Files
smartmate/backend/services/course/dao/course.go
Losita fd327f845b Version: 0.9.73.dev.260505
后端:
1.阶段 5 course 服务边界落地
- 新增 cmd/course 独立进程入口,落地 services/course dao/rpc/sv
- 新增 gateway/client/course、shared/contracts/course 和 shared/ports course port
- 将 /api/v1/course/* HTTP 门面切到 course zrpc,gateway 只保留鉴权、限流、幂等、文件读取和响应透传
- 保留 course 迁移期直写 schedule_events / schedules 权限,维持课程导入两个表同事务写入语义
- 为 course parse-image 补 bytes RPC 契约和 gRPC 消息大小配置,兼容课表图片上传
- 补充 course.rpc 示例配置与阶段 5 文档基线、切流点、残留依赖和 smoke 记录
2026-05-05 12:07:31 +08:00

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package dao
import (
"context"
"github.com/LoveLosita/smartflow/backend/model"
"gorm.io/gorm"
)
type CourseDAO struct {
db *gorm.DB
}
// NewCourseDAO 创建ScheduleDAO实例
func NewCourseDAO(db *gorm.DB) *CourseDAO {
return &CourseDAO{
db: db,
}
}
func (r *CourseDAO) WithTx(tx *gorm.DB) *CourseDAO {
return &CourseDAO{db: tx}
}
func (r *CourseDAO) AddUserCoursesIntoSchedule(ctx context.Context, courses []model.Schedule) error {
if err := r.db.WithContext(ctx).Create(&courses).Error; err != nil {
return err
}
return nil
}
func (r *CourseDAO) AddUserCoursesIntoScheduleEvents(ctx context.Context, events []model.ScheduleEvent) ([]int, error) {
if err := r.db.WithContext(ctx).Create(&events).Error; err != nil {
return nil, err
}
ids := make([]int, 0, len(events))
for i := range events {
ids = append(ids, events[i].ID)
}
return ids, nil
}
// Transaction 在同一个数据库事务中执行传入的函数,供 service 层复用(自动提交/回滚)
// 规则fn 返回 nil \-\> 提交fn 返回 error 或发生 panic \-\> 回滚
// 说明gorm\.\(\\\*DB\)\.Transaction 会在 fn 返回 error 时回滚,并在发生 panic 时自动回滚后继续向上抛出 panic
func (r *CourseDAO) Transaction(fn func(txDAO *CourseDAO) error) error {
return r.db.Transaction(func(tx *gorm.DB) error {
return fn(NewCourseDAO(tx))
})
}