Added sorting to referrers bar graph

src/utils/SortingDropdown.js

@@ -54,7 +54,7 @@ const SortingDropdown = ({ items, orderField, orderDir, onChange, isButton, righ
           </DropdownItem>
         ))}
         <DropdownItem divider />
-        <DropdownItem onClick={() => onChange()}>
+        <DropdownItem disabled={!orderField} onClick={() => onChange()}>
           <i>Clear selection</i>
         </DropdownItem>
       </DropdownMenu>

src/visits/ShortUrlVisits.js

@@ -7,7 +7,7 @@ import { Card } from 'reactstrap';
 import PropTypes from 'prop-types';
 import DateInput from '../common/DateInput';
 import MutedMessage from '../utils/MuttedMessage';
-import CountriesGraph from './CountriesGraph';
+import SortableBarGraph from './SortableBarGraph';
 import { getShortUrlVisits, shortUrlVisitsType } from './reducers/shortUrlVisits';
 import {
   processBrowserStats,
@@ -96,10 +96,24 @@ export class ShortUrlsVisitsComponent extends React.Component {
             <GraphCard title="Browsers" stats={processBrowserStats(visits)} />
           </div>
           <div className="col-md-6">
-            <CountriesGraph stats={processCountriesStats(visits)} />
+            <SortableBarGraph
+              stats={processCountriesStats(visits)}
+              title="Countries"
+              sortingItems={{
+                name: 'Country name',
+                amount: 'Visits amount',
+              }}
+            />
           </div>
           <div className="col-md-6">
-            <GraphCard title="Referrers" stats={processReferrersStats(visits)} isBarChart />
+            <SortableBarGraph
+              stats={processReferrersStats(visits)}
+              title="Referrers"
+              sortingItems={{
+                name: 'Referrer name',
+                amount: 'Visits amount',
+              }}
+            />
           </div>
         </div>
       );

src/visits/SortableBarGraph.js

@@ -4,9 +4,11 @@ import { fromPairs, head, keys, prop, reverse, sortBy, toPairs } from 'ramda';
 import SortingDropdown from '../utils/SortingDropdown';
 import GraphCard from './GraphCard';
 
-export default class CountriesGraph extends React.Component {
+export default class SortableBarGraph extends React.Component {
   static propTypes = {
-    stats: PropTypes.any,
+    stats: PropTypes.object.isRequired,
+    title: PropTypes.string.isRequired,
+    sortingItems: PropTypes.object.isRequired,
   };
 
   state = {
@@ -15,31 +17,27 @@ export default class CountriesGraph extends React.Component {
   };
 
   render() {
-    const items = {
-      name: 'Country name',
-      amount: 'Visits amount',
-    };
-    const { stats } = this.props;
+    const { stats, sortingItems, title } = this.props;
     const sortStats = () => {
       if (!this.state.orderField) {
         return stats;
       }
 
-      const sortedPairs = sortBy(prop(this.state.orderField === head(keys(items)) ? 0 : 1), toPairs(stats));
+      const sortedPairs = sortBy(prop(this.state.orderField === head(keys(sortingItems)) ? 0 : 1), toPairs(stats));
 
       return fromPairs(this.state.orderDir === 'ASC' ? sortedPairs : reverse(sortedPairs));
     };
 
     return (
       <GraphCard stats={sortStats()} isBarChart>
-        Countries
+        {title}
         <div className="float-right">
           <SortingDropdown
             isButton={false}
             right
             orderField={this.state.orderField}
             orderDir={this.state.orderDir}
-            items={items}
+            items={sortingItems}
             onChange={(orderField, orderDir) => this.setState({ orderField, orderDir })}
           />
         </div>

test/visits/ShortUrlVisits.test.js

@@ -7,7 +7,7 @@ import { ShortUrlsVisitsComponent as ShortUrlsVisits } from '../../src/visits/Sh
 import MutedMessage from '../../src/utils/MuttedMessage';
 import GraphCard from '../../src/visits/GraphCard';
 import DateInput from '../../src/common/DateInput';
-import CountriesGraph from '../../src/visits/CountriesGraph';
+import SortableBarGraph from '../../src/visits/SortableBarGraph';
 
 describe('<ShortUrlVisits />', () => {
   let wrapper;
@@ -70,11 +70,10 @@ describe('<ShortUrlVisits />', () => {
   it('renders all graphics when visits are properly loaded', () => {
     const wrapper = createComponent({ loading: false, error: false, visits: [{}, {}, {}] });
     const graphs = wrapper.find(GraphCard);
-    const countriesGraphs = wrapper.find(CountriesGraph);
-    const expectedGraphsCount = 3;
+    const sortableBarGraphs = wrapper.find(SortableBarGraph);
+    const expectedGraphsCount = 4;
 
-    expect(graphs).toHaveLength(expectedGraphsCount);
-    expect(countriesGraphs).toHaveLength(1);
+    expect(graphs.length + sortableBarGraphs.length).toEqual(expectedGraphsCount);
   });
 
   it('reloads visits when selected dates change', () => {