java - 如何在firestore（计步器）中跟踪日期和更新文档？

Question

我正在开发一个与 firebase 集成的计步器的个人项目，但我对日期不太满意。不知道您是否可以提供帮助...我要实现的目标是当用户单击当天活动的保存/更新时，它应该更新当天的同一特定文档。第二天打开应用程序时，它应该在其集合下的 firestore 中创建另一个文档，并且当用户单击更新时……相同的过程继续进行。但是当我比较代码中的两个字符串时，我没有得到预期的实际结果。当我运行应用程序并单击更新时。它不断在同一集合下添加具有相同日期的新文档。有什么办法可以解决这个问题？在此先感谢 查看图片

    mSaveDataToFireStore.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {

            String stepCountNum = mTV_StepCounter.getText().toString();
            String stepCountMeter = mTV_StepCounter_meter.getText().toString();
            String stepCalories = mCalories_Burn.getText().toString();
            String stepDuration = mCounter_Duration.getText().toString();
            
            DateFormat dateFormat = new SimpleDateFormat("E, MMM dd yyyy");
            Date date = new Date();
            saveCurrentDate = dateFormat.format(date).toString();


            Calendar callForDate = Calendar.getInstance();
            
            SimpleDateFormat currentDay = new SimpleDateFormat("E");
            saveCurrentDay = currentDay.format(callForDate.getTime());

            SimpleDateFormat currentTime = new SimpleDateFormat("HH:mm:ss a");
            saveCurrentTime = currentTime.format(callForDate.getTime());

            FirebaseUser AppUser = FirebaseAuth.getInstance().getCurrentUser();
            if (AppUser != null) {
                USER_ID = FirebaseAuth.getInstance().getCurrentUser().getUid();
                STEP_COUNTER = FirebaseAuth.getInstance().getCurrentUser().getUid();

                CollectionReference colRef = FirebaseFirestore.getInstance()
                        .collection("REGISTERED USERS").document(USER_ID)
                        .collection("STEP COUNTER");

                colRef.get().addOnSuccessListener(new OnSuccessListener<QuerySnapshot>() {
                    @Override
                    public void onSuccess(QuerySnapshot queryDocumentSnapshots) {
                        StepCounter_Model stepCountUpdate = new StepCounter_Model(saveCurrentDate, saveCurrentDay, saveCurrentTime, stepCountNum,
                                stepCountMeter, stepCalories, stepDuration);
                        

                        if (!queryDocumentSnapshots.isEmpty()) {

                            for (QueryDocumentSnapshot documentSnapshot : queryDocumentSnapshots) {
                                String currentDayy = documentSnapshot.getString("mStepDay");
                                String currentDatee = documentSnapshot.getString("mStepDate");

                                StepCounter_Model StepCountData = documentSnapshot.toObject(StepCounter_Model.class);


                                DateFormat dateFormat = new SimpleDateFormat("E, MMM dd yyyy");
                                Date date = new Date();
                                String getTodayDate = dateFormat.format(date).toString();



                                if (currentDatee.compareTo(getTodayDate) == 0) {
                                    //currentDatee.equals(getTodayDate) && currentDatee.matches(getTodayDate) && !currentDatee.isEmpty()
                                    Toast.makeText(StepTrackerActivity.this, "Data updated successfully", Toast.LENGTH_SHORT).show();

                                    StepCountData.setmStepID(documentSnapshot.getId());
                                    String documentID = StepCountData.getmStepID();

                                    Map<String, Object> saveInfo = new HashMap<>();
                                    saveInfo.put("mStepDate", stepCountUpdate.mStepDate);
                                    saveInfo.put("mStepDay", stepCountUpdate.mStepDay);
                                    saveInfo.put("mStepTime", stepCountUpdate.mStepTime);
                                    saveInfo.put("mStepCount", stepCountUpdate.mStepCount);
                                    saveInfo.put("mStepCountMeter", stepCountUpdate.mStepCountMeter);
                                    saveInfo.put("mStepCalories", stepCountUpdate.mStepCalories);
                                    saveInfo.put("mStepDuration", stepCountUpdate.mStepDuration);

                                    colRef.document(documentID).update(saveInfo);

                                    return;

                                }
                                if (currentDatee.compareTo(getTodayDate) < 0 || currentDatee.compareTo(getTodayDate) > 0) {
                                    //!currentDatee.equals(getTodayDate) && !currentDatee.matches(getTodayDate)
                                    //resetCounter();
                                    addTo_FireStoreDB(saveCurrentDate, saveCurrentDay, saveCurrentTime, stepCountNum,
                                            stepCountMeter, stepCalories, stepDuration);

                                    return;

                                }


                            }

                        } else {


                            addTo_FireStoreDB(saveCurrentDate, saveCurrentDay, saveCurrentTime, stepCountNum,
                                    stepCountMeter, stepCalories, stepDuration);

                        }
                    }
                });
            }



        }
    });