photoprism/internal/session/store.go

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package session
import (
"fmt"
gc "github.com/patrickmn/go-cache"
)
func (s *Session) Create(data Data) string {
id := NewID()
s.cache.Set(id, data, gc.DefaultExpiration)
log.Debugf("session: created")
if err := s.Save(); err != nil {
log.Errorf("session: %s (create)", err)
}
return id
}
func (s *Session) Update(id string, data Data) error {
if id == "" {
return fmt.Errorf("session: empty id")
}
if _, found := s.cache.Get(id); !found {
return fmt.Errorf("session: %s not found (update)", id)
}
s.cache.Set(id, data, gc.DefaultExpiration)
log.Debugf("session: updated")
if err := s.Save(); err != nil {
return fmt.Errorf("session: %s (update)", err.Error())
}
return nil
}
func (s *Session) Delete(id string) {
s.cache.Delete(id)
log.Debugf("session: deleted")
if err := s.Save(); err != nil {
log.Errorf("session: %s (delete)", err)
}
}
func (s *Session) Get(id string) Data {
if id == "" {
return Data{}
}
if hit, ok := s.cache.Get(id); ok {
return hit.(Data)
}
return Data{}
}
func (s *Session) Exists(id string) bool {
_, found := s.cache.Get(id)
return found
}