Course.java

import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Objects;
import java.util.Random;


/**
 * Course class
 * <p>
 * A representation for one course that a certain number of students
 * can access.
 *
 * @author Anushka Nilangekar
 * @version December 11, 2021
 */
public class Course {
    /**
     * Title of the course
     */
    private String name;
    /**
     * Teacher assigned to this course
     */
    private Teacher courseTeacher;
    /**
     * Enrollment capacity of the course
     */
    private int enrollmentCapacity;
    /**
     * students enrolled
     */
    private ArrayList<Student> studentsInThisCourse;
    /**
     * QuizArchive with quizzes
     */
    static QuizArchive quizArchive = new QuizArchive();
    /**
     * all quizzes
     */
    ArrayList<Quiz> quizzes;

    /**
     * get students
     */
    public ArrayList<Student> getStudentsInThisCourse() {
        return this.studentsInThisCourse;
    }

    public void assignStudentUsernames() {

        var students = Student.students;

        for (int i = 0; i < students.size(); i++) {

            for (int j = 0; j < studentsInThisCourse.size(); j++) {

                if (students.get(i).getName().equals(studentsInThisCourse.get(j).getName())) {

                    studentsInThisCourse.get(j).setUsername(students.get(i).getUsername());
                }

            }

        }

    }

    /**
     * sets students
     *
     * @param studentsInThisCourse = students to be set
     */
    public void setStudentsInThisCourse(ArrayList<Student> studentsInThisCourse) {
        this.studentsInThisCourse = studentsInThisCourse;
    }

    /**
     * Allocates a new course object with its title, assigned teacher and enrollment count.
     *
     * @param name               = course title.
     * @param enrollmentCapacity = Enrollment capacity of the course
     * @param teacher            = teacher to be assigned
     * @throws InvalidCourseException = throws an exception when there is 0 enrollment capacity for the course.
     */
    public Course(String name, Teacher teacher, int enrollmentCapacity) throws InvalidCourseException,
            FileNotFoundException {
        this.name = name;
        this.courseTeacher = teacher;
        this.enrollmentCapacity = enrollmentCapacity;
        studentsInThisCourse = new ArrayList<>();
        quizzes = new ArrayList<>();
        if (enrollmentCapacity < 1)
            throw new InvalidCourseException("A course should have a minimum student enrollment of 1!");
    }

    /**
     * Allocates a new course object with its title, assigned teacher and enrollment count.
     *
     * @param name                 = course title.
     * @param enrollmentCapacity   = Enrollment capacity of the course
     * @param teacher              = teacher to be assigned
     * @param studentsInThisCourse = students to be added for the course
     * @throws InvalidCourseException = throws an exception when there is 0 enrollment capacity for the course.
     */
    public Course(String name, Teacher teacher, int enrollmentCapacity, ArrayList<Student> studentsInThisCourse)
            throws InvalidCourseException, FileNotFoundException {
        this(name, teacher, enrollmentCapacity);
        this.studentsInThisCourse = studentsInThisCourse;
        if (enrollmentCapacity < 1)
            throw new InvalidCourseException("A course should have a minimum student enrollment capacity of 1!");
        quizzes = new ArrayList<>();
    }

    public ArrayList<Quiz> getQuizzes() {
        return quizzes;
    }

    public void addCourseQuiz(Quiz quiz) {
        quizzes.add(quiz);
    }

    /**
     * adds a student
     *
     * @param student = student to be added
     */
    public void addAStudentToTheCourse(Student student) {
        studentsInThisCourse.add(student);
    }

    /**
     * get name
     *
     * @return name
     */
    public String getName() {
        return this.name;
    }

    /**
     * get courseTeacher
     *
     * @return courseTeacher
     */
    public Teacher getCourseTeacher() {
        return this.courseTeacher;
    }

    /**
     * get enrollmentCapacity
     *
     * @return enrollmentCapacity
     */
    public int getEnrollmentCapacity() {
        return this.enrollmentCapacity;
    }

    /**
     * sets courseTeacher
     *
     * @param newCourseTeacher = new teacher
     */
    public void setCourseTeacher(Teacher newCourseTeacher) {
        this.courseTeacher = newCourseTeacher;
    }

    /**
     * sets enrollmentCapacity
     *
     * @param newEnrollmentCapacity = new enrollmentCapacity
     */
    public void setEnrollmentCapacity(int newEnrollmentCapacity) {
        this.enrollmentCapacity = newEnrollmentCapacity;
    }

    /**
     * sets name
     *
     * @param newName = new name
     */
    public void setName(String newName) {
        this.name = newName;
    }

    /**
     * get quizArchive
     *
     * @return quizArchive
     */
    public static QuizArchive getQuizArchive() {
        return quizArchive;
    }

    /**
     * calls the quiz menu
     *
     * @throws InvalidQuizException  = thrown when appropriate
     * @throws FileNotFoundException = thrown when appropriate
     */
    public void callTheQuizFunction(String courseTitle) throws InvalidQuizException, IOException {
        quizArchive = Application.quizArchive;
        TheQuizFunction.main(quizArchive, courseTitle);

    }
}