Allow creating budgets step by step

We introduce the first step (creating the budget).

Co-Authored-By: decabeza <alberto@decabeza.es>

app/controllers/admin/budgets_controller.rb

@@ -6,7 +6,7 @@ class Admin::BudgetsController < Admin::BaseController
 
   has_filters %w[all open finished], only: :index
 
-  before_action :load_budget, except: [:index, :new, :create]
+  before_action :load_budget, except: [:index]
   load_and_authorize_resource
 
   def index
@@ -17,9 +17,6 @@ class Admin::BudgetsController < Admin::BaseController
     render :edit
   end
 
-  def new
-  end
-
   def edit
   end
 
@@ -46,15 +43,6 @@ class Admin::BudgetsController < Admin::BaseController
     end
   end
 
-  def create
-    @budget = Budget.new(budget_params.merge(published: false))
-    if @budget.save
-      redirect_to edit_admin_budget_path(@budget), notice: t("admin.budgets.create.notice")
-    else
-      render :new
-    end
-  end
-
   def destroy
     if @budget.investments.any?
       redirect_to admin_budgets_path, alert: t("admin.budgets.destroy.unable_notice")

app/controllers/admin/budgets_wizard/budgets_controller.rb

@@ -0,0 +1,32 @@
+class Admin::BudgetsWizard::BudgetsController < Admin::BaseController
+  include Translatable
+  include FeatureFlags
+  feature_flag :budgets
+
+  load_and_authorize_resource
+
+  def new
+  end
+
+  def create
+    @budget.published = false
+
+    if @budget.save
+      redirect_to edit_admin_budget_path(@budget), notice: t("admin.budgets.create.notice")
+    else
+      render :new
+    end
+  end
+
+  private
+
+    def budget_params
+      params.require(:budget).permit(*allowed_params)
+    end
+
+    def allowed_params
+      valid_attributes = [:currency_symbol, :voting_style, administrator_ids: [], valuator_ids: []]
+
+      valid_attributes + [translation_params(Budget)]
+    end
+end