Storefront account create

config/routes.rb

@@ -44,4 +44,12 @@
       get '/logout' => 'user_sessions#destroy', :as => :logout
     end
   end
+
+  namespace :api, defaults: { format: 'json' } do
+    namespace :v2 do
+      namespace :storefront do
+        resource :account, controller: :account, only: %i[show create]
+      end
+    end
+  end
 end

lib/controllers/frontend/spree/api/v2/storefront/account_controller_decorator.rb

@@ -0,0 +1,46 @@
+module Spree
+  module Api
+    module V2
+      module Storefront
+        module AccountControllerDecorator
+          def self.prepended(base)
+            base.skip_before_action :require_spree_current_user, only: [:create]
+          end
+
+          def create
+            user = Spree.user_class.new(spree_user_params)
+            if user.save
+              render_serialized_payload { serialize_resource(user) }
+            else
+              render_error_payload(structed_error(user.errors))
+            end
+          end
+
+          def spree_user_params
+            params.require(:user).permit(Spree::PermittedAttributes.user_attributes)
+          end
+
+          def structed_error(error)
+            struct_error = Struct.new(:error) do
+              def to_s
+                return error.full_messages.join(', ') if error&.respond_to?(:full_messages)
+
+                value.to_s
+              end
+
+              def to_h
+                return error.messages if error&.respond_to?(:messages)
+
+                {}
+              end
+            end
+
+            struct_error.new(error)
+          end
+        end
+      end
+    end
+  end
+end
+
+::Spree::Api::V2::Storefront::AccountController.prepend(Spree::Api::V2::Storefront::AccountControllerDecorator)

lib/spree/auth/engine.rb

@@ -42,7 +42,7 @@ def self.activate
             'lib/assets/javascripts/spree/frontend/spree_auth.js',
             'lib/assets/javascripts/spree/frontend/spree_auth.css'
           ]
-          Dir.glob(File.join(File.dirname(__FILE__), "../../controllers/frontend/*/*_decorator*.rb")) do |c|
+          Dir.glob(File.join(File.dirname(__FILE__), "../../controllers/frontend/**/*_decorator*.rb")) do |c|
             Rails.configuration.cache_classes ? require(c) : load(c)
           end
         end

spec/requests/spree/api/v2/storefront/account_spec.rb

@@ -0,0 +1,42 @@
+require 'spec_helper'
+
+describe 'Storefront API v2 Account spec', type: :request do
+  describe 'account#create' do
+    before { post '/api/v2/storefront/account', params: params }
+
+    context 'valid user params' do
+      let(:params) do
+        {
+          "user": {
+            "email": "[email protected]",
+            "password": "password123",
+            "password_confirmation": "password123"
+          }
+        }
+      end
+
+      it_behaves_like 'returns 200 HTTP status'
+
+      it 'return JSON API payload of User' do
+        expect(JSON.parse(response.body)['data']['attributes']['email']).to eq('[email protected]')
+      end
+    end
+
+    context 'invalid user params' do
+      let(:params) do
+        {
+          "user": {
+            "email": "[email protected]",
+            "password": "password123",
+            "password_confirmation": ""
+          }
+        }
+      end
+
+      it 'return JSON API payload of error' do
+        expect(JSON.parse(response.body)['error']).to eq("Password Confirmation doesn't match Password")
+      end
+    end
+
+  end
+end