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package db
import (
"bytes"
"encoding/json"
"errors"
"github.com/bosssauce/ponzu/system/admin/user"
"github.com/boltdb/bolt"
)
// ErrUserExists is used for the db to report to admin user of existing user
var ErrUserExists = errors.New("Error. User exists.")
// SetUser sets key:value pairs in the db for user settings
func SetUser(usr *user.User) (int, error) {
err := store.Update(func(tx *bolt.Tx) error {
email := []byte(usr.Email)
users := tx.Bucket([]byte("_users"))
// check if user is found by email, fail if nil
exists := users.Get(email)
if exists != nil {
return ErrUserExists
}
// get NextSequence int64 and set it as the User.ID
id, err := users.NextSequence()
if err != nil {
return err
}
usr.ID = int(id)
// marshal User to json and put into bucket
j, err := json.Marshal(usr)
if err != nil {
return err
}
err = users.Put([]byte(usr.Email), j)
if err != nil {
return err
}
return nil
})
if err != nil {
return 0, err
}
return usr.ID, nil
}
// User gets the user by email from the db
func User(email string) ([]byte, error) {
val := &bytes.Buffer{}
err := store.View(func(tx *bolt.Tx) error {
b := tx.Bucket([]byte("_users"))
usr := b.Get([]byte(email))
_, err := val.Write(usr)
if err != nil {
return err
}
return nil
})
if err != nil {
return nil, err
}
return val.Bytes(), nil
}
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