package com.nju.edu.eval.data.entity;

import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.EqualsAndHashCode;
import lombok.NoArgsConstructor;

import javax.persistence.*;
import java.util.LinkedList;
import java.util.List;

/**
 * @author weijin
 */
@Data
@Entity
@EqualsAndHashCode
@NoArgsConstructor
@AllArgsConstructor
@Table(name = "course")
public class Course {
    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    @Column(name = "id")
    private Integer id;

    /**
     * 课程名
     */
    private String name;

    /**
     * 选课码
     */
    private String code;

    /**
     * 课程对应的老师
     */
    private Integer teacherId;

    /**
     * 是否为公开的课程
     */
    private Integer isPublic;

    /**
     * 选课学生
     */
    @ElementCollection
    @CollectionTable(name = "user_course", joinColumns = @JoinColumn(name = "course_id"))
    @Column(name = "user_id")
    private List<Integer> studentIds;

    public Course(String name, String code, Integer teacherId, Integer isPublic) {
        this.name = name;
        this.code = code;
        this.teacherId = teacherId;
        this.isPublic = isPublic;
    }
}