Android Open Source - bodyapps-android User Manager

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License

The source code is released under:
GNU Lesser General Public License
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Java Source Code

/*
 * Copyright (c) 2014, Fashiontec (http://fashiontec.org)
 * Licensed under LGPL, Version 3/*  w ww. ja v a 2  s . c  o  m*/
 */

package fossasia.valentina.bodyapp.managers;

import fossasia.valentina.bodyapp.db.DBContract;
import fossasia.valentina.bodyapp.db.DatabaseHandler;
import fossasia.valentina.bodyapp.models.User;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.util.Log;

/**
 * Manages the DB requests to user table
 */
public class UserManager {
  private SQLiteDatabase database;
  private DatabaseHandler dbHandler;
  private static UserManager userManager;

  private UserManager(Context context) {
    dbHandler = DatabaseHandler.getInstance(context);
  }

  public static UserManager getInstance(Context context) {
    if (userManager == null) {
      userManager = new UserManager(context);
    }
    return userManager;
  }

  public void addUser(User user) {
    Log.d("usermanager", "addUser");
    this.database = this.dbHandler.getWritableDatabase();
    ContentValues values = new ContentValues();
    values.put(DBContract.User.COLUMN_NAME_ID, user.getId());
    values.put(DBContract.User.COLUMN_NAME_EMAIL, user.getEmail());
    values.put(DBContract.User.COLUMN_NAME_NAME, user.getName());
    values.put(DBContract.User.COLUMN_NAME_IS_CURRENT, 1);
    database.insert(DBContract.User.TABLE_NAME, null, values);
    database.close();
  }

  public String isUser(User user) {
    Log.d("usermanager", "isUser");
    this.database = this.dbHandler.getReadableDatabase();
    Cursor cursor = database.query(DBContract.User.TABLE_NAME,
        new String[] { DBContract.User.COLUMN_NAME_ID },
        DBContract.User.COLUMN_NAME_EMAIL + " ='" + user.getEmail()
            + "'", null, null, null, null);

    if (cursor.moveToFirst()) {

      String out = cursor.getString(0);
      cursor.close();
      database.close();
      return out;
    } else {
      return null;
    }
  }

  public void setCurrent(User user) {
    Log.d("usermanager", "setCurrent");
    this.database = this.dbHandler.getWritableDatabase();
    ContentValues values = new ContentValues();
    values.put(DBContract.User.COLUMN_NAME_IS_CURRENT, 1);
    database.update(DBContract.User.TABLE_NAME, values,
        DBContract.User.COLUMN_NAME_EMAIL + "='" + user.getEmail()
            + "'", null);
    database.close();

  }

  public String getCurrent() {
    this.database = this.dbHandler.getReadableDatabase();
    Cursor cursor = database.query(DBContract.User.TABLE_NAME,
        new String[] { DBContract.User.COLUMN_NAME_ID },
        DBContract.User.COLUMN_NAME_IS_CURRENT + " =" + 1, null, null,
        null, null);

    if (cursor.moveToFirst()) {

      String out = cursor.getString(0);
      cursor.close();
      database.close();
      return out;
    } else {
      return null;
    }
  }

  public void delUser(User user) {
    this.database = this.dbHandler.getWritableDatabase();
    database.delete(DBContract.User.TABLE_NAME,
        DBContract.User.COLUMN_NAME_ID + " ='" + user.getId() + "'",
        null);
    database.close();
  }

  public void setID(User user) {
    Log.d("usermanager", "setID");
    String userID = user.getId();

    this.database = this.dbHandler.getWritableDatabase();
    ContentValues values = new ContentValues();
    values.put(DBContract.User.COLUMN_NAME_ID, userID);
    database.update(DBContract.User.TABLE_NAME, values,
        DBContract.User.COLUMN_NAME_EMAIL + "='" + user.getEmail()
            + "'", null);
    database.close();
  }

  public void unsetCurrent() {
    Log.d("usermanager", "unsetCurrent");
    String email = getCurrentEmail();
    this.database = this.dbHandler.getWritableDatabase();
    ContentValues values = new ContentValues();
    values.put(DBContract.User.COLUMN_NAME_IS_CURRENT, 0);
    database.update(DBContract.User.TABLE_NAME, values,
        DBContract.User.COLUMN_NAME_EMAIL + "='" + email + "'", null);
    database.close();
  }

  public String getCurrentEmail() {
    Log.d("usermanager", "getCurrentEmail");
    this.database = this.dbHandler.getReadableDatabase();
    Cursor cursor = database.query(DBContract.User.TABLE_NAME,
        new String[] { DBContract.User.COLUMN_NAME_EMAIL },
        DBContract.User.COLUMN_NAME_IS_CURRENT + " =" + 1, null, null,
        null, null);

    if (cursor.moveToFirst()) {

      String out = cursor.getString(0);
      cursor.close();
      database.close();
      return out;
    } else {
      return null;
    }
  }
}
Java Source Code List
