From 803148d5a23afe207fb5de9ac73c986a324feb9c Mon Sep 17 00:00:00 2001
From: Trygve Laugstøl <trygvis@inamo.no>
Date: Sat, 31 Oct 2015 14:09:39 +0100
Subject: core: o Improved transaction handling. web: o Supporting changing a
 device's name and description.

---
 src/web/DillerWeb.js | 56 ++++++++++++++++++++++++++++------------------------
 1 file changed, 30 insertions(+), 26 deletions(-)

(limited to 'src/web')

diff --git a/src/web/DillerWeb.js b/src/web/DillerWeb.js
index 95bcbb6..bcb15d4 100644
--- a/src/web/DillerWeb.js
+++ b/src/web/DillerWeb.js
@@ -4,11 +4,15 @@ var _ = require('lodash');
 var di = require('di');
 
 var DillerConfig = require('../DillerConfig');
-var Diller = require('../Diller');
-var DillerDb = require('../DillerDb');
-var DillerDao = require('../DillerDao');
-
-function DillerWeb(diller, db, config) {
+var DillerTx = require('../DillerTx');
+
+/**
+ * @param tx DillerTx
+ * @param config DillerConfig
+ * @returns {{init: init, listen: listen, generateRpc: generateRpc}}
+ * @constructor
+ */
+function DillerWeb(tx, config) {
   var log = config.log();
 
   var calls = [];
@@ -21,27 +25,25 @@ function DillerWeb(diller, db, config) {
     }
   }
 
+  function deviceResponse(data) {
+    var device = data[0];
+    device.properties = data[1];
+    return {device: device};
+  }
+
   function getDevices(req, res) {
-    db().tx(function (pg) {
-      var dao = new DillerDao(pg);
+    tx(function (pg, dao) {
       return dao.devices();
     }).then(function (devices) {
       res.json({devices: devices});
     }, genericErrorHandler(res));
   }
 
-  function deviceResponse(data) {
-    var device = data[0];
-    device.properties = data[1];
-    return {device: device};
-  }
-
   function getDevice(req, res) {
-    db().tx(function (tx) {
+    tx(function (pg, dao) {
       var deviceId = req.params.deviceId;
 
-      var dao = new DillerDao(tx);
-      return tx.batch([
+      return pg.batch([
         dao.deviceById(deviceId),
         dao.devicePropertiesByDeviceId(deviceId)]
       );
@@ -51,16 +53,20 @@ function DillerWeb(diller, db, config) {
   }
 
   function patchDevice(req, res) {
-    db().tx(function (tx) {
+    tx(function (pg, dao, diller) {
       var deviceId = req.params.deviceId;
 
       var body = req.body;
 
-      if (body.attribute == 'name') {
-        diller.updateDeviceName(deviceId, body.value)
+      if (!body.attribute) {
+        res.status(400).json({message: 'Required keys: "attribute" and "value".'});
+      } else if (body.attribute == 'name' || body.attribute == 'description') {
+        var attributes = {};
+        attributes[body.attribute] = body.value;
+
+        return diller.updateDeviceAttributes(deviceId, attributes)
           .then(function () {
-            var dao = new DillerDao(tx);
-            return tx.batch([
+            return pg.batch([
               dao.deviceById(deviceId),
               dao.devicePropertiesByDeviceId(deviceId)]
             );
@@ -69,7 +75,7 @@ function DillerWeb(diller, db, config) {
             res.json(deviceResponse(data));
           }, genericErrorHandler(res));
       } else {
-        res.status(400).json({message: 'Required keys: "attribute" and "value".'});
+        res.status(400).json({message: 'Unsupported attribute: ' + body.attribute});
       }
     }).then(function (data) {
       var device = data[0];
@@ -79,10 +85,8 @@ function DillerWeb(diller, db, config) {
   }
 
   function getValues(req, res) {
-    db().tx(function (tx) {
+    tx(function (tx, dao) {
       var propertyId = req.params.propertyId;
-
-      var dao = new DillerDao(tx);
       return dao.valuesByPropertyId(propertyId, 10);
     }).then(function (values) {
       res.json({values: values});
@@ -221,6 +225,6 @@ function DillerWeb(diller, db, config) {
   }
 }
 
-di.annotate(DillerWeb, new di.Inject(Diller, DillerDb, DillerConfig));
+di.annotate(DillerWeb, new di.Inject(DillerTx, DillerConfig));
 
 module.exports = DillerWeb;
-- 
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