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ap-portal-manager-project
Commit 240fbe4d authored by mohammadreza's avatar mohammadreza
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add portal manager

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      portal/Course.java 0 → 100644
      View file @ 240fbe4d
      package portal;
      import java.util.ArrayList;
      import java.util.Scanner;
      public class Course {
      private String name;
      private String courseId;
      private int unitsAmount;
      private int capacity;
      private int currentSize = 0;
      ArrayList<Student> students;
      /**
      * set course info
      * @param name
      * @param unitsAmount amounts of unit each course has
      * @param courseId
      * @param capacity
      */
      public Course(String name , int unitsAmount , String courseId , int capacity){
      this.name = name;
      this.capacity = capacity;
      setCourseId(courseId);
      setUnitsAmount(unitsAmount);
      students = new ArrayList<Student>();
      }
      /**
      * @return course name
      */
      public String getName() {
      return name;
      }
      public int getUnitsAmount() {
      return unitsAmount;
      }
      /**
      * @param unitsAmount
      */
      public void setUnitsAmount(int unitsAmount) {
      if (unitsAmount >=1 && unitsAmount <=3){
      this.unitsAmount = unitsAmount;
      }
      else {
      System.out.println("Invalid request. unit's num must be between 1 & 3. set again.");
      Scanner unit = new Scanner(System.in);
      int un = Integer.parseInt(unit.nextLine());
      setUnitsAmount(un);
      }
      }
      /**
      *
      * @return course id
      */
      public String getCourseId() {
      return courseId;
      }
      public void setCourseId(String courseId) {
      if(courseId.length() == 4) {
      this.courseId = courseId;
      }
      else {
      System.out.println("Invalid course id. enter again.");
      Scanner id = new Scanner(System.in);
      String iD = id.nextLine();
      setCourseId(iD);
      }
      }
      /**
      * @param student who take this course
      */
      public boolean chooseCourse(Student student){
      if (currentSize < capacity){
      students.add(student);
      currentSize++;
      return true;
      }
      else{
      System.out.println("No capacity to add " + student.getName() + " to course " + this.name);
      return false;
      }
      }
      public void removeStudent(Student student){
      students.remove(student);
      }
      /**
      * print course info
      */
      public void printCourse(){
      System.out.print(this.name + ": ");
      for (Student i : students){
      System.out.print(i.getName() + " ");
      }
      }
      }
      portal/Student.java 0 → 100644
      View file @ 240fbe4d
      package portal;
      import java.util.ArrayList;
      import java.util.HashSet;
      import java.util.Scanner;
      public class Student {
      private String name;
      private int studentId;
      private int average;
      private int maxUnitsToTake ;
      private int coursesWantToTake;
      ArrayList<Course> courses ;
      /**
      * set name & id
      * @param name
      * @param id student id
      */
      public Student(String name , int id , int average , int coursesWantToTake ){
      this.name = name;
      setAverage(average);
      setStudentId(id);
      this.coursesWantToTake = coursesWantToTake;
      maxUnitsToTake = 0;
      courses = new ArrayList<Course>();
      }
      public int getCoursesWantToTake() {
      return coursesWantToTake;
      }
      /**
      * @return student's name
      */
      public String getName() {
      return name;
      }
      /**
      * @param average of scores
      */
      public void setAverage(int average) {
      if(average >= 0 && average <= 20 ) {
      this.average = average;
      }
      else {
      System.out.println("Invalid average. it must be between 1 & 20. set it again.");
      Scanner average2 = new Scanner(System.in);
      int avg = Integer.parseInt(average2.nextLine());
      setAverage(avg);
      }
      }
      /**
      * @return average
      */
      public int getAverage() {
      return average;
      }
      /**
      * @param studentId
      */
      public void setStudentId(Integer studentId) {
      if(studentId.toString().length() == 7) {
      this.studentId = studentId;
      }
      else{
      System.out.println("Invalid student id for " + name + ". enter a valid id.");
      Scanner id = new Scanner(System.in);
      int sId = Integer.parseInt(id.nextLine());
      setStudentId(sId);
      }
      }
      /**
      * add course according to average
      * check whether the student can take this course or not and also error if the student isn't for this college
      * @param course to add
      */
      public void addCourse(Course course){
      if(Integer.parseInt(course.getCourseId())/100 != (studentId/1000)%100) {
      System.out.println("You cannot take this course. it isn't in your college. you must take another.");
      return;
      }
      if(average >= 15){
      if (maxUnitsToTake + course.getUnitsAmount() <= 20) {
      if (courses.size()==0){
      courses.add(course);course.chooseCourse(this);maxUnitsToTake += course.getUnitsAmount();
      coursesWantToTake--;
      }
      else {
      int t=0;
      for (int i = 0; i < courses.size(); i++) {
      if (courses.get(i).getName().equals(course.getName())) {
      t=1;
      break;
      }
      }
      if(t==0){
      if(course.chooseCourse(this)){
      courses.add(course);
      maxUnitsToTake += course.getUnitsAmount();
      coursesWantToTake--;
      }
      }
      else {
      System.out.println("Repetitive unit. take another.");
      }
      }
      }
      else {
      System.out.println(name + ", Your units must be less than 20. So you should remove some units");
      }
      }
      if(average >= 10 && average<= 15){
      if (maxUnitsToTake + course.getUnitsAmount() < 15){
      if (courses.size()==0){
      if(course.chooseCourse(this)){
      courses.add(course);maxUnitsToTake += course.getUnitsAmount();
      coursesWantToTake--;
      }
      }
      else {
      int t=0;
      for (int i = 0; i < courses.size(); i++) {
      if (courses.get(i).getName().equals(course.getName())) {
      t=1;
      break;
      }
      }
      if(t==0){
      if(course.chooseCourse(this)){
      courses.add(course);
      maxUnitsToTake += course.getUnitsAmount();
      coursesWantToTake--;
      }
      }
      else {
      System.out.println("Repetitive unit. take another.");
      }
      }
      }
      else {
      System.out.println(name + ", Your units must be less than 15. So you can't add this unit.");
      }
      }
      if(average <= 10 ){
      if (maxUnitsToTake <= 15){
      System.out.println("You can't take units");
      coursesWantToTake =0;
      return;
      }
      }
      }
      /**
      * @param course to remove
      */
      public void removeCourse(Course course){
      courses.remove(course);
      course.removeStudent(this);
      coursesWantToTake++;
      maxUnitsToTake-=course.getUnitsAmount();
      }
      /**
      * print student's info
      */
      public void printStudent(){
      System.out.print(this.name + ": ");
      for (Course i : courses){
      System.out.print(i.getName() + " ");
      }
      }
      }
      portal/Test.java 0 → 100644
      View file @ 240fbe4d
      package portal;
      import java.util.ArrayList;
      import java.util.Iterator;
      import java.util.Scanner;
      public class Test {
      public static void main(String[] args) {
      ArrayList<Course> courses = new ArrayList<Course>();
      ArrayList<Student> students = new ArrayList<Student>();
      Course course ;
      Student student;
      // course = new Course("ap" , 2 , "3101", 2 );
      // student = new Student("mr" , 9831027 , 18 , 1);
      // courses.add(course);
      // students.add(student);
      // student.addCourse(course);
      // student.removeCourse(course);
      // Iterator<Course> it = courses.iterator();
      Scanner myObj = new Scanner(System.in);
      int coursesNum = Integer.parseInt(myObj.nextLine());
      /**
      * creating Course object
      */
      for (int i = 0; i < coursesNum ; i++) {
      String courseName = myObj.nextLine();
      String courseId = myObj.nextLine();
      int courseUnit = Integer.parseInt(myObj.nextLine());
      int capacity = Integer.parseInt(myObj.nextLine());
      course = new Course(courseName , courseUnit , courseId , capacity);
      courses.add(course);
      }
      int studentsNum = Integer.parseInt(myObj.nextLine());
      /**
      * creating Student object
      */
      for (int i = 0; i < studentsNum ; i++) {
      String studentName = myObj.nextLine();
      int studentId = Integer.parseInt(myObj.nextLine());
      int average = Integer.parseInt(myObj.nextLine());
      int coursesWantToTake = Integer.parseInt(myObj.nextLine());
      student = new Student(studentName , studentId , average , coursesWantToTake);
      students.add(student);
      while (student.getCoursesWantToTake() !=0 ){
      String courseNameOrId = myObj.nextLine();
      int t=0;
      for (int j = 0; j < courses.size() ; j++) {
      if(courseNameOrId.equals(courses.get(j).getName()) || courseNameOrId.equals(courses.get(j).getCourseId())){
      student.addCourse(courses.get(j));
      t=1;
      }
      }
      if(t==0){
      System.out.println("Undefined course. Please choose another one.");}
      }
      }
      int numberOfStudentsToAddOrRemove = Integer.parseInt(myObj.nextLine());
      /**
      * adding or removing courses for students one by one
      */
      Course course1 = null;
      for (int i = 0; i < numberOfStudentsToAddOrRemove ; i++) {
      String studentName = myObj.nextLine();
      int numberOfCoursesToAddOrRemove = Integer.parseInt(myObj.nextLine());
      for (int j = 0; j < numberOfCoursesToAddOrRemove ; j++) {
      String courseIdToAddOrRemove = myObj.nextLine();
      for (int k = 0; k < courses.size() ; k++) {
      if(courses.get(k).getCourseId().equals(courseIdToAddOrRemove)){course1 = courses.get(k);}
      }
      for (int k = 0; k < students.size() ; k++) {
      if(students.get(k).getName().equals(studentName)){
      int l=0;
      if (students.get(k).courses.contains(course1)){
      students.get(k).removeCourse(course1);
      }
      else {
      students.get(k).addCourse(course1);
      }
      }
      }
      }
      }
      for (int i = 0; i < courses.size() ; i++) {
      courses.get(i).printCourse();
      System.out.println();
      }
      for (int i = 0; i < students.size() ; i++) {
      students.get(i).printStudent();
      System.out.println();
      }
      }
      }
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