demarches-normaliennes/app/javascript/components/shared/queryClient.js

79 lines
2.5 KiB
JavaScript

import { QueryClient } from 'react-query';
import { isNumeric } from '@utils';
import { matchSorter } from 'match-sorter';
const API_EDUCATION_QUERY_LIMIT = 5;
const API_GEO_QUERY_LIMIT = 5;
const API_ADRESSE_QUERY_LIMIT = 5;
// When searching for short strings like "mer", le exact match shows up quite far in
// the ordering (~50).
//
// That's why we deliberately fetch a lot of results, and then let the local matching
// (match-sorter) do the work.
//
// NB: 60 is arbitrary, we may add more if needed.
const API_GEO_COMMUNES_QUERY_LIMIT = 60;
const { api_geo_url, api_adresse_url, api_education_url } =
gon.autocomplete || {};
export const queryClient = new QueryClient({
defaultOptions: {
queries: {
queryFn: defaultQueryFn
}
}
});
function buildURL(scope, term) {
term = encodeURIComponent(term.replace(/\(|\)/g, ''));
if (scope === 'adresse') {
return `${api_adresse_url}/search?q=${term}&limit=${API_ADRESSE_QUERY_LIMIT}`;
} else if (scope === 'annuaire-education') {
return `${api_education_url}/search?dataset=fr-en-annuaire-education&q=${term}&rows=${API_EDUCATION_QUERY_LIMIT}`;
} else if (scope === 'communes') {
if (isNumeric(term)) {
return `${api_geo_url}/communes?codePostal=${term}&limit=${API_GEO_COMMUNES_QUERY_LIMIT}`;
}
return `${api_geo_url}/communes?nom=${term}&boost=population&limit=${API_GEO_COMMUNES_QUERY_LIMIT}`;
} else if (isNumeric(term)) {
const code = term.padStart(2, '0');
return `${api_geo_url}/${scope}?code=${code}&limit=${API_GEO_QUERY_LIMIT}`;
}
return `${api_geo_url}/${scope}?nom=${term}&limit=${API_GEO_QUERY_LIMIT}`;
}
function buildOptions() {
if (window.AbortController) {
const controller = new AbortController();
const signal = controller.signal;
return [{ signal }, controller];
}
return [{}, null];
}
async function defaultQueryFn({ queryKey: [scope, term] }) {
if (scope == 'pays') {
return matchSorter(await getPays(), term, { keys: ['nom'] });
}
const url = buildURL(scope, term);
const [options, controller] = buildOptions();
const promise = fetch(url, options).then((response) => {
if (response.ok) {
return response.json();
}
throw new Error(`Error fetching from "${scope}" API`);
});
promise.cancel = () => controller && controller.abort();
return promise;
}
let paysCache;
async function getPays() {
if (!paysCache) {
paysCache = await fetch('/pays.json').then((response) => response.json());
}
return paysCache;
}