Change DI sample to use IHttpClientFactory

brettsam · web-flow · commit 612bb5997dd7 · 2019-06-04T13:23:17.000-07:00
HttpClient cannot be directly injected into a function class like this. See here for the explanation: Azure/azure-functions-host#4520 (comment)
diff --git a/articles/azure-functions/functions-dotnet-dependency-injection.md b/articles/azure-functions/functions-dotnet-dependency-injection.md
@@ -64,10 +64,10 @@ namespace MyNamespace
         private readonly IMyService _service;
         private readonly HttpClient _client;
 
-        public HttpTrigger(IMyService service, HttpClient client)
+        public HttpTrigger(IMyService service, IHttpClientFactory httpClientFactory)
         {
             _service = service;
-            _client = client;
+            _client = httpClientFactory.CreateClient();;
         }
 
         [FunctionName("GetPosts")]

Original file line number	Diff line number	Diff line change
`@@ -64,10 +64,10 @@ namespace MyNamespace`
`64`	`64`	`private readonly IMyService _service;`
`65`	`65`	`private readonly HttpClient _client;`
`66`	`66`
`67`		`- public HttpTrigger(IMyService service, HttpClient client)`
	`67`	`+ public HttpTrigger(IMyService service, IHttpClientFactory httpClientFactory)`
`68`	`68`	`{`
`69`	`69`	`_service = service;`
`70`		`- _client = client;`
	`70`	`+ _client = httpClientFactory.CreateClient();;`
`71`	`71`	`}`
`72`	`72`
`73`	`73`	`[FunctionName("GetPosts")]`