func updatePopularNames(db *sql.DB, fk int64, table_name string, names []string) {
posted_names := getNamesMap(names)
current_names_slices, err := repository.GetPopularNames(db, fk, table_name)
current_names := getNamesMap(current_names_slices)
if err != nil {
return
}
new_names := getNewNames(current_names, posted_names)
for _, new_name := range new_names {
repository.InsertPopularName(db, fk, table_name, new_name)
}
deleted_names := getDeletedNames(current_names, posted_names)
for _, deleted_name := range deleted_names {
repository.DeletePopularName(db, deleted_name)
}
}
func insertPopularNames(db *sql.DB, fk int64, table_name string, names []string) {
for _, new_name := range names {
repository.InsertPopularName(db, fk, table_name, new_name)
}
}