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var fs = require('fs'); |
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var readline = require('readline'); |
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var google = require('googleapis'); |
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var googleAuth = require('google-auth-library'); |
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var books = require('google-books-search'); |
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var _ = require('lodash'); |
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var SCOPES = ['https://www.googleapis.com/auth/spreadsheets']; |
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var TOKEN_DIR = '.credentials/'; |
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var TOKEN_PATH = TOKEN_DIR + 'sheets.googleapis.com-my-library.json'; |
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// Load client secrets from a local file.
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fs.readFile(TOKEN_DIR + 'client_secret.json', function processClientSecrets(err, content) { |
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if (err) { |
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console.log('Error loading client secret file: ' + err); |
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return; |
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} |
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// Authorize a client with the loaded credentials, then call the
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// Google Sheets API.
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authorize(JSON.parse(content), inputLoop); |
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}); |
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/** |
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* Create an OAuth2 client with the given credentials, and then execute the |
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* given callback function. |
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* |
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* @param {Object} credentials The authorization client credentials. |
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* @param {function} callback The callback to call with the authorized client. |
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*/ |
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function authorize(credentials, callback) { |
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var clientSecret = credentials.installed.client_secret; |
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var clientId = credentials.installed.client_id; |
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var redirectUrl = credentials.installed.redirect_uris[0]; |
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var auth = new googleAuth(); |
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var oauth2Client = new auth.OAuth2(clientId, clientSecret, redirectUrl); |
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// Check if we have previously stored a token.
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fs.readFile(TOKEN_PATH, function(err, token) { |
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if (err) { |
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getNewToken(oauth2Client, callback); |
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} else { |
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oauth2Client.credentials = JSON.parse(token); |
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callback(oauth2Client); |
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} |
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}); |
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} |
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/** |
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* Get and store new token after prompting for user authorization, and then |
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* execute the given callback with the authorized OAuth2 client. |
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* |
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* @param {google.auth.OAuth2} oauth2Client The OAuth2 client to get token for. |
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* @param {getEventsCallback} callback The callback to call with the authorized |
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* client. |
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*/ |
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function getNewToken(oauth2Client, callback) { |
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var authUrl = oauth2Client.generateAuthUrl({ |
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access_type: 'offline', |
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scope: SCOPES |
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}); |
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console.log('Authorize this app by visiting this url: ', authUrl); |
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var rl = readline.createInterface({ |
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input: process.stdin, |
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output: process.stdout |
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}); |
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rl.question('Enter the code from that page here: ', function(code) { |
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rl.close(); |
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oauth2Client.getToken(code, function(err, token) { |
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if (err) { |
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console.log('Error while trying to retrieve access token', err); |
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return; |
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} |
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oauth2Client.credentials = token; |
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storeToken(token); |
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callback(oauth2Client); |
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}); |
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}); |
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} |
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/** |
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* Store token to disk be used in later program executions. |
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* |
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* @param {Object} token The token to store to disk. |
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*/ |
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function storeToken(token) { |
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try { |
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fs.mkdirSync(TOKEN_DIR); |
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} catch (err) { |
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if (err.code != 'EEXIST') { |
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throw err; |
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} |
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} |
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fs.writeFile(TOKEN_PATH, JSON.stringify(token)); |
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console.log('Token stored to ' + TOKEN_PATH); |
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} |
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function inputLoop(auth) { |
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insertRow(auth); |
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} |
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function insertRow(auth) { |
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var rl = readline.createInterface({ |
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input: process.stdin, |
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output: process.stdout |
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}); |
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rl.question('ISBN: ', function(isbn) { |
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rl.close(); |
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books.search(isbn, { |
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field: 'isbn', |
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lang: 'en' |
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}, function(error, results) { |
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if ( ! error && results.length > 0) { |
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var book = normalizeGoogleData(results[0]); |
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console.log(book); |
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appendToSheet(auth, _.values(book)); |
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} else if ( results.length == 0) { |
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console.log("no book found"); |
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inputLoop(auth); |
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} else { |
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console.log(error); |
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} |
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}); |
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}); |
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} |
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function normalizeGoogleData(book) { |
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var normalized = { |
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title: book.subtitle ? book.title + ': ' + book.subtitle : book.title, |
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author: _.join(book.authors, ', '), |
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authorLast: _.lowerCase(_.reverse(_.split(book.authors[0], ' '))[0]), |
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"isbn-10": _.find(book.industryIdentifiers, { type: "ISBN_10" }).identifier || '', |
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"isbn-13": _.find(book.industryIdentifiers, { type: "ISBN_13" }).identifier || '', |
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format: '', |
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genre: book.categories[0], |
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publisher: _.trim(book.publisher, '"'), |
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series: '', |
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volume: '', |
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publishedDate: book.publishedDate.substring(0, 4), |
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coverurl: '', |
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description: book.description, |
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notes: '', |
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signed: '' |
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}; |
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return normalized; |
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} |
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function appendToSheet(auth, book) { |
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var sheets = google.sheets('v4'); |
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sheets.spreadsheets.values.append({ |
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auth: auth, |
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spreadsheetId: '1w5Dc57wV0_rrKFsG7KM-qdPWEpqYk6lFu3JzAA0cSv0', |
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range: 'Sheet1', |
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valueInputOption: "RAW", |
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insertDataOption: "INSERT_ROWS", |
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resource: { |
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"range": "Sheet1", |
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"majorDimension": "ROWS", |
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"values": [ |
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book |
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] |
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} |
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}, function(err, response) { |
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if (err) { |
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console.log('The API returned an error: ' + err); |
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} |
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inputLoop(auth); |
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}); |
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} |