feat: Sites feature backend

internal/infrastructure/persistence/repositories/articleRepository.go

@@ -40,6 +40,9 @@ func (a *ArticleRepository) scoped(filters domain.Filters) *gorm.DB {
 	if filters.IsOnline != nil {
 		query = query.Where("is_online = ?", *filters.IsOnline)
 	}
+	if filters.SiteID != nil {
+		query = query.Where("site_id = ?", *filters.SiteID)
+	}
 	switch filters.Status {
 	case domain.StatusOnline:
 		query = query.Where("is_online = ?", true)
@@ -177,19 +180,24 @@ func (a *ArticleRepository) GetByName(name string) (domain.Article, error) {
 }
 
 func (a *ArticleRepository) Create(article domain.Article) (domain.Article, error) {
-	creationResult := a.db.Create(&entity.Article{
+	created := entity.Article{
 		Title:    article.Title,
 		Body:     article.Body,
 		IsOnline: article.IsOnline,
-	})
-	if creationResult.Error != nil {
-		return domain.Article{}, creationResult.Error
+		SiteID:   article.SiteID,
 	}
-
-	var createdArticle entity.Article
-	creationResult.Scan(&createdArticle)
-
-	return mappers.ArticleToDomain(createdArticle), nil
+	err := a.db.Transaction(func(tx *gorm.DB) error {
+		if article.SiteID != 0 {
+			if _, err := lockSite(tx, article.SiteID); err != nil {
+				return err
+			}
+		}
+		return tx.Create(&created).Error
+	})
+	if err != nil {
+		return domain.Article{}, err
+	}
+	return mappers.ArticleToDomain(created), nil
 }
 
 func (a *ArticleRepository) GetAll() []domain.Article {
@@ -225,6 +233,31 @@ func (a *ArticleRepository) UpdateBody(id uint32, body string) (domain.Article,
 	return newArticle, nil
 }
 
+func (a *ArticleRepository) Update(id uint32, update domain.Update) (domain.Article, error) {
+	var localArticle entity.Article
+	err := a.db.Transaction(func(tx *gorm.DB) error {
+		if update.SiteID != nil {
+			if _, err := lockSite(tx, *update.SiteID); err != nil {
+				return err
+			}
+		}
+		if err := tx.Model(&entity.Article{}).First(&localArticle, id).Error; err != nil {
+			return mapNotFoundErr(err, domain.ErrArticleNotFound)
+		}
+		if update.Body != nil {
+			localArticle.Body = *update.Body
+		}
+		if update.SiteID != nil {
+			localArticle.SiteID = *update.SiteID
+		}
+		return tx.Save(&localArticle).Error
+	})
+	if err != nil {
+		return domain.Article{}, err
+	}
+	return mappers.ArticleToDomain(localArticle), nil
+}
+
 func (a *ArticleRepository) UpdateIsOnline(id uint32, isOnline bool) (domain.Article, error) {
 	var localArticle entity.Article
 	err := a.db.Model(&entity.Article{}).First(&localArticle, id).Error