Files
RenewCMS/internal/infrastructure/persistence/database/articleStoryBackfill.go
T

44 lines
1.2 KiB
Go

package database
import (
entity "RenewCMS/internal/infrastructure/persistence/models"
"gorm.io/gorm"
)
const (
articleStoriesMarker = "article_stories"
articleStoryLanguageIndex = "idx_articles_story_lang"
articleStoryLanguageIndexSQL = "CREATE UNIQUE INDEX idx_articles_story_lang ON articles (story_id, lang)"
)
func BackfillArticleStories(db *gorm.DB) error {
return db.Transaction(func(tx *gorm.DB) error {
applied, err := markerApplied(tx, articleStoriesMarker)
if err != nil || applied {
return err
}
var ids []uint32
if err := tx.Unscoped().Model(&entity.Article{}).Where("story_id = ?", 0).Order("id ASC").Pluck("id", &ids).Error; err != nil {
return err
}
for _, id := range ids {
story := entity.Story{}
if err := tx.Create(&story).Error; err != nil {
return err
}
if err := tx.Unscoped().Model(&entity.Article{}).Where("id = ?", id).UpdateColumn("story_id", story.ID).Error; err != nil {
return err
}
}
return applyMarker(tx, articleStoriesMarker)
})
}
func ensureArticleStoryLanguageIndex(db *gorm.DB) error {
if db.Migrator().HasIndex(&entity.Article{}, articleStoryLanguageIndex) {
return nil
}
return db.Exec(articleStoryLanguageIndexSQL).Error
}