package database

import (
	entity "RenewCMS/internal/infrastructure/persistence/models"

	"gorm.io/gorm"
)

const (
	sourceRevisionColumn    = "source_revision"
	untranslatedSourceValue = 0
)

func BackfillNullSourceRevisions(db *gorm.DB) error {
	migrator := db.Migrator()
	if !migrator.HasTable(&entity.Article{}) || !migrator.HasColumn(&entity.Article{}, sourceRevisionColumn) {
		return nil
	}
	return db.Unscoped().Model(&entity.Article{}).Where(sourceRevisionColumn+" IS NULL").UpdateColumn(sourceRevisionColumn, untranslatedSourceValue).Error
}