hybridgroup.gobot/api.go

105 lines
3.8 KiB
Go

package gobot
import (
"encoding/json"
"github.com/codegangsta/martini"
"net/http"
"reflect"
)
type api struct{}
func Api(bot *Master) {
a := new(api)
m := martini.Classic()
m.Get("/robots", func() string {
return toJson(bot.Robots)
})
m.Get("/robots/:robotname", func(params martini.Params) string {
return toJson(bot.FindRobot(params["robotname"]))
})
m.Get("/robots/:robotname/commands", func(params martini.Params) string {
return toJson(bot.FindRobot(params["robotname"]).RobotCommands)
})
robot_command_route := "/robots/:robotname/commands/:command"
m.Get(robot_command_route, func(params martini.Params, res http.ResponseWriter, req *http.Request) string {
decoder := json.NewDecoder(req.Body)
var body map[string]interface{}
decoder.Decode(&body)
if len(body) == 0 {
body = map[string]interface{}{}
}
body["robotname"] = params["robotname"]
return a.executeRobotCommand(bot, params, body)
})
m.Get("/robots/:robotname/devices", func(params martini.Params) string {
return toJson(bot.FindRobot(params["robotname"]).GetDevices())
})
type jsonDevice struct {
Name string `json:"name"`
Driver string `json:"driver"`
Connection map[string]interface{} `json:"connection"`
Commands []string `json:"commands"`
}
m.Get("/robots/:robotname/devices/:devicename", func(params martini.Params) string {
device := bot.FindRobotDevice(params["robotname"], params["devicename"])
jsonDevice := new(jsonDevice)
jsonDevice.Name = device.Name
jsonDevice.Driver = FieldByNamePtr(device.Driver, "Name").Interface().(string)
jsonDevice.Connection = make(map[string]interface{})
jsonDevice.Connection["name"] = FieldByNamePtr(FieldByNamePtr(device.Driver, "Adaptor").Interface().(AdaptorInterface), "Name").Interface().(string)
jsonDevice.Connection["port"] = FieldByNamePtr(FieldByNamePtr(device.Driver, "Adaptor").Interface().(AdaptorInterface), "Port").Interface().(string)
jsonDevice.Connection["adaptor"] = FieldByNamePtr(FieldByNamePtr(device.Driver, "Adaptor").Interface().(AdaptorInterface), "Name").Interface().(string)
jsonDevice.Commands = FieldByNamePtr(device.Driver, "Commands").Interface().([]string)
return toJson(jsonDevice)
})
m.Get("/robots/:robotname/devices/:devicename/commands", func(params martini.Params) string {
return toJson(bot.FindRobotDevice(params["robotname"], params["devicename"]).Commands())
})
command_route := "/robots/:robotname/devices/:devicename/commands/:command"
m.Get(command_route, func(params martini.Params, res http.ResponseWriter, req *http.Request) string {
return a.executeCommand(bot, params, res, req)
})
m.Post(command_route, func(params martini.Params, res http.ResponseWriter, req *http.Request) string {
return a.executeCommand(bot, params, res, req)
})
go m.Run()
}
func (a *api) executeCommand(bot *Master, params martini.Params, res http.ResponseWriter, req *http.Request) string {
decoder := json.NewDecoder(req.Body)
var body map[string]interface{}
decoder.Decode(&body)
robot := bot.FindRobotDevice(params["robotname"], params["devicename"])
commands := robot.Commands().([]string)
for command := range commands {
if commands[command] == params["command"] {
ret := Call(robot.Driver, params["command"], body)
return toJson(map[string]interface{}{"results": ret})
}
}
return toJson(map[string]interface{}{"results": "Unknown Command"})
}
func (a *api) executeRobotCommand(bot *Master, m_params martini.Params, params ...interface{}) string {
robot := bot.FindRobot(m_params["robotname"])
in := make([]reflect.Value, len(params))
for k, param := range params {
in[k] = reflect.ValueOf(param)
}
ret := reflect.ValueOf(robot.Commands[m_params["command"]]).Call(in)
return toJson(map[string]interface{}{"results": ret[0].Interface()})
}