Trying to update localDB from API

app/src/main/java/fr/romanet/vj/apps/myweather/ShowTemparature.java

@@ -70,7 +70,10 @@ public class ShowTemparature extends AppCompatActivity {
 
                 // - If it's all right, update Activity Objects with JSON parsed answer
                 Weather weather = response.body();
-                textView2.append(weather.get_temps().get_temp_feels_like());
+//                textView2.append(weather.get_temps().get_temp_feels_like());
+
+                updateCity(weather);
+                updateActivityObjectsFromDB();
 
             }
 
@@ -85,6 +88,53 @@ public class ShowTemparature extends AppCompatActivity {
 
     }
 
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+
+        // - Build Retrofit API tool
+        Retrofit retrofit = new Retrofit.Builder()
+                .baseUrl("https://api.openweathermap.org/data/2.5/")
+                .addConverterFactory(GsonConverterFactory.create())
+                .build();
+
+        // - Build Interface with Retrofit
+        JsonApiInterfce jsonApiInterfce = retrofit.create(JsonApiInterfce.class);
+        Call<Weather> call = jsonApiInterfce.getPost(currentCityName, "metric", "0ac5802392867db8e1ae4f91529f7890");
+
+        // - 'Execute' the GET query with 'enqueue' method, Retrofit will create an AsyncTask that avoids UI Thread freeze Exception.
+        call.enqueue(new Callback<Weather>() {
+
+            // - If GET has an answer...
+            @Override
+            public void onResponse(Call<Weather> call, Response<Weather> response) {
+
+                // - Check if that answer is not an error (like 500, 404, etc)
+                if(! response.isSuccessful()){
+                    textView2.setText("Code: " + response.code());
+                    return;
+                }
+
+                // - If it's all right, update Activity Objects with JSON parsed answer
+                Weather weather = response.body();
+//                textView2.append(weather.get_temps().get_temp_feels_like());
+
+                updateCity(weather);
+                updateActivityObjectsFromDB();
+
+            }
+
+            // - If GET has no answer...
+            @Override
+            public void onFailure(Call<Weather> call, Throwable t) {
+
+                // - Display error message
+                textView2.setText("Error: " + t.getMessage());
+            }
+        });
+    }
+
     @Override
     public boolean onCreateOptionsMenu(Menu menu) {
         getMenuInflater().inflate(R.menu.menu_items, menu);
@@ -116,4 +166,30 @@ public class ShowTemparature extends AppCompatActivity {
             }
         }
     }
+
+    public void updateCity(Weather weather){
+        City updated_city = new City(currentCityName);
+        updated_city.setW_temp(weather.get_temps().get_temp());
+        updated_city.setW_feelsliketemp(weather.get_temps().get_temp_feels_like());
+        updated_city.setW_icon(weather.get_weatherDescription().get_icon());
+        updated_city.setW_maxtemp(weather.get_temps().get_temp_max());
+        updated_city.setW_mintemp(weather.get_temps().get_temp_min());
+
+        CityRepository.getInstance(this).updateCity(updated_city);
+    }
+
+    public void updateActivityObjectsFromDB(){
+        final List<City> city = CityRepository.getInstance(this).getCity();
+        String temp;
+        for(int i = 0; i < city.size(); i++)
+        {
+            if(city.get(i).nameCity.equals(currentCityName))
+            {
+                temp = city.get(i).nameCity;
+                Log.d("DEBUG1", "---------------------------------------->" + temp);
+                textView2.setText(temp);
+                CityRepository.getInstance(this).deleteCity(city.get(i));
+            }
+        }
+    }
 }