Help please,
I’m receiving an error after saving the playlist on Spotify:
Here is my App.js:
import React from "react";
import "./App.css";
import SearchBar from "../SearchBar/SearchBar";
import SearchResults from "../SearchResults/SearchResults";
import Playlist from "../Playlist/Playlist";
import Spotify from "../../util/Spotify";
class App extends React.Component {
constructor(props) {
super(props);
this.state = {
searchResults: [],
playlistName: "My Playlist",
playlistTracks: []
};
this.addTrack = this.addTrack.bind(this);
this.removeTrack = this.removeTrack.bind(this);
this.updatePlaylistName = this.updatePlaylistName.bind(this);
this.savePlaylist = this.savePlaylist.bind(this);
this.search = this.search.bind(this);
}
addTrack(track) {
let tracks = this.state.playlistTracks;
if (tracks.find(savedTrack => savedTrack.id === track.id)) {
return;
}
tracks.push(track);
this.setState({ playlistTracks: tracks });
}
removeTrack(track) {
let tracks = this.state.playlistTracks;
tracks = tracks.filter(currentTrack => currentTrack.id !== track.id);
this.setState({ playlistTracks: tracks });
}
updatePlaylistName(name) {
this.setState({ playlistName: name });
}
savePlaylist() {
const trackUris = this.state.playlistTracks.map(track => track.uri);
Spotify.savePlaylist(this.state.playlistName, trackUris).then(() => {
this.setState({
playlistName: "New Playlist",
playlistTracks: []
});
});
}
search(term) {
Spotify.search(term).then(searchResults => {
this.setState({ searchResults: searchResults });
});
}
render() {
return (
<div>
<h1>
Ja<span className="highlight">mmm</span>ing
</h1>
<div className="App">
<SearchBar onSearch={this.search} />
<div className="App-playlist">
<SearchResults
searchResults={this.state.searchResults}
onAdd={this.addTrack}
/>
<Playlist
playlistName={this.state.playlistName}
playlistTracks={this.state.playlistTracks}
onRemove={this.removeTrack}
onNameChange={this.updatePlaylistName}
onSave={this.savePlaylist}
/>
</div>
</div>
</div>
);
}
}
export default App;
Spotify.js
const clientId = "";
const redirectUri = "http://localhost:3000/";
let accessToken;
const Spotify = {
getAccessToken() {
if (accessToken) {
return accessToken;
}
// Check for access token match
const accessTokenMatch = window.location.href.match(/access_token=([^&]*)/);
const expiresInMatch = window.location.href.match(/expires_in=([^&]*)/);
if (accessTokenMatch && expiresInMatch) {
accessToken = accessTokenMatch[1];
const expiresIn = Number(expiresInMatch[1]);
// This clears the parameters, allowing us tp grab a new access token when it expires.
window.setTimeout(() => (accessToken = ""), expiresIn * 1000);
window.history.pushState("Access Token", null, "/");
return accessToken;
} else {
const accessUrl = `https://accounts.spotify.com/authorize?client_id=${clientId}&response_type=token&scope=playlist-modify-public&redirect_uri=${redirectUri}`;
window.location = accessUrl;
}
},
search(term) {
const accessToken = Spotify.getAccessToken();
return fetch(`https://api.spotify.com/v1/search?type=track&q=${term}`, {
headers: { Authorization: `Bearer ${accessToken}` }
})
.then(response => {
return response.json();
})
.then(jsonResponse => {
if (!jsonResponse.tracks) {
return [];
}
return jsonResponse.tracks.items.map(track => ({
id: track.id,
name: track.name,
artist: track.artists[0].name,
album: track.album.name,
uri: track.uri
}));
});
},
savePlalist(name, trackUris) {
if (!name || !trackUris.length) {
return;
}
const accessToken = Spotify.getAccessToken();
const headers = { Authorization: `Bearer ${accessToken}` };
let userId;
return fetch("https://api.spotify.com/v1/me", { headers: headers })
.then(response => response.json())
.then(jsonResponse => {
userId = jsonResponse.id;
return fetch(`https://api.spotify.com/v1/users/${userId}/playlists`, {
headers: headers,
method: "POST",
body: JSON.stringify({ name: name })
})
.then(response => response.json())
.then(jsonResponse => {
const playlistId = jsonResponse.id;
return fetch(
`https://api.spotify.com/v1/users/${userId}/playlists/${playlistId}/tracks`,
{
headers: headers,
method: "POST",
body: JSON.stringify({ uris: trackUris })
}
);
});
});
}
};
export default Spotify;
Thank you