/
article.go
86 lines (73 loc) · 1.72 KB
/
article.go
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package store
import (
"errors"
"gorm.io/gorm"
"github.com/edlorenzo/blog-api/model"
)
type ArticleStore struct {
db *gorm.DB
}
func NewArticleStore(db *gorm.DB) *ArticleStore {
return &ArticleStore{
db: db,
}
}
func (as *ArticleStore) CreateArticle(a *model.Article) error {
tx := as.db.Begin()
if err := tx.Create(&a).Error; err != nil {
tx.Rollback()
return err
}
if err := tx.Where(a.ID).Preload("User").First(&a).Error; err != nil {
tx.Rollback()
return err
}
return tx.Commit().Error
}
func (as *ArticleStore) UpdateArticle(a *model.Article) error {
tx := as.db.Begin()
if err := tx.Model(a).Updates(a).Error; err != nil {
tx.Rollback()
return err
}
if err := tx.Where(a.ID).Preload("User").First(a).Error; err != nil {
tx.Rollback()
return err
}
return tx.Commit().Error
}
func (as *ArticleStore) DeleteArticle(a *model.Article) error {
return as.db.Delete(a).Error
}
func (as *ArticleStore) GetArticleByIDs(application *model.Article) (*model.Article, error) {
var m model.Article
err := as.db.Where(application.ID).Preload("User").First(&m).Error
if err != nil {
if errors.Is(err, gorm.ErrRecordNotFound) {
return nil, nil
}
return nil, err
}
return &m, err
}
func (as *ArticleStore) ListLimitOffset(offset, limit int) ([]model.Article, int64, error) {
var (
articles []model.Article
count int64
)
as.db.Model(&articles).Count(&count)
as.db.Preload("User").
Offset(offset).
Limit(limit).
Order("created_at desc").Find(&articles)
return articles, count, nil
}
func (as *ArticleStore) List() ([]model.Article, error) {
var (
articles []model.Article
)
as.db.Model(&articles)
as.db.Preload("User").
Order("created_at desc").Find(&articles)
return articles, nil
}