updated progress indicator for goal

lib/pages/camera/camera_page.dart

@@ -14,6 +14,8 @@ class CameraPage extends StatelessWidget {
   DestinationController destinationController = Get.find<DestinationController>();
   IndexController indexController = Get.find<IndexController>();
 
+  var settingGoal = false.obs;
+
   Timer? timer;
 
   ImageProvider getFinishImage(){
@@ -25,24 +27,29 @@ class CameraPage extends StatelessWidget {
     }
   }
 
-  Widget getAction(BuildContext context){
+  Widget getAction(BuildContext context) {
     if(destinationController.is_at_goal.value && destinationController.is_in_rog.value){
       return Row(
             mainAxisAlignment: MainAxisAlignment.spaceAround,
             children: [
               ElevatedButton(
                 onPressed: (){
+                  if(settingGoal.value ==false){
                     destinationController.openCamera(context);
+                  }
                 }, 
                 child: Text("take_photo of the clock".tr)
               ),
               Obx(() => 
               destinationController.photos.isNotEmpty ?
+                settingGoal.value == false ?
                   ElevatedButton(
                     style: ElevatedButton.styleFrom(
                       primary: Colors.red
                     ),
-                onPressed: (){
+                    onPressed: () async {
+                      settingGoal.value = true;
+                      try{
                         int user_id = indexController.currentUser[0]["user"]["id"];
                         //print("--- Pressed -----");
                         String _team = indexController.currentUser[0]["user"]['team_name'];
@@ -54,7 +61,7 @@ class CameraPage extends StatelessWidget {
                         DateTime now = DateTime.now();
                         String formattedDate = DateFormat('yyyy-MM-dd HH:mm:ss').format(now);
                         
-                  ExternalService().makeGoal(user_id, _token, _team, destinationController.photos[0].path, formattedDate, _event_code).then((value){
+                        await ExternalService().makeGoal(user_id, _token, _team, destinationController.photos[0].path, formattedDate, _event_code).then((value){
                           print("---called ext api ${value['status']} ------");
                           if(value['status'] == 'OK'){
                             Get.back();
@@ -67,9 +74,23 @@ class CameraPage extends StatelessWidget {
                             Get.snackbar("目標が追加されていません", "please_try_again");
                           }
                         });
+                      }
+                      on Exception catch(_){
+                        settingGoal.value = false;
+                      }
+                      finally{
+                        settingGoal.value = false;
+                      }
                     }, 
-                child: Text("finish_goal".tr)
-              ):
+                    child:Text("finish_goal".tr)
+                  )
+                :
+                Container(
+                  child: Center(
+                    child: CircularProgressIndicator(),
+                  ),
+                ) 
+              :
               Container()
               )
             ],