dashboard next: activity metrics and new contributors

This commit also introduces a better grouping of data points.

app/assets/javascripts/admin/models/admin-dashboard-next.js.es6

@@ -1,9 +1,13 @@
-import { ajax } from 'discourse/lib/ajax';
+import { ajax } from "discourse/lib/ajax";
+import Report from "admin/models/report";
+
+const ATTRIBUTES = [ "disk_space", "updated_at", "last_backup_taken_at"];
+
+const REPORTS = [ "global_reports", "user_reports" ];
 
 const AdminDashboardNext = Discourse.Model.extend({});
 
 AdminDashboardNext.reopenClass({
-
   /**
     Fetch all dashboard data. This can be an expensive request when the cached data
     has expired and the server must collect the data again.
@@ -11,13 +15,26 @@ AdminDashboardNext.reopenClass({
     @method find
     @return {jqXHR} a jQuery Promise object
   **/
-  find: function() {
+  find() {
     return ajax("/admin/dashboard-next.json").then(function(json) {
-      var model = AdminDashboardNext.create(json);
-      model.set('loaded', true);
+      var model = AdminDashboardNext.create();
+
+      const reports = {};
+      REPORTS.forEach(name => json[name].forEach(r => {
+        if (!reports[name]) reports[name] = {};
+        reports[name][r.type] = Report.create(r);
+      }));
+      model.set("reports", reports);
+
+      const attributes = {};
+      ATTRIBUTES.forEach(a => attributes[a] = json[a]);
+      model.set("attributes", attributes);
+
+      model.set("loaded", true);
+
       return model;
     });
-  },
+  }
 });
 
 export default AdminDashboardNext;

app/assets/javascripts/admin/models/report.js.es6

@@ -60,12 +60,18 @@ const Report = Discourse.Model.extend({
   sevenDayTrend() {
     const currentPeriod = this.valueFor(1, 7);
     const prevPeriod = this.valueFor(8, 14);
-    if (currentPeriod > prevPeriod) {
+    const change = ((currentPeriod - prevPeriod) / prevPeriod) * 100;
+
+    if (change > 50) {
+      return "high-trending-up";
+    } else if (change > 0) {
       return "trending-up";
-    } else if (currentPeriod < prevPeriod) {
-      return "trending-down";
-    } else {
+    } else if (change === 0) {
       return "no-change";
+    } else if (change < -50) {
+      return "high-trending-down";
+    } else if (change < 0) {
+      return "trending-down";
     }
   },