Funkcionalna radna verzija

2017-10-18 14:48:50 +02:00
parent a75ea978f9
commit 67dd77c632
127 changed files with 2436 additions and 163 deletions
--- a/backend/google_api.js
+++ b/backend/google_api.js
@@ -0,0 +1,123 @@
+var fs = require('fs');
+var readline = require('readline');
+var google = require('googleapis');
+var googleAuth = require('google-auth-library');
+
+require('dotenv').config()
+
+const PEOPLE_DB = process.env.PEOPLE_DB.split('/')[5];
+const PAIRS_LIST = process.env.PAIRS_LIST.split('/')[5];
+
+var SCOPES = ['https://www.googleapis.com/auth/spreadsheets.readonly'];
+var TOKEN_DIR = (process.env.HOME || process.env.HOMEPATH ||
+    process.env.USERPROFILE) + '/.credentials/';
+var TOKEN_PATH = TOKEN_DIR + 'sheets.googleapis.com-nodejs-quickstart.json';
+
+var oauth2Client = null;
+
+
+function executeAPI(callback){
+  fs.readFile('client_secret.json', function processClientSecrets(err, content) {
+    console.log("reading client secret");
+    if (err) {
+      console.log('Error loading client secret file: ' + err);
+      return;
+    }
+    // Authorize a client with the loaded credentials, then call the
+    // Google Sheets API.
+    return authorize(JSON.parse(content), callback);
+  });
+}
+
+function authorize(credentials, callback){
+    var clientSecret = credentials.installed.client_secret;
+    var clientId = credentials.installed.client_id;
+    var redirectUrl = credentials.installed.redirect_uris[0];
+    var auth = new googleAuth();
+    
+    oauth2Client = new auth.OAuth2(clientId, clientSecret, redirectUrl);
+  
+    // Check if we have previously stored a token.
+    fs.readFile(TOKEN_PATH, function(err, token) {
+      console.log(TOKEN_PATH);
+      if (err) {
+        getNewToken();
+        return callback();
+      } else {
+        oauth2Client.credentials = JSON.parse(token);
+        var resultat = callback();
+        console.log("resultat");
+        console.log(resultat);
+        //return callback();
+      }
+    });
+}
+
+function getNewToken() {
+    var authUrl = oauth2Client.generateAuthUrl({
+      access_type: 'offline',
+      scope: SCOPES
+    });
+    console.log('Authorize this app by visiting this url: ', authUrl);
+    var rl = readline.createInterface({
+      input: process.stdin,
+      output: process.stdout
+    });
+    rl.question('Enter the code from that page here: ', function(code) {
+      rl.close();
+      oauth2Client.getToken(code, function(err, token) {
+        if (err) {
+          console.log('Error while trying to retrieve access token', err);
+          return;
+        }
+        oauth2Client.credentials = token;
+        storeToken(token);
+      });
+    });
+}
+
+function storeToken(token) {
+  try {
+    fs.mkdirSync(TOKEN_DIR);
+  } catch (err) {
+    if (err.code != 'EEXIST') {
+      throw err;
+    }
+  }
+  console.log(JSON.stringify(token));
+  fs.writeFile(TOKEN_PATH, JSON.stringify(token));
+  console.log('Token stored to ' + TOKEN_PATH);
+}
+
+function getPairs(){
+    auth=oauth2Client;
+    ranges = ['2017!A:A','2017!B:B']; //get all rows with names
+    var sheets = google.sheets('v4');
+    sheets.spreadsheets.values.batchGet({
+      auth: auth,
+      spreadsheetId: PAIRS_LIST,
+      ranges: ranges
+    }, function(err, result) {
+     if(err) {
+       // Handle error
+       console.log(err);
+       return null;
+     } else {
+       const pairs = [];
+       
+       for (let i=0;i<result.valueRanges[0].values.length;i++){
+         let name1 = result.valueRanges[0].values[i][0];
+         if (name1){
+          let name2 = result.valueRanges[1].values[i][0];
+          pairs.push({name1:name1,name2:name2});
+         }
+       }
+       console.log(pairs);
+       return pairs;
+     }
+    });
+}
+
+module.exports = {
+  getPairs: function{executeAPI(getPairs(callback));}
+}