org.openurp.edu.grade.course.service.CourseGradeService.scala Maven / Gradle / Ivy

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/*
 * OpenURP, Agile University Resource Planning Solution.
 *
 * Copyright © 2014, The OpenURP Software.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see .
 */
package org.openurp.edu.grade.course.service

import org.openurp.edu.base.model.Semester
import org.openurp.edu.base.model.Student
import org.openurp.edu.grade.course.model.{ CourseGrade, StdGpa }

trait CourseGradeService {

  def getGrades(std: Student, semesters: Semester*): collection.Seq[CourseGrade]
  /**
   * 查询一批学生发布的成绩
   */
  def getGrades(stds: Iterable[Student], semesters: Semester*): collection.Map[Student, collection.Seq[CourseGrade]]

  /**
   * 如果semesters不包含元素或者为null则统计所有学期 否则统计学生的在校semesters所包含的学期的平均绩点
   *
   * @param std
   * @return
   */
  def getGpa(std: Student, semesters: Semester*): StdGpa

  /**
   * 查看学生各个课程的通过状态
   */
  def getPassedStatus(std: Student): collection.Map[java.lang.Long, Boolean]
}