1 files changed, 81 insertions, 0 deletions
diff --git a/src/client/react/components/presentational/WeekSelector.js b/src/client/react/components/presentational/WeekSelector.js
new file mode 100644
index 0000000..9f69121
--- /dev/null
+++ b/src/client/react/components/presentational/WeekSelector.js
@@ -0,0 +1,81 @@
+/**
+ * Copyright (C) 2018 Noah Loomans
+ *
+ * This file is part of rooster.hetmml.nl.
+ *
+ * rooster.hetmml.nl is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * rooster.hetmml.nl is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with rooster.hetmml.nl.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+import React from 'react';
+import PropTypes from 'prop-types';
+import moment from 'moment';
+
+import ArrowBackIcon from 'react-icons/lib/md/arrow-back';
+import ArrowForwardIcon from 'react-icons/lib/md/arrow-forward';
+
+import purifyWeek from '../../lib/purifyWeek';
+
+import './WeekSelector.scss';
+
+class WeekSelector extends React.Component {
+  static propTypes = {
+    // react-router
+    week: PropTypes.number.isRequired,
+    setWeek: PropTypes.func.isRequired,
+  };
+
+  getWeekText() {
+    const { week } = this.props;
+
+    const currentWeek = moment().week();
+
+    switch (week) {
+      case currentWeek:
+        return `Huidige week • ${week}`;
+      case currentWeek + 1:
+        return `Volgende week • ${week}`;
+      case currentWeek - 1:
+        return `Vorige week • ${week}`;
+      default:
+        return `Week ${week}`;
+    }
+  }
+
+  updateWeek(change) {
+    const { week, setWeek } = this.props;
+    const newWeek = purifyWeek(week + change);
+
+    const isCurrentWeek = moment().week() === newWeek;
+    setWeek(isCurrentWeek ? undefined : newWeek);
+  }
+
+  render() {
+    return (
+      <div className="WeekSelector">
+        <button type="button" onClick={() => this.updateWeek(-1)}>
+          <ArrowBackIcon />
+        </button>
+        <div className="text">
+          {this.getWeekText()}
+        </div>
+        <button type="button" onClick={() => this.updateWeek(+1)}>
+          <ArrowForwardIcon />
+        </button>
+      </div>
+    );
+  }
+}
+
+export default WeekSelector;