* Use Faraday 2 gem

* Replace custom Faraday GZip implementation with `faraday-gzip` gem

Credit goes to [Zachary Jones/Zajn](https://github.com/Zajn)
Original [PR ruckus#58](ruckus#578)

lib/quickbooks-ruby.rb

@@ -8,12 +8,13 @@
 require 'forwardable'
 require 'oauth2'
 require 'net/http/post/multipart'
+require 'faraday/multipart'
+require 'faraday/gzip'
 require 'quickbooks/util/collection'
 require 'quickbooks/util/logging'
 require 'quickbooks/util/http_encoding_helper'
 require 'quickbooks/util/name_entity'
 require 'quickbooks/util/query_builder'
-require 'quickbooks/faraday/middleware/gzip'
 
 #== OAuth Responses
 require 'quickbooks/service/responses/oauth_http_response'
@@ -187,9 +188,6 @@
 require 'quickbooks/service/change_data_capture'
 require 'quickbooks/service/refund_receipt_change'
 
-# Register Faraday Middleware
-Faraday::Middleware.register_middleware :gzip => lambda { Gzip }
-
 module Quickbooks
   @@sandbox_mode = false
   @@logger = nil

lib/quickbooks/service/access_token.rb

@@ -22,7 +22,7 @@ def renew
       def disconnect
         connection = Faraday.new(headers: { 'Content-Type' => 'application/json' }) do |f|
           f.adapter(::Quickbooks.http_adapter)
-          f.basic_auth(oauth.client.id, oauth.client.secret)
+          f.request(:authorization, :basic, oauth.client.id, oauth.client.secret)
         end
 
         url = "#{DISCONNECT_URL}?minorversion=#{Quickbooks.minorversion}"

lib/quickbooks/service/base_service.rb

@@ -49,12 +49,11 @@ def realm_id=(company_id)
       # [OAuth2] The default Faraday connection does not have gzip or multipart support.
       # We need to reset the existing connection and build a new one.
       def rebuild_connection!
-        @oauth.client.connection = nil
-        @oauth.client.connection.build do |builder|
-          builder.use :gzip
-          builder.request :multipart
-          builder.request :url_encoded
-          builder.adapter ::Quickbooks.http_adapter
+        @oauth.client.connection = Faraday.new do |f|
+          f.request :multipart
+          f.request :gzip
+          f.request :url_encoded
+          f.adapter ::Quickbooks.http_adapter
         end
       end
 

quickbooks-ruby.gemspec

@@ -22,7 +22,9 @@ Gem::Specification.new do |gem|
   gem.add_dependency 'net-http-persistent'
   gem.add_dependency 'nokogiri'  # promiscuous mode
   gem.add_dependency 'multipart-post' # promiscuous mode
-  gem.add_dependency 'faraday', '< 2.0'
+  gem.add_dependency 'faraday', '< 3.0'
+  gem.add_dependency 'faraday-multipart', '~> 1.0'
+  gem.add_dependency 'faraday-gzip', '~> 0.1'
 
   gem.add_development_dependency 'rake'
   gem.add_development_dependency 'simplecov'

spec/lib/quickbooks/model/account_spec.rb

@@ -18,7 +18,6 @@
 
     account.name = "Regular"
     account.valid?
-    pp account.errors
     expect(account.errors.map(&:attribute).include?(:name)).to be false
   end