Rating

PopulatingList.java

/**
     * the method used to get all reviews in firebase firestore
     * @param idProduct
     */
    private void getAllReview(String idProduct) {
        progressBar.setVisibility(View.VISIBLE);
        rvReview.setVisibility(View.GONE);
        CollectionReference collectionReference = firebaseFirestore.collection("product");
        DocumentReference documentReference = collectionReference.document(idProduct);
        documentReference.collection("review")
                .get()
                .addOnCompleteListener(task -> {
                    progressBar.setVisibility(View.GONE);
                    rvReview.setVisibility(View.VISIBLE);
                    if (task.getResult().isEmpty()) {
                    } else if (task.isSuccessful()) {
                        List<ReviewModel> listReview = new ArrayList<>();
                        for (DocumentSnapshot documentSnapshot : task.getResult()) {
                            ReviewModel reviewModel = new ReviewModel();
                            try {
                                reviewModel.setName(documentSnapshot.get("name").toString());
                                reviewModel.setReview(documentSnapshot.get("review").toString());
                                reviewModel.setTimeStamp(new Date(documentSnapshot.get("timeStamp").toString()));
                                reviewModel.setTotalStarGiven(Double.parseDouble(documentSnapshot.get("totalStarGiven").toString()));
                            } catch (Exception e) {
                                e.printStackTrace();
                            }
                            listReview.add(reviewModel);
                            initListReview(listReview);
                        }
                    }
                })
                .addOnFailureListener(new OnFailureListener() {
                    @Override
                    public void onFailure(@NonNull Exception e) {

                    }
                });
    }

    //this method used to populating the recyclerview with data of reviews
    private void initListReview(List<ReviewModel> reviewModels) {
        adapter = new ReviewAdapter(reviewModels);
        rvReview.setLayoutManager(new LinearLayoutManager(this));
        rvReview.setAdapter(adapter);
    }