Make supplier signup working as expected

app/controllers/confirmations_controller.rb

@@ -1,4 +1,16 @@
 class ConfirmationsController < Devise::ConfirmationsController
+
+  # GET /resource/confirmation?confirmation_token=abcdef
+  # hack described by:
+  #   https://github.com/plataformatec/devise/pull/2728
+  # restore sign_in after confirmation behaviour. More unsafe, but
+  # customer satisfaction is dominant here
+  def show
+    super do |resource|
+      sign_in(resource_name, resource) if resource && resource.errors.empty?
+    end
+  end
+
   private
 
   def after_confirmation_path_for(resource_name, resource)

app/controllers/registrations_controller.rb

@@ -0,0 +1,9 @@
+class RegistrationsController < Devise::RegistrationsController
+
+  private
+
+  # override devise internal to allow name as sign_up param
+  def sign_up_params
+    params.require(resource_name).permit resource_class.authentication_keys + [:name, :password, :password_confirmation]
+  end
+end

app/models/supplier.rb

@@ -36,6 +36,7 @@ class Supplier
 
   validates :name, presence: true
   validates :iens_profile, numericality: {allow_blank: true}
+  validates :password, confirmation: true
 
   def location=(val)
     lat, lng = val.is_a?(Array) ? val : val.strip.split(/[ ,]+/).map(&:to_f)

app/views/suppliers/confirmations/new.html.erb

@@ -1,12 +0,0 @@
-<h2>Struur opnieuw bevestigingsinstructies</h2>
-
-<%= form_for(resource, :as => resource_name, :url => confirmation_path(resource_name), :html => { :method => :post }) do |f| %>
-  <%= devise_error_messages! %>
-
-  <div><%= f.label :email %><br />
-  <%= f.email_field :email %></div>
-
-  <div><%= f.submit "Stuur opnieuw bevestigingsinstructies" %></div>
-<% end %>
-
-<%= render "links" %>

app/views/suppliers/confirmations/new.html.slim

@@ -0,0 +1,12 @@
+h2= t('devise.confirmations.title')
+
+= form_for(resource, :as => resource_name, :url => confirmation_path(resource_name), html: { method: :post, class: 'form-horizontal' }) do |f|
+  = devise_error_messages!
+  .control-group
+    = f.label :email, class: 'control-label'
+    .controls
+      = f.email_field :email
+
+  .control-group
+    .controls= f.submit t('devise.confirmations.submit_text'), class: 'btn-primary'
+= render "links"