core/web:

o Adding last_timestamp
o Showing last_value and last_timestamp for each property.

6 files changed, 57 insertions, 11 deletions

diff --git a/migrations/20151031131941-last-timestamp.js b/migrations/20151031131941-last-timestamp.js
new file mode 100644
index 0000000..913203f
--- /dev/null
+++ b/migrations/20151031131941-last-timestamp.js
@@ -0,0 +1,30 @@
+var dbm = global.dbm || require('db-migrate');
+var type = dbm.dataType;
+var fs = require('fs');
+var path = require('path');
+
+exports.up = function(db, callback) {
+  var filePath = path.join(__dirname + '/sqls/20151031131941-last-timestamp-up.sql');
+  fs.readFile(filePath, {encoding: 'utf-8'}, function(err,data){
+    if (err) return callback(err);
+      console.log('received data: ' + data);
+
+    db.runSql(data, function(err) {
+      if (err) return callback(err);
+      callback();
+    });
+  });
+};
+
+exports.down = function(db, callback) {
+  var filePath = path.join(__dirname + '/sqls/20151031131941-last-timestamp-down.sql');
+  fs.readFile(filePath, {encoding: 'utf-8'}, function(err,data){
+    if (err) return callback(err);
+      console.log('received data: ' + data);
+
+    db.runSql(data, function(err) {
+      if (err) return callback(err);
+      callback();
+    });
+  });
+};
diff --git a/migrations/sqls/20151031131941-last-timestamp-down.sql b/migrations/sqls/20151031131941-last-timestamp-down.sql
new file mode 100644
index 0000000..44f074e
--- /dev/null
+++ b/migrations/sqls/20151031131941-last-timestamp-down.sql
@@ -0,0 +1 @@
+/* Replace with your SQL commands */
\ No newline at end of file
diff --git a/migrations/sqls/20151031131941-last-timestamp-up.sql b/migrations/sqls/20151031131941-last-timestamp-up.sql
new file mode 100644
index 0000000..0268983
--- /dev/null
+++ b/migrations/sqls/20151031131941-last-timestamp-up.sql
@@ -0,0 +1,2 @@
+ALTER TABLE device_property
+ADD COLUMN last_timestamp TIMESTAMPTZ;
diff --git a/src/Diller.js b/src/Diller.js
index edb501d..46dc8e2 100644
--- a/src/Diller.js
+++ b/src/Diller.js
@@ -3,14 +3,14 @@ var _ = require('lodash');
 function Diller(config, pg, dao) {
   var log = config.log();
 
-  function newValue(dao, device, property, value) {
+  function newValue(dao, device, property, timestamp, value) {
     log.info('new value for device ' + device.key + '/' + property.key + ' = ' + value, {
       deviceId: device.id,
       propertyId: property.id,
       value: value
     });
 
-    return dao.insertValue(property.id, value)
+    return dao.insertValue(property.id, timestamp, value)
       .then(function (res) {
         // ignore the result
         updateAggregates(property.id, res.timestamp);
@@ -18,13 +18,13 @@ function Diller(config, pg, dao) {
       });
   }
 
-  function newName(dao, device, property, name) {
+  function newName(dao, device, property, timestamp, name) {
     log.info('New name for property ', device.key + '/' + property.key + '.name = ' + name);
 
     return dao.updatePropertyName(property.id, name);
   }
 
-  function newDescription(dao, device, property, description) {
+  function newDescription(dao, device, property, timestamp, description) {
     log.info('New description for property ', device.key + '/' + property.key + '.description = ' + description);
 
     return dao.updatePropertyDescription(property.id, description);
@@ -56,6 +56,8 @@ function Diller(config, pg, dao) {
 
   //noinspection JSUnusedLocalSymbols
   function onMessage(topic, message, payload) {
+    var timestamp = new Date();
+
     var parts = topic.split(/\//);
 
     log.info('Processing message to ' + topic);
@@ -108,7 +110,7 @@ function Diller(config, pg, dao) {
       })
       .then(function (data) {
         // log.info('data.device', data.device, 'data.property', data.property);
-        return f(dao, data.device, data.property, message.toString());
+        return f(dao, data.device, data.property, timestamp, message.toString());
       })
       .then(function (res) {
         log.warn('success', res);
diff --git a/src/DillerDao.js b/src/DillerDao.js
index a47f181..fa27aa1 100644
--- a/src/DillerDao.js
+++ b/src/DillerDao.js
@@ -3,7 +3,7 @@ var _ = require('lodash');
 function DillerDao(tx) {
 
   var deviceColumns = 'id, created_timestamp, key, name, description';
-  var propertyColumns = 'id, device, key, created_timestamp';
+  var propertyColumns = 'id, created_timestamp, device, key, last_value, last_timestamp';
   var valueColumns = 'property, timestamp, value_text, value_numeric';
 
   // -------------------------------------------------------------------------------------------------------------------
@@ -85,11 +85,14 @@ function DillerDao(tx) {
     return tx.manyOrNone('SELECT timestamp, coalesce(value_numeric::text, value_text) AS value FROM value WHERE property=$1 ORDER BY timestamp DESC LIMIT $2', [propertyId, limit]);
   }
 
-  function insertValue(propertyId, value) {
+  function insertValue(propertyId, timestamp, value) {
     var value_numeric = parseFloat(value) || undefined,
       value_text = value_numeric ? null : value;
 
-    return tx.one('INSERT INTO value(property, timestamp, value_text, value_numeric) VALUES($1, CURRENT_TIMESTAMP, $2, $3::NUMERIC) RETURNING timestamp', [propertyId, value_text, value_numeric]);
+    return tx.none('UPDATE device_property SET last_value = $2, last_timestamp = $3 WHERE id = $1', [propertyId, value, timestamp])
+      .then(function () {
+        return tx.one('INSERT INTO value(property, timestamp, value_text, value_numeric) VALUES($1, $2, $3, $4::NUMERIC) RETURNING timestamp', [propertyId, timestamp, value_text, value_numeric]);
+      });
   }
 
   function updateHourAggregatesForProperty(propertyId, timestamp) {
diff --git a/web/static/app/templates/device.html b/web/static/app/templates/device.html
index 270c461..d1fb6f9 100644
--- a/web/static/app/templates/device.html
+++ b/web/static/app/templates/device.html
@@ -90,17 +90,25 @@
   <table class="table" ng-if="ctrl.device.properties.length > 0">
     <thead>
     <tr>
-      <td>Registered</td>
       <td>Key</td>
+      <td>Last value</td>
+      <td>Last timestamp</td>
+      <td>Registered</td>
     </tr>
     </thead>
     <tbody>
     <tr ng-repeat="p in ctrl.device.properties | orderBy:'key'">
       <td>
-        {{p.created_timestamp | date:'medium'}}
+        <a href="#/device/{{ctrl.device.id}}/property/{{p.id}}">{{p.key}}</a>
       </td>
       <td>
-        <a href="#/device/{{ctrl.device.id}}/property/{{p.id}}">{{p.key}}</a>
+        {{p.last_value}}
+      </td>
+      <td>
+        {{p.last_timestamp | date:'medium'}}
+      </td>
+      <td>
+        {{p.created_timestamp | date:'medium'}}
       </td>
     </tr>
     </tbody>