From e8ee0c9d57247f03eae76e79bfa34e586ca5072f Mon Sep 17 00:00:00 2001
From: Adrian Zankich <adrian@hybridgroup.com>
Date: Sat, 23 Nov 2013 10:36:08 -0800
Subject: [PATCH] Initial GETs for api

---
 api.go                    | 25 +++++++++++++++++++++++++
 connection.go             |  2 +-
 device.go                 |  2 +-
 driver.go                 |  2 +-
 examples/sphero_api.go    | 38 ++++++++++++++++++++++++++++++++++++++
 examples/sphero_master.go |  2 +-
 robot.go                  | 12 ++++++++----
 utils.go                  |  6 ++++++
 8 files changed, 81 insertions(+), 8 deletions(-)
 create mode 100644 api.go
 create mode 100644 examples/sphero_api.go

diff --git a/api.go b/api.go
new file mode 100644
index 00000000..b4a37421
--- /dev/null
+++ b/api.go
@@ -0,0 +1,25 @@
+package gobot
+
+import "github.com/codegangsta/martini"
+
+func Api(bot *Gobot) {
+	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/devices", func(params martini.Params) string {
+		return toJson(bot.FindRobot(params["robotname"]).GetDevices())
+	})
+
+	m.Get("/robots/:robotname/devices/:devicename", func(params martini.Params) string {
+		return toJson(bot.FindRobotDevice(params["robotname"], params["devicename"]))
+	})
+
+	go m.Run()
+}
diff --git a/connection.go b/connection.go
index eaaad42b..8f9b3380 100644
--- a/connection.go
+++ b/connection.go
@@ -9,7 +9,7 @@ type Connection struct {
 	Name    string
 	Adaptor interface{}
 	Port    string
-	Robot   *Robot
+	Robot   *Robot `json:"-"`
 	Params  map[string]string
 }
 
diff --git a/device.go b/device.go
index 6c0babbe..6b268ac5 100644
--- a/device.go
+++ b/device.go
@@ -8,7 +8,7 @@ import (
 type Device struct {
 	Name     string
 	Interval string
-	Robot    *Robot
+	Robot    *Robot `json:"-"`
 	Driver   interface{}
 	Params   map[string]string
 }
diff --git a/driver.go b/driver.go
index 4ab5039a..aca82e67 100644
--- a/driver.go
+++ b/driver.go
@@ -7,7 +7,7 @@ type Driver struct {
 	Pin      string
 	Name     string
 	Params   map[string]string
-	Events   map[string]chan interface{}
+	Events   map[string]chan interface{} `json:"-"`
 }
 
 func NewDriver(d Driver) Driver {
diff --git a/examples/sphero_api.go b/examples/sphero_api.go
new file mode 100644
index 00000000..7faaf3fd
--- /dev/null
+++ b/examples/sphero_api.go
@@ -0,0 +1,38 @@
+package main
+
+import (
+  "github.com/hybridgroup/gobot"
+  "github.com/hybridgroup/gobot-sphero"
+)
+
+func main() {
+  bot := gobot.NewGobot()
+  gobot.Api(bot)
+
+  spheros := map[string]string{
+    "Sphero-BPO": "127.0.0.1:4560",
+  }
+
+  for name, port := range spheros {
+    spheroAdaptor := new(gobotSphero.SpheroAdaptor)
+    spheroAdaptor.Name = "sphero"
+    spheroAdaptor.Port = port
+
+    sphero := gobotSphero.NewSphero(spheroAdaptor)
+    sphero.Name = "sphero"
+    sphero.Interval = "0.5s"
+
+    work := func(){
+      sphero.SetRGB(uint8(255), uint8(0), uint8(0))
+    }
+
+    bot.Robots = append(bot.Robots, gobot.Robot {
+      Name: name, 
+      Connections: []interface{} { spheroAdaptor }, 
+      Devices: []interface{} { sphero }, 
+      Work: work,
+    })
+  }
+
+  bot.Start()
+}
diff --git a/examples/sphero_master.go b/examples/sphero_master.go
index 160d6c95..df8882d3 100644
--- a/examples/sphero_master.go
+++ b/examples/sphero_master.go
@@ -37,7 +37,7 @@ func main() {
     Work: func(){
       sphero := bot.FindRobot("Sphero-BPO")
       gobot.Every("1s", func () {
-        gobot.Call(sphero.Device("sphero").Driver, "SetRGB", uint8(gobot.Rand(255)), uint8(gobot.Rand(255)), uint8(gobot.Rand(255)))
+        gobot.Call(sphero.GetDevice("sphero").Driver, "SetRGB", uint8(gobot.Rand(255)), uint8(gobot.Rand(255)), uint8(gobot.Rand(255)))
       })
     },
   })
diff --git a/robot.go b/robot.go
index 1650f62c..97e16674 100644
--- a/robot.go
+++ b/robot.go
@@ -11,9 +11,9 @@ type Robot struct {
 	Connections []interface{}
 	Devices     []interface{}
 	Name        string
-	Work        func()
-	connections []*Connection
-	devices     []*Device
+	Work        func()        `json:"-"`
+	connections []*Connection `json:"-"`
+	devices     []*Device     `json:"-"`
 }
 
 func (r *Robot) Start() {
@@ -66,7 +66,11 @@ func (r *Robot) startDevices() {
 	}
 }
 
-func (r *Robot) Device(name string) *Device {
+func (r *Robot) GetDevices() []*Device {
+	return r.devices
+}
+
+func (r *Robot) GetDevice(name string) *Device {
 	for i := range r.devices {
 		if r.devices[i].Name == name {
 			return r.devices[i]
diff --git a/utils.go b/utils.go
index 6953e4d9..f251d418 100644
--- a/utils.go
+++ b/utils.go
@@ -1,6 +1,7 @@
 package gobot
 
 import (
+	"encoding/json"
 	"math/rand"
 	"net"
 	"reflect"
@@ -61,3 +62,8 @@ func Call(thing interface{}, method string, params ...interface{}) (result []ref
 	result = reflect.ValueOf(thing).MethodByName(method).Call(in)
 	return
 }
+
+func toJson(obj interface{}) string {
+	b, _ := json.Marshal(obj)
+	return string(b)
+}