90 lines
2.2 KiB
Go
90 lines
2.2 KiB
Go
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package repositories
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import (
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"learnsteam/cslms-api/internal/models"
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"gorm.io/gorm"
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)
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type paperQuizRepository struct {
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DB *gorm.DB
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}
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func NewPaperQuizRepository(db *gorm.DB) PaperQuizRepository {
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return &paperQuizRepository{
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DB: db,
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}
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}
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type PaperQuizRepository interface {
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List(int64, int, int) (*[]models.PaperQuiz, error)
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Total(int64) (int64, error)
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Find(int64) (*models.PaperQuiz, error)
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Update(*models.PaperQuiz) (*models.PaperQuiz, error)
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Delete(int64) error
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SumScore(int64) (float32, error)
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}
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func (r *paperQuizRepository) List(paper_id int64, page int, limit int) (*[]models.PaperQuiz, error) {
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var rows *[]models.PaperQuiz
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var err error
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offset := limit * (page - 1)
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if paper_id > 0 {
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err = r.DB.Offset(offset).Limit(limit).Order("vol_no ASC").Where("user_quiz_paper_id = ?", paper_id).Find(&rows).Error
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} else {
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err = r.DB.Offset(offset).Limit(limit).Find(&rows).Error
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}
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return rows, err
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}
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func (r *paperQuizRepository) Total(paper_id int64) (int64, error) {
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var total int64
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var err error
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if paper_id > 0 {
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err = r.DB.Model(&models.PaperQuiz{}).Where("user_quiz_paper_id = ?", paper_id).Count(&total).Error
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} else {
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err = r.DB.Model(&models.PaperQuiz{}).Count(&total).Error
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}
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return total, err
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}
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func (r *paperQuizRepository) Find(id int64) (*models.PaperQuiz, error) {
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var row *models.PaperQuiz
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err := r.DB.Where("id = ?", id).First(&row).Error
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return row, err
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}
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func (r *paperQuizRepository) Update(quiz *models.PaperQuiz) (*models.PaperQuiz, error) {
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var row *models.PaperQuiz
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if err := r.DB.Where("id=?", quiz.ID).First(&row).Error; err != nil {
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return nil, err
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}
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err := r.DB.Model(&row).Select("*").Updates(&quiz).Error
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return row, err
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}
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func (r *paperQuizRepository) Delete(id int64) error {
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var row *models.PaperQuiz
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if err := r.DB.Where("id=?", id).First(&row).Error; err != nil {
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return err
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}
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err := r.DB.Delete(&row).Error
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return err
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}
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func (r *paperQuizRepository) SumScore(paper_id int64) (float32, error) {
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var result struct {
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Score float32
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}
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if err := r.DB.Model(&models.PaperQuiz{}).Select("SUM(score) AS score").
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Where("user_quiz_paper_id = ?", paper_id).
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Scan(&result).Error; err != nil {
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return 0, err
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}
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return result.Score, nil
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}
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