FollowFriendActivity.java

package alm.motiv.AlmendeMotivator;

import alm.motiv.AlmendeMotivator.adapters.FriendsAdapter;
import alm.motiv.AlmendeMotivator.facebook.FacebookMainFragment;
import alm.motiv.AlmendeMotivator.facebook.FacebookManager;
import alm.motiv.AlmendeMotivator.misc.CustomCallback;
import alm.motiv.AlmendeMotivator.models.User;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.AsyncTask;
import android.os.Bundle;
import android.support.v4.widget.DrawerLayout;
import android.view.Gravity;
import android.view.KeyEvent;
import android.view.View;
import android.widget.*;
import com.facebook.model.GraphUser;
import com.google.analytics.tracking.android.EasyTracker;
import com.mongodb.*;
import org.w3c.dom.Text;

import java.util.ArrayList;
import java.util.List;

/**
 * Created by AsterLaptop on 5/27/14.
 */
public class FollowFriendActivity extends Activity {

    private FriendsAdapter adapter;
    private GraphUser friend;
    private User user = null;
    private GridView friendListView;
    private List<DBObject> allUsers = null;
    private boolean manageFriends = true;
    private boolean initializedFriends = false;
    private int positionSelectedFriend = 0;

    private FriendsUtility friendsUtility;

    //view
    private TextView lblFriendsYouFollow;

    //menu
    private String[] mMenuOptions;
    private ListView mDrawerList;
    private DrawerLayout mDrawerLayout;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_friendsmenu);
        lblFriendsYouFollow = (TextView) findViewById(R.id.lblFriendsYouFollow);
        lblFriendsYouFollow.setText("Select friends you wish to follow");

        //for the menu
        mMenuOptions = getResources().getStringArray(R.array.profile_array);
        mDrawerList = (ListView) findViewById(R.id.left_drawer);
        mDrawerList.setAdapter(new ArrayAdapter<String>(this, R.layout.list_item_menu, mMenuOptions));
        mDrawerList.setOnItemClickListener(new DrawerItemClickListener());

        new DatabaseThread().execute("select");
        mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
    }

    @Override
    public void onStart() {
        super.onStart();
        //google analytics
        EasyTracker.getInstance(this).activityStart(this);  // Add this method.
    }

    @Override
    public void onStop() {
        super.onStop();
        //google analytics
        EasyTracker.getInstance(this).activityStop(this);  // Add this method.
    }

    public void initFriends() {
        FacebookManager.getFriendsOfUser(new CustomCallback() {
            @Override
            public Object callback(Object object) {
                if (object != null && object instanceof List) {
                    List<GraphUser> users = (List<GraphUser>) object;
                    ArrayList<GraphUser> usersArray = new ArrayList<GraphUser>();
                    usersArray.addAll(users);

                    Cookie.getInstance().facebookFriends = friendsUtility.hasSportopiaAccount(usersArray);

                    addFriendsToList(friendsUtility.compareFriends(false));
                }
                return null;
            }
        });
        friendListView = (GridView) findViewById(R.id.friendsList);
        adapter = new FriendsAdapter(this);
        friendListView.setAdapter(adapter);
        friendListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> adapterView, View view, int position, long l) {
                friend = adapter.getItem(position);
                showPopUp(position);
            }
        });
    }

    public void addFriendsToList(ArrayList<GraphUser> users) {
        if(users!=null){
            adapter.setModels(users);
        }
    }

    private void showPopUp(final int position) {
        AlertDialog.Builder helpBuilder = new AlertDialog.Builder(this);
        helpBuilder.setTitle(friend.getName());
        helpBuilder.setMessage("Do you want to follow " + friend.getName());
        helpBuilder.setPositiveButton("Yes",
                new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int which) {
                        adapter.removeModel(position);
                        new DatabaseThread().execute("insert");
                    }
                });

        helpBuilder.setNegativeButton("No", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                // Do nothing
            }
        });

        AlertDialog helpDialog = helpBuilder.create();
        helpDialog.show();
    }

    public void onInvitePressed(View v){
        if(Cookie.getInstance().internet){
            FacebookMainFragment.sendRequestDialog(this);
        }
    }

    @Override
    public void onBackPressed() {
        finish();
        Intent i = new Intent(FollowFriendActivity.this, ChallengeOverviewActivity.class);
        startActivity(i);
        finish();
    }

    private class DrawerItemClickListener implements ListView.OnItemClickListener {
        @Override
        public void onItemClick(AdapterView parent, View view, int position, long id) {
            Menu.selectItem(position, FollowFriendActivity.this);
        }
    }

    //on menu pressed
    public boolean onKeyUp(int keyCode, KeyEvent event) {
        if (keyCode == KeyEvent.KEYCODE_MENU) {
            mDrawerLayout.openDrawer(Gravity.LEFT);
            return true;
        } else {
            return super.onKeyUp(keyCode, event);
        }
    }

    class DatabaseThread extends AsyncTask<String, String, String> {
        private ProgressDialog simpleWaitDialog;

        protected String doInBackground(String... args) {
            if (Cookie.getInstance().internet) {
                try {
                    MongoClient client = Database.getInstance();
                    DB db = client.getDB(Database.uri.getDatabase());
                    DBCollection userCollection = db.getCollection("user");
                    userCollection.setObjectClass(User.class);

                    User match = new User();
                    match.put("facebookID", Cookie.getInstance().userEntryId);
                    if (args[0].equals("select")) {
                        user = (User) userCollection.find(match).toArray().get(0);
                        allUsers = userCollection.find().toArray();

                        friendsUtility = new FriendsUtility(user, allUsers);

                    } else {
                        //update the user with new friends/followers
                        User aFriend = new User();
                        aFriend.put("facebookID", friend.getId());

                        BasicDBObject update = new BasicDBObject();
                        if (args[0].equals("remove")) {
                            //removes friend from array with pull key
                            update.put("$pull", new BasicDBObject("friends", aFriend));
                        } else {
                            update.put("$push", new BasicDBObject("friends", aFriend));
                        }
                        userCollection.update(match, update);
                    }
                } catch (Exception e) {
                    System.out.println(e);
                }
            }
            return null;
        }

        @Override
        protected void onPreExecute() {
            simpleWaitDialog = ProgressDialog.show(FollowFriendActivity.this,
                    "Please wait", "Loading");

        }

        protected void onPostExecute(String result) {
            try {
                simpleWaitDialog.dismiss();
                simpleWaitDialog = null;
            } catch (Exception e) {
                // nothing
            }
            if (!initializedFriends) {
                initFriends();
                initializedFriends = true;
            }
        }
}
}