Add moderator role and add pundit policies for admin actions (#5635)

* Add moderator role and add pundit policies for admin actions

* Add rake task for turning user into mod and revoking it again

* Fix handling of unauthorized exception

* Deliver new report e-mails to staff, not just admins

* Add promote/demote to admin UI, hide some actions conditionally

* Fix unused i18n

1 files changed, 11 insertions, 6 deletions

diff --git a/app/controllers/admin/statuses_controller.rb b/app/controllers/admin/statuses_controller.rb
index b05000b16..b54a9b824 100644
--- a/app/controllers/admin/statuses_controller.rb
+++ b/app/controllers/admin/statuses_controller.rb
@@ -2,8 +2,6 @@
 
 module Admin
   class StatusesController < BaseController
-    include Authorization
-
     helper_method :current_params
 
     before_action :set_account
@@ -12,24 +10,30 @@ module Admin
     PER_PAGE = 20
 
     def index
+      authorize :status, :index?
+
       @statuses = @account.statuses
+
       if params[:media]
         account_media_status_ids = @account.media_attachments.attached.reorder(nil).select(:status_id).distinct
         @statuses.merge!(Status.where(id: account_media_status_ids))
       end
-      @statuses = @statuses.preload(:media_attachments, :mentions).page(params[:page]).per(PER_PAGE)
 
-      @form = Form::StatusBatch.new
+      @statuses = @statuses.preload(:media_attachments, :mentions).page(params[:page]).per(PER_PAGE)
+      @form     = Form::StatusBatch.new
     end
 
     def create
-      @form = Form::StatusBatch.new(form_status_batch_params)
-      flash[:alert] = t('admin.statuses.failed_to_execute') unless @form.save
+      authorize :status, :update?
+
+      @form         = Form::StatusBatch.new(form_status_batch_params)
+      flash[:alert] = I18n.t('admin.statuses.failed_to_execute') unless @form.save
 
       redirect_to admin_account_statuses_path(@account.id, current_params)
     end
 
     def update
+      authorize @status, :update?
       @status.update(status_params)
       redirect_to admin_account_statuses_path(@account.id, current_params)
     end
@@ -60,6 +64,7 @@ module Admin
 
     def current_params
       page = (params[:page] || 1).to_i
+
       {
         media: params[:media],
         page: page > 1 && page,