initial stash

2022-01-04 18:51:22 +02:00 · 2022-01-04 18:51:22 +02:00 · 035a88627e
commit 035a88627e
6 changed files with 917 additions and 0 deletions
--- a/.gitignore
+++ b/.gitignore
@ -0,0 +1,6 @@
+/node_modules
+*.json
+*.html
+!package.json
+!package-lock.json
+
--- a/README.md
+++ b/README.md
@ -0,0 +1,11 @@
+# Automatic Spotify scrape
+
+Looks for your local music files on Spotify and helps you create a playlist. This is useful for migrating your local music to Spotify. **Your tracks need to have valid metadata (artist and title is the minimum)!**.
+
+Feel free to use `https://lunasqu.ee/callback` as a callback url. It just prints query parameters to html. even if i wanted to i couldn't steal your code as i do not know your client secret.
+
+1. create Spotify app: https://developer.spotify.com/dashboard/login
+2. `npm i`
+3. put your Spotify credentials in `credentials.json` following the example.
+4. `node metasearcher.js /path/to/music/directory` scan the directory for music files and create a `spotify.json` file from matches.
+5. `node resultvisualizer.js` create a html table from the `spotify.json` file. 
--- a/metasearcher.js
+++ b/metasearcher.js
@ -0,0 +1,171 @@
+const SpotifyWebApi = require('spotify-web-api-node');
+const NodeID3 = require('node-id3')
+
+const fs = require('fs').promises;
+const ReadLine = require('readline');
+const path = require('path');
+
+/*
+{
+  "clientId": "",
+  "clientSecret": "",
+  "redirectUri": "https://lunasqu.ee/callback"
+}
+*/
+const spotifyApi = new SpotifyWebApi(require('./credentials.json'));
+const audPath = process.argv[2];
+
+if (!audPath) {
+  throw new Error('No directory specified');
+}
+
+// Create the authorization URL
+const rl = ReadLine.createInterface({
+  input: process.stdin,
+  output: process.stdout,
+});
+
+function ask(msg) {
+  return new Promise((resolve) => rl.question(msg, resolve));
+}
+
+async function setupSpotify() {
+  let credentials = {
+    token: null,
+    expires: null,
+    refresh: null,
+  };
+
+  try {
+    credentials = JSON.parse(await fs.readFile('.token.json'));
+  } catch (e) {}
+
+  if (!credentials.token) {
+    const authorizeURL = spotifyApi.createAuthorizeURL(['playlist-modify-private'], 'FPEPFERHR234234trGEWErjrjsdw3666sf06');
+    console.log('Authorize the application');
+    console.log(authorizeURL);
+    const code = await ask('Enter code []> ');
+
+    if (!code) {
+      process.exit(1);
+    }
+
+    const data = await spotifyApi.authorizationCodeGrant(code);
+    console.log('The access token has been received.');
+
+    // Set the access token on the API object to use it in later calls
+    spotifyApi.setAccessToken(data.body['access_token']);
+    spotifyApi.setRefreshToken(data.body['refresh_token']);
+
+    credentials.token = data.body['access_token'];
+    credentials.expires = Math.floor(Date.now() / 1000) + data.body['expires_in'];
+    credentials.refresh = data.body['refresh_token'];
+
+    await fs.writeFile('.token.json', JSON.stringify(credentials, undefined, 2));
+  } else {
+    console.log('The access token is present');
+    spotifyApi.setAccessToken(credentials.token);
+    spotifyApi.setRefreshToken(credentials.refresh);
+  }
+
+  if ((credentials.expires * 1000) < Date.now()) {
+    console.log('Refreshing access token');
+    try {
+      const refresh = await spotifyApi.refreshAccessToken();
+      credentials.token = refresh.body['access_token'];
+      credentials.expires = Math.floor(Date.now() / 1000) + refresh.body['expires_in'];
+      spotifyApi.setAccessToken(credentials.token);
+      spotifyApi.setRefreshToken(credentials.refresh);
+    } catch (e) {
+      console.error(e);
+      console.log('need to reauthorize');
+      credentials.token = null;
+    }
+    await fs.writeFile('.token.json', JSON.stringify(credentials, undefined, 2));
+    if (!credentials.token) {
+      return setupSpotify();
+    }
+  }
+
+  console.log('the token is good until', new Date(credentials.expires * 1000).toString());
+}
+
+async function readTags(file) {
+  return new Promise((resolve) => {
+    NodeID3.read(file, {noRaw: true, exclude: ['image']}, function(err, tags) {
+      if (err) return resolve(null)
+      if (tags.image) tags.image = null;
+      if (tags.private) tags.private = null;
+      resolve(tags);
+    });
+  });
+}
+
+async function readAudioFiles() {
+  let fileAndMeta = [];
+  const contents = await fs.readdir(audPath);
+  for (const file of contents) {
+    const fullp = path.join(audPath, file);
+    const tags = await readTags(fullp);
+    fileAndMeta.push({
+      path: fullp,
+      tags: tags,
+    });
+  }
+  fileAndMeta = fileAndMeta.filter((item) => item.tags && item.tags.artist && item.tags.title);
+  await fs.writeFile('file-meta-cache.json', JSON.stringify(fileAndMeta, undefined, 2));
+  return fileAndMeta;
+}
+
+async function delay(time) {
+  return new Promise((resolve) => setTimeout(resolve, time));
+}
+
+let requestDelay = 100;
+
+async function searchTrack(query) {
+  console.log('Searching for', query);
+  let returned
+
+  try {
+    returned = await spotifyApi.searchTracks(query, { limit: 5, market: 'EE' });
+  } catch (e) {
+    console.error(e);
+    console.log('We may have hit a rate limit');
+    console.log('Waiting 30 seconds for the rate limit window');
+    requestDelay = 1000;
+    await delay(30000);
+    return searchTrack(query);
+  }
+
+  await delay(requestDelay);
+  console.log('Got', returned.body.tracks.total, 'results');
+  return returned.body.tracks.items;
+}
+
+async function searchAllOfSpotify() {
+  await setupSpotify();
+
+  const audioFiles = await readAudioFiles();
+  let tracks = [];
+  let progress = 0;
+  let hits = 0;
+
+  for (const file of audioFiles) {
+    console.log('=> item %d of %d', (progress++), audioFiles.length);
+    const results = await searchTrack(`${file.tags.title} artist:${file.tags.artist}`);
+    if (results.length) {
+      hits++;
+      tracks.push({
+        file: file.path,
+        title: file.tags.title,
+        artist: file.tags.artist,
+        spotify: results,
+      });
+    }
+  }
+  console.log('Traversed %d audio files, of which %d had potential results from Spotify', audioFiles.length, hits);
+  await fs.writeFile('spotify.json', JSON.stringify(tracks, undefined, 2));
+}
+
+searchAllOfSpotify().catch(console.error).then(() => rl.close());
--- a/package-lock.json
+++ b/package-lock.json
@ -0,0 +1,600 @@
+{
+  "name": "spotifylookup",
+  "lockfileVersion": 2,
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+      }
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+      "requires": {
+        "inherits": "^2.0.3",
+        "string_decoder": "^1.1.1",
+        "util-deprecate": "^1.0.1"
+      }
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+    },
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+      "resolved": "https://registry.npmjs.org/semver/-/semver-7.3.5.tgz",
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+      "requires": {
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+    "side-channel": {
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+      "requires": {
+        "call-bind": "^1.0.0",
+        "get-intrinsic": "^1.0.2",
+        "object-inspect": "^1.9.0"
+      }
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+    "spotify-web-api-node": {
+      "version": "5.0.2",
+      "resolved": "https://registry.npmjs.org/spotify-web-api-node/-/spotify-web-api-node-5.0.2.tgz",
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+      "requires": {
+        "superagent": "^6.1.0"
+      }
+    },
+    "string_decoder": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.3.0.tgz",
+      "integrity": "sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA==",
+      "requires": {
+        "safe-buffer": "~5.2.0"
+      }
+    },
+    "superagent": {
+      "version": "6.1.0",
+      "resolved": "https://registry.npmjs.org/superagent/-/superagent-6.1.0.tgz",
+      "integrity": "sha512-OUDHEssirmplo3F+1HWKUrUjvnQuA+nZI6i/JJBdXb5eq9IyEQwPyPpqND+SSsxf6TygpBEkUjISVRN4/VOpeg==",
+      "requires": {
+        "component-emitter": "^1.3.0",
+        "cookiejar": "^2.1.2",
+        "debug": "^4.1.1",
+        "fast-safe-stringify": "^2.0.7",
+        "form-data": "^3.0.0",
+        "formidable": "^1.2.2",
+        "methods": "^1.1.2",
+        "mime": "^2.4.6",
+        "qs": "^6.9.4",
+        "readable-stream": "^3.6.0",
+        "semver": "^7.3.2"
+      }
+    },
+    "util-deprecate": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
+      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
+    },
+    "yallist": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
+      "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A=="
+    }
+  }
+}
--- a/package.json
+++ b/package.json
@ -0,0 +1,6 @@
+{
+  "dependencies": {
+    "node-id3": "^0.2.3",
+    "spotify-web-api-node": "^5.0.2"
+  }
+}
--- a/resultvisualizer.js
+++ b/resultvisualizer.js
@ -0,0 +1,123 @@
+const fs = require('fs/promises');
+const path = require('path');
+
+const stylesheet = `
+html, body {
+  margin: 0;
+  padding: 0;
+  width: 100%;
+  height: 100%;
+}
+*, *::before, *::after {
+  box-sizing: border-box;
+}
+body {
+  background-color: #000922;
+  font-family: sans;
+  color: white;
+}
+.wrapper, .wrapper table {
+  width: 100%;
+  border-collapse: collapse;
+}
+table tr:nth-child(odd) {
+  background-color: #030a38;
+}
+.meta .file {
+  font-weight: bold;
+}
+.meta .title, .meta .artist {
+  font-size: .6rem;
+}
+`;
+
+function createDocument(content) {
+  return `
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="utf-8">
+    <title>Spotify results</title>
+    <style>${stylesheet}</style>
+  </head>
+  <body>
+    ${content}
+  </body>
+</html>
+  `;
+}
+
+function $(name, content, classList) {
+  return {
+    toString: () => `<${name}${classList && classList.length ? ` class="${classList.join(',')}"` : ''}>${content ? content.toString() : ''}</${name}>`,
+    append: function ($el) {
+      content = content ? content + $el.toString() : $el.toString();
+      return this; 
+    },
+    html: function(text) {
+      content = text;
+      return this;
+    }
+  };
+}
+
+async function generate() {
+  const wrapper = $('div', null, ['wrapper']);
+  const table = $('table');
+  const header = $('thead', `
+    <thead>
+      <tr>
+        <th>Original File</th>
+        <th>Type</th>
+        <th>Album</th>
+        <th>Title</th>
+        <th>Artist</th>
+        <th>Meta</th>
+      </tr>
+    </thead>
+  `);
+  const tbody = $('tbody');
+  const spotify = JSON.parse(await fs.readFile('spotify.json'));
+  let rows = [];
+  for (const entry of spotify) {
+    let row = [];
+    for (const sfItem of entry.spotify) {
+      row.push([
+        '',
+        sfItem.album.album_type,
+        sfItem.album.name,
+        sfItem.name,
+        sfItem.artists.map((item) => item.name).join(', '),
+        `<a href="${sfItem.uri}" target="_blank">` +
+        `<img src="${sfItem.album.images[sfItem.album.images.length - 1].url}">` +
+        '</a>'
+      ]);
+    }
+
+    row[0][0] = $('div', 
+      $('span', path.basename(entry.file), ['file']) +
+      '<br>' +
+      $('span', `Title: ${entry.title}`, ['title']) +
+      `<br>` +
+      $('span', `Artist: ${entry.artist}`, ['artist']),
+      ['meta']
+    );
+
+    rows.push(
+      row.map(
+        (rowItem) =>
+        '<tr>' + 
+          rowItem.map(
+            (colItem) => `<td>${colItem}</td>`
+          ).join('') +
+        '</tr>'
+      ).join('')
+    );
+  }
+
+  rows.forEach((item) => tbody.append(item));
+  wrapper.append(table.append(header).append(tbody));
+  await fs.writeFile('test.html', createDocument(wrapper));
+}
+
+generate().catch(console.error);