Implement discovery controller

Author: matteosuppo

app/contexts.go

@@ -0,0 +1,81 @@
+package design
+
+import (
+	. "github.com/goadesign/goa/design"
+	. "github.com/goadesign/goa/design/apidsl"
+)
+
+var _ = Resource("discover_v1", func() {
+	BasePath("/v1/discover")
+
+	Action("list", func() {
+		Description("Returns a list of devices connected to the PC")
+		Routing(GET(""))
+		Response(OK, DiscoverV1)
+	})
+})
+
+var DiscoverV1 = MediaType("application/vnd.arduino.agent.discover+json", func() {
+	Attributes(func() {
+		Attribute("serial", CollectionOf(DiscoverSerialV1), "A list of devices connected through the serial port")
+		Attribute("network", CollectionOf(DiscoverNetworkV1), "A list of devices connected through the network")
+	})
+
+	Required("serial", "network")
+
+	View("default", func() {
+		Attribute("serial")
+		Attribute("network")
+	})
+})
+
+var DiscoverSerialV1 = MediaType("application/vnd.arduino.agent.discover.serial+json", func() {
+	Attributes(func() {
+		Attribute("vid", String, "Vendor ID", func() {
+			Example("0x2341")
+		})
+		Attribute("pid", String, "Vendor ID", func() {
+			Example("0x8036")
+		})
+		Attribute("serial", String, "The Serial Number")
+		Attribute("port", String, "The port through which it's connected", func() {
+			Example("/dev/ttyACM0")
+		})
+	})
+
+	Required("vid", "pid", "port")
+
+	View("default", func() {
+		Attribute("vid")
+		Attribute("pid")
+		Attribute("port")
+		Attribute("serial")
+	})
+
+})
+
+var DiscoverNetworkV1 = MediaType("application/vnd.arduino.agent.discover.network+json", func() {
+	Attributes(func() {
+		Attribute("address", String, "IP Address", func() {
+			Example("192.168.1.107")
+		})
+		Attribute("port", Integer, "IP Port", func() {
+			Example(80)
+		})
+		Attribute("info", String, "Informations about the device", func() {
+			Example(`board=Arduino Y\195\186n Shield distro_version=0.1`)
+		})
+		Attribute("name", String, "The friendly name given to the device", func() {
+			Example("MyShield")
+		})
+	})
+
+	Required("address", "port", "info", "name")
+
+	View("default", func() {
+		Attribute("address")
+		Attribute("port")
+		Attribute("info")
+		Attribute("name")
+	})
+})