import axios from 'axios';
import PropTypes from 'prop-types';
import React from 'react';
+import { Helmet } from 'react-helmet';
import { withTranslation } from 'react-i18next';
import NotFound from './NotFound';
const Techniques = ({ namespace, type }) => {
const [error, setError] = React.useState(null);
+ const [filter, setFilter] = React.useState({});
const [loading, setLoading] = React.useState(true);
const [techniques, setTechniques] = React.useState([]);
+ React.useEffect(() => {
+ const savedFilter = localStorage.getItem(`content.filter.${type}`);
+ if (savedFilter) {
+ setFilter(JSON.parse(savedFilter));
+ } else {
+ setFilter(filter => filter ? {} : filter);
+ }
+ }, [type]);
+
+ const updateFilter = React.useCallback(newFilter => {
+ localStorage.setItem(`content.filter.${type}`, JSON.stringify(newFilter));
+ setFilter(newFilter);
+ }, [type]);
+
React.useEffect(() => {
const ctrl = new AbortController();
- setLoading(true);
- window.document.title = i18n.t(`${namespace}.heading`);
+ if (!techniques.length) {
+ setLoading(true);
+ }
axios
.get(`/api/content`, {
params: {
type,
+ ...filter,
},
signal: ctrl.signal
})
setTechniques(response.data.sort(compareTranslation('title', i18n.language)));
})
.catch(error => {
- setError(error);
- setLoading(false);
- setTechniques([]);
+ if (!axios.isCancel(error)) {
+ setError(error);
+ setLoading(false);
+ setTechniques([]);
+ }
});
return () => {
ctrl.abort();
};
- }, [namespace, type]);
+ }, [filter, namespace, type]);
React.useEffect(() => {
- window.document.title = i18n.t(`${namespace}.heading`);
setTechniques(t => [...t].sort(compareTranslation('title', i18n.language)));
}, [namespace, i18n.language]);
}
return <ErrorBoundary>
- <Overview namespace={namespace} techniques={techniques} />
+ <Helmet>
+ <title>{i18n.t(`${namespace}.heading`)}</title>
+ <meta name="description" content={i18n.t(`${namespace}.description`)} />
+ </Helmet>
+ <Overview
+ filter={filter}
+ namespace={namespace}
+ setFilter={updateFilter}
+ techniques={techniques}
+ type={type}
+ />
</ErrorBoundary>;
};