105 lines
2.7 KiB
Go
105 lines
2.7 KiB
Go
package main
|
|
|
|
import (
|
|
"crypto/rand"
|
|
"encoding/json"
|
|
"time"
|
|
)
|
|
|
|
type Session struct {
|
|
Id []byte `json:"id"`
|
|
IdUser *int64 `json:"login"`
|
|
Time time.Time `json:"time"`
|
|
changed bool
|
|
Values map[string]interface{} `json:"values"`
|
|
}
|
|
|
|
func getSession(id []byte) (s *Session, err error) {
|
|
s = new(Session)
|
|
var val string
|
|
err = DBQueryRow("SELECT id_session, id_user, time, val FROM user_sessions WHERE id_session=?", id).Scan(&s.Id, &s.IdUser, &s.Time, &val)
|
|
|
|
err = json.Unmarshal([]byte(val), &s.Values)
|
|
return
|
|
}
|
|
|
|
func NewSession() (*Session, error) {
|
|
session_id := make([]byte, 255)
|
|
if _, err := rand.Read(session_id); err != nil {
|
|
return nil, err
|
|
} else if _, err := DBExec("INSERT INTO user_sessions (id_session, time, val) VALUES (?, ?, '{}')", session_id, time.Now()); err != nil {
|
|
return nil, err
|
|
} else {
|
|
return &Session{session_id, nil, time.Now(), false, map[string]interface{}{}}, nil
|
|
}
|
|
}
|
|
|
|
func (user *User) NewSession() (*Session, error) {
|
|
session_id := make([]byte, 255)
|
|
if _, err := rand.Read(session_id); err != nil {
|
|
return nil, err
|
|
} else if _, err := DBExec("INSERT INTO user_sessions (id_session, id_user, time, val) VALUES (?, ?, ?, '{}')", session_id, user.Id, time.Now()); err != nil {
|
|
return nil, err
|
|
} else {
|
|
return &Session{session_id, &user.Id, time.Now(), false, map[string]interface{}{}}, nil
|
|
}
|
|
}
|
|
|
|
func (s *Session) SetUser(user *User) (*Session, error) {
|
|
s.IdUser = &user.Id
|
|
_, err := s.Update()
|
|
s.changed = false
|
|
return s, err
|
|
}
|
|
|
|
func (s *Session) GetKey(key string) (v interface{}, ok bool) {
|
|
v, ok = s.Values[key]
|
|
return
|
|
}
|
|
|
|
func (s *Session) DeleteKey(key string) {
|
|
delete(s.Values, key)
|
|
s.changed = true
|
|
}
|
|
|
|
func (s *Session) SetKey(key string, val interface{}) {
|
|
s.Values[key] = val
|
|
s.changed = true
|
|
}
|
|
|
|
func (s *Session) HasChanged() bool {
|
|
return s.changed
|
|
}
|
|
|
|
func (s *Session) Update() (int64, error) {
|
|
if val, err := json.Marshal(s.Values); err != nil {
|
|
return 0, err
|
|
} else if res, err := DBExec("UPDATE user_sessions SET id_user = ?, time = ?, val = ? WHERE id_session = ?", s.IdUser, s.Time, string(val), s.Id); err != nil {
|
|
return 0, err
|
|
} else if nb, err := res.RowsAffected(); err != nil {
|
|
return 0, err
|
|
} else {
|
|
return nb, err
|
|
}
|
|
}
|
|
|
|
func (s Session) Delete() (int64, error) {
|
|
if res, err := DBExec("DELETE FROM user_sessions WHERE id_session = ?", s.Id); err != nil {
|
|
return 0, err
|
|
} else if nb, err := res.RowsAffected(); err != nil {
|
|
return 0, err
|
|
} else {
|
|
return nb, err
|
|
}
|
|
}
|
|
|
|
func ClearSession() (int64, error) {
|
|
if res, err := DBExec("DELETE FROM user_sessions"); err != nil {
|
|
return 0, err
|
|
} else if nb, err := res.RowsAffected(); err != nil {
|
|
return 0, err
|
|
} else {
|
|
return nb, err
|
|
}
|
|
}
|