Golang Context.JSON方法代碼示例

func singleQuery(c *echo.Context) error {
	world := World{}
	if err := randomRow().Scan(&world.Id, &world.RandomNumber); err != nil {
		log.Fatalf("Error scanning world row: %s", err.Error())
	}
	return c.JSON(http.StatusOK, world)
}

func List(c *echo.Context) error {

	user := c.Get("user").(*users.User)

	winUser, err := user.WindowsCredentials()
	if err != nil {
		return err
	}

	sessionList, err := sessions.GetAll(winUser.Sam)

	if err != nil {
		log.Error(err)
		return utils.JSON(c, http.StatusInternalServerError, hash{
			"error": [1]hash{
				hash{
					"detail": err.Error(),
				},
			},
		})
	}

	var response = make([]hash, len(sessionList))
	for i, val := range sessionList {
		res := hash{
			"id":         val.Id,
			"type":       "session",
			"attributes": val,
		}
		response[i] = res
	}

	return c.JSON(http.StatusOK, hash{"data": response})
}

func GetUser(c *echo.Context) error {
	userId := c.Param("id")
	if userId == "" {
		return c.JSON(http.StatusBadRequest, hash{
			"error": [1]hash{
				hash{
					"detail": "User id needed to retrieve account informations",
				},
			},
		})
	}

	user, err := users.GetUser(userId)
	if err != nil {
		return err
	}

	if user == nil {
		return c.JSON(http.StatusNotFound, hash{
			"error": [1]hash{
				hash{
					"detail": "User Not Found",
				},
			},
		})
	}

	return utils.JSON(c, http.StatusOK, user)
}

func getGroups(ctx *echo.Context) error {
	list, err := allGroups(dbFromContext(ctx))
	if err != nil {
		return err
	}
	return ctx.JSON(200, list)
}

func addBook(c *echo.Context) error {
	var b Book
	b.Author = nil

	err := c.Bind(&b)
	if err != nil {
		log.Fatal(err)
		return err
	}

	if b.Author == nil {
		var m Message
		m.Error = "Author can not be empty."
		c.JSON(203, m)
		return ErrAuthorEmpty
	}

	err = c.JSON(201, b)
	if err != nil {
		log.Fatal(err)
		return err
	}

	fmt.Println("Added ", b.Title)
	saveBook(b)
	return nil
}

func (s *ApiServer) ChangeMasterStatus(c echo.Context) error {
	args := struct {
		Opt  string `json:"opt"`
		Node string `json:"node"`
		Addr string `json:"addr"`
	}{}

	err := c.Bind(&args)
	if err != nil {
		return err
	}

	args.Opt = strings.ToLower(args.Opt)
	if args.Opt != "up" && args.Opt != "down" {
		return errors.New("opt only can be up or down")
	}
	if args.Opt == "down" {
		err = s.proxy.DownMaster(args.Node, args.Addr)
	} else {
		err = s.proxy.UpMaster(args.Node, args.Addr)
	}
	if err != nil {
		return err
	}
	return c.JSON(http.StatusOK, "ok")
}

//get nodes status
func (s *ApiServer) GetNodesStatus(c echo.Context) error {
	var masterStatus, slaveStatus DBStatus

	dbStatus := make([]DBStatus, 0, 1)
	nodes := s.proxy.GetAllNodes()

	for nodeName, node := range nodes {
		//get master status
		masterStatus.Node = nodeName
		masterStatus.Address = node.Master.Addr()
		masterStatus.Type = "master"
		masterStatus.Status = node.Master.State()
		masterStatus.LastPing = fmt.Sprintf("%v", time.Unix(node.Master.GetLastPing(), 0))
		masterStatus.MaxConn = node.Cfg.MaxConnNum
		masterStatus.IdleConn = node.Master.IdleConnCount()
		dbStatus = append(dbStatus, masterStatus)

		//get slaves status
		for _, slave := range node.Slave {
			slaveStatus.Node = nodeName
			slaveStatus.Address = slave.Addr()
			slaveStatus.Type = "slave"
			slaveStatus.Status = slave.State()
			slaveStatus.LastPing = fmt.Sprintf("%v", time.Unix(slave.GetLastPing(), 0))
			slaveStatus.MaxConn = node.Cfg.MaxConnNum
			slaveStatus.IdleConn = slave.IdleConnCount()
			dbStatus = append(dbStatus, slaveStatus)
		}
	}
	return c.JSON(http.StatusOK, dbStatus)
}

// errorHandler will catch all errors returned from handlers and convert them
// into a JSON response. If the error is not from the type HTTPError an internal
// server error will follow.
func errorHandler(err error, c *echo.Context) {
	if httpError, ok := err.(handler.HTTPError); ok {
		c.JSON(httpError.Code, httpError)
		return
	}
	c.Error(errors.New("internal server error"))
}

func (b *Broker) UndoTaskCount(c *echo.Context) error {
	count, err := b.GetUndoTaskCount()
	if err != nil {
		return c.JSON(http.StatusForbidden, err.Error())
	}
	return c.JSON(http.StatusOK, count)
}

func ListRunningVM(c *echo.Context) error {
	response, err := GetList()
	if err != nil {
		log.Error("Unable to retrieve VM states list")
		return c.JSON(http.StatusInternalServerError, hash{
			"error": [1]hash{
				hash{
					"detail": "Unable te retrieve states of VMs: " + err.Error(),
				},
			},
		})
	}

	vmList := CheckVMStates(response)
	var res = make([]hash, len(vmList))
	for i, val := range vmList {
		r := hash{
			"id":         val.Name,
			"type":       "vm",
			"attributes": val,
		}
		res[i] = r
	}
	return c.JSON(http.StatusOK, hash{"data": res})
}

// ApiNextTaskHandler implements method for getting next task from the queue
func (h *handler) ApiNextTaskHandler(c *echo.Context) error {

	enc := json.NewDecoder(c.Request().Body)

	var taskReq common.TaskRequest
	if err := enc.Decode(&taskReq); err != nil {
		c.Request().Body.Close()
		return echo.NewHTTPError(http.StatusBadRequest, "Wrong JSON. Expected gobench.common.TaskRequest")
	}

	c.Request().Body.Close()

	// checks existing test environment by authKey received by client
	ok, err := h.back.Model.TestEnvironment.Exist(taskReq.AuthKey)
	if err != nil {
		return echo.NewHTTPError(http.StatusInternalServerError)
	}

	if !ok {
		return echo.NewHTTPError(http.StatusBadRequest, "Wrong authKey!")
	}

	// retrives single task
	taskRow, err := h.back.Model.Task.Next(taskReq.AuthKey)
	if err != nil {
		if err == model.ErrNotFound {
			return echo.NewHTTPError(http.StatusNoContent)
		}
		return echo.NewHTTPError(http.StatusInternalServerError, err.Error())
	}

	task := common.TaskResponse{Id: taskRow.Id.Hex(), PackageName: taskRow.PackageName, Type: []string{"benchmark"}}

	return c.JSON(http.StatusOK, task)
}

func ProjectGetAll(ctx *echo.Context) error {
	interactor := ctx.Get("ProjectInteractor").(*usecases.ProjectInteractor)

	result := interactor.List()

	return ctx.JSON(http.StatusOK, result)
}

func (app *App) putValues(ctx *echo.Context) (err error) {
	key := ctx.Param("key")
	value, err := readBody(ctx.Request())
	if err != nil {
		return err
	}

	app.Lock()
	entry, ok := app.store[key]
	if !ok {
		entry = newEntry()
		entry.Lock()
		app.store[key] = entry
	} else {
		entry.Lock()
	}
	app.Unlock()

	entry.value = value
	entry.lockID = generateID(32)
	app.cond.Broadcast()
	entry.Unlock()

	response := map[string]interface{}{}
	response["lock_id"] = entry.lockID
	ctx.JSON(200, response)
	return
}

func IndexCampaign(c *echo.Context) error {
	// GET /campaign
	// returns JSON Array of Campaigns

	// Get User id from JWT Token

	userid := 5

	rows, err := db.Query("SELECT * FROM campaigns WHERE userid = $1", userid)

	if err != nil {
		log.Fatal(err)
	}

	defer rows.Close()

	var campaigns Campaigns

	for rows.Next() {
		var campaign Campaign
		err := rows.Scan(&campaign.Id, &campaign.UserId, &campaign.Name)
		if err != nil {
			log.Fatal(err)
		}

		campaigns = append(campaigns, campaign)
	}

	return c.JSON(http.StatusOK, campaigns)
}

func GetDownloadToken(c *echo.Context) error {
	filename := c.Query("filename")
	if len(filename) == 0 {
		return c.JSON(
			http.StatusBadRequest,
			hash{
				"error": "filename not specified",
			},
		)
	}

	accessToken, fail := oauth2.GetAccessToken(c.Request())
	if fail != nil {
		return oauthError(c, fail)
	}

	user := c.Get("user").(*users.User)
	token, err := createDownloadToken(user, accessToken, filename)
	if err != nil {
		return err
	}
	return c.JSON(
		http.StatusOK,
		hash{
			"token": token,
		},
	)
}