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sign_in.go
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sign_in.go
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package character
import (
"strconv"
validation "github.com/go-ozzo/ozzo-validation"
"github.com/go-ozzo/ozzo-validation/is"
"github.com/kaikourok/lunchtote-backend/entity/validator"
usecaseErrors "github.com/kaikourok/lunchtote-backend/usecase/errors"
"golang.org/x/crypto/bcrypt"
)
func (s *CharacterUsecase) SignIn(key string, password string) (id int, notificationToken string, isAdministrator bool, err error) {
logger := s.registry.GetLogger()
repository := s.registry.GetRepository()
if keyInt, err := strconv.Atoi(key); err == nil {
// ログインキーがID形式だった場合
id = keyInt
} else if err := validation.Validate(&key, validation.Required, is.Email); err == nil {
// ログインキーがメールアドレス形式だった場合
id, err = repository.ExchangeEmailToId(key)
if err != nil {
logger.Error(err)
return 0, "", false, err
}
} else {
// ログインキーの形式がユーザーIDの可能性があるとき
id, err = repository.ExchangeUsernameToId(key)
if err != nil {
logger.Error(err)
return 0, "", false, err
}
}
err = validation.Validate(password, validator.IsPassword)
if err != nil {
return 0, "", false, usecaseErrors.ErrValidate
}
savedPassword, notificationToken, isAdministrator, err := repository.RetrieveCredentials(id)
if err != nil {
return 0, "", false, err
}
err = bcrypt.CompareHashAndPassword([]byte(savedPassword), []byte(password))
if err != nil {
return 0, "", false, err
}
return id, notificationToken, isAdministrator, nil
}