunPolicy runPolicy, ILogger? logger)
         {
             _accessToken = accessToken;
             _realmId = realmId;
             _runPolicy = runPolicy;
+            _logger = logger;
         }
 
         public async Task<TResponse> GetAsync<TResponse>(Url url)
@@ -80,7 +83,40 @@ public async Task<HttpResponseMessage> SendAsync(Func<HttpRequestMessage> makeRe
                     if (_accessToken != null)
                         request.Headers.Authorization = new AuthenticationHeaderValue("Bearer", _accessToken);
 
+                    Guid requestGuid = Guid.NewGuid();
+
+                    if (_logger != null)
+                    {
+                        string requestString = string.Empty;
+                        if (request.Content != null)
+                        {
+                            await request.Content.LoadIntoBufferAsync(); //Ensure content is buffered for logging in case of retries
+                            requestString = await request.Content.ReadAsStringAsync();
+                        }
+                        _logger?.LogDebug(100, "Sending request {requestGuid} to {RequestUrl} with body {RequestBody} and headers {RequestHeaders}",
+                            requestGuid,
+                            request.RequestUri,
+                            requestString,
+                            request.Headers);
+                    }
+
                     var response = await _httpClient.SendAsync(request);
+
+                    if (_logger != null)
+                    {
+                        string responseString = string.Empty;
+                        if (response.Content != null)
+                        {
+                            await response.Content.LoadIntoBufferAsync(); //Ensure content is buffered for logging in case of retries
+                            responseString = await response.Content.ReadAsStringAsync();
+                        }
+                        _logger?.LogDebug(101, "Received response {StatusCode} for request {requestGuid} with body {ResponseBody} and headers {ResponseHeaders}",
+                            response.StatusCode,
+                            requestGuid,
+                            responseString,
+                            response.Headers);
+                    }
+
                     var ex = response.IsSuccessStatusCode ? null : new QuickBooksException(request, response, await response.Content.ReadAsStringAsync());
 
                     if (ex?.IsRateLimit == true)

QuickBooksSharp/QuickBooksSharp.csproj

@@ -19,6 +19,7 @@
 	<ItemGroup>
 		<PackageReference Include="Flurl" Version="3.0.1" />
 		<PackageReference Include="Macross.Json.Extensions" Version="2.0.0" />
+		<PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="9.0.10" />
 		<PackageReference Include="System.Net.Http.Json" Version="5.0.0" />
 		<PackageReference Include="System.Reactive" Version="6.0.0" />
 	</ItemGroup>

QuickBooksSharp/Services/DataService.cs

@@ -1,4 +1,5 @@
 using Flurl;
+using Microsoft.Extensions.Logging;
 using QuickBooksSharp.Entities;
 using System;
 using System.Collections.Generic;
@@ -16,9 +17,9 @@ public class DataService : IDataService
 
         protected readonly Url _serviceUrl;
 
-        public DataService(string accessToken, long realmId, bool useSandbox, IRunPolicy? runPolicy = null)
+        public DataService(string accessToken, long realmId, bool useSandbox, IRunPolicy? runPolicy = null, ILogger? logger = null)
         {
-            _client = new QuickBooksHttpClient(accessToken, realmId, runPolicy ?? RunPolicy.DefaultRunPolicy);
+            _client = new QuickBooksHttpClient(accessToken, realmId, runPolicy ?? RunPolicy.DefaultRunPolicy, logger);
             _serviceUrl = QuickBooksUrl.Build(useSandbox, realmId);
         }