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