WordPress/src/main/java/org/wordpress/android/models/AccountHelper.java

package org.wordpress.android.models;

import android.text.TextUtils;

import org.wordpress.android.WordPress;
import org.wordpress.android.datasets.AccountTable;

/**
 * The app supports only one WordPress.com account at the moment, so we might use getDefaultAccount() everywhere we
 * need the account data.
 */
public class AccountHelper {
    private static Account sAccount;
    private final static Object mLock = new Object();

    public static Account getDefaultAccount() {
        if (sAccount == null) {
            // Singleton pattern in concurrent env.
            synchronized(mLock) {
                if (sAccount == null) {
                    sAccount = AccountTable.getDefaultAccount();
                    if (sAccount == null) {
                        sAccount = new Account();
                    }
                }
            }
        }
        return sAccount;
    }

    public static boolean isSignedIn() {
        return getDefaultAccount().hasAccessToken() || (WordPress.wpDB.getNumVisibleBlogs() != 0);
    }

    public static boolean isSignedInWordPressDotCom() {
        return getDefaultAccount().hasAccessToken();
    }

    public static boolean isJetPackUser() {
        return WordPress.wpDB.hasAnyJetpackBlogs();
    }

    public static String getCurrentUsernameForBlog(Blog blog) {
        if (!TextUtils.isEmpty(getDefaultAccount().getUserName())) {
            return getDefaultAccount().getUserName();
        } else if (blog != null) {
            return blog.getUsername();
        }
        return "";
    }
}