82 lines
1.9 KiB
Go
82 lines
1.9 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 quizRepository struct {
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DB *gorm.DB
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}
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func NewQuizRepository(db *gorm.DB) QuizRepository {
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return &quizRepository{
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DB: db,
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}
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}
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type QuizRepository interface {
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List(int64, int, int) (*[]models.Quiz, error)
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Total(int64) (int64, error)
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Find(int64) (*models.Quiz, error)
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Create(*models.Quiz) (*models.Quiz, error)
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Update(*models.Quiz) (*models.Quiz, error)
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Delete(int64) error
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}
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func (r *quizRepository) List(quiz_paper_id int64, page int, limit int) (*[]models.Quiz, error) {
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var quizzes *[]models.Quiz
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var err error
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offset := limit * (page - 1)
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if quiz_paper_id > 0 {
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err = r.DB.Offset(offset).Limit(limit).Order("vol_no ASC").Where("quiz_paper_id = ?", quiz_paper_id).Find(&quizzes).Error
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} else {
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err = r.DB.Offset(offset).Limit(limit).Find(&quizzes).Error
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}
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return quizzes, err
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}
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func (r *quizRepository) Total(quiz_paper_id int64) (int64, error) {
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var total int64
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var err error
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if quiz_paper_id > 0 {
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err = r.DB.Model(&models.Quiz{}).Where("quiz_paper_id = ?", quiz_paper_id).Count(&total).Error
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} else {
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err = r.DB.Model(&models.Quiz{}).Count(&total).Error
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}
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return total, err
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}
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func (r *quizRepository) Find(id int64) (*models.Quiz, error) {
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var quiz *models.Quiz
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err := r.DB.Where("id = ?", id).First(&quiz).Error
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return quiz, err
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}
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func (r *quizRepository) Create(quiz *models.Quiz) (*models.Quiz, error) {
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err := r.DB.Create(&quiz).Error
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return quiz, err
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}
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func (r *quizRepository) Update(quiz *models.Quiz) (*models.Quiz, error) {
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var row *models.Quiz
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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 *quizRepository) Delete(id int64) error {
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var quiz *models.Quiz
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if err := r.DB.Where("id=?", id).First(&quiz).Error; err != nil {
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return err
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}
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err := r.DB.Delete(&quiz).Error
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return err
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}
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