Add button to go back to device listing; fix query of most recent status; add alert row highlighting to index template, closes issue #30.

server.js

@@ -65,10 +65,11 @@ app.get('/', function(req, res){
     var d = new Date();
     console.log("GET /, " + JSON.stringify(d, 4));
     var devIndexQry = 
-        "select al.coreId, max(co.coreName) as coreName, max(co.locationDesc) as locationDesc, max(published_at) as MaxPub, max(status) as MaxStatus " +
-        "from Alerts al " +
-        "left join Cores co on al.coreId = co.coreId " +
-        "group by al.coreId;";
+        "select al.coreId, max(co.coreName) as coreName, max(co.locationDesc) as locationDesc, mpub.MaxPub, al.status as MaxStatus " + 
+        "from Alerts al " + 
+            "inner join (select coreId, max(published_at) as MaxPub from Alerts group by coreId) mpub on al.coreId = mpub.coreId and al.published_at = mpub.MaxPub " + 
+        "left join Cores co on al.coreId = co.coreId " + 
+        "group by al.coreId ";
     db.all(devIndexQry, function(err, rows){
         if(err !== null) {
             console.log(err);
@@ -79,6 +80,10 @@ app.get('/', function(req, res){
             rows.forEach(function(row){
                 row.MaxPubDate = alertmonUtils.getLocDateFromUTC(row.MaxPub);
                 row.MaxPubTime = alertmonUtils.getLocTimeFromUTC(row.MaxPub);
+
+                if(row.MaxStatus.toLowerCase().indexOf('alert') > -1){
+                    row.rowClass = 'alert-row';
+                } else { row.rowClass = 'non-alert-row'; }
             });
 
             res.render('index', {cores: rows}, function(err, html) {

views/core.hbs

@@ -11,6 +11,7 @@
     </b>
 
     <a href="https://particle.kaplon.us/core/edit/{{alerts.0.coreId}}" class="btn btn-primary">Edit Details</a>
+    <a href="https://particle.kaplon.us" class="btn btn-primary">Back to Device Listing</a>
 </p>
 
 <table class="table table-striped">

views/index.hbs

@@ -13,7 +13,7 @@
     </thead>
     <tbody>
         {{#each cores}}
-            <tr>
+            <tr class="{{this.rowClass}}">
                 <td>
                     {{#if this.coreName}}
                         <a href="https://particle.kaplon.us/core/{{this.coreId}}">{{this.coreName}}</a>