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/DillerDao.js | 30 ++++++++++++++----------------
 1 file changed, 14 insertions(+), 16 deletions(-)

(limited to 'src/DillerDao.js')

diff --git a/src/DillerDao.js b/src/DillerDao.js
index 2133dfc..a47f181 100644
--- a/src/DillerDao.js
+++ b/src/DillerDao.js
@@ -2,7 +2,7 @@ var _ = require('lodash');
 
 function DillerDao(tx) {
 
-  var deviceColumns = 'id, key, created_timestamp';
+  var deviceColumns = 'id, created_timestamp, key, name, description';
   var propertyColumns = 'id, device, key, created_timestamp';
   var valueColumns = 'property, timestamp, value_text, value_numeric';
 
@@ -27,27 +27,25 @@ function DillerDao(tx) {
   }
 
   function updateDevice(id, attributes) {
-
     var values = [id];
     var i = 2;
-    var fields = _.map(attributes, function (value, name) {
-      console.log('name', name, 'value', value, 'i', i);
-      if (name == 'name') {
-        values.push(value);
-        return 'name = $' + i++;
-      }
-    });
+    var fields = _(attributes).chain()
+      .map(function (value, attribute) {
+        if (attribute == 'name' || attribute == 'description') {
+          values.push(value);
+          return attribute + ' = $' + i++;
+        }
+      })
+      .collect()
+      .join(', ')
+      .value();
 
     if (fields.length == 0) {
-      return; // TODO: return an empty promise;
+      return Promise.resolve({});
     }
 
-    fields = _.collect(fields);
-
-    var x = 'UPDATE device SET ' + fields.join(', ') + ' WHERE id = $1';
-    console.log('x', x);
-    console.log('values', values);
-    return tx.none(x, values);
+    var sql = 'UPDATE device SET ' + fields + ' WHERE id = $1';
+    return tx.none(sql, values);
   }
 
   // -------------------------------------------------------------------------------------------------------------------
-- 
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