Utility

package com.d4mdp.plesir.util;

import android.content.Context;
import android.content.SharedPreferences;
import android.preference.PreferenceManager;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;

/**
 * Created by rachmadi on 4/1/16.
 */
public class Utilities {

    SharedPreferences sp;
    SharedPreferences.Editor editor;
    String value, category, location_id;
    String dateTime;

    public String getUrl(String phpFile){
//        String url = "http://10.0.2.2/tourplanner/" + phpFile;
        String url = "http://hosting.mdp.ac.id/plesir/api/" + phpFile;
        return url;
    }

    public void setCategory(Context context, String category){
        sp = PreferenceManager.getDefaultSharedPreferences(context);
        editor = sp.edit();
        editor.putString("category", category);
        editor.commit();
    }

    public String getCategory(Context context){
        sp = PreferenceManager.getDefaultSharedPreferences(context);
        value = null;
        category = sp.getString("category", value);
        return category;
    }

    public void setLocationId(Context context, String location_id){
        sp = PreferenceManager.getDefaultSharedPreferences(context);
        editor = sp.edit();
        editor.putString("location_id", location_id);
        editor.commit();
    }

    public String getLocationId(Context context){
        sp = PreferenceManager.getDefaultSharedPreferences(context);
        value = null;
        location_id = sp.getString("location_id", value);
        return location_id;
    }

    public String getDuration(String dateTime){

        String datePost = dateTime;
        String dateCurrent = getCurrentDateTime();
        String dtime = "";

        //HH converts hour in 24 hours format (0-23), day calculation
        SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.getDefault());

        Date d1 = null;
        Date d2 = null;

        try {
            d1 = format.parse(datePost);
            d2 = format.parse(dateCurrent);

            //in milliseconds
            long diff = d2.getTime() - d1.getTime();

            long diffSeconds = diff / 1000 % 60;
            long diffMinutes = diff / (60 * 1000) % 60;
            long diffHours = diff / (60 * 60 * 1000) % 24;
            long diffDays = diff / (24 * 60 * 60 * 1000);

            System.out.print(diffDays + " days, ");
            System.out.print(diffHours + " hours, ");
            System.out.print(diffMinutes + " minutes, ");
            System.out.print(diffSeconds + " seconds.");

            if (diffDays > 0){
                dtime = String.valueOf(diffDays) + " days";
            } else if (diffHours > 0){
                dtime = String.valueOf(diffHours) + " hours";
            } else if (diffMinutes > 0){
                dtime = String.valueOf(diffMinutes) + " mins";
            } else if (diffSeconds >= 0){
                dtime = String.valueOf(diffSeconds) + " secs";
            }

        } catch (Exception e) {
            e.printStackTrace();
        }
        return dtime;
    }

    public String getCurrentDateTime(){
        SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.getDefault());
        dateTime = dateFormat.format(new java.util.Date());
        return dateTime;
    }

    public String formatDate(String datetime){
        Locale id = new Locale("en", "EN");
        String pattern = "yyyy-MM-dd";
        SimpleDateFormat sdf = new SimpleDateFormat(
                pattern, id);
        Date myDate = null;
        try {
            myDate = sdf.parse(datetime);

        } catch (ParseException e) {
            e.printStackTrace();
        }

        SimpleDateFormat tanggaldf = new SimpleDateFormat("EEEE, dd MMM yyyy", id);
        String finalDate = tanggaldf.format(myDate);

        System.out.println(finalDate);
        return finalDate;
    }

}