XERO oAuth 2.0

This npm library helps you to connect to xero public application and transfer the data.

Kudos to oauth NPM as this libarary used it's code as a base template.

Installation

$ npm install xero-oauth2.0

const xeroOauth = require('xero-oauth2.0')

Constructor

const oAuthXero = new xeroOauth .xeroOAuth2(
    XERO_APPLICATION_CLIENT_ID,
    XERO_APPLICATION_CLIENT_SECRET,
    CALL_BACK_URL);

Methods

1. _getConsentURL(scope)

   parameters : scope

   link to the full list of scopes for the xero.

   returns : consent url

   const consentUrl = oAuthXero._getConsentURL(scope);

2. _getAccessToken

   parameters : code, callback

   code will return as a part of response upon successful consent

   callback parameters : err, accessToken, refreshToken, results

   oAuthXero._getAccessToken(code, (err, oauthAccessToken, refreshToken, results) => {
       /**
       * your logic sits here
       **/
   })

3. _refreshToken

   You will be able to refresh the acces token with refresh token if you have offline_access in your token scope. You receive refresh token together with access token. Access token has short life span (30 min). You can use refresh token to get new access token by doing this you can have uniturupted access to access xero. Note: You will receive new access token and refresh token everytime your refresh the token

   parameters : refreshToken, callback

   callback parameters : err, oauthAccessToken, refreshToken, results

   oAuthXero._refreshToken(refreshToken, (err, oauthAccessToken, refreshToken, results) => {
       /**
       * your logic sits here
       **/
   })

4. _getTenants

   You need tenant id of your organization that you intend to GET/POST data.

   parameters : accessToken, callback

   callback parameters : err, data

   data contains array of organization list

   oAuthXero._getTenants(accessToken, (err, data) => {
       /**
       * your logic sits here
       **/
   })

5. _get

   get data from xero

   header options can be passed via options

   options = {
       'header' : {
              
       }
   }

   parameters : API type, endPoint, accessToken, tenant id, options, callback

   callback parameters : err, data, response

   API Type | Expected parameter to be passed ------------ | ------------- Accounting | accounts Payroll - Australia | payroll-au Payroll - NZ | payroll-nz Payroll - UK | payroll-uk Assets | assets Projects | projects Bank Feeds | bank feeds

   oAuthXero._get('payroll-au', `/Employees/${employeeId}`, accessToken, tenantId,options, (err, data, response) => {
       /**
       * your logic sits here
       **/
   })

6. _post

   post data to xero

   Since Xero havent release its version 2 of api for Payroll Australia, post data content type should be xml

   header options can be passed via options

   *content type is required property in the header section

   options = {
       'header' : {
           'Content-type' : 'application/xml'
       }
   }

   parameters : API type, endPoint, accessToken, xmlPostData, tenant id, options, callback

   callback parameters : err, data, response

   oAuthXero._post('payroll-au', `/Employees/${employeeId}`, xmlPostData, accessToken, tenantId, options, (err, data, response) => {
       /**
       * your logic sits here
       **/
   })

7. _disconnect

   disconnect from organization

   parameters : tenantId, callback

   callback parameters : err, data

   oAuthXero._disconnect(tenantId, (err, data)=>{
       /**
       * your logic sits here
       **/
   })

8. _revokeToken

   you can revoke token if you have ofline_acces in the scope/

   oAuthXero._revokeToken(refreshToken, (err, data)=>{
       /**
       * your logic sits here
       **/
   })

9. _postAttachment

   Attachment can be uploaded to xero using this method. more information follow the link.

   Endpoints that can be uploaded files

   Endpoint | value to be passed as a parameter ------------ | -------------
   Invoices | '/Invoices/{Guid}/Attachments/{Filename}?{other Options if exist}' Receipts | '/Receipts/{Guid}/Attachments/{Filename}?{other Options if exist}' Credit Notes | '/CreditNotes/{Guid}/Attachments/{Filename}?{other Options if exist}' Repeating Invoices | '/RepeatingInvoices/{Guid}/Attachments/{Filename}?{other Options if exist}' Bank Transactions | '/BankTransactions/{Guid}/Attachments/{Filename}?{other Options if exist}' Bank Transfers | '/BankTransfers/{Guid}/Attachments/{Filename}?{other Options if exist}' Contacts | '/Contacts/{Guid}/Attachments/{Filename}?{other Options if exist}' Accounts | '/Accounts/{Guid}/Attachments/{Filename}?{other Options if exist}' Manual Journals | '/ManualJournals/{Guid}/Attachments/{Filename}?{other Options if exist}' Purchase Orders | '/PurchaseOrders/{Guid}/Attachments/{Filename}?{other Options if exist}'

   header options can be passed via options

   *content type is required property in the header section

   options = { 'header' : { 'Content-type' : 'your file content type' } }

   parameters : endPoint, fileContent(Blob type), accessToken, tenantId, options, callback

   callback parameters : err, data, response

   oAuthXero._postAttachment(endPoint, fileContentType, fileContent, accessToken,  tenantId, options,(err,data, response)=>{
       /**
       * your logic sits here
       **/
   })

Notes

1. You have to revoke the token if you need to update the scope for the offline access token
2. You can refresh token even before the token expiry.