53 lines
1.3 KiB
Java
53 lines
1.3 KiB
Java
package models;
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import java.util.ArrayList;
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import java.util.List;
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public class Teacher extends User {
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private List<Course> myCourses;
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public Teacher(String username, String password) {
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super(username, password);
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this.myCourses = new ArrayList<>();
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}
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public boolean addCourse(Course course) {
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if (myCourses.contains(course)) {
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return false;
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}
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myCourses.add(course);
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course.setTeacher(this);
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return true;
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}
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public boolean removeCourse(Course course) {
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if (myCourses.remove(course)) {
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course.setTeacher(null);
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return true;
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}
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return false;
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}
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public List<Course> getMyCourses() {
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return myCourses;
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}
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public void showMyCourses() {
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if (myCourses.isEmpty()) {
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System.out.println(" You don't teach any course yet.");
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} else {
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System.out.println("\n My Courses:");
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for (int i = 0; i < myCourses.size(); i++) {
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System.out.println(" " + (i+1) + ". " + myCourses.get(i));
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}
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}
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}
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public void showStudentsInCourse(Course course) {
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if (!myCourses.contains(course)) {
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System.out.println(" You don't teach this course!");
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return;
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}
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course.showStudents();
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}
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} |