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68 lines
2.3 KiB
68 lines
2.3 KiB
const express = require('express');
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const showdown = require('showdown');
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const { query } = require('./dbHelper.js');
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const { graphFromList } = require('./graphStuff.js');
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const port = process.env.PORT || 3001; // Use the port provided by the host or default to 3000
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const app = express();
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app.use(express.json());
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app.use(function (req, res, next) {
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res.setHeader("Access-Control-Allow-Origin", "*");
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res.setHeader('Access-Control-Allow-Methods', '*');
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res.setHeader("Access-Control-Allow-Headers", "*");
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next();
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});
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const converter = new showdown.Converter();
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app.listen(port, () => {
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console.log(`Server listening on port ${port}`);
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});
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app.get('/pages', (req, res) => {
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query('select id, title from pages', [])
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.then((r) => r.rows)
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.then((row) => row.map(([id, title]) => {return {"id": id, "title": title};}))
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.then((pages) => res.status(200).json(pages))
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.catch((error) => res.status(500).json({"error": error}));
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});
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app.post('/page/new', (req, res) => {
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query('insert into pages (title, description) values (?, ?) returning id',
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["new page", "this page is new!"])
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.then((r) => r.rows[0])
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.then((row) => res.status(200).json({id: row[0]}))
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.catch((error) => res.status(500).json({"error": error}))
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});
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app.get('/page/:id', (req, res) => {
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query('select * from pages where id=?', [req.params.id])
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.then((r) => {
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if (r.rows.length == 0) res.status(404).json({"error": "page not found in db"});
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else return r.rows[0];
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}).then((row) => res.status(200).json(row))
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.catch((error) => res.status(500).json({"error": error}));
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});
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app.post('/page/:id', (req, res) => {
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const html = converter.makeHtml(req.body.description);
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query('replace into pages (id, title, description, html) values (?, ?, ?, ?)',
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[req.params.id, req.body.title, req.body.description, html])
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.then(() => res.status(200).json({}))
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.catch((error) => res.status(500).json({"error": error}));
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});
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app.delete('/page/:id', (req, res) => {
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query('delete from pages where id = ?', [req.params.id])
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.then(() => res.status(200).json({id: req.params.id}))
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.catch((error) => res.status(500).json({"error": error}))
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})
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app.get('/graph', (req, res) => {
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query('select id, html from pages', [])
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.then((r) => r.rows)
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.then((stuff) => graphFromList(stuff))
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.then((graph) => res.json(graph))
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.catch((error) => res.status(500).json({"error": error}));
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}); |