package main import ( "fmt" "regexp" ) var namePattern = regexp.MustCompile(`^[[:alpha:]][[:alnum:]-_]{0,19}$`) func ValidName(name string) bool { return namePattern.MatchString(name) } type Profile struct { id int name string } func (p *Profile) Create() error { _, err := db.Exec(` insert into profiles (name) values (?) ;`, p.name) if err != nil { return fmt.Errorf("unable to create profile: %v", err) } return nil } func profilesTable() { stmnt := `create table if not exists profiles ( id integer not null primary key autoincrement, name text unique );` if _, err := db.Exec(stmnt); err != nil { log_error("couldn't create profiles table: %v", err) } } func loadProfile(name string) (*Profile, error) { row := db.QueryRow(`select * from profiles where name = ?`, name) var p Profile if err := row.Scan(&p.id, &p.name); err != nil { return nil, fmt.Errorf("unable to fetch profile from database: %v", err) } return &p, nil }