Examples with DataSnapshot com.google.firebase.database.DataSnapshot used on opensource projects

Example 31 with DataSnapshot

use of com.google.firebase.database.DataSnapshot in project MadMax by deviz92.

the class FriendsFragment method onCreateView.

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    final String activityName = getActivity().getClass().getSimpleName();
    Log.d(TAG, "Sono nella activity: " + activityName);
    final View view = inflater.inflate(R.layout.skeleton_list, container, false);
    databaseReference = FirebaseDatabase.getInstance().getReference();
    friends.clear();
    setInterface((OnItemClickInterface) getActivity(), (OnItemLongClickInterface) getActivity());
    RecyclerView.ItemDecoration divider = new InsetDivider.Builder(getContext()).orientation(InsetDivider.VERTICAL_LIST).dividerHeight(getResources().getDimensionPixelSize(R.dimen.divider_height)).color(ContextCompat.getColor(getContext(), R.color.colorDivider)).insets(getResources().getDimensionPixelSize(R.dimen.divider_inset), 0).overlay(true).build();
    recyclerView = (RecyclerView) view.findViewById(R.id.rv_skeleton);
    layoutManager = new LinearLayoutManager(getActivity(), LinearLayoutManager.VERTICAL, false);
    recyclerView.setLayoutManager(layoutManager);
    recyclerView.addItemDecoration(divider);
    friendsViewAdapter = new FriendsViewAdapter(this.getContext(), this, this, friends, groupDetail);
    recyclerView.setAdapter(friendsViewAdapter);
    // Se sono in MainActivity visualizzo lista degli amici
    if (activityName.equals("MainActivity")) {
        query = databaseReference.child("users").child(MainActivity.getCurrentUID()).child("friends");
    } else // Se sono dentro un gruppo, visualizzo lista membri del gruppo
    if (activityName.equals("GroupDetailActivity")) {
        Bundle b = this.getArguments();
        if (b != null) {
            groupID = b.getString("groupID");
            query = databaseReference.child("groups").child(groupID).child("members");
        }
    }
    Log.d(TAG, "query: " + query);
    groupMembersListener = query.addValueEventListener(new ValueEventListener() {

        @Override
        public void onDataChange(final DataSnapshot externalDataSnapshot) {
            // svuoto la map, così se viene eliminato uno user dal db, non viene tenuto nella map che si ricarica da zero
            friends.clear();
            for (final DataSnapshot friendSnapshot : externalDataSnapshot.getChildren()) {
                // getFriend(friendSnapshot.getKey());
                if (activityName.equals("MainActivity")) {
                    Log.d(TAG, "key: " + friendSnapshot.getKey());
                    Log.d(TAG, "value: " + friendSnapshot.getValue());
                    if (!listenedFriends)
                        listenedFriends = true;
                    // Log.d(TAG,  friendSnapshot.child("deleted").getValue() + " ");
                    deleted = friendSnapshot.child("deleted").getValue(Boolean.class);
                    if (deleted == null) {
                        deleted = true;
                    }
                    if (deleted)
                        Log.d(TAG, friendSnapshot.getKey() + " is cancelled");
                } else if (activityName.equals("GroupDetailActivity")) {
                    deleted = friendSnapshot.child("deleted").getValue(Boolean.class);
                    if (deleted == null) {
                        deleted = true;
                    }
                    // Se sono negli amici "generali" e non nei membri di un gruppo, non c'è il campo deleted, quindi sarà null
                    if (!listenedGroups.contains(groupID))
                        listenedGroups.add(groupID);
                }
                if (!deleted) {
                    final String id = friendSnapshot.getKey();
                    databaseReference.child("users").child(id).addValueEventListener(new ValueEventListener() {

                        @Override
                        public void onDataChange(DataSnapshot dataSnapshot) {
                            String name = dataSnapshot.child("name").getValue(String.class);
                            String surname = dataSnapshot.child("surname").getValue(String.class);
                            String profileImage = dataSnapshot.child("image").getValue(String.class);
                            if (activityName.equals("MainActivity")) {
                                User u = new User();
                                u.setID(friendSnapshot.getKey());
                                u.setName(name);
                                u.setSurname(surname);
                                u.setProfileImage(profileImage);
                                if (!deleted)
                                    friends.put(id, u);
                                else
                                    friends.remove(id);
                                friendsViewAdapter.update(friends);
                                friendsViewAdapter.notifyDataSetChanged();
                            } else if (activityName.equals("GroupDetailActivity")) {
                                getUserAndGroupBalance(id, name, surname, profileImage, groupID);
                            }
                        }

                        @Override
                        public void onCancelled(DatabaseError databaseError) {
                        }
                    });
                }
            }
            friendsViewAdapter.update(friends);
        }

        @Override
        public void onCancelled(DatabaseError databaseError) {
            Log.w(TAG, databaseError.getMessage());
        }
    });
    Log.d(TAG, "dopo setAdapter");
    return view;
}

Example 32 with DataSnapshot

use of com.google.firebase.database.DataSnapshot in project MadMax by deviz92.

the class User method joinGroup.

public void joinGroup(String groupID, String inviterID) {
    final DatabaseReference databaseReference = FirebaseUtils.getDatabaseReference();
    final String currentUID = this.getID();
    // Aggiungo gruppo alla lista gruppi dello user
    databaseReference.child("users").child(currentUID).child("groups").push();
    databaseReference.child("users").child(currentUID).child("groups").child(groupID).setValue("true");
    // Aggiungo user (con sottocampi admin e timestamp) alla lista membri del gruppo
    databaseReference.child("groups").child(groupID).child("members").push();
    databaseReference.child("groups").child(groupID).child("members").child(currentUID).push();
    databaseReference.child("groups").child(groupID).child("members").child(currentUID).child("admin").setValue(false);
    databaseReference.child("groups").child(groupID).child("members").child(currentUID).push();
    String timestamp = new SimpleDateFormat("yyyy.MM.dd.HH.mm.ss").format(new java.util.Date());
    databaseReference.child("groups").child(groupID).child("members").child(currentUID).child("timestamp").setValue(timestamp);
    // aggiunto da riky
    databaseReference.child("groups").child(groupID).child("members").child(currentUID).push();
    databaseReference.child("groups").child(groupID).child("members").child(currentUID).child("deleted").setValue(false);
    // aggiungo l'invitante agli amici se non lo è già
    if (!userFriends.containsKey(inviterID)) {
        // todo aggiungere l'invitato tra gli amici dell'invitante
        addFriend(inviterID);
    }
    // Incremento il numero di partecipanti
    databaseReference.child("groups").child(groupID).child("numberMembers").runTransaction(new Transaction.Handler() {

        @Override
        public Transaction.Result doTransaction(MutableData mutableData) {
            Integer numberMembers = mutableData.getValue(Integer.class);
            if (numberMembers == null) {
                return Transaction.success(mutableData);
            }
            // Set value and report transaction success
            mutableData.setValue(numberMembers + 1);
            return Transaction.success(mutableData);
        }

        @Override
        public void onComplete(DatabaseError databaseError, boolean b, DataSnapshot dataSnapshot) {
            // Transaction completed
            Log.d(TAG, "postTransaction:onComplete:" + databaseError);
        }
    });
}

Example 33 with DataSnapshot

use of com.google.firebase.database.DataSnapshot in project MadMax by deviz92.

the class FirebaseUtils method removeExpenseFirebase.

public void removeExpenseFirebase(final String expenseID, final Context context) {
    databaseReference.child("expenses").child(expenseID).addValueEventListener(new ValueEventListener() {

        @Override
        public void onDataChange(DataSnapshot dataSnapshot) {
            String groupID = dataSnapshot.child("groupID").getValue(String.class);
            // aggiunto da riky per mandare la notifica a tutti tranne a chi ha eliminato la spesa
            databaseReference.child("expenses").child(expenseID).child("deletedBy").setValue(MainActivity.getCurrentUID());
            // Elimino spesa dal gruppo
            databaseReference.child("groups").child(groupID).child("expenses").child(expenseID).setValue(false);
            // Per ogni participant elimino la spesa dal suo elenco spese
            for (DataSnapshot participantSnapshot : dataSnapshot.child("participants").getChildren()) {
                String participantID = participantSnapshot.getKey();
                databaseReference.child("users").child(participantID).child("expenses").child(expenseID).setValue(false);
            }
            // Elimino commenti sulla spesa
            databaseReference.child("comments").child(groupID).removeValue();
            // Elimino spesa
            databaseReference.child("expenses").child(expenseID).child("deleted").setValue(true);
            // Toast.makeText(context,context.getString(R.string.expense_removed),Toast.LENGTH_SHORT).show();
            // add event for EXPENSE_REMOVE
            databaseReference.child("expenses").child(expenseID).addListenerForSingleValueEvent(new ValueEventListener() {

                @Override
                public void onDataChange(DataSnapshot dataSnapshot) {
                    User currentUser = MainActivity.getCurrentUser();
                    Event event = new Event(dataSnapshot.child("groupID").getValue(String.class), Event.EventType.EXPENSE_REMOVE, currentUser.getName() + " " + currentUser.getSurname(), dataSnapshot.child("description").getValue(String.class));
                    event.setDate(new SimpleDateFormat("yyyy.MM.dd").format(new java.util.Date()));
                    event.setTime(new SimpleDateFormat("HH:mm").format(new java.util.Date()));
                    FirebaseUtils.getInstance().addEvent(event);
                }

                @Override
                public void onCancelled(DatabaseError databaseError) {
                    Log.w(TAG, databaseError.toException());
                }
            });
        /*Intent intent = new Intent(context, GroupDetailActivity.class);
                intent.putExtra("groupID", groupID);
                intent.putExtra("userID", MainActivity.getCurrentUID());
                intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                context.startActivity(intent);*/
        }

        @Override
        public void onCancelled(DatabaseError databaseError) {
        }
    });
}

Example 34 with DataSnapshot

use of com.google.firebase.database.DataSnapshot in project MadMax by deviz92.

the class FirebaseUtils method removePendingExpenseFirebase.

public void removePendingExpenseFirebase(final String expenseID, final Context context) {
    databaseReference.child("proposedExpenses").child(expenseID).addValueEventListener(new ValueEventListener() {

        @Override
        public void onDataChange(DataSnapshot dataSnapshot) {
            String groupID = dataSnapshot.child("groupID").getValue(String.class);
            // Elimino spesa pending dal gruppo
            databaseReference.child("groups").child(groupID).child("proposedExpenses").child(expenseID).setValue(false);
            // Per ogni participant elimino la spesa pending dal suo elenco spese pending
            for (DataSnapshot participantSnapshot : dataSnapshot.child("participants").getChildren()) {
                String participantID = participantSnapshot.getKey();
                databaseReference.child("users").child(participantID).child("proposedExpenses").child(expenseID).setValue(false);
            }
            // todo Elimino commenti sulla spesa pending
            // databaseReference.child("comments").child(groupID).removeValue();
            // Elimino spesa pending
            databaseReference.child("proposedExpenses").child(expenseID).child("deleted").setValue(true);
            // Toast.makeText(context, context.getString(R.string.expense_removed), Toast.LENGTH_SHORT).show();
            // add event for PENDING_EXPENSE_REMOVE
            databaseReference.child("proposedExpenses").child(expenseID).addListenerForSingleValueEvent(new ValueEventListener() {

                @Override
                public void onDataChange(DataSnapshot dataSnapshot) {
                    User currentUser = MainActivity.getCurrentUser();
                    Event event = new Event(dataSnapshot.child("groupID").getValue(String.class), Event.EventType.PENDING_EXPENSE_REMOVE, currentUser.getName() + " " + currentUser.getSurname(), dataSnapshot.child("description").getValue(String.class));
                    event.setDate(new SimpleDateFormat("yyyy.MM.dd").format(new java.util.Date()));
                    event.setTime(new SimpleDateFormat("HH:mm").format(new java.util.Date()));
                    FirebaseUtils.getInstance().addEvent(event);
                }

                @Override
                public void onCancelled(DatabaseError databaseError) {
                    Log.w(TAG, databaseError.toException());
                }
            });
        /*Intent intent = new Intent(context, MainActivity.class);
                intent.putExtra("currentFragment", 2);
                intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                context.startActivity(intent);*/
        }

        @Override
        public void onCancelled(DatabaseError databaseError) {
        }
    });
}

Example 35 with DataSnapshot

use of com.google.firebase.database.DataSnapshot in project iNGAGE by davis123123.

the class PostThreadActivity method checkPageExist.

public void checkPageExist(String threadTitle) {
    Log.d("CHECKPAGE", "yes3");
    final DatabaseReference post_root = FirebaseDatabase.getInstance().getReference().child(threadTitle);
    post_root.runTransaction(new Transaction.Handler() {

        @Override
        public Transaction.Result doTransaction(MutableData mutableData) {
            Log.d("ROOT", String.valueOf(mutableData));
            if (mutableData.hasChildren()) {
                Log.d("ROOTCHILDREN", "yes");
            } else {
                Log.d("ROOTCHILDREN", "no");
                Map<String, Object> map_page = new HashMap<String, Object>();
                map_page.put("1", "");
                String fPage = "1";
                post_root.updateChildren(map_page);
            }
            return Transaction.success(mutableData);
        }

        @Override
        public void onComplete(DatabaseError databaseError, boolean b, DataSnapshot dataSnapshot) {
        }
    });
}