package
com.example.socialmediaapp;
import
android.os.Bundle;
import
android.text.TextUtils;
import
android.view.LayoutInflater;
import
android.view.Menu;
import
android.view.MenuInflater;
import
android.view.MenuItem;
import
android.view.View;
import
android.view.ViewGroup;
import
android.widget.SearchView;
import
androidx.annotation.NonNull;
import
androidx.annotation.Nullable;
import
androidx.core.view.MenuItemCompat;
import
androidx.fragment.app.Fragment;
import
androidx.recyclerview.widget.LinearLayoutManager;
import
androidx.recyclerview.widget.RecyclerView;
import
com.google.firebase.auth.FirebaseAuth;
import
com.google.firebase.auth.FirebaseUser;
import
com.google.firebase.database.DataSnapshot;
import
com.google.firebase.database.DatabaseError;
import
com.google.firebase.database.DatabaseReference;
import
com.google.firebase.database.FirebaseDatabase;
import
com.google.firebase.database.ValueEventListener;
import
java.util.ArrayList;
import
java.util.List;
public
class
UsersFragment
extends
Fragment {
RecyclerView recyclerView;
AdapterUsers adapterUsers;
List<ModelUsers> usersList;
FirebaseAuth firebaseAuth;
public
UsersFragment() {
}
@Override
public
View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_users, container,
false
);
recyclerView = view.findViewById(R.id.recyclep);
recyclerView.setHasFixedSize(
true
);
recyclerView.setLayoutManager(
new
LinearLayoutManager(getActivity()));
usersList =
new
ArrayList<>();
firebaseAuth = FirebaseAuth.getInstance();
getAllUsers();
return
view;
}
private
void
getAllUsers() {
final
FirebaseUser firebaseUser = FirebaseAuth.getInstance().getCurrentUser();
DatabaseReference reference = FirebaseDatabase.getInstance().getReference(
"Users"
);
reference.addValueEventListener(
new
ValueEventListener() {
@Override
public
void
onDataChange(
@NonNull
DataSnapshot dataSnapshot) {
usersList.clear();
for
(DataSnapshot dataSnapshot1 : dataSnapshot.getChildren()) {
ModelUsers modelUsers = dataSnapshot1.getValue(ModelUsers.
class
);
if
(modelUsers.getUid() !=
null
&& !modelUsers.getUid().equals(firebaseUser.getUid())) {
usersList.add(modelUsers);
}
adapterUsers =
new
AdapterUsers(getActivity(), usersList);
recyclerView.setAdapter(adapterUsers);
}
}
@Override
public
void
onCancelled(
@NonNull
DatabaseError databaseError) {
}
});
}
private
void
searchusers(
final
String s) {
final
FirebaseUser firebaseUser = FirebaseAuth.getInstance().getCurrentUser();
DatabaseReference reference = FirebaseDatabase.getInstance().getReference(
"Users"
);
reference.addValueEventListener(
new
ValueEventListener() {
@Override
public
void
onDataChange(
@NonNull
DataSnapshot dataSnapshot) {
usersList.clear();
for
(DataSnapshot dataSnapshot1 : dataSnapshot.getChildren()) {
ModelUsers modelUsers = dataSnapshot1.getValue(ModelUsers.
class
);
if
(modelUsers.getUid() !=
null
&& !modelUsers.getUid().equals(firebaseUser.getUid())) {
if
(modelUsers.getName().toLowerCase().contains(s.toLowerCase()) ||
modelUsers.getEmail().toLowerCase().contains(s.toLowerCase())) {
usersList.add(modelUsers);
}
}
adapterUsers =
new
AdapterUsers(getActivity(), usersList);
adapterUsers.notifyDataSetChanged();
recyclerView.setAdapter(adapterUsers);
}
}
@Override
public
void
onCancelled(
@NonNull
DatabaseError databaseError) {
}
});
}
@Override
public
void
onCreate(
@Nullable
Bundle savedInstanceState) {
setHasOptionsMenu(
true
);
super
.onCreate(savedInstanceState);
}
@Override
public
void
onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
inflater.inflate(R.menu.main_menu, menu);
menu.findItem(R.id.logout).setVisible(
false
);
MenuItem item = menu.findItem(R.id.search);
SearchView searchView = (SearchView) MenuItemCompat.getActionView(item);
searchView.setOnQueryTextListener(
new
SearchView.OnQueryTextListener() {
@Override
public
boolean
onQueryTextSubmit(String query) {
if
(!TextUtils.isEmpty(query.trim())) {
searchusers(query);
}
else
{
getAllUsers();
}
return
false
;
}
@Override
public
boolean
onQueryTextChange(String newText) {
if
(!TextUtils.isEmpty(newText.trim())) {
searchusers(newText);
}
else
{
getAllUsers();
}
return
false
;
}
});
super
.onCreateOptionsMenu(menu, inflater);
}
}