gtfs-display/src/pages/group-agency-per-day.js

67 lines
2.2 KiB
JavaScript

import React, { useEffect, useState } from 'react';
import axios from 'axios';
import config from '../config';
import GroupAgencyPerDayTable from '../components/group-agency-per-day-table';
import Input from '../components/input';
export default function GroupAgencyPerDay() {
const dateDefault = 'Select date';
const [date, setDate] = useState(dateDefault);
const [rryGroupAgencyPerDay, setRryGroupAgencyPerDay] = useState([]);
const [rryAgencies, setRryAgencies] = useState([]);
// TODO How do we handle invalid date input?
const handleDate = (e) => {
if (e.target.value.indexOf('2023') !== -1
|| e.target.value.indexOf('2024') !== -1) {
setDate((date) => e.target.value);
}
};
const getRryGroupAgencyPerDay = async () => {
if (date !== dateDefault) {
try {
/* TODO handle errors: https://www.valentinog.com/blog/await-react/ */
const address = `${config.API}trip-updates-by-group-agency-day?day=${date}`;
// console.log('address: ' + address);
const res = await axios.get(address);
if (res.data !== undefined && res.data !== null) {
// console.log('res.data.length: ' + res.data.length);
setRryGroupAgencyPerDay((rryGroupAgencyPerDay) => res.data);
} else {
console.error('ERROR: trip-updates by routes and day request FAILED');
}
} catch (err) {
console.error(`err.message: ${err.message}`);
}
}
};
/* this hook is run after a DOM update. Changing state might result in an infinite loop */
/* hook need to be placed in body of the function component in which it is used */
useEffect(() => {
getRryGroupAgencyPerDay();
/* use an empty dependency array to ensure the hook is running only once */
/* TODO study dependency array: https://reactjs.org/docs/hooks-effect.html */
}, [date]);
return (
<>
<label>
<Input
id="inputDate"
name={dateDefault}
onChange={handleDate}
placeholder="Enter date ${dateDefault}"
type="date"
title="Enter date ${dateDefault}"
value={date}
/>
</label>
<GroupAgencyPerDayTable array={rryGroupAgencyPerDay} title="agencies" date={date} />
</>
);
}