/
beego_session.go
109 lines (91 loc) · 3.2 KB
/
beego_session.go
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package beego_session
import (
"context"
"encoding/json"
"fmt"
"net/http"
"net/http/httptest"
beego_session "github.com/astaxie/beego/session"
"github.com/qor/qor/utils"
"github.com/qor/session"
)
var writer utils.ContextKey = "gorilla_writer"
// New initialize session manager for BeegoSession
func New(engine *beego_session.Manager) *BeegoSession {
return &BeegoSession{Manager: engine}
}
// BeegoSession session manager struct for BeegoSession
type BeegoSession struct {
*beego_session.Manager
}
func (beegosession BeegoSession) getSession(w http.ResponseWriter, req *http.Request) (beego_session.Store, error) {
return beegosession.Manager.SessionStart(w, req)
}
// Add value to session data, if value is not string, will marshal it into JSON encoding and save it into session data.
func (beegosession BeegoSession) Add(w http.ResponseWriter, req *http.Request, key string, value interface{}) error {
sess, _ := beegosession.getSession(w, req)
defer sess.SessionRelease(w)
if str, ok := value.(string); ok {
return sess.Set(key, str)
}
result, _ := json.Marshal(value)
return sess.Set(key, string(result))
}
// Pop value from session data
func (beegosession BeegoSession) Pop(w http.ResponseWriter, req *http.Request, key string) string {
sess, _ := beegosession.getSession(w, req)
defer sess.SessionRelease(w)
result := sess.Get(key)
sess.Delete(key)
if result != nil {
return fmt.Sprint(result)
}
return ""
}
// Get value from session data
func (beegosession BeegoSession) Get(req *http.Request, key string) string {
sess, _ := beegosession.getSession(httptest.NewRecorder(), req)
result := sess.Get(key)
if result != nil {
return fmt.Sprint(result)
}
return ""
}
// Flash add flash message to session data
func (beegosession BeegoSession) Flash(w http.ResponseWriter, req *http.Request, message session.Message) error {
var messages []session.Message
if err := beegosession.Load(req, "_flashes", &messages); err != nil {
return err
}
messages = append(messages, message)
return beegosession.Add(w, req, "_flashes", messages)
}
// Flashes returns a slice of flash messages from session data
func (beegosession BeegoSession) Flashes(w http.ResponseWriter, req *http.Request) []session.Message {
var messages []session.Message
beegosession.PopLoad(w, req, "_flashes", &messages)
return messages
}
// Load get value from session data and unmarshal it into result
func (beegosession BeegoSession) Load(req *http.Request, key string, result interface{}) error {
value := beegosession.Get(req, key)
if value != "" {
return json.Unmarshal([]byte(value), result)
}
return nil
}
// PopLoad pop value from session data and unmarshal it into result
func (beegosession BeegoSession) PopLoad(w http.ResponseWriter, req *http.Request, key string, result interface{}) error {
value := beegosession.Pop(w, req, key)
if value != "" {
return json.Unmarshal([]byte(value), result)
}
return nil
}
// Middleware returns a new session manager middleware instance
func (beegosession BeegoSession) Middleware(handler http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
ctx := context.WithValue(req.Context(), writer, w)
handler.ServeHTTP(w, req.WithContext(ctx))
})
}