WT 1.1.18+9 sales page products

lib/service/api.dart

@@ -28,6 +28,7 @@ class APIClient with Common, Logging {
       final body = '{"username":"$email", "password":"$password"}';
       request.write(body);
       HttpClientResponse result = await request.close();
+      client.close();
       if (result.statusCode != 200) {
         trace("authentication response: ${result.statusCode}");
         throw Exception("Network error, try again later!");
@@ -58,6 +59,7 @@ class APIClient with Common, Logging {
       //request.contentLength = body.length;
       request.write(body);
       HttpClientResponse result = await request.close();
+      client.close();
       trace(" ------------post response code: " + result.statusCode.toString());
       if (result.statusCode == 200) {
         return await result.transform(utf8.decoder).join();
@@ -90,6 +92,7 @@ class APIClient with Common, Logging {
     request.headers.set('Content-Type', 'application/json');
     request.headers.set('Authorization', 'Bearer $authToken');
     HttpClientResponse result = await request.close();
+    client.close();
     trace(" ------------get response code: " + result.statusCode.toString());
     if (result.statusCode == 200) {
       return await result.transform(utf8.decoder).join();