107 lines
3.5 KiB
JavaScript
107 lines
3.5 KiB
JavaScript
const csv = require('fast-csv')
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const fs = require('fs')
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let records = []
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/**
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* Parse CSV file and call processor functions on every line.
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*/
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function start (dataFile) {
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csv
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.parseFile(dataFile, {
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delimiter: ';'
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})
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.on("data", function (data) {
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if (data[0] !== 'Bereich') processInput(...data)
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})
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.on("end", createHTML)
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}
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/**
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* Generate one object for every line in the CSV file and push
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* it to the records array.
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*/
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function processInput (section, chair, category, audience, abbreviation,
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topic, description, deadline, link) {
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records.push({
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section, chair, category, audience, abbreviation, topic, description, deadline, link
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})
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}
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/**
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* Generate HTML from the records array.
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* The resulting markup is written to ./result.txt.
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*/
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function createHTML() {
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const recordsBySection = groupBy(records, x => x.section)
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let resultString = ''
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let sections = Array.from(['Informatik', 'Angewandte Informatik', 'Wirtschaftsinformatik'])
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.filter(section => recordsBySection.has(section))
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sections.forEach(function (section) {
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resultString += `<a
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style="display: inline-block; padding: .5rem; border: 1px solid lightgray; border-radius: 2px; box-shadow: 0px 1px 2px rgba(0,0,0,0.3);"
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href="#${convertToID(section)}">${section}</a>\n`
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})
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sections.forEach(function (section) {
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resultString += `<h1 id="${convertToID(section)}">${section}</h1>\n`
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let recordsByChair = groupBy(recordsBySection.get(section), x => x.chair)
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let chairs = [...recordsByChair.keys()].sort()
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chairs.forEach(function (chair) {
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resultString += `<h3>${chair}</h3>\n`
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let recordsByCategory = groupBy(recordsByChair.get(chair), x => x.category)
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let categories = [...recordsByCategory.keys()].sort()
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categories.forEach(function (category) {
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recordsByCategory.get(category).forEach(function (cur) {
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resultString += `<div style="border: 1px solid lightgray; box-shadow: 0px 2px 4px rgba(0,0,0,0.3); padding: 1rem; margin-bottom: 1rem;"><h5>${category}`
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resultString += cur.abbreviation ? ` ${cur.abbreviation}` : ''
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resultString += `: ${cur.topic} (${cur.audience})</h5>\n`
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resultString += `<p><strong>Kurzbeschreibung:</strong> ${cur.description}</p>\n`
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resultString += `<p><strong>Anmeldefrist</strong>: ${cur.deadline}</p>\n`
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resultString += `<p><strong>Weitere Informationen und Anmeldung:</strong> `
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resultString += cur.link.startsWith('http') ? `<br/><a href="${cur.link}">${cur.link}</a>` : cur.link
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resultString += `</p></div>\n`
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})
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})
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})
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})
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fs.writeFileSync('result.txt', resultString)
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console.log(`Successfully parsed ${process.argv[2]}.`)
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}
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if (process.argv[2]) {
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start(process.argv[2])
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} else {
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console.error("Missing argument. You have to pass the name of the data file.")
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}
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/**
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* Group an array of records by a given key.
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* Taken from the answer to this question:
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* https: //stackoverflow.com/questions/14446511/most-efficient-method-to-groupby-on-an-array-of-objects#38327540
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*/
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function groupBy(list, keyGetter) {
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const map = new Map();
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list.forEach((item) => {
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const key = keyGetter(item);
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const collection = map.get(key);
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if (!collection) {
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map.set(key, [item]);
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} else {
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collection.push(item);
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}
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});
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return map;
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}
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/**
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* Convert to ID-compatible string by replacing non-word characters with dashes.
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*/
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function convertToID(string) {
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return string.replace(/\W/g, '-')
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} |