68 lines
1.3 KiB
Go
68 lines
1.3 KiB
Go
package session
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import (
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"encoding/json"
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"fmt"
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"io/ioutil"
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gc "github.com/patrickmn/go-cache"
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)
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func (s *Session) Create(data interface{}) string {
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token := Token()
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s.cache.Set(token, data, gc.DefaultExpiration)
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log.Debugf("session: created")
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if err := s.Save(); err != nil {
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log.Errorf("session: %s (create)", err)
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}
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return token
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}
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func (s *Session) Update(token string, data interface{}) error {
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if _, found := s.cache.Get(token); !found {
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return fmt.Errorf("session: %s not found (update)", token)
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}
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s.cache.Set(token, data, gc.DefaultExpiration)
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log.Debugf("session: updated")
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if err := s.Save(); err != nil {
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return fmt.Errorf("session: %s (update)", err.Error())
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}
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return nil
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}
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func (s *Session) Delete(token string) {
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s.cache.Delete(token)
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log.Debugf("session: deleted")
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if err := s.Save(); err != nil {
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log.Errorf("session: %s (delete)", err)
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}
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}
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func (s *Session) Get(token string) (data interface{}, exists bool) {
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return s.cache.Get(token)
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}
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func (s *Session) Exists(token string) bool {
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_, found := s.cache.Get(token)
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return found
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}
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func (s *Session) Save() error {
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if s.cacheFile == "" {
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return nil
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} else if serialized, err := json.MarshalIndent(s.cache.Items(), "", " "); err != nil {
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return err
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} else if err = ioutil.WriteFile(s.cacheFile, serialized, 0600); 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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