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54 lines
1.3 KiB
54 lines
1.3 KiB
package models
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import (
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"context"
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"errors"
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"unicode/utf8"
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"golang.org/x/crypto/bcrypt"
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)
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// The User model represents a registered user.
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type User struct {
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ID int `db:"id" json:"id"`
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Name string `db:"name" json:"name"`
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PassHash []byte `db:"hash" json:"-"`
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}
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// SetPassword sets the user's password
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func (user *User) SetPassword(password string) error {
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passwordBytes := []byte(password)
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if utf8.RuneCount(passwordBytes) < 6 {
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return errors.New("Password is too short (<6 unicode runes)")
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}
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hash, err := bcrypt.GenerateFromPassword(passwordBytes, bcrypt.DefaultCost)
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if err != nil {
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return err
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}
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user.PassHash = hash
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return nil
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}
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// CheckPassword checks the user's password against the hash.
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func (user *User) CheckPassword(attempt string) error {
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err := bcrypt.CompareHashAndPassword(user.PassHash, []byte(attempt))
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if err != nil {
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return err
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}
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return nil
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}
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// UserRepository is an interface for all database operations
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// the user model makes.
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type UserRepository interface {
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FindByID(ctx context.Context, id int) (User, error)
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FindByName(ctx context.Context, name string) (User, error)
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List(ctx context.Context) ([]User, error)
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Insert(ctx context.Context, user User) (User, error)
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Update(ctx context.Context, user User) error
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Remove(ctx context.Context, user User) error
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}
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