func CreateGoal(enc encoder.Encoder, goal Goal) (int, []byte) {
goalId, err := uuid.NewV4()
if err != nil {
return 500, encoder.Must(enc.Encode(""))
}
goal.Id = goalId.String()
if goal.TargetType == "user" {
user, ok := users[goal.Target]
if !ok {
return 400, encoder.Must(enc.Encode("Target does not exist"))
}
user.Goals[goal.Id] = &goal
} else if goal.TargetType == "team" {
team, ok := teams[goal.Target]
if !ok {
return 400, encoder.Must(enc.Encode("Target does not exist"))
}
team.Goals[goal.Id] = &goal
} else {
return 400, encoder.Must(enc.Encode("Unknown target type"))
}
goals[goal.Id] = &goal
return 201, encoder.Must(enc.Encode(goal.Id))
}
func GetUsers(dataStore DataStore, enc encoder.Encoder) (int, []byte) {
users, err := dataStore.GetAllUsers()
if err != nil {
return http.StatusNoContent, encoder.Must(enc.Encode(NewError(ErrInternal, "Can't get users try again later")))
}
return http.StatusOK, encoder.Must(enc.Encode(users))
}
func GetGoal(enc encoder.Encoder, params martini.Params) (int, []byte) {
goal, ok := goals[params["id"]]
if ok {
return 200, encoder.Must(enc.Encode(goal))
}
return 404, encoder.Must(enc.Encode())
}
func GetMac(res http.ResponseWriter, req *http.Request, enc encoder.Encoder) (int, []byte) {
ip := strings.Split(req.RemoteAddr, ":")[0]
mac, err := GetMacAddress("/proc/net/arp", ip)
if err != nil {
return http.StatusNotFound, encoder.Must(enc.Encode(NewError(ErrMacNotFound, err.Error())))
}
return http.StatusOK, encoder.Must(enc.Encode(map[string]string{"mac": mac}))
}
func GetServer(enc encoder.Encoder, db database.DB, parms martini.Params) (int, []byte) {
fmt.Printf("begin get server\n")
id, err := strconv.ParseInt(parms["id"], 10, 64)
al := db.Get(id)
if err != nil || al == nil {
msg := fmt.Sprintf("the album with id %s does not exist", parms["id"])
return http.StatusNotFound, encoder.Must(enc.Encode(
NewError{errcode: 404, errmsg: msg}))
}
return http.StatusOK, encoder.Must(enc.Encode(al))
}
func FindServer(enc encoder.Encoder, db database.DB, r *http.Request) (int, []byte) {
fmt.Printf("begin find server\n")
params := r.URL.Query()
roomId, err := strconv.ParseInt(params.Get("room_id"), 10, 64)
al := db.Find(roomId)
if err != nil || al == nil {
msg := fmt.Sprintf("server witch room_id %s does not exist", params.Get("id"))
return http.StatusNotFound, encoder.Must(enc.Encode(
NewError{errcode: 404, errmsg: msg}))
}
return http.StatusOK, encoder.Must(enc.Encode(al))
}
func GetUser(dataStore DataStore, enc encoder.Encoder, params martini.Params) (int, []byte) {
id, err := strconv.Atoi(params["id"])
if err != nil {
return http.StatusNotFound, encoder.Must(enc.Encode(NewError(ErrInternal, "Invalid id")))
}
user, dbErr := dataStore.GetUser(id)
if dbErr != nil {
return http.StatusNotFound, encoder.Must(enc.Encode(NewError(ErrUserNotFound, dbErr.Error())))
}
return http.StatusOK, encoder.Must(enc.Encode(user))
}
func main() {
api := &api.API{
ApiKey: "122cc483be92bd806b696e7d458596ac",
DataCacheRenewalInterval: 15,
}
api.Setup()
go api.CyclicCacheRenewal()
m := martini.Classic()
m.Map(api)
m.Use(cors.Allow(&cors.Options{
AllowAllOrigins: true,
AllowCredentials: true,
}))
m.Use(func(c martini.Context, w http.ResponseWriter) {
c.MapTo(encoder.JsonEncoder{}, (*encoder.Encoder)(nil))
w.Header().Set("Content-Type", "application/json; charset=utf-8")
})
m.Get("/photos/:name", func(params martini.Params,
enc encoder.Encoder) (int, []byte) {
name, ok := params["name"]
if ok {
photos, _ := api.GetPhotosForUser(name)
return http.StatusOK, encoder.Must(enc.Encode(photos))
}
return 404, []byte("Not Found")
})
m.Run()
}
func FetchStatus(s *Status, ms *mgo.Session, enc encoder.Encoder, r *http.Request) (int, []byte) {
s.Log["MongoDB"] = NewLog(true, "")
if err := ms.Ping(); err != nil {
s.Log["MongoDB"] = NewLog(false, err.Error())
}
return http.StatusOK, encoder.Must(enc.Encode(s))
}
func CompleteGoal(enc encoder.Encoder, params martini.Params, jsonParams GoalCompleteParams) (int, []byte) {
goal, ok := goals[params["id"]]
if !ok {
return 404, encoder.Must(enc.Encode())
}
if _, ok := users[jsonParams.UserId]; !ok {
return 400, encoder.Must(enc.Encode("User does not exist"))
}
goal.NumberOfCompletions--
if goal.NumberOfCompletions > 0 {
goal.State = "progress"
return 200, encoder.Must(enc.Encode(goal.State)) //what should be returned here?
}
goal.State = "completed"
return 200, encoder.Must(enc.Encode(goal.Reward))
}
func CreatePreset(
params martini.Params, w http.ResponseWriter,
r *http.Request, enc encoder.Encoder) (int, []byte) {
bytes, err := ioutil.ReadAll(r.Body)
if err != nil {
return http.StatusBadRequest,
encoder.Must(enc.Encode(&Error{err.Error()}))
}
preset := &Preset{}
err = json.Unmarshal(bytes, &preset)
if err != nil {
return http.StatusBadRequest,
encoder.Must(enc.Encode(&Error{err.Error()}))
}
presets.Add(preset)
w.Header().Set("Content-Type", "application/json; charset=utf-8")
return http.StatusCreated, encoder.Must(enc.Encode(preset))
}
func NewEncoder(opts ...Options) martini.Handler {
return func(c martini.Context, w http.ResponseWriter) {
wrappedWriter := newWrappedResponseWriter(w)
c.MapTo(wrappedWriter, (*http.ResponseWriter)(nil))
c.MapTo(encoder.JsonEncoder{PrettyPrint: true}, (*encoder.Encoder)(nil))
var rtnHandler martini.ReturnHandler
rtnHandler = func(ctx martini.Context, vals []reflect.Value) {
rv := ctx.Get(inject.InterfaceOf((*http.ResponseWriter)(nil)))
res := rv.Interface().(http.ResponseWriter)
var responseVal reflect.Value
if len(vals) > 1 && vals[0].Kind() == reflect.Int {
res.WriteHeader(int(vals[0].Int()))
responseVal = vals[1]
} else if len(vals) > 0 {
responseVal = vals[0]
}
if isNil(responseVal) {
wrappedRes := res.(*wrappedResponseWriter)
code := wrappedRes.statusCode
if code == 0 {
panic(errors.New("No return code set for error"))
}
responseVal = reflect.ValueOf(errorResponse{Error: code, Message: http.StatusText(code)})
}
if canDeref(responseVal) {
responseVal = responseVal.Elem()
}
if isByteSlice(responseVal) {
res.Write(responseVal.Bytes())
} else if isStruct(responseVal) || isStructSlice(responseVal) {
encv := ctx.Get(inject.InterfaceOf((*encoder.Encoder)(nil)))
enc := encv.Interface().(encoder.Encoder)
res.Header().Set("Content-Type", "application/json; charset=utf-8")
buf := bytes.NewBuffer(encoder.Must(enc.Encode(responseVal.Interface())))
if len(opts) > 0 {
if opts[0].Html {
val := buf.Bytes()
buf.Reset()
json.HTMLEscape(buf, val)
}
if opts[0].Indent {
val := buf.Bytes()
buf.Reset()
json.Indent(buf, val, "", "\t")
}
}
res.Write(buf.Bytes())
} else {
res.Write([]byte(responseVal.String()))
}
}
c.Map(rtnHandler)
}
}
func listLocations(enc encoder.Encoder, r *http.Request, db *mgo.Database) (int, []byte) {
var locations []Location
c := db.C("locations")
err := c.Find(nil).All(&locations)
if err != nil {
return http.StatusInternalServerError, []byte("Impossible to retrieve the locations: " + err.Error())
}
return http.StatusOK, encoder.Must(enc.Encode(locations))
}
func main() {
// 使用crawldata包里面的Crawl()抓取需要的数据存到数据库
// crawldata.Crawl()
m := martini.New()
route := martini.NewRouter()
var (
results Results
err error
)
m.Use(func(c martini.Context, w http.ResponseWriter, r *http.Request) {
// 将 encoder.JsonEncoder{} 按照 encoder.Encoder 接口（注意大小写）类型注入到内部
c.MapTo(encoder.JsonEncoder{}, (*encoder.Encoder)(nil))
w.Header().Set("Content-Type", "application/json; charset=utf-8")
})
route.Get("/", func(enc encoder.Encoder) (int, []byte) {
result := Results{10001, "Not Found Data", nil}
return http.StatusOK, encoder.Must(enc.Encode(result))
})
route.Get("/api", func(enc encoder.Encoder) (int, []byte) {
results.Datas, err = crawldata.GetAllImages()
if err != nil {
fmt.Println(s.Join([]string{"获取数据失败", err.Error()}, "-->"))
result := Results{10001, "Data Error", nil}
return http.StatusOK, encoder.Must(enc.Encode(result))
} else {
results.Err = 10000
results.Msg = "获取数据成功"
return http.StatusOK, encoder.Must(enc.Encode(results))
}
})
m.Action(route.Handle)
m.Run()
}
func getLocation(params martini.Params, enc encoder.Encoder, db *mgo.Database) (int, []byte) {
var location Location
if !bson.IsObjectIdHex(params["id"]) {
return http.StatusNotFound, []byte("Location with id \"" + params["id"] + "\" not found")
}
c := db.C("locations")
err := c.FindId(bson.ObjectIdHex(params["id"])).One(&location)
if err != nil {
return http.StatusNotFound, []byte("Location with id \"" + params["id"] + "\" not found")
}
return http.StatusOK, encoder.Must(enc.Encode(location))
}
// Satisfies the Source interface and starts listening to the specified port
func (s *Http) Listen(wg sync.WaitGroup) {
s.Log.Info("Start listening (http:%s:%d)", s.BindIp, s.Port)
m := martini.New()
route := martini.NewRouter()
m.Use(func(c martini.Context, w http.ResponseWriter, r *http.Request) {
// Use indentations. &pretty=1
pretty, _ := strconv.ParseBool(r.FormValue("pretty"))
// Use null instead of empty object for json &null=1
null, _ := strconv.ParseBool(r.FormValue("null"))
// Some content negotiation
switch r.Header.Get("Accept") {
case "application/xml":
c.MapTo(encoder.XmlEncoder{PrettyPrint: pretty}, (*encoder.Encoder)(nil))
w.Header().Set("Content-Type", "application/xml; charset=utf-8")
default:
c.MapTo(encoder.JsonEncoder{PrettyPrint: pretty, PrintNull: null}, (*encoder.Encoder)(nil))
w.Header().Set("Content-Type", "application/json; charset=utf-8")
}
})
route.Post("/event", func(enc encoder.Encoder, w http.ResponseWriter, r *http.Request) (int, []byte) {
defer r.Body.Close()
body, err := ioutil.ReadAll(r.Body)
if err != nil {
return http.StatusInternalServerError, []byte{}
}
result := s.processRaw(string(body))
return http.StatusOK, encoder.Must(enc.Encode(result))
})
m.Action(route.Handle)
port := fmt.Sprintf("%s:%d", s.BindIp, s.Port)
if err := http.ListenAndServe(port, m); err != nil {
s.Log.Error(err.Error())
}
wg.Done()
}
func main() {
runtime.GOMAXPROCS(runtime.NumCPU())
pool := newPool(":6379")
defer pool.Close()
db := newDB(pool)
defer db.Close()
m := martini.New()
m.Map(db)
m.Use(func(c martini.Context, w http.ResponseWriter) {
c.MapTo(encoder.JsonEncoder{}, (*encoder.Encoder)(nil))
w.Header().Set("Content-Type", "application/json; charset=utf-8")
})
r := martini.NewRouter()
r.Post("/users", binding.Bind(User{}), func(db *DB, u User) (int, string) {
if err := db.SaveUser(&u); err != nil {
return http.StatusInternalServerError, err.Error()
}
return http.StatusCreated, "OK"
})
r.Get("/users/:id", func(db *DB, params martini.Params, enc encoder.Encoder) (int, []byte) {
str := params["id"]
id, err := strconv.Atoi(str)
if err != nil {
return http.StatusBadRequest, []byte{}
}
u, err := db.LoadUser(id)
if err != nil {
return http.StatusNotFound, []byte{}
}
return http.StatusOK, encoder.Must(enc.Encode(u))
})
m.Action(r.Handle)
m.Run()
}
func createLocation(newLocation NewLocationForm, enc encoder.Encoder, db *mgo.Database) (int, []byte) {
// transform the form struct into a real Location
location := Location{
ID: bson.NewObjectId(),
Coordinates: Coordinates{
Lat: newLocation.Lat,
Long: newLocation.Long,
},
Name: newLocation.Name,
Description: newLocation.Description,
Visited: newLocation.Visited,
CreatedAt: time.Now(),
}
// and try to insert it
c := db.C("locations")
err := c.Insert(&location)
if err != nil {
return http.StatusInternalServerError, []byte("Impossible to insert the location: " + err.Error())
}
return http.StatusCreated, encoder.Must(enc.Encode(location))
}
func GetTeams(enc encoder.Encoder) (int, []byte) {
return 200, encoder.Must(enc.Encode(teams))
}
func GetUsers(enc encoder.Encoder) (int, []byte) {
return 200, encoder.Must(enc.Encode(users))
}
func CreateTeam(enc encoder.Encoder, team Team) (int, []byte) {
team.Users = make(map[string]string)
team.Goals = make(map[string]*Goal)
teams[team.Id] = &team
return 201, encoder.Must(enc.Encode(team.Id))
}
func CreateUser(enc encoder.Encoder, user User) (int, []byte) {
user.Teams = make(map[string]string)
user.Goals = make(map[string]*Goal)
users[user.Id] = &user
return 201, encoder.Must(enc.Encode(user.Id))
}
func GetPreset(enc encoder.Encoder, w http.ResponseWriter) (int, []byte) {
w.Header().Set("Content-Type", "application/json; charset=utf-8")
return http.StatusOK, encoder.Must(enc.Encode(&presets))
}
func init() {
m = martini.New()
// Setup middleware
m.Use(martini.Recovery())
m.Use(martini.Logger())
m.Use(martini.Static("public"))
// Setup encoder
m.Use(func(c martini.Context, w http.ResponseWriter) {
c.MapTo(encoder.JsonEncoder{}, (*encoder.Encoder)(nil))
w.Header().Set("Content-Type", "application/json; charset=utf-8")
})
// Setup and inject event broker
b = NewBroker()
m.Map(b)
// Setup routes
r := martini.NewRouter()
r.Get("/", func(w http.ResponseWriter, r *http.Request) {
files, _ := filepath.Glob("dashboards/*.gerb")
for _, file := range files {
dashboard := file[11 : len(file)-5]
if dashboard != "layout" {
http.Redirect(w, r, "/"+dashboard, http.StatusTemporaryRedirect)
return
}
}
http.NotFound(w, r)
return
})
r.Get("/events", func(w http.ResponseWriter, r *http.Request, e encoder.Encoder, b *Broker) {
f, ok := w.(http.Flusher)
if !ok {
http.Error(w, "Streaming unsupported!", http.StatusInternalServerError)
return
}
c, ok := w.(http.CloseNotifier)
if !ok {
http.Error(w, "Close notification unsupported!", http.StatusInternalServerError)
return
}
// Create a new channel, over which the broker can
// send this client events.
events := make(chan *Event)
// Add this client to the map of those that should
// receive updates
b.newClients <- events
// Remove this client from the map of attached clients
// when the handler exits.
defer func() {
b.defunctClients <- events
}()
w.Header().Set("Content-Type", "text/event-stream")
w.Header().Set("Cache-Control", "no-cache")
w.Header().Set("Connection", "keep-alive")
w.Header().Set("X-Accel-Buffering", "no")
closer := c.CloseNotify()
for {
select {
case event := <-events:
data := event.Body
data["id"] = event.ID
data["updatedAt"] = int32(time.Now().Unix())
if event.Target != "" {
fmt.Fprintf(w, "event: %s\n", event.Target)
}
fmt.Fprintf(w, "data: %s\n\n", encoder.Must(e.Encode(data)))
f.Flush()
case <-closer:
log.Println("Closing connection")
return
}
}
})
r.Get("/:dashboard", func(r *http.Request, w http.ResponseWriter, params martini.Params) {
template, err := gerb.ParseFile(true, "dashboards/"+params["dashboard"]+".gerb", "dashboards/layout.gerb")
if err != nil {
http.NotFound(w, r)
return
}
w.Header().Set("Content-Type", "text/html; charset=UTF-8")
template.Render(w, map[string]interface{}{
"dashboard": params["dashboard"],
"development": os.Getenv("DEV") != "",
"request": r,
})
return
})
r.Post("/dashboards/:id", func(r *http.Request, params martini.Params, b *Broker) (int, string) {
if r.Body != nil {
defer r.Body.Close()
}
var data map[string]interface{}
if err := json.NewDecoder(r.Body).Decode(&data); err != nil {
return 400, ""
}
b.events <- &Event{params["id"], data, "dashboards"}
return 204, ""
})
r.Post("/widgets/:id", func(r *http.Request, params martini.Params, b *Broker) (int, string) {
if r.Body != nil {
defer r.Body.Close()
}
var data map[string]interface{}
if err := json.NewDecoder(r.Body).Decode(&data); err != nil {
return 400, ""
}
b.events <- &Event{params["id"], data, ""}
return 204, ""
})
r.Get("/views/:widget.html", func(w http.ResponseWriter, r *http.Request, params martini.Params) {
template, err := gerb.ParseFile(true, "widgets/"+params["widget"]+"/"+params["widget"]+".html")
if err != nil {
http.NotFound(w, r)
return
}
w.Header().Set("Content-Type", "text/html; charset=UTF-8")
template.Render(w, nil)
return
})
// Add the router action
m.Action(r.Handle)
}
func (this *Response) Error(message interface{}) (int, []byte) {
enc := encoder.JsonEncoder{}
return 400, encoder.Must(enc.Encode(map[string]interface{}{
"message": message,
}))
}
func main() {
// TODO move to own handler
// create a global App var to hold your app id and secret.
globalApp := fb.New(os.Getenv("FACEBOOK_APP_ID"), os.Getenv("FACEBOOK_SECRET"))
globalApp.RedirectUri = "http://localhost:3000/auth/facebook/callback" // TODO
// https://developers.facebook.com/docs/graph-api/securing-requests
globalApp.EnableAppsecretProof = true
// instantiate Martini
m := martini.Classic()
m.Use(martini.Logger())
// setup database
dbmap = initDb()
defer dbmap.Db.Close()
// CORS
m.Use(cors.Allow(&cors.Options{
AllowOrigins: []string{"http://localhost:*"},
AllowMethods: []string{"GET", "POST"},
AllowHeaders: []string{"Origin", "Authorization", "Content-Type"},
ExposeHeaders: []string{"Content-Length"},
AllowCredentials: true,
}))
// Authentication
m.Use(func(c martini.Context, res http.ResponseWriter, req *http.Request) {
accessToken := req.Header.Get("Authorization") // TODO expect "Bearer: {TOKEN}" format?
session := globalApp.Session(accessToken)
// TODO DELETE ME
log.Printf("accessToken=%s", accessToken)
// TODO make currentUser globally available
// TODO add User struct and use res.Decode(&user)
var user *User
attrs, err := session.Get("/me", nil)
if err != nil {
// err can be an facebook API error.
// if so, the Error struct contains error details.
if e, ok := err.(*fb.Error); ok {
log.Printf("Facebook error. [message:%v] [type:%v] [code:%v] [subcode:%v]", e.Message, e.Type, e.Code, e.ErrorSubcode)
}
res.WriteHeader(http.StatusUnauthorized)
} else {
user = findOrCreateUser(attrs)
c.Map(user)
}
if user != nil {
log.Printf("Logged in as: %s %s", user.FirstName, user.LastName)
}
})
// Encoding
m.Use(func(c martini.Context, w http.ResponseWriter, r *http.Request) {
// Use indentations. &pretty=1
pretty, _ := strconv.ParseBool(r.FormValue("pretty"))
// Use null instead of empty object for json &null=1
null, _ := strconv.ParseBool(r.FormValue("null"))
// JSON no matter what
c.MapTo(encoder.JsonEncoder{PrettyPrint: pretty, PrintNull: null}, (*encoder.Encoder)(nil))
w.Header().Set("Content-Type", "application/json; charset=utf-8")
})
m.Get("/", func(user *User) string {
// serve SPA ?
return "Hello world" + user.FirstName
})
m.Get("/tells", func(enc encoder.Encoder, user *User) (int, []byte) {
// get all tells for user and render JSON array
tells := user.getTells()
return http.StatusOK, encoder.Must(enc.Encode(tells))
})
m.Post("/tells", binding.Bind(Tell{}), func(enc encoder.Encoder, user *User, tell Tell) (int, []byte) {
// create new tell for user
tell = user.Tell(tell)
return http.StatusOK, encoder.Must(enc.Encode(tell))
})
m.Run()
}
func (this *Response) Error(message interface{}) (int, []byte) {
fmt.Println(message)
enc := encoder.JsonEncoder{}
return 400, encoder.Must(enc.Encode(message))
}
func GetTeam(enc encoder.Encoder, params martini.Params) (int, []byte) {
if team, ok := teams[params["id"]]; ok {
return 200, encoder.Must(enc.Encode(team))
}
return 404, encoder.Must(enc.Encode())
}
func GetUserGoals(enc encoder.Encoder, params martini.Params) (int, []byte) {
if user, ok := users[params["id"]]; ok {
return 200, encoder.Must(enc.Encode(user.Goals))
}
return 404, encoder.Must(enc.Encode())
}
func (this *Response) Success(data interface{}) (int, []byte) {
enc := encoder.JsonEncoder{}
return 200, encoder.Must(enc.Encode(data))
}
