cslms-api/internal/repositories/paperquiz.go

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2024-02-19 22:43:31 +09:00
package repositories
import (
"learnsteam/cslms-api/internal/models"
"gorm.io/gorm"
)
type paperQuizRepository struct {
DB *gorm.DB
}
func NewPaperQuizRepository(db *gorm.DB) PaperQuizRepository {
return &paperQuizRepository{
DB: db,
}
}
type PaperQuizRepository interface {
List(int64, int, int) (*[]models.PaperQuiz, error)
Total(int64) (int64, error)
Find(int64) (*models.PaperQuiz, error)
Update(*models.PaperQuiz) (*models.PaperQuiz, error)
Delete(int64) error
SumScore(int64) (float32, error)
}
func (r *paperQuizRepository) List(paper_id int64, page int, limit int) (*[]models.PaperQuiz, error) {
var rows *[]models.PaperQuiz
var err error
offset := limit * (page - 1)
if paper_id > 0 {
err = r.DB.Offset(offset).Limit(limit).Order("vol_no ASC").Where("user_quiz_paper_id = ?", paper_id).Find(&rows).Error
} else {
err = r.DB.Offset(offset).Limit(limit).Find(&rows).Error
}
return rows, err
}
func (r *paperQuizRepository) Total(paper_id int64) (int64, error) {
var total int64
var err error
if paper_id > 0 {
err = r.DB.Model(&models.PaperQuiz{}).Where("user_quiz_paper_id = ?", paper_id).Count(&total).Error
} else {
err = r.DB.Model(&models.PaperQuiz{}).Count(&total).Error
}
return total, err
}
func (r *paperQuizRepository) Find(id int64) (*models.PaperQuiz, error) {
var row *models.PaperQuiz
err := r.DB.Where("id = ?", id).First(&row).Error
return row, err
}
func (r *paperQuizRepository) Update(quiz *models.PaperQuiz) (*models.PaperQuiz, error) {
var row *models.PaperQuiz
if err := r.DB.Where("id=?", quiz.ID).First(&row).Error; err != nil {
return nil, err
}
err := r.DB.Model(&row).Select("*").Updates(&quiz).Error
return row, err
}
func (r *paperQuizRepository) Delete(id int64) error {
var row *models.PaperQuiz
if err := r.DB.Where("id=?", id).First(&row).Error; err != nil {
return err
}
err := r.DB.Delete(&row).Error
return err
}
func (r *paperQuizRepository) SumScore(paper_id int64) (float32, error) {
var result struct {
Score float32
}
if err := r.DB.Model(&models.PaperQuiz{}).Select("SUM(score) AS score").
Where("user_quiz_paper_id = ?", paper_id).
Scan(&result).Error; err != nil {
return 0, err
}
return result.Score, nil
}