Introduce new Bambora::Credentials class (#51)

* Introduce new Bambora::Credentials class

* Use default bundler in Github Actions instead of manual install

.github/workflows/linter.yml

@@ -18,9 +18,7 @@ jobs:
           ${{ runner.os }}-gem-
     - name: Setup ruby
       uses: ruby/setup-ruby@v1
-    - run: |
-        gem install bundler
-        bundle config path vendor/bundle
-        bundle install --jobs 4 --retry 3
+    - name: Install dependencies
+      run: bundle install
     - name: Rubocop checks
       run: bundle exec rubocop

.github/workflows/ruby.yml

@@ -25,10 +25,8 @@ jobs:
         uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.ruby }}
-      - run: |
-          gem install bundler
-          bundle config path vendor/bundle
-          bundle install --jobs 4 --retry 3
+      - name: Install dependencies
+        run: bundle install
       - name: Run Tests
         run: |
           bundle exec rake spec

lib/bambora/client.rb

@@ -12,6 +12,7 @@
 require 'multiparty' # Multipart/mixed requests
 
 require 'bambora/client/version'
+require 'bambora/credentials'
 
 # Adapters
 require 'bambora/adapters/response'

lib/bambora/credentials.rb

@@ -0,0 +1,12 @@
+# frozen_string_literal: true
+
+module Bambora
+  class Credentials
+    attr_reader :merchant_id, :reporting_passcode
+
+    def initialize(options = {})
+      @merchant_id = options[:merchant_id]
+      @reporting_passcode = options[:reporting_passcode]
+    end
+  end
+end