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MyJohnDeere allows you to access your John Deere Financial account, JDLink, Operations Center and many other applications from one convenient place. This Ruby Gem is provided as a convenient way to access their API.
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 Dependencies

Runtime

>= 0.5.3, ~> 0.5
 Project Readme

MyJohnDeere/Operations Center API Library

The MyJohnDeere Ruby library provides convenient access to the MyJohnDeere and various Operations Center API from applications written in the Ruby language. It includes a pre-defined set of classes for API resources that are available currently from the API. You will need to get access by going to the John Deere Developer page. The interface utilizes OAUTH 1.0.

Installation

You don't need this source code unless you want to modify the gem. If you just want to use the package, just run:

gem install myjohndeere

If you want to build the gem from source:

gem build myjohndeere.gemspec

Usage

Configuration

The library needs to be configured with your MyJohnDeere account's shared secret & app id. These will be available on the developer page at John Deere.

require "myjohndeere"

MyJohnDeere.configure do |config|
  config.environment = :sandbox # :production is the other option
  config.shared_secret = "...."
  config.app_id = "johndeere-...."
  # config.contribution_definition_id = "...." # not required for all requests
  #config.log_level = :info
end

The contribution_definition_id is used for a subset of requests, usually when you are adding resources to a map or otherwise. You can get this by contacting JohnDeere Dev Support An error will be raised if this is missing for a certain request.

Get an Access Token

NOTE: These expire after one year

Access Token from Request Token

If you are beginning from scratch then you'll be starting with a request token and the request token secret. To do this:

request_token = MyJohnDeere::AccessToken.get_request_token()
puts "Now visit the #{request_token.authorize_url}"
puts "Use the #{request_token.secret} and #{request_token.token} when creating the "
puts "access token along with the verifier code from the browser"

Then later:

access_token = MyJohnDeere::AccessToken.new(request_token_token: "....", 
    request_token_secret: "....",
    verifier_code: "....")
 # You'll now have the oauth access tokens
puts access_token.token
puts access_token.secret

Access Token from Existing OAuth Token

If you've already gone through the effort to get your OAuth access token, then you can do:

access_token = MyJohnDeere::AccessToken.new(
      oauth_access_token_token: "....",
      oauth_access_token_secret: "....",
    )

Getting Objects

Assuming you've created a MyJohnDeere::AccessToken using something from above, then you can do:

organizations = MyJohnDeere::Organization.list(access_token)

loop do
  organizations.each do |organization|
      puts organization.fields.data
  end

  break if !organizations.has_more?
  organizations.next_page!
end

Listable Objects

MyJohnDeere returns either pages of objects that will automatically be iterated through 10 at a time or you'll receive the entirety of the resource if you specify an ETAG token. The default behavior is for pagination.

If using the paginated approach: Use more_pages? on the listable object to see if there are more pages to be acquired by using next_page!. This will modify the .start and .count values on the list object. These automatically increase with each next_page.

If using the ETAG approach: The entirety of the data set will be returned to you and on the list object you'll want to call list.etag and store this locally. You can then use this on future requests to see if anything has changed from the original request. To use it: MyJohnDeere::Organization.list(access_token, etag: '')

If you for some reason specify both, the ETAG will be the assumed behavior.

The raw data can be acquired by using .data on a listable object.

Development

Run all tests:

bundle exec rake

Run a single test suite:

bundle exec ruby -Ilib/ test/myjohndeere_test.rb

Run a single test:

bundle exec ruby -Ilib/ test/myjohndeere_test.rb -n /some_test/

Disclaimer

This Gem is in no way associated with John Deere, and they are in no way associated with it's support, maintenance, or updates.