// Checks to see if the user is logged in by looking at the sessionID stored on the request cookie
func isUserInSession(req *http.Request) (bool, *User) {
sessionIdCookie, err := req.Cookie(SESSION_ID)
var user User
if err != nil {
log.Println("Error reading SESSIONID:" + err.Error())
return false, &user
}
// Retrieve the item from memcache
memcache.Retrieve(sessionIdCookie.Value, req, &user)
if user.Email != "" {
return true, &user
}
return false, &user
}
// Get's user's information from memcache, if it does not exists, it will look into datastore.
func GetUserWithEmail(email string, req *http.Request) datastore.User {
// Getting the data from memcache
var u datastore.User
err := memcache.Retrieve(email, req, &u)
if err != nil {
log.Println("Cannot get the user from memcache", err)
// Getting the user from datastore
u, err = datastore.Retrieve(req, datastore.KIND_USER, email)
if err == nil {
// Trying to store the data into memcache
err := memcache.Store(email, u, req)
log.LogErrorWithMsg("Cannot store the data retreived from datastore into memcache", err)
} else {
log.LogErrorWithMsg("Cannot retreive the data from datastore", err)
}
}
return u
}