func publish(c appengine.Context, roomId string, email string, message string) error {
room := newRoom()
_, err := memcache.JSON.Get(c, roomId, room)
if err != nil {
return err
}
errs := make([]error, 0, len(room.Users))
for user, _ := range room.Users {
if user == email {
continue
}
if message == "" {
channel.SendJSON(c, user+roomId, command{"join", email, message})
} else {
channel.SendJSON(c, user+roomId, command{"msg", email, message})
}
}
if len(errs) > 0 {
return errors.New("Publishing message failed!")
}
return nil
}
func submitWord(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
tableKey := r.FormValue("g")
user := r.FormValue("u")
word := r.FormValue("word")
points, _ := strconv.Atoi(r.FormValue("points"))
hasWord := false
totalPoints := 0
gameChanger := func(g *MyGame) bool {
// In our current model, users can only submit valid words since their
// clients have the solutions.
hasWord = g.HasWord(word)
if g.HasWord(word) {
return false
}
totalPoints = g.AddWord(user, word, points) // user found a word congrats, store it.
return true
}
g := ChangeGame(c, tableKey, gameChanger)
if hasWord {
wordUpdate := &WordUpdate{
User: user,
Word: word,
TotalPoints: -1,
}
resp := &Resp{
Action: "wordUpdate",
Payload: wordUpdate,
}
myToken := r.FormValue("t")
channel.SendJSON(c, myToken, resp)
return
}
wordUpdate := &WordUpdate{
User: user,
Word: word,
TotalPoints: totalPoints,
}
resp := &Resp{
Action: "wordUpdate",
Payload: wordUpdate,
}
// Send table information to everyone in the room about what the result
// was.
for _, token := range g.GetUserTokens() {
err := channel.SendJSON(c, token, resp)
if err != nil {
c.Errorf("Err with sendTables response: %v", err)
}
}
}
// What to do when a user leaves (send a notification to everyone and
// reset the game if everyone left the table).
func leaving(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
cid := ClientId{
clientId: r.FormValue("from"),
}
c.Infof("Client id leaving: %v", cid.clientId)
tableKey := cid.table()
c.Infof("User %v has left table %v.", cid.user(), tableKey)
gameChanger := func(g *MyGame) bool {
g.RemoveUser(cid.user())
if len(g.Users) == 0 {
c.Infof("There are no more users left in this game. Deleting game.")
g.Clear() // Clear the game when everyone has left.
}
return true
}
g := ChangeGame(c, tableKey, gameChanger) // Just need to read the game.
resp := &Resp{
Action: "join",
Payload: g,
}
c.Infof("Notifying these tokens that a user left: %v", g.GetUserTokens())
// Let everyone know that they joined the game!
for _, token := range g.GetUserTokens() {
err := channel.SendJSON(c, token, resp)
if err != nil {
c.Errorf("sending Start game updates: %v", err)
}
}
}
// Reset the state of the game and let all users know about that.
func gameOver(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
tableKey := r.FormValue("g")
justEnded := false
gameChanger := func(g *MyGame) bool {
justEnded = g.HadState("justEnded")
if justEnded {
return false
}
g.Clear()
g.AddState("justEnded")
return true
}
g := ChangeGame(c, tableKey, gameChanger)
if justEnded {
return
}
resp := &Resp{
Action: "gameEnded",
Payload: g,
}
// Send update to people letting them know the game is over.
for _, token := range g.GetUserTokens() {
err := channel.SendJSON(c, token, resp)
if err != nil {
c.Errorf("Err with gameOver response: %v", err)
}
}
}
func client_callback(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
itsStatus, _ := strconv.Atob(r.FormValue("Status"))
msg := MSG{itsStatus, r.FormValue("Nickname"), r.FormValue("Message")}
for _, value := range map_clients {
channel.SendJSON(c, value, msg)
}
}
func sendResponseToChannel(w http.ResponseWriter, message string, r *http.Request, uuid string) {
c := appengine.NewContext(r)
err := channel.SendJSON(c, uuid, message)
c.Infof("json")
if err != nil {
c.Errorf("sending Game: %v", err)
}
}
func RenderPost(blog_config map[string]interface{}) func(w http.ResponseWriter, req *http.Request) {
l := func(w http.ResponseWriter, req *http.Request) {
appcontext := appengine.NewContext(req)
err := req.ParseMultipartForm(1024 * 1024)
if err != nil {
appcontext.Errorf("sending markdown payload: %v", err)
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
dataFile, _, err := req.FormFile("data")
if err != nil {
http.Error(w, "did not specify data as a param", http.StatusBadRequest)
return
}
data, err := ioutil.ReadAll(dataFile)
if err != nil {
appcontext.Errorf("ioutil.ReadAll(): %v", err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
if len(data) < 1 {
appcontext.Errorf("len(data): %v", len(data))
http.Error(w, "did not specify data as a param", http.StatusBadRequest)
return
}
key := req.FormValue("g")
if key == "" {
http.Error(w, "did not specify a key!", http.StatusBadRequest)
return
}
var decoded interface{}
err = json.Unmarshal(data, &decoded)
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
q := decoded.(map[string]interface{})
str, ok := q["data"]
if !ok {
http.Error(w, "error: must supply JSON with 'data' specified!", http.StatusBadRequest)
return
}
con := map[string]interface{}{"markdown": bytes.NewBuffer(blackfriday.MarkdownCommon(bytes.NewBufferString(fmt.Sprintf("%v", str)).Bytes())).String()}
err = channel.SendJSON(appcontext, key, con)
if err != nil {
appcontext.Errorf("sending markdown payload: %v", err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
}
return l
}
// 発言時の処理
// Javascriptのクライアントから
// /submit?chatkey=(chatkey)[&msg=(msg)] というクエリでリクエストがくる
// msgの内容をデータストアに保存し、発言内容リストをchannelを経由して
// 部屋にいるすべてのJavascriptクライアントにSendJSONする
func submit(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
u := user.Current(c)
tkey := r.FormValue("chatkey")
// 発言内容をデータストアに保存する
stm := Message{
Date: time.Now(),
Name: u.String(),
Content: r.FormValue("msg"),
}
log.Printf("tkey: %v, msg: %v\n", tkey, stm.Content)
// データストアへ発言内容をPut
stmkey := datastore.NewIncompleteKey(c, "message", tinychatKey(c, tkey))
_, err := datastore.Put(c, stmkey, &stm)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
// データストアから現在の部屋にいるユーザ全員を取得する
q := datastore.NewQuery("Member").Ancestor(memberKey(c, tkey))
members := make([]Member, 0, 20)
if _, err := q.GetAll(c, &members); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
log.Printf("member: %v\n", members)
// 発言内容を20件取得
q = datastore.NewQuery("message").Ancestor(tinychatKey(c, tkey)).Order("-Date").Limit(20)
messages := make([]Message, 0, 20)
if _, err := q.GetAll(c, &messages); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
// すべてのユーザに対してSendJSONする
d := Display{
Token: "",
Me: u.ID,
Chat_key: tkey,
Messages: messages,
}
for _, member := range members {
err := channel.SendJSON(c, member.ID+tkey, d)
if err != nil {
c.Errorf("sending data: %v", err)
}
}
//log.Printf("hello")
}
func rendezVous(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
id := r.FormValue("from")
if waiting.Len() == 0 {
waiting.PushBack(id)
channel.SendJSON(c, id, map[string]int{"t": WAITING_PARTNER})
c.Infof("User %v added to the waiting list", id)
} else {
opponent := waiting.Front()
opponentId, _ := opponent.Value.(string)
waiting.Remove(opponent)
channel.SendJSON(c, opponentId, map[string]int{"t": FOUND_PARTNER, "p": 0})
channel.SendJSON(c, id, map[string]int{"t": FOUND_PARTNER, "p": 1})
pairs[opponentId] = id
pairs[id] = opponentId
c.Infof("Matching user %v with %v", id, opponentId)
}
}
func messageHandler(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
c := appengine.NewContext(r)
if r.Method != "POST" {
c.Errorf("messageHandler did not expect %s", r.Method)
http.Error(w, "Method not allowed.", http.StatusInternalServerError)
return
}
var patchSet map[string]interface{}
defer r.Body.Close()
if err := json.NewDecoder(r.Body).Decode(&patchSet); err != nil {
c.Errorf("json.NewDecoder: %s", err)
http.Error(w, "Error decoding json.", http.StatusInternalServerError)
return
}
code := patchSet["key"].(string)
repo := repository.NewRepo(c)
candidate, interviewer, err := repo.GetSession(code)
if err != nil {
c.Errorf("repo.GetSession: %v", err)
http.Redirect(w, r, "/", 301)
return
}
if code == interviewer {
err := channel.SendJSON(c, candidate, patchSet)
if err != nil {
c.Errorf("channel.SendJSON, problem sending: %s.", err)
http.Error(w, "Error decoding json.", http.StatusInternalServerError)
}
} else {
err := channel.SendJSON(c, interviewer, patchSet)
if err != nil {
c.Errorf("channel.SendJSON, problem sending: %s.", err)
http.Error(w, "Error decoding json.", http.StatusInternalServerError)
}
}
}
func move(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
id := r.FormValue("id")
y, _ := strconv.Atoi(r.FormValue("y"))
direction, _ := strconv.Atoi(r.FormValue("d"))
c.Infof("Seding move msg from %v to %v", id, pairs[id])
err := channel.SendJSON(c, pairs[id], map[string]int{"t": PARTNER_MOVED, "y": y, "d": direction})
if err != nil {
c.Errorf("%v", err)
}
}
func startGame(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
c.Infof("Got a message from a client that they want to start a game.")
// Need to keep track of all users associated with the games, then
// we must broadcast an update to all of them.
tableKey := r.FormValue("g")
isStarted := false
g := defaultGame()
err := datastore.RunInTransaction(c, func(c appengine.Context) error {
k := datastore.NewKey(c, "WrGame", tableKey, 0, nil)
if err := datastore.Get(c, k, g); err != nil {
return err
}
isStarted = g.HadState("justStarted")
if isStarted {
return nil
}
g.AddState("justStarted") // Set to true when a user first starts the game.
if _, err := datastore.Put(c, k, g); err != nil {
return err
}
return nil
}, nil)
if err != nil {
c.Errorf("Error in start game db call. %v", err)
return
}
if isStarted {
// Do nothing if the game is already started.
// TODO(dlluncor): Update the user's UI that the game is already started.
c.Infof("Game has already started!!!")
return
}
resp := &Resp{
Action: "startGame",
Payload: "start",
}
c.Infof("Tokens: %v", g.Tokens)
for _, token := range g.GetUserTokens() {
err := channel.SendJSON(c, token, resp)
if err != nil {
c.Errorf("sending Start game updates: %v", err)
}
}
return
}
func sendAll(c appengine.Context, h *hunt.Hunt, m Message) {
var listeners []Listener
_, err := datastore.NewQuery(listenerKind).Ancestor(h.Key).Filter("Open =", true).GetAll(c, &listeners)
if err != nil {
c.Errorf("Send: %v", err)
return
}
for _, listener := range listeners {
err := channel.SendJSON(c, listener.Channel, m)
if err != nil {
c.Errorf("Send(%s): %v", listener.Channel, err)
}
}
}
func disconnect(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
id := r.FormValue("from")
_, isPaired := pairs[id]
if isPaired {
partner := pairs[id]
delete(pairs, id)
delete(pairs, partner)
channel.SendJSON(c, partner, map[string]int{"t": PARTNER_LEFT})
c.Infof("Removed Pair %v,%v", id, partner)
} else {
for e := waiting.Front(); e != nil; e = e.Next() {
if e.Value == id {
waiting.Remove(e)
c.Infof("User %v removed from the waiting list", id)
return
}
}
}
}
func handle(w http.ResponseWriter, r *http.Request) {
switch r.Method {
case "GET":
Execute("get", w, nil)
case "POST":
wID := r.FormValue("ID")
wToken, err := channel.Create(appengine.NewContext(r), wID)
if err != nil {
Execute("get", w, map[string]string{"Error": err.Error()})
} else {
Execute(
"post",
w,
map[string]string{
"ID": wID,
"Token": wToken,
},
)
}
case "PUT":
ctx := appengine.NewContext(r)
keys, err := datastore.NewQuery("Channels").KeysOnly().GetAll(ctx, nil)
if err != nil {
panic(err)
}
for _, key := range keys {
if err := channel.SendJSON(
ctx,
key.StringID(),
map[string]interface{}{
"message": r.FormValue("Message"),
"ID": r.FormValue("ID"),
},
); err != nil {
panic(err)
}
}
}
}
// send data client callbacks.
func SendCallBack(c appengine.Context, clientID int64, request string, args interface{}) error {
// clientKey
clientKey := datastore.NewKey(c, "ClientInfo", "", clientID, nil)
// sent data
handler := fmt.Sprintf("on%s", request)
data := struct {
Call string `json:"call"`
Args interface{} `json:"args"`
}{
handler,
args,
}
q := datastore.NewQuery("CallBackInfo").Ancestor(clientKey).Filter("Request=", request)
// callbacks
var callbacks []CallBackInfo
keys, err := q.GetAll(c, &callbacks)
if err != nil {
c.Errorf(err.Error())
return err
}
// send
for i, callback := range callbacks {
k := keys[i]
client := callback.ClientID
c.Infof("Send to %s", client)
channel.SendJSON(c, client, data)
// remove request
err = datastore.Delete(c, k)
if err != nil {
return err
}
}
return nil
}
// When the first user starts the game and gives us tables that defines
// this entire game.
//
// Notifies all users to start their timers for round 1.
func sendTables(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
tableKey := r.FormValue("g")
// Store all tables as part of the game state and send
// a "startTimer" response.
timerStarted := false
gameChanger := func(g *MyGame) bool {
timerStarted = g.HadState("timerStarted")
if timerStarted {
return false
}
g.AddState("timerStarted")
tableStrKeys := []string{"table1", "table2", "table3", "table4"}
for _, tableStrKey := range tableStrKeys {
tableVal := r.FormValue(tableStrKey)
g.SetTable(tableStrKey, tableVal)
}
return true
}
g := ChangeGame(c, tableKey, gameChanger)
if timerStarted {
return
}
resp := &Resp{
Action: "startTimers",
Payload: "",
}
// Send an update to everyone.
for _, token := range g.GetUserTokens() {
err := channel.SendJSON(c, token, resp)
if err != nil {
c.Errorf("Err with sendTables response: %v", err)
}
}
}
func messageReceived(w http.ResponseWriter, r *http.Request) {
var clients []Client
c := appengine.NewContext(r)
message := r.FormValue("name") + ": " + r.FormValue("message")
_, err := memcache.JSON.Get(c, "sut", &clients)
if err != nil && err != memcache.ErrCacheMiss {
http.Error(w, err.String(), http.StatusInternalServerError)
return
}
if err == memcache.ErrCacheMiss {
q := datastore.NewQuery("Client")
_, err = q.GetAll(c, &clients)
if err != nil {
http.Error(w, err.String(), http.StatusInternalServerError)
return
}
err = memcache.JSON.Set(c, &memcache.Item{
Key: "sut", Object: clients,
})
if err != nil {
http.Error(w, err.String(), http.StatusInternalServerError)
return
}
}
for _, client := range clients {
channel.SendJSON(c, client.ClientID, map[string]string{
"reply_message": message,
})
}
}
// One user can request for the entire group all the information for
// a round like the words to solve and the actual puzzle.
// At this time there is 10 seconds left before the round starts.
func getRoundInfo(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
tableKey := r.FormValue("g")
round := r.FormValue("r")
isRoundFetched := false
gameChanger := func(g *MyGame) bool {
val := "roundFetched" + round
isRoundFetched = g.HadState(val)
if isRoundFetched {
return false
}
roundInt, _ := strconv.Atoi(round)
g.CreateTableInfo(roundInt)
g.AddState(val)
g.SetRoundFetched()
return true
}
g := ChangeGame(c, tableKey, gameChanger) // Just need to read the game.
if isRoundFetched {
// We can only fetch a round once...
return
}
tableInfo := g.GetTableInfo()
resp := &Resp{
Action: "aboutToStartRound",
Payload: tableInfo,
}
// Send table information to everyone in the room (need a solution
// for when someone randomly jumps into the game).
for _, token := range g.GetUserTokens() {
err := channel.SendJSON(c, token, resp)
if err != nil {
c.Errorf("Err with sendTables response: %v", err)
}
}
}
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 Save(blog_config map[string]interface{}) func(w http.ResponseWriter, req *http.Request) {
l := func(w http.ResponseWriter, req *http.Request) {
appcontext := appengine.NewContext(req)
blobs, _, err := blobstore.ParseUpload(req)
if err != nil {
appcontext.Errorf("error parsing blobstore! %v", err)
http.Error(w, "error parsing blobstore!", http.StatusBadRequest)
return
}
//key := "coolguys"
key := req.FormValue("g")
if key == "" {
http.Error(w, "did not specify a key!", http.StatusBadRequest)
return
}
send_message := func(stat string, color string) {
con := map[string]interface{}{"status": stat, "color": color}
err := channel.SendJSON(appcontext, key, con)
if err != nil {
appcontext.Errorf("sending update message: %v", err)
http.Error(w, err.Error(), http.StatusInternalServerError)
}
}
bdata, ok := blobs["data"]
if !ok {
http.Error(w, "did not specify data as a param", http.StatusBadRequest)
send_message("internal error while saving!", "#AA0000")
return
}
if len(bdata) != 1 {
appcontext.Errorf("error parsing blobstore!", err)
http.Error(w, "error parsing blobstore!", http.StatusBadRequest)
return
}
jsonkey := bdata[0].BlobKey
data, err := ioutil.ReadAll(blobstore.NewReader(appcontext, jsonkey))
if err != nil {
appcontext.Errorf("error parsing blobstore!", err)
http.Error(w, "error parsing blobstore!", http.StatusBadRequest)
return
}
if len(data) <= 0 {
http.Error(w, "did not specify data as a param", http.StatusBadRequest)
send_message("internal error while saving!", "#AA0000")
return
}
var decoded interface{}
err = json.Unmarshal(data, &decoded)
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
send_message("internal error while saving!", "#AA0000")
return
}
q := decoded.(map[string]interface{})
_, ok = q["data"].(string)
if !ok {
http.Error(w, "error: must supply JSON with 'data' specified!", http.StatusBadRequest)
send_message("internal error while saving!", "#AA0000")
return
}
title, ok := q["title"].(string)
if !ok {
http.Error(w, "error: must supply JSON with 'title' specified!", http.StatusBadRequest)
send_message("internal error while saving!", "#AA0000")
return
}
labels, ok := q["labels"].(string)
if !ok {
http.Error(w, "error: must supply JSON with 'labels' specified!", http.StatusBadRequest)
send_message("internal error while saving!", "#AA0000")
return
}
individual_labels := strings.Split(labels, ",")
real_labels := make([]string, len(individual_labels))
for i := range individual_labels {
real_labels[i] = strings.ToLower(strings.Trim(individual_labels[i], " \t"))
}
_, err = post.SavePost(appcontext, title, jsonkey, real_labels, time.Now())
if err != nil {
appcontext.Errorf("saving a post: %v", err)
http.Error(w, err.Error(), http.StatusInternalServerError)
send_message("internal error while saving!", "#AA0000")
return
}
send_message("saved", "#00AA00")
}
return l
}
func updateClients(c appengine.Context, game *m.Game) {
for _, player := range game.Players {
channel.SendJSON(c, player.PlayerId, "true")
}
}
func (m *Messages) roomEmit() {
// sends messages to every user
for _, key := range getUserList() {
channel.SendJSON(c, key, m)
}
}
func opened(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
c.Infof("Got a message from a client that they connected to a table.")
// Make sure the table is in the database here and provide the entire state
// to the user of what is going on right now.
// The user needs to know.
// users and their points.
// current puzzles associated with game.
// current words found in the puzzle.
g := defaultGame()
tableKey := r.FormValue("g")
token := r.FormValue("t")
userExists := false
err := datastore.RunInTransaction(c, func(c appengine.Context) error {
k := datastore.NewKey(c, "WrGame", tableKey, 0, nil)
if err := datastore.Get(c, k, g); err != nil {
c.Infof("We have never entered this game into the database. Should have one already!!!")
return err
}
// Now write this user to the list of connect users to this table.
user := r.FormValue("u")
userExists = g.AddUserToken(user, token)
if userExists {
c.Infof("User %v already exists, replacing their token.", user)
}
if _, err := datastore.Put(c, k, g); err != nil {
return err
}
// Update user count for lounge.
return nil
}, nil)
if !userExists {
// Update the lounge with the number of current players for this table.
// when a new player was added.
lounge := r.FormValue("l")
loungeChanger := func(l *MyLounge) bool {
// TODO(dlluncor): In the middle of something will need to resolve this later...
return true
}
ChangeLounge(c, lounge, loungeChanger)
}
if err != nil {
c.Errorf("Error in db with connect to table. %v", err)
}
g.SetNow() // Let users who jump in randomly to figure out what time it is from
// when the last round started.
resp := &Resp{
Action: "join",
Payload: g,
}
c.Infof("Notifying these tokens that a user entered: %v", g.GetUserTokens())
// Let everyone know that they joined the game!
for _, token := range g.GetUserTokens() {
err := channel.SendJSON(c, token, resp)
if err != nil {
c.Errorf("sending Start game updates: %v", err)
}
}
}
