Add deposits controller

app/controllers/registrar/deposits_controller.rb

@@ -0,0 +1,26 @@
+class Registrar::DepositsController < RegistrarController
+  authorize_resource class: false
+
+  def new
+    @deposit = Deposit.new
+  end
+
+  def create
+    @deposit = Deposit.new(deposit_params.merge(registrar: current_user.registrar))
+    @invoice = @deposit.issue_prepayment_invoice
+
+    if @invoice
+      flash[:notice] = t('please_pay_the_following_invoice')
+      redirect_to [:registrar, @invoice]
+    else
+      flash[:alert] = t('failed_to_create_record')
+      render 'new'
+    end
+  end
+
+  private
+
+  def deposit_params
+    params.require(:deposit).permit(:amount, :description)
+  end
+end