happy/user/user_factory.go

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package user
import (
"fmt"
"github.com/speps/go-hashids"
"code.chrissexton.org/cws/happy/db"
"github.com/rs/zerolog/log"
)
// lol
type UserFactory struct {
db *db.Database
salt string
h *hashids.HashID
}
func NewFactory(db *db.Database, salt string, h *hashids.HashID) *UserFactory {
return &UserFactory{
db: db,
salt: salt,
h: h,
}
}
func (uf *UserFactory) NewUser() (User, error) {
uid := New(uf.db, uf.salt, uf.h)
q := `insert into users (verification,dateCreated) values (?, ?)`
res, err := uf.db.Exec(q, uid.Verification, uid.DateCreated)
if err != nil {
return uid, err
}
id, err := res.LastInsertId()
if err != nil {
return uid, err
}
uid.ID = id
return uid, nil
}
func (uf *UserFactory) FromStr(uid, verification string) (User, error) {
id := New(uf.db, uf.salt, uf.h)
if uid == "" || verification == "" {
return id, fmt.Errorf("user ID and verification not given.")
}
idInt, err := uf.h.DecodeInt64WithError(uid)
if err != nil {
return id, err
}
q := `select id,email,verification,datecreated,lastlogin from users where id=?`
if err := uf.db.Get(&id, q, idInt[0]); err != nil {
log.Error().
Err(err).
Msg("unable to select")
return id, err
}
verify, err := uf.h.EncodeInt64([]int64{id.Verification})
if err != nil {
log.Error().
Err(err).
Str("verify", verify).
Str("id.Verification", verification).
Msg("unable to encode")
return id, err
}
if verify != verification {
log.Debug().
Str("verify", verify).
Str("id.Verification", verification).
Msg("verification mismatch")
return id, fmt.Errorf("Invalid verification token")
}
return id, nil
}