package utils import ( "fmt" "github.com/emvi/logbuch" "gorm.io/gorm" "reflect" ) func IsCleanDB(db *gorm.DB) bool { if db.Dialector.Name() == "sqlite" { var count int64 if err := db.Raw("SELECT count(*) from sqlite_master WHERE type = 'table'").Scan(&count).Error; err != nil { logbuch.Error("failed to check if database is clean - '%v'", err) return false } return count == 0 } logbuch.Warn("IsCleanDB is not yet implemented for dialect '%s'", db.Dialector.Name()) return false } func HasConstraints(db *gorm.DB) bool { if db.Dialector.Name() == "sqlite" { var count int64 if err := db.Raw("SELECT count(*) from sqlite_master WHERE sql LIKE '%CONSTRAINT%'").Scan(&count).Error; err != nil { logbuch.Error("failed to check if database has constraints - '%v'", err) return false } return count != 0 } logbuch.Warn("HasForeignKeyConstraints is not yet implemented for dialect '%s'", db.Dialector.Name()) return false } func WhereNullable(query *gorm.DB, col string, val any) *gorm.DB { if val == nil || reflect.ValueOf(val).IsNil() { return query.Where(fmt.Sprintf("%s is null", col)) } return query.Where(fmt.Sprintf("%s = ?", col), val) }