wt1.1.2 new treeview, bar chart for muscle development

lib/service/api.dart

@@ -21,12 +21,13 @@ class APIClient with Common {
           'Content-Type': 'application/json',
           'Authorization' : "Bearer " + authToken }
     );
+    print(" ------------get response code: " + response.statusCode.toString());
     if(response.statusCode == 200) {
       return utf8.decode(response.bodyBytes);
     } else if(response.statusCode == 404 ) {
       throw NotFoundException(message: "Not Found");
     } else {
-      throw Exception("Unable to perform HTTP request!");
+      throw Exception("Network Error, please try again later");
     }
   }
 
@@ -49,8 +50,9 @@ class APIClient with Common {
         },
         body: body,
     );
-    String decodedResponse = utf8convert(response.body);
-    print(" ------------ response: " + decodedResponse);
+    print(" ------------post response code: " + response.statusCode.toString());
+    final String decodedResponse = utf8convert(response.body);
+    print(" ------------ response: $decodedResponse");
     return decodedResponse;
   }
 
@@ -59,6 +61,7 @@ class APIClient with Common {
 
     try {
       final body = '{"username":"$email", "password":"$password"}';
+      print("authentication with $email");
       final response = await http.post(
           uri,
           headers: {

lib/service/exercise_plan_service.dart

@@ -1,4 +1,3 @@
-import 'package:aitrainer_app/model/cache.dart';
 import 'package:aitrainer_app/model/exercise_plan.dart';
 import 'package:aitrainer_app/model/exercise_plan_detail.dart';
 import 'package:aitrainer_app/util/not_found_exception.dart';
@@ -17,7 +16,7 @@ class ExercisePlanApi {
         "exercise_plan",
         body);
       savedExercisePlan = ExercisePlan.fromJson(jsonDecode(responseBody));
-      Cache().setTraineeExercisePlan(savedExercisePlan);
+
     } on Exception catch(e) {
       throw new Exception(e.toString());
     }
@@ -28,14 +27,14 @@ class ExercisePlanApi {
       ExercisePlan exercisePlan,
       int exercisePlanId) async {
     String body = JsonEncoder().convert(exercisePlan.toJson());
-    print(" ===== saving exercisePlan $exercisePlan");
+    print(" ===== update exercisePlan $exercisePlan");
     ExercisePlan updatedExercisePlan;
     try {
       final String responseBody = await _client.post(
         "exercise_plan/" + exercisePlanId.toString(),
         body);
       updatedExercisePlan = ExercisePlan.fromJson(jsonDecode(responseBody));
-      Cache().setTraineeExercisePlan(updatedExercisePlan);
+
     } on Exception catch(e) {
       throw new Exception(e.toString());
     }
@@ -44,7 +43,7 @@ class ExercisePlanApi {
 
   Future<ExercisePlanDetail> saveExercisePlanDetail(ExercisePlanDetail exercisePlanDetail) async {
     String body = JsonEncoder().convert(exercisePlanDetail.toJson());
-    print(" ===== update exercisePlanDetail $exercisePlanDetail");
+    print(" ===== save exercisePlanDetail $exercisePlanDetail");
     ExercisePlanDetail savedExercisePlanDetail;
     try {
       final String responseBody = await _client.post(