67 lines
1.8 KiB
Go
67 lines
1.8 KiB
Go
package service
|
|
|
|
import (
|
|
"exam_registration/internal/dao"
|
|
"exam_registration/internal/model"
|
|
"errors"
|
|
"fmt"
|
|
"time"
|
|
)
|
|
|
|
type ExamService struct{}
|
|
|
|
func (s *ExamService) CreateExam(exam *model.Exam) error {
|
|
// 验证时间逻辑
|
|
if exam.StartTime.Before(time.Now()) {
|
|
return errors.New("考试开始时间不能早于当前时间")
|
|
}
|
|
if exam.EndTime.Before(exam.StartTime) {
|
|
return errors.New("考试结束时间不能早于开始时间")
|
|
}
|
|
if exam.RegistrationEnd.Before(exam.RegistrationStart) {
|
|
return errors.New("报名截止时间不能早于开始时间")
|
|
}
|
|
|
|
return dao.DB.Create(exam).Error
|
|
}
|
|
|
|
func (s *ExamService) GetExamByID(id uint64) (*model.Exam, error) {
|
|
var exam model.Exam
|
|
if err := dao.DB.First(&exam, id).Error; err != nil {
|
|
return nil, errors.New("考试不存在")
|
|
}
|
|
return &exam, nil
|
|
}
|
|
|
|
func (s *ExamService) GetExamList(page, pageSize int) ([]model.Exam, int64, error) {
|
|
var exams []model.Exam
|
|
var total int64
|
|
|
|
offset := (page - 1) * pageSize
|
|
|
|
if err := dao.DB.Model(&model.Exam{}).Count(&total).Error; err != nil {
|
|
return nil, 0, err
|
|
}
|
|
|
|
err := dao.DB.Offset(offset).Limit(pageSize).Order("id DESC").Find(&exams).Error
|
|
return exams, total, err
|
|
}
|
|
|
|
func (s *ExamService) UpdateExam(id uint64, updates map[string]interface{}) error {
|
|
return dao.DB.Model(&model.Exam{}).Where("id = ?", id).Updates(updates).Error
|
|
}
|
|
|
|
func (s *ExamService) DeleteExam(id uint64) error {
|
|
return dao.DB.Delete(&model.Exam{}, id).Error
|
|
}
|
|
|
|
func (s *ExamService) UpdateExamStatus(id uint64, status int) error {
|
|
// 更新考试状态并同步更新相关报名记录的状态
|
|
return dao.DB.Transaction(func(tx *dao.DB) error {
|
|
if err := tx.Model(&model.Exam{}).Where("id = ?", id).Update("status", status).Error; err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
})
|
|
}
|