[Aggregator] Added HttpClientExtensions

src/ApiGateways/Shopping.Aggregator/Extensions/HttpClientExtensions.cs

@@ -0,0 +1,31 @@
+using System.Net.Http;
+using System.Text.Json;
+
+namespace Shopping.Aggregator.Extensions;
+
+public static class HttpClientExtensions
+{
+    public static async Task<T> ReadContentAs<T>(this HttpResponseMessage response)
+    {
+        if(!response.IsSuccessStatusCode)
+            throw new ApplicationException($"Something went wrong calling the API: {response.ReasonPhrase}");
+
+        var dataAsString = await response.Content.ReadAsStringAsync().ConfigureAwait(false);
+        return JsonSerializer.Deserialize<T>(dataAsString, new JsonSerializerOptions { PropertyNameCaseInsensitive = true });
+    }
+
+    // public static Task<HttpResponseMessage> PostAsJsonAsync<T>(
+    //     this HttpClient httpClient, string url, T data)
+    // {
+    //     var dataAsString = JsonConvert.SerializeObject(data);
+    //     var content = new StringContent(dataAsString);
+    //     content.Headers.ContentType = new MediaTypeHeaderValue("application/json");
+    //     return httpClient.PostAsync(url, content);
+    // }
+
+    // public static async Task<T> ReadAsJsonAsync<T>(this HttpContent content)
+    // {
+    //     var dataAsString = await content.ReadAsStringAsync();
+    //     return JsonConvert.DeserializeObject<T>(dataAsString);
+    // }
+}