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@@ -16,6 +16,8 @@ class StudentService extends CrudService {
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this.clamodel = this.ctx.model.Class;
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this.upmodel = this.ctx.model.Uploadtask;
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this.gmodel = this.ctx.model.Group;
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+ this.psmodel = this.ctx.model.Personalscore;
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+ this.gsmodel = this.ctx.model.Groupscore;
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}
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async create(data) {
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@@ -215,6 +217,121 @@ class StudentService extends CrudService {
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}
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}
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}
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+
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+ /**
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+ * 计算班级的优秀学生
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+ * 规则:班级干部(学生的job!=='普通学生'),检查是否有评优资格(is_fine_status==='0'可以评优),全部评优;
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+ * 普通学生取总成绩前10的人评优(非10位并列时,名额该占用就占用;第10名若有并列,就全都要)
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+ * @param {String} param0 {id=>班级id}
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+ */
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+ async getFineStudent({ id: classid }) {
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+ // 获取班级学生列表
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+ let studentList = await this.model.find({ classid });
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+ // 重置评优,干部全优秀
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+ studentList = studentList.map(i => {
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+ if (i.job.includes('普通')) i.is_fine = '1';
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+ else i.is_fine = '0';
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+ return i;
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+ });
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+ // 初始化后取出不需要算的人,他们就这样,没必要算
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+ const reverseList = studentList.filter(f => !(f.is_fine !== '2' && f.job.includes('普通')));
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+ // 过滤出取消评优资格的学生和干部;干部就是优秀;被取消资格就别凑热闹了
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+ studentList = studentList.filter(f => f.is_fine !== '2' && f.job.includes('普通'));
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+ // 获取平时分
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+ const dailyScoreList = await this.psmodel.find({ classid });
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+ studentList = this.dealScoreList(dailyScoreList, studentList);
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+ // 获取作业分
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+ const taskScoreList = await this.upmodel.find({ classid });
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+ studentList = this.dealScoreList(taskScoreList, studentList);
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+ // 获取小组分,小组
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+ const groupList = await this.gmodel.find({ classid });
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+ const groupScoreList = await this.gsmodel.find({ classid });
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+ studentList = this.dealGroupScoreList(groupList, groupScoreList, studentList);
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+ studentList = studentList.sort((a, b) => (b.score * 1 || 0) - (a.score * 1 || 0));
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+ // 排名
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+ // eslint-disable-next-line no-unused-vars
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+ let num = 0;
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+ for (const student of studentList) {
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+ // 先判断是否超过第10位,超过就跳出
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+ if (num > 10) break;
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+ const { score, is_fine } = student;
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+ // 最开始初始化过所有人的状态,并且将干部和不能评优的人都过滤出去,所以正常学生应该都是没有评优,如果此处已经是优秀,那么就是和前人同分改的,直接跳过就好
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+ if (is_fine === '1') continue;
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+ // 没有分凑什么热闹
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+ if (!score) continue;
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+ let plus = 1; // 这轮有多少人,到这了,这个人肯定是要改了,所以默认1
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+ // 评优
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+ student.is_fine = '1';
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+ const rlist = studentList.filter(f => f.score === score);
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+ // 处理同分的人也都变成is_fine
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+ for (const stud of rlist) {
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+ stud.is_fine = '1';
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+ const sindex = studentList.findIndex(f => ObjectId(stud._id).equals(f._id));
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+ if (sindex >= 0) {
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+ studentList[sindex] = stud;
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+ plus++;
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+ }
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+ }
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+ // num+plus,算下num
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+ num = num + plus;
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+ }
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+ // 算完的和不用算的合并,提交
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+ const lastList = [ ...studentList, ...reverseList ];
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+ for (const student of lastList) {
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+ const res = await student.save();
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+ // const { meta, ...data } = student;
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+ // const r = await this.model.findByIdAndUpdate(
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+ // { _id: ObjectId(student._id) },
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+ // data
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+ // );
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+ console.log(res);
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+ }
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+
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+ }
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+ /**
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+ * 将分数放到学生身上
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+ * @param {Array} scoreList 班级的分数列表
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+ * @param {Array} studentList 学生列表
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+ */
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+ dealScoreList(scoreList, studentList) {
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+ scoreList = _.groupBy(scoreList, 'studentid');
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+ studentList = studentList.map(i => {
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+ const slist = scoreList[i._id];
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+ if (slist)i.score = (i.score * 1 || 0) + slist.reduce((p, n) => p + (n.score * 1 || 0), 0);
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+ return i;
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+ });
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+ return studentList;
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+ }
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+ /**
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+ * 将 学生所在 组的 团队平均分 + 到学生身上
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+ * @param {Array} groupList 班级的小组的列表
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+ * @param {Array} scoreList 所有小组的分数列表
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+ * @param {Array} studentList 学生列表
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+ */
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+ dealGroupScoreList(groupList, scoreList, studentList) {
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+ // console.log(groupList);
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+ scoreList = _.groupBy(scoreList, 'groupid');
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+ // 算出每组的平均分,之后加给学生
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+ groupList = groupList.map(i => {
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+ const { students } = i;
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+ if (students.length > 0) {
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+ const slist = scoreList[i._id];
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+ if (slist) {
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+ i.score = slist.reduce((p, n) => p + (n.score * 1 || 0), 0);
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+ i.score = _.floor(_.divide(i.score, students.length), 2);
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+ }
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+ }
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+
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+ return i;
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+ });
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+ // 每个学生加自己的组的平均分
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+ studentList = studentList.map(i => {
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+ const r = groupList.find(f => f.students.find(sf => ObjectId(sf.stuid).equals(i._id)));
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+ if (r) i.score = (i.score * 1 || 0) + (r.score * 1 || 0);
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+ return i;
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+ });
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+ return studentList;
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+ }
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}
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module.exports = StudentService;
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