Merge pull request #3372 from Katee/show-min-password-length-on-edit-password

Show minimum password length on edit password

app/controllers/devise/passwords_controller.rb

@@ -23,6 +23,7 @@ class Devise::PasswordsController < DeviseController
   # GET /resource/password/edit?reset_password_token=abcdef
   def edit
     self.resource = resource_class.new
+    set_minimum_password_length
     resource.reset_password_token = params[:reset_password_token]
   end
 

app/controllers/devise/registrations_controller.rb

@@ -5,10 +5,7 @@ class Devise::RegistrationsController < DeviseController
   # GET /resource/sign_up
   def new
     build_resource({})
-    @validatable = devise_mapping.validatable?
-    if @validatable
-      @minimum_password_length = resource_class.password_length.min
-    end
+    set_minimum_password_length
     yield resource if block_given?
     respond_with self.resource
   end
@@ -31,10 +28,7 @@ class Devise::RegistrationsController < DeviseController
       end
     else
       clean_up_passwords resource
-      @validatable = devise_mapping.validatable?
-      if @validatable
-        @minimum_password_length = resource_class.password_length.min
-      end
+      set_minimum_password_length
       respond_with resource
     end
   end

app/controllers/devise_controller.rb

@@ -154,6 +154,14 @@ MESSAGE
     end
   end
 
+  # Sets minimum password length to show to user
+  def set_minimum_password_length
+    @validatable = devise_mapping.validatable?
+    if @validatable
+      @minimum_password_length = resource_class.password_length.min
+    end
+  end
+
   def devise_i18n_options(options)
     options
   end

app/views/devise/passwords/edit.html.erb

@@ -6,6 +6,9 @@
 
   <div class="field">
     <%= f.label :password, "New password" %><br />
+    <% if @validatable %>
+    <em>(<%= @minimum_password_length %> characters minimum)</em>
+    <% end %><br />
     <%= f.password_field :password, autofocus: true, autocomplete: "off" %>
   </div>
 

lib/generators/templates/simple_form_for/passwords/edit.html.erb

@@ -7,7 +7,7 @@
   <%= f.full_error :reset_password_token %>
 
   <div class="form-inputs">
-    <%= f.input :password, label: "New password", required: true, autofocus: true %>
+    <%= f.input :password, label: "New password", required: true, autofocus: true, hint: ("#{@minimum_password_length} characters minimum" if @validatable) %>
     <%= f.input :password_confirmation, label: "Confirm your new password", required: true %>
   </div>