add new device-reserve and device-release endpoints

lib/units/api/controllers/device.js

@@ -5,12 +5,18 @@ var logger = require('../../../util/logger')
 var datautil = require('../../../util/datautil')
 
 var log = logger.createLogger('api:controllers:device')
+var wire = require('../../../wire')
+var wireutil = require('../../../wire/util')
 
 module.exports = {
   getDevices: getDevices
 , getDeviceBySerial: getDeviceBySerial
+, reserveDeviceBySerial: reserveDeviceBySerial
+, releaseDeviceBySerial: releaseDeviceBySerial
 }
 
+var log = logger.createLogger('api:contoller:device')
+
 function getDevices(req, res) {
   dbapi.loadDevices()
     .then(function(cursor) {
@@ -59,3 +65,99 @@ function getDeviceBySerial(req, res) {
       })
     })
 }
+
+function reserveDeviceBySerial(req, res) {
+  var serial = req.swagger.params.serial.value
+
+  dbapi.loadDevice(serial)
+    .then(function(device) {
+      if (device) {
+        datautil.normalize(device, req.user)
+        if(!device.using) {
+
+          var requirements = {
+            'serial': {
+              'value': serial,
+              'match': 'exact'
+            }
+          }
+
+          req.options.push.send([
+            device.channel
+          , wireutil.envelope(
+              new wire.GroupMessage(
+                new wire.OwnerMessage(
+                  req.user.email
+                , req.user.name
+                , req.user.group
+                )
+              , null
+              , wireutil.toDeviceRequirements(requirements)
+              )
+            )
+          ])
+
+          res.json({
+            success: true
+          , device: device
+          })
+
+        } else {
+          res.json(500, {
+            success: false
+          , description: 'Device is being used'
+          })
+        }
+      } else {
+        res.json(500, {
+          success: false
+        , description: 'Bad device serial'
+        })
+      }
+    })
+}
+
+function releaseDeviceBySerial(req, res) {
+  var serial = req.swagger.params.serial.value
+
+  dbapi.loadDevice(serial)
+    .then(function(device) {
+      if (device) {
+        datautil.normalize(device, req.user)
+        if(device.using && device.owner.email == req.user.email) {
+
+          var requirements = {
+            'serial': {
+              'value': serial,
+              'match': 'exact'
+            }
+          }
+
+          req.options.push.send([
+            device.channel
+          , wireutil.envelope(
+              new wire.UngroupMessage(
+                wireutil.toDeviceRequirements(requirements)
+              )
+            )
+          ])
+
+          res.json({
+            success: true
+          , device: device
+          })
+
+        } else {
+          res.json(500, {
+            success: false
+          , description: 'You cannot kick this device'
+          })
+        }
+      } else {
+        res.json(500, {
+          success: false
+        , description: 'Bad device serial'
+        })
+      }
+    })
+}