canglan
d6dec878bd
- 后端从 Python FastAPI 重写为 Go Gin（端口 56789） - 多班级完全隔离 - 超级管理员独立登录 - 课代表作业管理、排行榜分项排行 - 角色加减分上下限可配置 - 家长改密功能（可开关） - 周度/月度重置功能 - MySQL 5.7 兼容 - 43轮代码审查+全部修复 - Apache 2.0 许可证
81 lines
2.1 KiB
Go
81 lines
2.1 KiB
Go
// ===========================================
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// 多班级版班级管理系统 - Go 后端
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//
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// 开发者: Canglan
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// 联系方式: admin@sea-studio.top
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// 版权归属: Sea Network Technology Studio
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// 许可证: Apache License 2.0
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//
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// 版权所有 © Sea Network Technology Studio
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// ===========================================
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package service
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import (
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"hz-gitea.sea-studio.top/canglan/SharedClassManager/internal/repository"
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)
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// RankingService 排行榜服务
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type RankingService struct {
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studentRepo *repository.StudentRepo
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conductRepo *repository.ConductRepo
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}
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// NewRankingService 创建排行榜服务
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func NewRankingService(
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studentRepo *repository.StudentRepo,
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conductRepo *repository.ConductRepo,
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) *RankingService {
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return &RankingService{
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studentRepo: studentRepo,
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conductRepo: conductRepo,
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}
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}
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// GetRankings 获取排行榜
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func (s *RankingService) GetRankings(classID int, rankType string, limit int) (map[string]interface{}, error) {
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switch rankType {
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case "attendance", "homework", "conduct":
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return s.getTypedRanking(classID, rankType, limit)
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default:
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// 默认按操行分总分排行
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ranking, err := s.studentRepo.GetRanking(classID, limit)
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if err != nil {
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return nil, err
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}
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totalStudents, _ := s.studentRepo.GetTotalCount(classID)
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return map[string]interface{}{
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"ranking": ranking,
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"total_students": totalStudents,
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"type": "all",
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}, nil
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}
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}
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// getTypedRanking 获取分项排行榜（使用 SQL 层聚合，避免全量加载）
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func (s *RankingService) getTypedRanking(classID int, relatedType string, limit int) (map[string]interface{}, error) {
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dbType := relatedType
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if relatedType == "conduct" {
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dbType = "manual"
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}
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results, err := s.conductRepo.GetStudentPointsByType(classID, dbType, limit)
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if err != nil {
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return nil, err
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}
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var rankings []map[string]interface{}
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for _, r := range results {
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rankings = append(rankings, map[string]interface{}{
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"student_id": r.StudentID,
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"student_no": r.StudentNo,
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"name": r.Name,
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"points": r.TotalPoints,
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})
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}
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return map[string]interface{}{
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"ranking": rankings,
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"type": relatedType,
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}, nil
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}
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