From: Anton Khorev <tony29@yandex.ru>
Date: Sun, 4 Aug 2024 15:46:25 +0000 (+0300)
Subject: Merge branch 'pull/5023'
X-Git-Tag: live~1018
X-Git-Url: https://git.openstreetmap.org/rails.git/commitdiff_plain/fa9654fe90bc3352f16bb2924191af2217a83663?hp=1e15b89f763d103cc33acbf5be21db912c080528

Merge branch 'pull/5023'
---

diff --git a/app/controllers/site_controller.rb b/app/controllers/site_controller.rb
index 5d63e79fd..58f0a11c9 100644
--- a/app/controllers/site_controller.rb
+++ b/app/controllers/site_controller.rb
@@ -138,7 +138,12 @@ class SiteController < ApplicationController
   end
 
   def preview
-    render :html => RichText.new(params[:type], params[:text]).to_html
+    if params[:text].blank?
+      flash.now[:warning] = t("layouts.nothing_to_preview")
+      render :partial => "layouts/flash"
+    else
+      render :html => RichText.new(params[:type], params[:text]).to_html
+    end
   end
 
   def id
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 278edf364..a69416337 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -1586,6 +1586,7 @@ en:
     tou: "Terms of Use"
     osm_offline: "The OpenStreetMap database is currently offline while essential database maintenance work is carried out."
     osm_read_only: "The OpenStreetMap database is currently in read-only mode while essential database maintenance work is carried out."
+    nothing_to_preview: "Nothing to preview."
     donate: "Support OpenStreetMap by %{link} to the Hardware Upgrade Fund."
     help: Help
     about: About