func loadUser(c appengine.Context, user *user.User) (*storage.User, error) {
if u, err := storage.UserByID(c, storage.UserID(user.ID)); err != nil {
return nil, err
} else if u == nil {
// New user
newUser := storage.User{
ID: user.ID,
EmailAddress: user.Email,
}
if err := newUser.Save(c); err != nil {
return nil, err
}
return &newUser, nil
} else {
return u, nil
}
}
func (handler htmlRequestHandler) handleRequest(pfc *PFContext) {
w := pfc.W
aeUser := user.Current(pfc.C)
if handler.LoginRequired && aeUser == nil {
w.Header().Set("Location", pfc.LoginURL)
w.WriteHeader(http.StatusFound)
return
} else if aeUser != nil {
pfc.UserID = storage.UserID(aeUser.ID)
if user, err := loadUser(pfc.C, aeUser); err != nil {
pfc.C.Errorf("Error loading user: %s", err)
http.Error(w, "Unexpected error", http.StatusInternalServerError)
return
} else {
pfc.User = user
}
}
handler.RouteHandler(pfc)
}
func (handler taskRequestHandler) handleRequest(pfc *PFContext) {
if userID := pfc.R.PostFormValue("userID"); userID != "" {
pfc.UserID = storage.UserID(userID)
if channelID := pfc.R.PostFormValue("channelID"); channelID != "" {
pfc.ChannelID = channelID
}
if user, err := storage.UserByID(pfc.C, pfc.UserID); err != nil {
pfc.C.Errorf("Error loading user: %s", err)
http.Error(pfc.W, "Unexpected error", http.StatusInternalServerError)
return
} else {
pfc.User = user
}
}
var response interface{}
taskMessage, err := handler.RouteHandler(pfc)
if err != nil {
pfc.C.Errorf("Task failed: %s", err.Error())
http.Error(pfc.W, err.Error(), http.StatusInternalServerError)
response = map[string]string{"error": err.Error()}
} else {
response = taskMessage
}
if !taskMessage.Silent {
if channelID := pfc.R.PostFormValue("channelID"); channelID != "" {
if err := channel.SendJSON(pfc.C, channelID, response); err != nil {
pfc.C.Criticalf("Error writing to channel: %s", err)
}
} else {
pfc.C.Warningf("Channel ID is empty!")
}
}
}
func (handler jsonRequestHandler) handleRequest(pfc *PFContext) {
w := pfc.W
c := pfc.C
aeUser := user.Current(pfc.C)
if handler.LoginRequired && aeUser == nil {
jsonObj := map[string]string{"errorMessage": _l("Please sign in")}
bf, _ := json.Marshal(jsonObj)
w.Header().Set("Content-type", "application/json; charset=utf-8")
http.Error(w, string(bf), 401)
return
} else if aeUser != nil {
pfc.UserID = storage.UserID(aeUser.ID)
if !handler.NoFormPreparse {
if clientID := pfc.R.PostFormValue("client"); clientID != "" {
pfc.ChannelID = aeUser.ID + "," + clientID
}
}
if user, err := loadUser(pfc.C, aeUser); err != nil {
c.Errorf("Error loading user: %s", err)
http.Error(w, "Unexpected error", http.StatusInternalServerError)
return
} else {
pfc.User = user
}
}
if returnValue, err := handler.RouteHandler(pfc); err == nil {
var jsonObj interface{}
if message, ok := returnValue.(string); ok {
jsonObj = map[string]string{"message": message}
} else {
jsonObj = returnValue
}
bf, _ := json.Marshal(jsonObj)
w.Header().Set("Content-type", "application/json; charset=utf-8")
w.Write(bf)
} else {
message := _l("An unexpected error has occurred")
httpCode := http.StatusInternalServerError
c.Errorf("Error: %s", err)
if readableError, ok := err.(ReadableError); ok {
message = err.Error()
httpCode = readableError.httpCode
if readableError.err != nil {
c.Errorf("Source: %s", *readableError.err)
}
}
jsonObj := map[string]string{"errorMessage": message}
bf, _ := json.Marshal(jsonObj)
w.Header().Set("Content-type", "application/json; charset=utf-8")
http.Error(w, string(bf), httpCode)
}
}
