Bleed Post

package info.rekayasa.donordarah.activity;

import android.content.Intent;
import android.support.design.widget.FloatingActionButton;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.widget.Toast;

import com.firebase.ui.database.FirebaseRecyclerAdapter;
import com.google.firebase.auth.FirebaseAuth;
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.Query;
import com.google.firebase.database.ServerValue;
import com.google.firebase.database.ValueEventListener;
import com.google.firebase.iid.FirebaseInstanceId;

import info.rekayasa.donordarah.R;
import info.rekayasa.donordarah.adapter.BleedViewHolder;
import info.rekayasa.donordarah.application.BleedApp;
import info.rekayasa.donordarah.entity.Bleed;
import info.rekayasa.donordarah.utility.DatabaseUtil;
import info.rekayasa.donordarah.utility.Utility;

import static android.R.attr.id;
import static info.rekayasa.donordarah.utility.DatabaseUtil.getDatabase;

public class BleedActivity extends BaseActivity {

    FirebaseDatabase database;
    DatabaseReference rootRef, userRef, testRef;
    DatabaseReference mDatabase, mRef;
    FirebaseAuth auth;
    LinearLayoutManager mManager;

    ProgressBar progressBar;
    Utility util = new Utility();
    String username, fullName;

    RecyclerView mRecyclerView;
    FirebaseRecyclerAdapter<Bleed, BleedViewHolder> mAdapter;

    String TAG = "BleedActivity";

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        // get firebase auth instance
        auth = FirebaseAuth.getInstance();
        if (auth.getCurrentUser() == null) {
            startActivity(new Intent(getApplicationContext(), SignUpActivity.class));
            finish();
        } else {
            setContentView(R.layout.activity_bleed);
            mDatabase = FirebaseDatabase.getInstance().getReference();

            mRecyclerView = (RecyclerView) findViewById(R.id.bleed_list);
            mRecyclerView.setHasFixedSize(true);
            mManager = new LinearLayoutManager(this);
            mManager.setReverseLayout(true);
            mManager.setStackFromEnd(true);
            mRecyclerView.setLayoutManager(mManager);

//            mRef = FirebaseDatabase.getInstance().getReference().child("bleeds");

            progressBar = (ProgressBar) findViewById(R.id.progressBar);

//            getUsername();
//            getFullName();
//            getConnectionStatus();


            FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
            fab.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View view) {
                    Intent intent = new Intent(getApplicationContext(), PostActivity.class);
                    intent.putExtra("username", username);
                    intent.putExtra("fullName", fullName);
                    startActivity(intent);
                }
            });
        }
    }

    @Override
    protected void onStart() {
        super.onStart();

        boolean status = util.isConnected(BleedActivity.this);
//        setLastActive();
//        if (BleedApp.wasInBackground) {
//            Toast.makeText(getApplicationContext(),
//                    "Application came to foreground", Toast.LENGTH_LONG)
//                    .show();
//            BleedApp.wasInBackground = false;
////            getConnectionStatus();
//        }


        Log.d(TAG, "InstanceID token: " + FirebaseInstanceId.getInstance().getToken());

//        if (!status) {
//            Toast.makeText(getApplicationContext(), "Jaringan tak terhubung", Toast.LENGTH_SHORT).show();
//            progressBar.setVisibility(View.GONE);
//        } else {
//            mRef.addValueEventListener(new ValueEventListener() {
//                @Override
//                public void onDataChange(DataSnapshot dataSnapshot) {
//                    System.out.println("dataSnapshot: ");
//
//                }
//
//                @Override
//                public void onCancelled(DatabaseError databaseError) {
//
//                }
//            });

//            Log.d(TAG, "mDatabase: " + mDatabase.toString());
            // bagian yg dimodif
//            mRef = FirebaseDatabase.getInstance().getReference().child("bleeds");
            mRef = mDatabase.child("bleeds");

            mAdapter = new FirebaseRecyclerAdapter<Bleed, BleedViewHolder>(
                    Bleed.class,
                    R.layout.item_bleed,
                    BleedViewHolder.class, mRef) {
                @Override
                protected void populateViewHolder(BleedViewHolder viewHolder, Bleed model, int position) {

                    DatabaseReference postRef = getRef(position);
                    final String postKey = postRef.getKey();

                    viewHolder.bindToPost(model);
                    progressBar.setVisibility(View.GONE);

                    viewHolder.itemView.setOnClickListener(new View.OnClickListener() {
                        @Override
                        public void onClick(View view) {
//                            System.out.println("postKey: " + postKey);
                            Intent intent = new Intent(getApplicationContext(), CommentActivity.class);
                            intent.putExtra("postKey", postKey);
                            intent.putExtra("fullName", fullName);
                            startActivity(intent);
                        }
                    });
                }
            };

            mRecyclerView.setAdapter(mAdapter);

            getUsername();
            getFullName();
        }
//    }

    public String getUid() {
        return FirebaseAuth.getInstance().getCurrentUser().getUid();
    }

    private void signout() {
        auth.signOut();
    }

    public void setLastActive() {
        mDatabase.child("users").child(getUid()).child("lastActive").setValue(ServerValue.TIMESTAMP);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.menu_bleed, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.profile) {
            Intent intent = new Intent(getApplicationContext(), ProfileActivity.class);
            intent.putExtra("userId", getUid());
            startActivity(intent);
            return true;
        } else if (id == R.id.donor) {
            startActivity(new Intent(getApplicationContext(), DonorListActivity.class));
            return true;
        } else if (id == R.id.message) {
            startActivity(new Intent(getApplicationContext(), MessageActivity.class));
            return true;
        } else if (id == R.id.about) {
            startActivity(new Intent(getApplicationContext(), About.class));
            return true;
        } else if (id == R.id.signout) {
            signout();
            finish();
            startActivity(new Intent(getApplicationContext(), SignUpActivity.class));
            return true;
        }

        return super.onOptionsItemSelected(item);
    }

    // contoh mencari data tertentu
    private String getUsername() {

        Query query = mDatabase.child("users").child(getUid()).child("username");
        query.addValueEventListener(new ValueEventListener() {
            @Override
            public void onDataChange(DataSnapshot dataSnapshot) {
                username = dataSnapshot.getValue(String.class);
//                System.out.println("getUsername: " + username);
            }

            @Override
            public void onCancelled(DatabaseError databaseError) {

            }
        });
        return username;

    }

    private String getFullName() {

        Query query = mDatabase.child("users").child(getUid()).child("fullName");
        query.addValueEventListener(new ValueEventListener() {
            @Override
            public void onDataChange(DataSnapshot dataSnapshot) {
                fullName = dataSnapshot.getValue(String.class);
//                System.out.println("getFullName: " + fullName);
            }

            @Override
            public void onCancelled(DatabaseError databaseError) {

            }
        });
        return fullName;

    }

    @Override
    protected void onUserLeaveHint() {
        super.onUserLeaveHint();
        Log.d(TAG, "User preses home button...");
//        BleedApp.wasInBackground = true;
    }

    @Override
    protected void onPause() {
        super.onPause();
        Log.d(TAG, "User pauses...");
//        mDatabase.child("users").onDisconnect()
    }

    @Override
    protected void onStop() {
        super.onStop();
        Log.d(TAG, "Activity stopped...");
    }

    @Override
    protected void onResume() {
        super.onResume();
        Log.d(TAG, "User resumes....");
//        BleedApp.wasInBackground = true;
        getConnectionStatus();
    }

    public void getConnectionStatus() {
        // since I can connect from multiple devices, we store each connection instance separately
        // any time that connectionsRef's value is null (i.e. has no children) I am offline
        final FirebaseDatabase database = FirebaseDatabase.getInstance();
        final DatabaseReference myConnectionsRef = database.getReference().child("users").child(getUid()).child("connection");

        // stores the timestamp of my last disconnect (the last time I was seen online)
        final DatabaseReference lastOnlineRef = database.getReference().child("users").child(getUid()).child("lastActive");

        final DatabaseReference connectedRef = database.getReference(".info/connected");
        connectedRef.addValueEventListener(new ValueEventListener() {
            @Override
            public void onDataChange(DataSnapshot snapshot) {
                boolean connected = snapshot.getValue(Boolean.class);
                if (connected) {
                    // add this device to my connections list
                    // this value could contain info about the device or a timestamp too
                    DatabaseReference con = myConnectionsRef.push();
                    con.setValue(Boolean.TRUE);

                    // when this device disconnects, remove it
                    con.onDisconnect().removeValue();

                    // when I disconnect, update the last time I was seen online
                    lastOnlineRef.onDisconnect().setValue(ServerValue.TIMESTAMP);
                }
            }

            @Override
            public void onCancelled(DatabaseError error) {
                System.err.println("Listener was cancelled at .info/connected");
            }
        });
    }
}