VPR-Projekt/src/Data.java

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.sql.Array;
import java.util.ArrayList;
import java.util.List;

/**
 * Data is a class to edit files.
 *
 * @author Madeleine Vigier
 * @version 1.3
 */
public class Data {
    private String pathRead;

    public Data(String pathRead) {
        this.pathRead = pathRead;
    }

    /**
     * readUser() is a method to split user.txt into lines and save them in an arraylist
     *
     * @return Arraylist userList
     * @author Madeleine Vigier, Sabine Gubitz
     */
    public ArrayList<User> readUser() {
        List<String> rows = getRows();
        ArrayList<User> userList = new ArrayList<>();

        for (String row : rows) {
            String[] parts = row.split(";");

            String nameParent1 = parts[0];
            String nameParent2 = parts[1];
            String billAddress = parts[2];
            String phonenumber = parts[3];
            String nameChildren = parts[4];
            String password = parts[5];
            userList.add(new User(nameParent1, nameParent2, billAddress, phonenumber, nameChildren, password));
        }
        return userList;

    }


    /**
     * readMenue() is a method to split menue.txt into lines and save them in an arraylist
     *
     * @return Arraylist menuelist
     * @author Madeleine Vigier, Sabine Gubitz
     */
    public ArrayList<Menu> readMenu() {

        List<String> rows = getRows();
        ArrayList<Menu> menuList = new ArrayList<>();


        for (String row : rows) {

            String[] parts = row.split(";");


            String date = parts[0];
            String dish = parts[1];
            String sideDish = parts[2];
            String typ = parts[3];
            String ingredient = parts[4];

            List<String> ingredients = new ArrayList<>();

            if (!ingredient.isEmpty()) {
                ingredients.add("a"); //eggs
            }

            ingredient = parts[5];
            if (!ingredient.isEmpty()) {
                ingredients.add("d"); //peanuts
            }
            ingredient = parts[6];
            if (!ingredient.isEmpty()) {
                ingredients.add("m"); //fish
            }
            ingredient = parts[7];
            if (!ingredient.isEmpty()) {
                ingredients.add("g"); //grains
            }
            ingredient = parts[8];
            if (!ingredient.isEmpty()) {
                ingredients.add("f"); //crustaceans
            }
            ingredient = parts[9];
            if (!ingredient.isEmpty()) {
                ingredients.add("n"); //lupines
            }
            ingredient = parts[10];
            if (!ingredient.isEmpty()) {
                ingredients.add("c"); //milk
            }
            ingredient = parts[11];
            if (!ingredient.isEmpty()) {
                ingredients.add("k"); //nuts
            }
            ingredient = parts[12];
            if (!ingredient.isEmpty()) {
                ingredients.add("j"); //sulfurDioxideAndSulfite
            }
            ingredient = parts[13];

            if (!ingredient.isEmpty()) {
                ingredients.add("l"); //celeriac
            }
            ingredient = parts[14];
            if (!ingredient.isEmpty()) {
                ingredients.add("h"); //mustards
            }
            ingredient = parts[15];
            if (!ingredient.isEmpty()) {
                ingredients.add("i"); //sesame
            }
            ingredient = parts[16];
            if (!ingredient.isEmpty()) {
                ingredients.add("b");//soy
            }
            ingredient = parts[17];
            if (!ingredient.isEmpty()) {
                ingredients.add("e");//molluscs
            }
            ingredient = parts[18];
            if (!ingredient.isEmpty()) {
                ingredients.add("4"); //antioxidant
            }
            ingredient = parts[19];
            if (!ingredient.isEmpty()) {
                ingredients.add("5");
            }
            ingredient = parts[20];
            if (!ingredient.isEmpty()) {
                ingredients.add("6"); //flavourEnhancer
            }
            ingredient = parts[21];
            if (!ingredient.isEmpty()) {
                ingredients.add("8"); // preservatives
            }
            ingredient = parts[22];

            if (!ingredient.isEmpty()) {
                ingredients.add("3"); //nitrate
            }
            ingredient = parts[23];
            if (!ingredient.isEmpty()) {
                ingredients.add("1");//picklingSalt
            }
            ingredient = parts[24];
            if (!ingredient.isEmpty()) {
                ingredients.add("7"); //artificialSweetener
            }
            ingredient = parts[25];
            if (!ingredient.isEmpty()) {
                ingredients.add("2"); //phosphate

            }
            String end = parts[26]; //endpoint

            menuList.add(new Menu(date, dish, sideDish, typ, ingredients));
        }
        return menuList;
    }


    /**
     * readOrder() is a method to split order.txt into lines and save them in an arraylist
     *
     * @return Arraylist orderlist
     * @author Madeleine Vigier, Sabine Gubitz
     */
    public ArrayList<Order> readOrder() {

        ArrayList<Order> orderList = new ArrayList<>();
        List<String> rows = getRows();

        for (String row : rows) {
            String[] parts = row.split(";");

            String date = parts[0];
            String user = parts[1];
            String mealtyp = parts[3];
            String deserttyp = parts[5];
            orderList.add(new Order(date, user, mealtyp, deserttyp));
        }
        return null;//orderList

    }

    /**
     * The method writeData writes the data of a List into a txt file.
     *
     * @param pathWrite   determines the filename of the file that will be written
     * @param listToWrite determines which ArrayList is to be used for writing the file
     */
    public void writeData(String pathWrite, ArrayList<String> listToWrite) {
        if (pathWrite.equals("users.txt")) {

        } else if (pathWrite.equals("orders.txt")) {

        }
    }

    /**
     * The method gets the rows by reading all lines of the path
     *
     * @return ArrayList rows
     * @author Madeleine Vigier
     */
    private List<String> getRows() {
        Path path = Paths.get(pathRead);
        List<String> rows = new ArrayList<>();
        try {
            rows = Files.readAllLines(path);
        } catch (IOException e) {
            e.printStackTrace();
        }
        return rows;
    }
}