Task.java

package se.dat255.grupp12;


import android.os.Parcel;
import android.os.Parcelable;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;

/**
 * A task
 * Created by ville unt oscar on 9/20/13.
 * A model representing a task and its attributes.
 */
public class Task implements Serializable{
    private String title;
    private String content;
    private Priority priority;
    private Calendar date = Calendar.getInstance();
    private ArrayList<User> users = new ArrayList<User>();
    private boolean isDone = false;
    private boolean isAssigned = false;
    private long id;

    private static long nextLocalId = -1;

    private Task() {} // For serialization.

    /**
     * Creates a task with a title and a priority
     * @param title
     * @param priority
     */
    public Task(String title, Priority priority) {
        this.title = title;
        this.priority = priority;
        this.id = nextLocalId--;
    }

    /**
     * Creates a task with id, content, title and a priority
     * @param id
     * @param title
     * @param content
     * @param priority
     */
    public Task(long id, String title, String content, Priority priority) {
        this.id = id;
        this.title = title;
        this.content = content;
        this.priority = priority;
    }

    /**
     * Creates a task with a content, title and a priority which can be assigned to the user.
     * @param title
     * @param content
     * @param priority
     * @param assigned
     */
    public Task(String title, String content, Priority priority,  boolean assigned){
        this.title = title;
        this.content = content;
        this.priority = priority;
        this.isAssigned = assigned;
        this.id = nextLocalId--;
    }

    /**
     * Getter for the title of the Task
     * @return the title
     */
    public String getTitle() {
        return title;
    }


    /**
     * Getter for the content of the Task
     * @return the content
     */
    public String getContent(){
        return content;
    }

    /**
     * Getter for the priority of the Task
     * @return the priority
     */
    public Priority getPriority() {
        return priority;
    }

    /**
     * Enum for the different levels of priority
     */
    public Calendar getDate(){
        return date;
    }

    public long getId() {
        return this.id;
    }

    public void setDate(Calendar calendar) {
        date=calendar;
    }

    public void setAssigned(boolean assigned) {
        if (isAssigned() && !assigned) {
            User userToRemove = null;
            for(User user : users) {
                if (User.getUserEmails().get(0).equals(user.getEmail())) {
                    userToRemove=user;
                }
            }
            users.remove(userToRemove);
        }
        if (!isAssigned() && assigned) {
            users.add(new User("Placeholder",User.getUserEmails().get(0)));
        }
    }

    public static enum Priority {
        HIGH,
        MEDIUM,
        LOW
    }

    /**
     * To string that returns the title
     * @return A string with the title of the task
     */
    @Override
    public String toString() {
        return title;
    }

    /**
     * Adds a user to a task
     * @param user
     */
    public void addUser(User user){
        users.add(user);
    }

    /**
     * Returns the number of users assigned to a task
     * @return number of users
     */
    public int getNumberOfUsers(){
        if (isAssigned()) {
            for (User user : users) {
                if (User.getUserEmails().contains(user.getEmail())) {
                    return users.size();
                }
            }
            return users.size()+1;
        }
        return users.size();
    }

    /**
     * Returns the done-state of a task
     * @return If a task is marked as done
     */
    public boolean isDone(){
        return isDone;
    }

    /**
     * Marks a task as done
     */
    public void setDone(boolean done){
        isDone = done;
    }

    /**
     * @return whether or not the user is assigned to this task.
     */
    public boolean isAssigned() {
        boolean existsInUsers = false;

        for(User user : users) {
            if (User.getUserEmails().get(0).equals(user.getEmail())) {
                existsInUsers = true;
            }
        }

        return existsInUsers;
    }

    /**
     * Resets the count of new local tasks
     */
    public static void resetNextLocalId(){
        nextLocalId = -1;
    }


    public void setTitle(String title){
        this.title = title;
    }

    public void setContent(String content){
        this.content = content;
    }

    public void setPriority(Priority prio){
        this.priority = prio;
    }

    public Integer getPrioValue(){

        if(this.isDone() == true){
            return 4;
        } else if (this.priority == Priority.HIGH){
            return 1;
        } else if (this.priority == Priority.MEDIUM){
            return 2;
        } else if (this.priority == Priority.LOW){
            return 3;
        } else {
            return 5;
        }
    }

}