Implement device rename command

lib/actions/device.coffee

@@ -1,3 +1,5 @@
+_ = require('lodash')
+async = require('async')
 resin = require('../resin')
 ui = require('../ui')
 permissions = require('../permissions/permissions')
@@ -48,3 +50,20 @@ exports.remove = permissions.user (params, options) ->
 exports.identify = permissions.user (params) ->
 	resin.models.device.identify params.uuid, (error) ->
 		resin.errors.handle(error) if error?
+
+# TODO: This action doesn't return any error
+# if trying to rename a device that does not
+# exists. This is being fixed server side.
+exports.rename = permissions.user (params) ->
+	async.waterfall [
+
+		(callback) ->
+			if params.name? and not _.isEmpty(params.name)
+				return callback(null, params.name)
+			ui.widgets.ask('How do you want to name this device?', callback)
+
+		(name, callback) ->
+			resin.models.device.rename(params.id, name, callback)
+
+	], (error) ->
+		resin.errors.handle(error) if error?

lib/app.coffee

@@ -195,6 +195,20 @@ capitano.command
 	'''
 	action: actions.device.list
 
+capitano.command
+	signature: 'device rename <id> [name]'
+	description: 'rename a resin device'
+	help: '''
+		Use this command to rename a device.
+
+		If you omit the name, you'll get asked for it interactively.
+
+		Examples:
+			$ resin device rename 317 MyPi
+			$ resin device rename 317
+	'''
+	action: actions.device.rename
+
 capitano.command
 	signature: 'device <id>'
 	description: 'list a single device'

lib/resin/models/device.coffee

@@ -116,3 +116,27 @@ exports.remove = (id, callback) ->
 #
 exports.identify = (uuid, callback) ->
 	server.post(settings.get('urls.identify'), { uuid }, _.unary(callback))
+
+# Rename device
+#
+# @param {String, Number} id device id
+# @param {String} name the device new name
+# @param {Function} callback callback(error)
+#
+# @example Rename device
+#		resin.models.device.rename 317, 'NewName', (error) ->
+#			throw error if error?
+#			console.log("Device has been renamed!")
+#
+exports.rename = (id, name, callback) ->
+	return pine.patch
+		resource: 'device'
+		id: id
+		data:
+			name: name
+
+	.then ->
+		return callback()
+
+	.catch (error) ->
+		return callback(error)

lib/ui/widgets/widgets.coffee

@@ -38,3 +38,15 @@ exports.confirmRemoval = (name, callback) ->
 		}
 	], (response) ->
 		return callback(null, response.confirmed)
+
+exports.ask = (question, callback) ->
+	inquirer.prompt [
+		{
+			type: 'input'
+			name: 'answer'
+			message: question
+			validate: (input) ->
+				return _.isString(input) and not _.isEmpty(input)
+		}
+	], (response) ->
+		return callback(null, response.answer)