68 lines
1.9 KiB
JavaScript
68 lines
1.9 KiB
JavaScript
const context = {
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subject: "ćwiczenie 4 - dane z tablicy, select",
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fields: [
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{ name: "title" },
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{ name: "author" },
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{ name: "lang" }
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],
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books: [
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{ title: "Lalka", author: "B Prus", lang: "PL" },
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{ title: "Hamlet", author: "W Szekspir", lang: "ENG" },
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{ title: "Pan Wołodyjowski", author: "H Sienkiewicz", lang: "PL" },
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{ title: "Zamek", author: "F Kafka", lang: "CZ" }
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]
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}
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const express = require("express")
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const app = express()
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const PORT = 3000
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const path = require('path')
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const { create } = require('express-handlebars');
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const hbs = create({
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defaultLayout: 'main.hbs', // Domyślny layout: views/layouts/main.hbs
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extname: '.hbs' // rozszerzenie plików szablonów
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});
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app.engine('.hbs', hbs.engine); // określenie silnika szablonów
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app.set('view engine', '.hbs');
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app.set('views', path.join(__dirname, 'views')); // ustalamy katalog views
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app.get("/", function (req, res) {
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res.render('index04b.hbs', context)
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})
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app.get("/handle04", function (req, res) {
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let data = {
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subject: context.subject,
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books: []
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};
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if (req.query.title != 'on' && req.query.author != 'on' && req.query.lang != 'on') {
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data.books.push({ value: "Musisz wybrać co najmniej jedno kryterium!" })
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} else {
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context.books.forEach(book => {
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let attributes = []
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if (req.query.title == 'on') {
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attributes.push(book.title)
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}
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if (req.query.author == 'on') {
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attributes.push(book.author)
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}
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if (req.query.lang == 'on') {
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attributes.push(book.lang)
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}
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data.books.push({ value: attributes.join(', ') })
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})
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}
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res.render('index041.hbs', data);
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})
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app.use(express.static("static"))
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app.listen(PORT, function () {
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console.log("start serwera na porcie " + PORT)
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})
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