53 lines
1.7 KiB
JavaScript
53 lines
1.7 KiB
JavaScript
const app = require("express")();
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const db = require("./db");
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const port = process.env.PORT || 8080;
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const sep = `<br /><br />`;
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function genListing(row) {
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return `<a href="${row.url}">
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<span style="font-size: 1.5em">${row.title || row.url}</span>
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<br />
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<span style="font-size: 1em">${row.url}</span>
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</a>`;
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}
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function searchBar(query = "") {
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return `<form action="/search">
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<input type="text" value="${query}" name="q" placeholder="search here!" />
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</form>`;
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}
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function offsetButton(query, offset, limit, text) {
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return `<a href="?q=${query}&o=${offset}&l=${limit}">${text}</a>`;
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}
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app.get("/", (req, res) => {
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res.send(searchBar());
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});
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app.get("/search", (req, res) => {
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const query = req.query.q;
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const offset = +req.query.o || 0;
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const limit = +req.query.l || 50;
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const next = offsetButton(query, offset + limit, limit, "Next");
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const prev = offsetButton(query, offset - limit, limit, "Prev");
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const page = (offset / limit) + 1;
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db.all("SELECT url, title FROM page_search(?) ORDER BY rank LIMIT ?, ?",
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req.query.q, offset, limit, (err, rows) => {
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res.send(`
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${searchBar(query)}
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${prev} ${page} ${next}
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${sep}
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${rows.map(genListing).join(sep)}
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${sep}
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${prev} ${page} ${next}
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`);
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});
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});
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app.listen(port, () => {
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console.log(`Running at http://127.0.0.1:${port}/`);
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});
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