Add resource definitions for all 22 API tags, wire client accessors and require tree

lib/fiken/resources/order_confirmations.rb

@@ -0,0 +1,26 @@
+# frozen_string_literal: true
+
+module Fiken
+  module Resources
+    # /companies/{slug}/orderConfirmations
+    class OrderConfirmations < Resource::Base
+      include Resource::Listable
+      include Resource::Findable
+      include Resource::HasCounter
+      include Resource::Draftable
+
+      def resource_path
+        "orderConfirmations"
+      end
+
+      def draft_create_action
+        "createOrderConfirmation"
+      end
+
+      # POST /{id}/createInvoiceDraft — turn a confirmation into an invoice draft.
+      def create_invoice_draft(confirmation_id)
+        post_create("#{base_path}/#{confirmation_id}/createInvoiceDraft", nil)
+      end
+    end
+  end
+end