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spotify-api.ts
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spotify-api.ts
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import getConfig from "next/config"
import SpotifyWebApi from 'spotify-web-api-node';
import {PrismaClient} from '@prisma/client'
// NOTE: Fix for server functions not being correctly defined in the library.
// @ts-ignore
import clientCredentialsGrant from 'spotify-web-api-node/src/server-methods';
const prisma = new PrismaClient();
(SpotifyWebApi as unknown as { _addMethods: (functions: unknown) => void })._addMethods(
clientCredentialsGrant
);
const { serverRuntimeConfig, clientRuntimeConfig} = getConfig();
async function findExistingAccessToken() {
// Check if there is a valid access token in the DB...
return await prisma.authentication.findFirst({
where: {
expiration_date: {
gt: new Date().toISOString()
},
},
});
}
async function getNewAccessToken( api:SpotifyWebApi ) {
// Retrieve an access token.
// api.clientCredentialsGrant().then(
// function (data) {
// writeNewAccessToken(data.body).then(() => {
// // Save the access token so that it's used in future calls
// api.setAccessToken(data.body['access_token']);
// });
// },
// function (err) {
// console.log('Something went wrong when retrieving an access token', err);
// }
// );
let state = 'spotigraph-grant-permission'
let scopes = ['']
let authorizeURL = api.createAuthorizeURL(scopes, state);
}
// @ts-ignore
async function writeNewAccessToken(data:ClientCredentialGrantResponse) {
// Set our expiration as a Date object.
let expiration_date: Date = new Date();
expiration_date.setSeconds(expiration_date.getSeconds() + data['expires_in'])
// Write authentication response into the database.
const authentication = await prisma.authentication.create({
data: {
access_token: data['access_token'],
expiration_date: expiration_date,
token_type: data['token_type'],
},
})
}
// Set the client ID
async function getSpotifyApiConnection():Promise<SpotifyWebApi> {
let spotifyApi = new SpotifyWebApi({
clientId: serverRuntimeConfig.clientId,
clientSecret: serverRuntimeConfig.clientSecret,
});
// Check for an existing valid token and return it.
let authObject = await findExistingAccessToken();
if (authObject != null) {
console.log("Existing valid token found.")
spotifyApi.setAccessToken(authObject.access_token)
return spotifyApi;
}
// Get a new token, store it in the db, and return it.
await getNewAccessToken(spotifyApi);
return spotifyApi;
}
export default getSpotifyApiConnection();