app/controllers/landable/api_controller.rb in landable-1.11.1 vs app/controllers/landable/api_controller.rb in landable-1.12.1

@@ -62,9 +62,30 @@
 
     def require_author!
       head :unauthorized if current_author.nil?
     end
 
+    def with_format(format, &block)
+      old_formats = formats
+
+      begin
+        self.formats = [format]
+        return block.call
+      ensure
+        self.formats = old_formats
+      end
+    end
+
+    def generate_preview_for(page)
+      if layout = page.theme.try(:file) || false
+        with_format(:html) do
+          render_to_string text: RenderService.call(page), layout: layout
+        end
+      else
+        RenderService.call(page, preview: true)
+      end
+    end
+
     def current_author
       return @current_author if @current_author
       authenticate_with_http_basic do |username, token|
         @current_author = Author.authenticate!(username, token)
       end