turns-00004.parquet:48462
27f645b0aae5e0f429db1d29degenerate_repetitionAbsentFinal dense release
USER
const express = require(“express”);
const fs = require(“fs”);
const session = require(“express-session”);
const fileUpload = require(“express-fileupload”);
const app = express();
const fuzzball = require(“fuzzball”);
app.set(“view engine”, “ejs”);
app.use(express.static(“public”));
app.use(express.urlencoded({ extended: true }));
app.use(fileUpload());
app.use(session({
secret: “mysecretkey”,
resave: false,
saveUninitialized: false
}));
const citiesAndRegions = JSON.parse(fs.readFileSync(“./db/russia.json”));
const predefinedGenres = [‘Rock’, ‘Pop’, ‘Jazz’, ‘Hip Hop’, ‘Electronic’, ‘Blues’];
function getMusicianById(id) {
const data = fs.readFileSync(“./db/musicians.json”);
const musicians = JSON.parse(data);
return musicians.musicians.find(musician => musician.id === id);
}
function requireLogin(req, res, next) {
if (req.session.musicianId) {
next();
} else {
res.redirect(“/login”);
}
}
function search(query = ‘’, role = ‘’, city = ‘’) {
const data = fs.readFileSync(‘./db/musicians.json’);
const musicians = JSON.parse(data).musicians.map(musician => {
return {
name: musician.name,
genre: musician.genre,
originalName: musician.name,
profileLink: /profile/${musician.id},
thumbnail: musician.thumbnail,
soundcloud: musician.soundcloud,
role: musician.role,
city: musician.city
};
});
let results = [];
if (query || role || city) {
const lowerQuery = query.toLowerCase();
results = musicians.filter(musician => {
const nameScore = musician.name.toLowerCase().startsWith(lowerQuery) ? 2 : musician.name.toLowerCase().includes(lowerQuery) ? 1 : 0;
const genreScore = musician.genre.toLowerCase().startsWith(lowerQuery) ? 2 : musician.genre.toLowerCase().includes(lowerQuery) ? 1 : 0;
//const cityScore = fuzzball.token_set_ratio(musician.city.toLowerCase(), city.toLowerCase()); // изменено здесь
//const cityMatch = musician.city && musician.city.toLowerCase() === city.toLowerCase();
return (
nameScore + genreScore > 0 &&
(role === “” || musician.role === role) &&
(city === “” || musician.city.toLowerCase() === city.toLowerCase())
);
}).sort((a, b) => {
const aNameScore = a.name.toLowerCase().startsWith(lowerQuery) ? 2 : a.name.toLowerCase().includes(lowerQuery) ? 1 : 0;
const bNameScore = b.name.toLowerCase().startsWith(lowerQuery) ? 2 : b.name.toLowerCase().includes(lowerQuery) ? 1 : 0;
const aGenreScore = a.genre.toLowerCase().startsWith(lowerQuery) ? 2 : a.genre.toLowerCase().includes(lowerQuery) ? 1 : 0;
const bGenreScore = b.genre.toLowerCase().startsWith(lowerQuery) ? 2 : b.genre.toLowerCase().includes(lowerQuery) ? 1 : 0;
// Sort by name score, then genre score, then location score (descending)
if (aNameScore + aGenreScore + a.location < bNameScore + bGenreScore + b.location) {
return 1;
} else if (aNameScore + aGenreScore + a.location > bNameScore + bGenreScore + b.location) {
return -1;
} else {
return 0;
}
});
// Remove duplicates
results = results.filter((result, index, self) =>
index === self.findIndex(r => (
r.name === result.name && r.genre === result.genre && r.city === result.city
))
);
}
return results;
}
app.use((req, res, next) => {
if (req.session.musicianId) {
const musician = getMusicianById(req.session.musicianId);
res.locals.musician = musician;
res.locals.userLoggedIn = true;
res.locals.username = musician.name;
} else {
res.locals.userLoggedIn = false;
}
next();
});
app.get(“/”, (req, res) => {
const data = fs.readFileSync(“./db/musicians.json”);
const musicians = JSON.parse(data);
res.render(“index”, { musicians: musicians.musicians });
});
app.get(“/register”, (req, res) => {
if (req.session.musicianId) {
const musician = getMusicianById(req.session.musicianId);
res.redirect(“/profile/” + musician.id);
} else {
res.render(“register”, { citiesAndRegions, city:‘’ });
}
});
app.post(“/register”, (req, res) => {
if (req.session.musicianId) {
const musician = getMusicianById(req.session.musicianId);
res.redirect(“/profile/” + musician.id);
} else {
const data = fs.readFileSync(“./db/musicians.json”);
const musicians = JSON.parse(data);
const newMusician = {
id: musicians.musicians.length + 1,
name: req.body.name,
genre: req.body.genre,
instrument: req.body.instrument,
soundcloud: req.body.soundcloud,
password: req.body.password,
role: req.body.role,
city: req.body.city,
login: req.body.login
};
if (req.files && req.files.thumbnail) {
const file = req.files.thumbnail;
const filename = “musician_” + newMusician.id + “" + file.name;
file.mv(“./public/img/” + filename);
newMusician.thumbnail = filename;
}
const found = citiesAndRegions.find(
({ city }) => city === req.body.city.toLowerCase()
);
// Если найдено - сохраняем город и регион, если нет - оставляем только город
if (found) {
newMusician.city = found.city;
newMusician.region = found.region;
} else {
newMusician.city = req.body.city;
newMusician.region = “”;
}
musicians.musicians.push(newMusician);
fs.writeFileSync(“./db/musicians.json”, JSON.stringify(musicians));
req.session.musicianId = newMusician.id;
res.redirect(“/profile/” + newMusician.id);
}
});
app.get(“/profile/:id”, (req, res) => {
const musician = getMusicianById(parseInt(req.params.id));
if (musician) {
res.render(“profile”, { musician: musician });
} else {
res.status(404).send(“Musician not found”);
}
});
app.get(“/login”, (req, res) => {
res.render(“login”);
});
app.post(“/login”, (req, res) => {
const data = fs.readFileSync(“./db/musicians.json”);
const musicians = JSON.parse(data);
const musician = musicians.musicians.find(musician => musician.login === req.body.login && musician.password === req.body.password);
if (musician) {
req.session.musicianId = musician.id;
res.redirect(“/profile/” + musician.id);
} else {
res.render(“login”, { error: “Invalid login or password” });
}
});
app.get(“/logout”, (req, res) => {
req.session.destroy();
res.redirect(“/”);
});
app.get(‘/search’, (req, res) => {
const query = req.query.query || ‘’;
const role = req.query.role || ‘’;
const city = req.query.city || ‘’;
let musicians = [];
if (query || role || city) {
musicians = search(query, role, city);
} else {
const data = fs.readFileSync(‘./db/musicians.json’);
musicians = JSON.parse(data).musicians.map(musician => {
return {
name: musician.name,
genre: musician.genre,
originalName: musician.name,
profileLink: /profile/${musician.id},
thumbnail: musician.thumbnail,
soundcloud: musician.soundcloud,
role: musician.role,
city: musician.city
};
});
}
res.locals.predefinedGenres = predefinedGenres;
res.render(‘search’, { musicians, query, role, citiesAndRegions });
//res.redirect(‘/search’);
});
app.get(“/profile/:id/edit”, requireLogin, (req, res) => {
const musician = getMusicianById(parseInt(req.params.id));
if (musician) {
if (req.session.musicianId === musician.id) { // Check if the logged-in user is the owner of the profile
res.render(“edit-profile”, { musician: musician });
} else {
res.status(403).send(“Access denied”);
}
} else {
res.status(404).send(“Musician not found”);
}
});
app.post(‘/profile/:id/edit’, requireLogin, (req, res) => {
const musician = getMusicianById(parseInt(req.params.id));
if (musician) {
if (!req.body.name || !req.body.genre) {
res.status(400).send(‘Please fill out all fields’);
} else {
musician.name = req.body.name;
musician.genre = req.body.genre;
musician.instrument = req.body.instrument;
musician.soundcloud = req.body.soundcloud;
musician.soundcloud1 = req.body.soundcloud1;
musician.soundcloud2 = req.body.soundcloud2;
musician.location = req.body.location;
musician.role = req.body.role;
musician.bio = req.body.bio;
if (req.files && req.files.thumbnail) {
const file = req.files.thumbnail;
const filename = 'musician’ + musician.id + ‘_’ + file.name;
file.mv(‘./public/img/’ + filename);
musician.thumbnail = filename;
}
const data = fs.readFileSync(‘./db/musicians.json’);
const musicians = JSON.parse(data);
const index = musicians.musicians.findIndex(m => m.id === musician.id);
musicians.musicians[index] = musician;
fs.writeFileSync(‘./db/musicians.json’, JSON.stringify(musicians));
res.redirect(‘/profile/’ + musician.id);
}
} else {
res.status(404).send(‘Musician not found’);
}
});
function isValidSoundCloudUrl(url) {
return url.startsWith(‘https://soundcloud.com/’);
}
app.listen(3000, () => {
console.log(“Server started on port 3000”);
});
search.ejs:
<!DOCTYPE html>
<html>
<head>
<title>Search Musicians</title>
<link rel=“stylesheet” href=”/node_modules/jquery-ui/themes/base/all.css" />
<script src=“/node_modules/jquery/dist/jquery.min.js”></script>
<script src=“/node_modules/jquery-ui-dist/jquery-ui.min.js”></script>
</head>
<body>
<h1>Search Musicians</h1>
<form action=“/search” method=“get”>
<label for=“query”>Search by name or genre:</label> <input id=“query” name=“query” type=“text” value=“<%= query %>”><br>
<br>
<label for=“role”>Search by role:</label> <select id=“role” name=“role”>
<option value=“”>
All
</option>
<option value=“Band”>
Band
</option>
<option value=“Artist”>
Artist
</option>
</select>
<% if (musicians.length > 0) { %>
<label for=“city”>Search by location:</label>
<input id=“city” name=“city” type=“text” value=“<%= musician.city %>”>
<% } %>
<br>
<!-- Add new input field for location -->
<br>
<br>
<button type=“submit”>Search</button>
</form><%if (musicians.length > 0) { %>
<h2>Results:</h2>
<ul>
<%musicians.forEach(musician => { %>
<li>
<a href=“<%= musician.profileLink %>”><%= musician.name %> <%if (musician.thumbnail) { %> <img src=“/img/<%= musician.thumbnail %>” alt=“<%= musician.name %>”> <%} %></a> - <%= musician.genre %> - <%= musician.location %> <%if (musician.soundcloud) { %> <a href=“%3C%=%20musician.soundcloud%20%%3E”>SoundCloud</a> <%} %>
</li><%}); %>
</ul><%} else if (query || role) { %>
<p>No musicians found.</p><%} %>
<script>
(function () {
const cities = <%= JSON.stringify(citiesAndRegions.map(item => item.city)) %>;
(“#city”).autocomplete({
source: cities,
minLength: 3,
});
});
</script>
<script>
const city = document.querySelector(“#city”).value;
const url =
“/search?query=” +
encodeURIComponent(query) +
“&role=” +
encodeURIComponent(role) +
“&city=” +
encodeURIComponent(city);
</script>
</body>
</html>
TypeError: Cannot read properties of undefined (reading ‘toLowerCase’)
at C:\Users\Ilya\Downloads\my-musician-network\app.js:70:35ASSISTANT
It looks like there might be an issue with the data in the "citiesAndRegions" variable. The error suggests that there is an undefined value in the "citiesAndRegions" list, which doesn't have a "toLowerCase()" method. To debug this issue, I recommend logging the "citiesAndRegions" variable before using it and checking the data for any inconsistencies:
```javascript
console.log(citiesAndRegions);
const found = citiesAndRegions.find(
({ city }) => city === req.body.city.toLowerCase()
);
```
Also, there might be a problem with the `query` parameter being `undefined`. You can add a check to ensure that the `query` parameter in the `search` function exists before using it:
```javascript
function search(query = '', role = '', city = '') {
...
let results = [];
if (query || role || city) {
const lowerQuery = query ? query.toLowerCase() : null; // Add check for query
results = musicians.filter(musician => {
...
});
...
}
```
Additionally, I noticed that your code uses non-standard double quotes “” instead of standard double quotes "". This might cause issues when running your code. Make sure to replace all non-standard double quotes with standard double quotes.
For example, replace this line:
```javascript
const express = require(“express”);
```
with this line:
```javascript
const express = require("express");
```