FEATURE: part 2 of dashboard improvements

- moderation tab
- sorting/pagination
- improved third party reports support
- trending charts
- better perf
- many fixes
- refactoring
- new reports

Co-Authored-By: Simon Cossar <scossar@users.noreply.github.com>

app/assets/javascripts/admin/components/admin-report-table-header.js.es6

@@ -0,0 +1,18 @@
+import computed from "ember-addons/ember-computed-decorators";
+
+export default Ember.Component.extend({
+  tagName: "th",
+  classNames: ["admin-report-table-header"],
+  classNameBindings: ["label.property", "isCurrentSort"],
+  attributeBindings: ["label.title:title"],
+
+  @computed("currentSortLabel.sort_property", "label.sort_property")
+  isCurrentSort(currentSortField, labelSortField) {
+    return currentSortField === labelSortField;
+  },
+
+  @computed("currentSortDirection")
+  sortIcon(currentSortDirection) {
+    return currentSortDirection === 1 ? "caret-up" : "caret-down";
+  }
+});