init

internal/service/exam_service.go

@@ -0,0 +1,66 @@
+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
+	})
+}

internal/service/notice_service.go

@@ -0,0 +1,50 @@
+package service
+
+import (
+	"exam_registration/internal/dao"
+	"exam_registration/internal/model"
+	"errors"
+	"time"
+)
+
+type NoticeService struct{}
+
+func (s *NoticeService) CreateNotice(notice *model.ExamNotice) error {
+	notice.PublishTime = time.Now()
+	return dao.DB.Create(notice).Error
+}
+
+func (s *NoticeService) GetNoticeByID(id uint64) (*model.ExamNotice, error) {
+	var notice model.ExamNotice
+	if err := dao.DB.Preload("Exam").First(&notice, id).Error; err != nil {
+		return nil, errors.New("通知不存在")
+	}
+	return &notice, nil
+}
+
+func (s *NoticeService) GetNoticeList(examID, page, pageSize int) ([]model.ExamNotice, int64, error) {
+	var notices []model.ExamNotice
+	var total int64
+
+	offset := (page - 1) * pageSize
+	query := dao.DB.Model(&model.ExamNotice{}).Preload("Exam")
+
+	if examID > 0 {
+		query = query.Where("exam_id = ?", examID)
+	}
+
+	if err := query.Count(&total).Error; err != nil {
+		return nil, 0, err
+	}
+
+	err := query.Offset(offset).Limit(pageSize).Order("id DESC").Find(&notices).Error
+	return notices, total, err
+}
+
+func (s *NoticeService) UpdateNotice(id uint64, updates map[string]interface{}) error {
+	return dao.DB.Model(&model.ExamNotice{}).Where("id = ?", id).Updates(updates).Error
+}
+
+func (s *NoticeService) DeleteNotice(id uint64) error {
+	return dao.DB.Delete(&model.ExamNotice{}, id).Error
+}

internal/service/registration_service.go

@@ -0,0 +1,100 @@
+package service
+
+import (
+	"exam_registration/internal/dao"
+	"exam_registration/internal/model"
+	"errors"
+	"fmt"
+	"time"
+)
+
+type RegistrationService struct{}
+
+func (s *RegistrationService) CreateRegistration(userID, examID uint64, remark string) error {
+	// 检查考试是否存在
+	var exam model.Exam
+	if err := dao.DB.First(&exam, examID).Error; err != nil {
+		return errors.New("考试不存在")
+	}
+
+	// 检查报名时间
+	now := time.Now()
+	if now.Before(exam.RegistrationStart) {
+		return errors.New("尚未开始报名")
+	}
+	if now.After(exam.RegistrationEnd) {
+		return errors.New("报名已截止")
+	}
+
+	// 检查是否已报名
+	var existingReg model.ExamRegistration
+	if err := dao.DB.Where("user_id = ? AND exam_id = ?", userID, examID).First(&existingReg).Error; err == nil {
+		return errors.New("您已经报过名了")
+	}
+
+	// 检查考试容量
+	if exam.MaxCandidates > 0 {
+		var count int64
+		dao.DB.Model(&model.ExamRegistration{}).Where("exam_id = ? AND status IN (?)", []int{0, 1}).Count(&count)
+		if count >= int64(exam.MaxCandidates) {
+			return errors.New("报名人数已满")
+		}
+	}
+
+	registration := model.ExamRegistration{
+		UserID:        userID,
+		ExamID:        examID,
+		Status:        0, // 待审核
+		PaymentStatus: 0, // 未支付
+		Remark:        remark,
+	}
+
+	return dao.DB.Create(&registration).Error
+}
+
+func (s *RegistrationService) GetRegistrationList(userID, examID, page, pageSize int) ([]model.ExamRegistration, int64, error) {
+	var registrations []model.ExamRegistration
+	var total int64
+
+	offset := (page - 1) * pageSize
+	query := dao.DB.Model(&model.ExamRegistration{}).Preload("User").Preload("Exam")
+
+	if userID > 0 {
+		query = query.Where("user_id = ?", userID)
+	}
+	if examID > 0 {
+		query = query.Where("exam_id = ?", examID)
+	}
+
+	if err := query.Count(&total).Error; err != nil {
+		return nil, 0, err
+	}
+
+	err := query.Offset(offset).Limit(pageSize).Order("id DESC").Find(&registrations).Error
+	return registrations, total, err
+}
+
+func (s *RegistrationService) AuditRegistration(regID uint64, status int, comment string) error {
+	now := time.Now()
+	updates := map[string]interface{}{
+		"status":       status,
+		"audit_time":   now,
+		"audit_comment": comment,
+	}
+
+	if status == 1 { // 审核通过，生成准考证号
+		ticketNumber := fmt.Sprintf("TKT%d%d", regID, now.Unix())
+		updates["ticket_number"] = ticketNumber
+		// TODO: 编排考场座位
+	}
+
+	return dao.DB.Model(&model.ExamRegistration{}).Where("id = ?", regID).Updates(updates).Error
+}
+
+func (s *RegistrationService) UpdateRegistration(regID uint64, updates map[string]interface{}) error {
+	return dao.DB.Model(&model.ExamRegistration{}).Where("id = ?", regID).Updates(updates).Error
+}
+
+func (s *RegistrationService) DeleteRegistration(regID uint64) error {
+	return dao.DB.Delete(&model.ExamRegistration{}, regID).Error
+}