dotstokyoの動画一覧を取得するやつ

getAllVedeos.js

/*
 * Youtubeのチャンネル/ユーザーの動画を自分の再生リストに追加するやつ(制御版)
 * YouTube Data API [Your Key]
 * https://console.developers.google.com/apis/library
 *
 * Copyright © 2017 gc373  
 * This work is free. You can redistribute it and/or modify it under the  
 * terms of the Do What The Fuck You Want To Public License, Version 2,  
 * as published by Sam Hocevar. See http://www.wtfpl.net/ for more details.  
 * http://www.wtfpl.net/
 */
const Youtube = require("youtube-api");
const REFRESH_TOKEN = "";
const CLIENT_ID = "";
const CLIENT_SECRET = "";
const REDIRECT_URI = "";
const TARGET_PLAYLISTID = "UU1K7BU8V68WMYcn-ei34oyQ";

let videoIds = [];
let nextpage_token = null;
let my_playlistId = null;
let count = 0;

getAPI();

/*
 * APIを叩く(最大取得件数 50件)
 */
function getAPI(nextpage_token) {

  Youtube.authenticate({
    type: "oauth",
    refresh_token: REFRESH_TOKEN,
    client_id: CLIENT_ID,
    client_secret: CLIENT_SECRET,
    redirect_uri: REDIRECT_URI
  });

  Youtube.playlistItems.list({
    "part": "snippet",
    "order": "date",
    "maxResults": 50,
    "playlistId": TARGET_PLAYLISTID,
    "pageToken": nextpage_token
  }, function (err, data) {
    filter(err, data);
  });
}

/*
 * 追加する動画のフィルターと後続処理の分岐
 * data.nextPageTokenがある場合には全件取得するために再帰
 */
function filter(err, data) {
  if (err) { console.log(err); return }
  let root = data.items;
  root.forEach(function (i) {
    if (i.snippet.title.match(/*.*/)) { // you should be add filter.
      videoIds.push(i.snippet.resourceId.videoId)
    }
  })
  if (data.nextPageToken) {
    nextpage_token = data.nextPageToken;
    getAPI(nextpage_token);
  } else {
    createPlaylist();
  }
}


/*
 * 再生リストの作成
 * 作成できたら動画の追加へ
 */
function createPlaylist() {

  videoIds.reverse();
  Youtube.playlists.insert({
    resource: {
      snippet: {
        title: "dots.tokyo"
      }
    },
    part: "snippet"
  }, function (err, data) {
    if (err) { console.log(err); return } else {
      my_playlistId = data.id;
      insertPlaylist();
    }
  })
}


/*
 * 動画の追加
 */
function insertPlaylist() {
  console.log("now insert :" + videoIds[count] + " to " + my_playlistId);
  Youtube.playlistItems.insert({
    resource: {
      snippet: {
        "playlistId": my_playlistId,
        "resourceId": {
          "kind": "youtube#video",
          "videoId": videoIds[count++]
        }
      }
    },
    part: "snippet"
  }, function (err, data) {
    if (err) {
      console.log(err)
    } else if (count < videoIds.length) {
      insertPlaylist();
    } else {
      console.log("done!");
    }
  })
}