Asana service for Goa examples

This describes how to use the Asana service to authenticate with Asana using Goa, as described in Oauth2 for Apps Script in a few lines of code (which you should read first for background).
The library, cGoa, is available under this project key.

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1 Setting up
2 The example
3 The code

Setting up

You’ll need to create an App. The dashboard can be found here. Your one time setup would look something like this. 

 
   cGoa.GoaApp.setPackage (propertyStore ,{ 
    clientId: "33654442426661",               
    clientSecret:"6ab682baab027c35312ed0cbad72adc3",
    scopes : [],
    service: "asana",
    packageName: "asanaCredentials"
  });

The example

The example includes 3 functions.

  • A doGet example for a web app.
  • An example where the token has already been setup by a one off doGet example
  • An example of consuming the token
The doGet should be published  
function doGet(e) {
  return doGetAsana (e);
}

and will create a consent screen like this, from which the redirect URI can be copied and added to the App dashboard

The code

/**
 * this is how  to do a webapp which needs authentication
 * @param {*} e - parameters passed to doGet
 * @return {HtmlOurput} for rendering
 */
function doGetAsana (e) {
  // this is pattern for a WebApp.
  // passing the doGet parameters (or anything else)
  // will ensure they are preservered during the multiple oauth2 processes
  // change this to whatever store & credentials name are being used
  var goa = cGoa.GoaApp.createGoa('asanaCredentials',PropertiesService.getScriptProperties()).execute(e);
  // it's possible that we need consent - this will cause a consent dialog
  if (goa.needsConsent()) {
    return goa.getConsent();
  }
  // if we get here its time for your webapp to run and we should have a token, or thrown an error somewhere
  if (!goa.hasToken()) throw 'something went wrong with goa - did you check if consent was needed?';
  // This is a webapp doing whaever its supposed to do
  // getParams is used to retrieve the original parameters passed to this function
  var result = testAsana (goa.getToken(), goa.getParams() );   
  // now return it as normal
  return HtmlService.createHtmlOutput (result.getContentText())
    .setSandboxMode(HtmlService.SandboxMode.IFRAME);
}
function asana(params) {
  // pick up the token refreshing if necessary
  var goa =  cGoa.GoaApp.createGoa('asanaCredentials', PropertiesService.getScriptProperties()).execute(params);
  if (!goa.hasToken()) {
    throw 'for a non webapp version - first publish once off to provoke a dialog - token will be refreshed automatically thereafter';
  }
  // do a test - passing the token and any parameters that arrived to this function
  Logger.log (testAsana (goa.getToken(), goa.getParams() ));
} 
/**
 * this is your main processing - will be called with your access token
 * @param {string} accessToken - the accessToken
 * @param {*} params any params
 */
function testAsana (accessToken,params) {
   var options = {
     method: "GET",
     headers: {
       authorization: "Bearer " + accessToken
     }
   };
   return  UrlFetchApp.fetch("https://app.asana.com/api/1.0/users", options);
}

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