103 lines
2.7 KiB
Go
103 lines
2.7 KiB
Go
package account
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import (
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"context"
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"errors"
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"feedsystem_video_go/internal/auth"
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"golang.org/x/crypto/bcrypt"
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)
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type AccountService struct {
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accountRepository *AccountRepository
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}
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func NewAccountService(accountRepository *AccountRepository) *AccountService {
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return &AccountService{accountRepository: accountRepository}
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}
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func (as *AccountService) CreateAccount(ctx context.Context, account *Account) error {
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passwordHash, err := bcrypt.GenerateFromPassword([]byte(account.Password), bcrypt.DefaultCost)
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if err != nil {
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return err
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}
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account.Password = string(passwordHash)
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if err := as.accountRepository.CreateAccount(ctx, account); 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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func (as *AccountService) Rename(ctx context.Context, accountID uint, newUsername string) error {
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if err := as.accountRepository.Rename(ctx, accountID, newUsername); 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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func (as *AccountService) ChangePassword(ctx context.Context, username, oldPassword, newPassword string) error {
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account, err := as.FindByUsername(ctx, username)
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if err != nil {
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return err
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}
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if err := bcrypt.CompareHashAndPassword([]byte(account.Password), []byte(oldPassword)); err != nil {
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return err
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}
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passwordHash, err := bcrypt.GenerateFromPassword([]byte(newPassword), bcrypt.DefaultCost)
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if err != nil {
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return err
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}
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if err := as.accountRepository.ChangePassword(ctx, account.ID, string(passwordHash)); err != nil {
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return err
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}
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as.Logout(ctx, account.ID)
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return nil
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}
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func (as *AccountService) FindByID(ctx context.Context, id uint) (*Account, error) {
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if account, err := as.accountRepository.FindByID(ctx, id); err != nil {
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return nil, err
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} else {
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return account, nil
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}
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}
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func (as *AccountService) FindByUsername(ctx context.Context, username string) (*Account, error) {
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if account, err := as.accountRepository.FindByUsername(ctx, username); err != nil {
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return nil, err
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} else {
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return account, nil
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}
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}
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func (as *AccountService) Login(ctx context.Context, username, password string) (string, error) {
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account, err := as.FindByUsername(ctx, username)
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if err != nil {
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return "", err
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}
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if err := bcrypt.CompareHashAndPassword([]byte(account.Password), []byte(password)); err != nil {
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return "", err
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}
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// generate token
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token, err := auth.GenerateToken(account.ID, account.Username)
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if err != nil {
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return "", err
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}
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if err := as.accountRepository.Login(ctx, account.ID, token); err != nil {
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return "", err
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}
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return token, nil
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}
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func (as *AccountService) Logout(ctx context.Context, accountID uint) error {
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account, err := as.FindByID(ctx, accountID)
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if err != nil {
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return err
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}
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if account.Token == "" {
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return errors.New("account already logged out")
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}
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return as.accountRepository.Logout(ctx, account.ID)
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}
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