Nest API users under registrar in admin area

app/controllers/admin/api_users_controller.rb

@@ -2,7 +2,6 @@ module Admin
   class ApiUsersController < BaseController
     load_and_authorize_resource
     before_action :set_api_user, only: [:show, :edit, :update, :destroy]
-    before_action :find_registrar, only: %i[new create]
 
     def index
       @q = ApiUser.includes(:registrar).search(params[:q])
@@ -10,15 +9,15 @@ module Admin
     end
 
     def new
-      @api_user = ApiUser.new
+      @api_user = registrar.api_users.build
     end
 
     def create
-      @api_user = @registrar.api_users.build(api_user_params)
+      @api_user = registrar.api_users.build(api_user_params)
 
       if @api_user.save
         flash[:notice] = I18n.t('record_created')
-        redirect_to [:admin, @api_user]
+        redirect_to admin_registrar_api_user_path(@api_user.registrar, @api_user)
       else
         flash.now[:alert] = I18n.t('failed_to_create_record')
         render 'new'
@@ -38,7 +37,7 @@ module Admin
 
       if @api_user.update(api_user_params)
         flash[:notice] = I18n.t('record_updated')
-        redirect_to [:admin, @api_user]
+        redirect_to admin_registrar_api_user_path(@api_user.registrar, @api_user)
       else
         flash.now[:alert] = I18n.t('failed_to_update_record')
         render 'edit'
@@ -48,7 +47,7 @@ module Admin
     def destroy
       if @api_user.destroy
         flash[:notice] = I18n.t('record_deleted')
-        redirect_to admin_api_users_path
+        redirect_to admin_registrar_path(@api_user.registrar)
       else
         flash.now[:alert] = I18n.t('failed_to_delete_record')
         render 'show'
@@ -66,8 +65,8 @@ module Admin
                                        :identity_code, { roles: [] })
     end
 
-    def find_registrar
-      @registrar = Registrar.find(params[:registrar_id])
+    def registrar
+      Registrar.find(params[:registrar_id])
     end
   end
 end

app/controllers/admin/certificates_controller.rb

@@ -34,7 +34,7 @@ module Admin
 
       if @certificate.destroy
         flash[:notice] = I18n.t('record_deleted')
-        redirect_to admin_api_user_path(@api_user)
+        redirect_to admin_registrar_api_user_path(@api_user.registrar, @api_user)
       else
         flash.now[:alert] = I18n.t('failed_to_delete_record')
         render 'show'

app/views/admin/api_users/_form.haml

@@ -1,4 +1,4 @@
-= form_for([:admin, @registrar, @api_user], html: {class: 'form-horizontal', autocomplete: 'off'}) do |f|
+= form_for([:admin, @api_user.registrar, @api_user], html: {class: 'form-horizontal', autocomplete: 'off'}) do |f|
   = render 'shared/full_errors', object: @api_user
 
   .row

app/views/admin/api_users/edit.haml

@@ -1,5 +1,5 @@
 - content_for :actions do
-  = link_to(t(:back_to_api_user), [:admin, @api_user], class: 'btn btn-default')
+  = link_to(t(:back_to_api_user), admin_registrar_api_user_path(@api_user.registrar, @api_user), class: 'btn btn-default')
 = render 'shared/title', name: "#{t(:edit)}: #{@api_user.username}"
 
 = render 'form'

app/views/admin/api_users/index.haml

@@ -15,7 +15,7 @@
         %tbody
           - @api_users.each do |api_user|
             %tr
-              %td= link_to api_user, [:admin, api_user]
+              %td= link_to api_user, admin_registrar_api_user_path(api_user.registrar, api_user)
               %td= link_to api_user.registrar, [:admin, api_user.registrar]
               %td= api_user.active
 .row

app/views/admin/api_users/show.haml

@@ -1,6 +1,6 @@
 - content_for :actions do
-  = link_to(t(:edit), edit_admin_api_user_path(@api_user), class: 'btn btn-default')
-  = link_to(t(:delete), admin_api_user_path(@api_user),
+  = link_to(t(:edit), edit_admin_registrar_api_user_path(@api_user.registrar, @api_user), class: 'btn btn-default')
+  = link_to(t(:delete), admin_registrar_api_user_path(@api_user.registrar, @api_user),
     method: :delete, data: { confirm: t(:are_you_sure) }, class: 'btn btn-danger')
 = render 'shared/title', name: @api_user.username
 

app/views/admin/certificates/show.haml

@@ -20,7 +20,7 @@
       .panel-body
         %dl.dl-horizontal
           %dt= t(:api_user)
-          %dd= link_to(@certificate.api_user, [:admin, @api_user])
+          %dd= link_to(@certificate.api_user, [:admin, @api_user.registrar, @api_user])
 
           %dt= t(:common_name)
           %dd= @certificate.common_name