82 lines
2.0 KiB
JavaScript
82 lines
2.0 KiB
JavaScript
const cheerio = require('cheerio')
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const dayjs = require('dayjs')
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const { parseDates } = require('../parser-utils')
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const parseDate = (timeText) => {
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const parts = timeText.split('at')
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const datePart = parts[0] || null
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const timePart = parts[1] || null
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if (!datePart) {
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return {
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start: null,
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duration: null,
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}
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}
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const normalizedTimeString = `${datePart}${timePart || ''}`
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const startTime = dayjs(normalizedTimeString)
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const { start, duration } = parseDates(startTime, null)
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return {
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start,
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duration,
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}
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}
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const createLocationData = (streetText, areaText) => {
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const location = ([ streetText, areaText ])
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.filter(i => i)
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.join(', ') || ''
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return location.replace(/\r?\n|\r/g, ' ')
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}
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// NOTE: Fallback parser
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// Attempt reading event data directly from DOM
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const parseUsingDOM = (html, url, { logger }) => {
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logger.log({
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message: 'Using fallback DOM parser',
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level: 'info',
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service: 'parser',
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})
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const $ = cheerio.load(html)
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const title = $('title').text()
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const $eventSummary = $('#event_summary')
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const $eventNode = $eventSummary ? $eventSummary.children()[1] : null
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const $timeNode = $eventNode ? $eventNode.childNodes[0] : null
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const $locationNode = $eventNode ? $eventNode.childNodes[1] : null
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const timeText = $timeNode ? $timeNode.attribs.title : ''
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const $locationBlock = $locationNode ? $($locationNode).find('td') : null
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const $locationBlockTDs = $locationBlock ? $locationBlock.children() : []
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const $streetBlock = $locationBlockTDs[1] || null
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const $areaBlock = $locationBlockTDs[2] || null
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const streetText = $streetBlock ? $($streetBlock).text() : ''
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const areaText = $areaBlock ? $($areaBlock).text() : ''
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const location = createLocationData(streetText, areaText)
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const { start, duration } = parseDate(timeText)
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const eventData = {
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location,
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start,
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duration,
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title,
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url,
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}
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if (!eventData.title || !eventData.start) {
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return null
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}
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return eventData
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}
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module.exports = parseUsingDOM
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