org.openurp.edu.program.model.AlternativeCourse.scala Maven / Gradle / Ivy

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/*
 * Copyright (C) 2014, The OpenURP Software.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see .
 */

package org.openurp.edu.program.model

import org.beangle.commons.collection.Collections
import org.beangle.data.model.LongId
import org.beangle.data.model.pojo.{Remark, Updated}
import org.openurp.base.edu.model.*
import org.openurp.base.model.{Department, Project}
import org.openurp.base.std.model.{Grade, Student}
import org.openurp.code.std.model.StdType

import java.time.Instant

/**
 * 课程替代关系.
 *
 * @author new
 */
trait AlternativeCourse extends LongId with Updated {

  /** 原课程 */
  var olds = Collections.newSet[Course]

  /** 新课程 */
  var news = Collections.newSet[Course]

  def exchange(): Unit = {
    val nolds = Collections.newSet[Course]
    nolds ++= news
    news.clear()
    news ++= olds
    olds.clear()
    olds ++= nolds
  }

  def update(olds: Iterable[Course], news: Iterable[Course]): Unit = {
    this.olds.clear()
    this.olds.addAll(olds)
    this.news.clear()
    this.news.addAll(news)
    this.updatedAt = Instant.now
  }
}

/**
 * 专业替代课程.
 */
class MajorAlternativeCourse extends AlternativeCourse with Remark {

  /**
   * 项目
   */
  var project: Project = _

  /**
   * 起始年级.
   */
  var fromGrade: Grade = _
  /** 截至年级 */
  var toGrade: Grade = _

  /**
   * 院系
   */
  var department: Option[Department] = None

  /**
   * 适用专业.
   */
  var major: Option[Major] = None

  /**
   * 适用方向.
   */
  var direction: Option[Direction] = None

  /**
   * 学生类别
   */
  var stdType: Option[StdType] = None
}

/**
 * 学生替代课程.
 */
class StdAlternativeCourse extends AlternativeCourse with Remark {

  /** 获取学生 */
  var std: Student = _

  def this(std: Student) = {
    this()
    this.std = std
  }

  def this(std: Student, olds: Iterable[Course], news: Iterable[Course]) = {
    this(std)
    this.update(olds, news)
  }
}