2 files changed, 44 insertions, 1 deletions
diff --git a/src/client/react/components/container/WeekSelector.js b/src/client/react/components/container/WeekSelector.js
new file mode 100644
index 0000000..9f308f0
--- /dev/null
+++ b/src/client/react/components/container/WeekSelector.js
@@ -0,0 +1,34 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import moment from 'moment';
+import momentPropTypes from 'react-moment-proptypes';
+import queryString from 'query-string';
+import { withRouter } from 'react-router-dom';
+
+const WeekSelector = ({ urlWeek, location, history }) => {
+  const updateWeek = (change) => {
+    const newWeek = moment().week(urlWeek.week() + change);
+    const isCurrentWeek = moment().week() === newWeek.week();
+    history.push(`${location.pathname}?${queryString.stringify({ week: isCurrentWeek ? undefined : newWeek.week() })}`);
+  };
+
+  return (
+    <div>
+      <button onClick={() => updateWeek(-1)}>Prev</button>
+      Week {urlWeek.week()}
+      <button onClick={() => updateWeek(+1)}>Next</button>
+    </div>
+  );
+};
+
+WeekSelector.propTypes = {
+  urlWeek: momentPropTypes.momentObj.isRequired,
+  history: PropTypes.shape({
+    push: PropTypes.func.isRequired,
+  }).isRequired,
+  location: PropTypes.shape({
+    pathname: PropTypes.string.isRequired,
+  }).isRequired,
+};
+
+export default withRouter(WeekSelector);
diff --git a/src/client/react/components/page/User.js b/src/client/react/components/page/User.js
index ff304c0..980070f 100644
--- a/src/client/react/components/page/User.js
+++ b/src/client/react/components/page/User.js
@@ -1,12 +1,17 @@
 import React from 'react';
 import PropTypes from 'prop-types';
 import { Redirect } from 'react-router-dom';
+import queryString from 'query-string';
+import moment from 'moment';
 import Search from '../container/Search';
 import View from '../container/View';
 import users from '../../users';
+import WeekSelector from '../container/WeekSelector';
 
-const App = ({ match }) => {
+const App = ({ match, location }) => {
   const user = `${match.params.type}/${match.params.value}`;
+  const weekStr = queryString.parse(location.search).week;
+  const week = weekStr ? moment().week(weekStr) : moment();
 
   if (!users.allIds.includes(user)) {
     // Invalid user, redirect to index.
@@ -18,6 +23,7 @@ const App = ({ match }) => {
       <div className="menu">
         <div className="menu-container">
           <Search urlUser={user} />
+          <WeekSelector urlWeek={week} />
         </div>
       </div>
       <View user={user} />
@@ -32,6 +38,9 @@ App.propTypes = {
       value: PropTypes.string.isRequired,
     }).isRequired,
   }).isRequired,
+  location: PropTypes.shape({
+    search: PropTypes.string.isRequired,
+  }).isRequired,
 };
 
 export default App;