From d1cf47c8c60e4d59d6f5e78af3bd7827196e3c24 Mon Sep 17 00:00:00 2001
From: Makurin <dmitry.makurin@red-soft.ru>
Date: Tue, 8 Nov 2022 13:21:51 +0300
Subject: [PATCH] WikiController raises a `undefined method
 `custom_workflow_messages' for #<WikiContentVersion:0x00007f7b45c567d8>`
 error if `@content` assigned to the WikiContentVersion. Since plugin doesn't
 support WikiContentVersion just skip it.

---
 .../patches/controllers/wiki_controller_patch.rb              | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/redmine_custom_workflows/patches/controllers/wiki_controller_patch.rb b/lib/redmine_custom_workflows/patches/controllers/wiki_controller_patch.rb
index be52329..62dea0f 100644
--- a/lib/redmine_custom_workflows/patches/controllers/wiki_controller_patch.rb
+++ b/lib/redmine_custom_workflows/patches/controllers/wiki_controller_patch.rb
@@ -73,7 +73,9 @@ module RedmineCustomWorkflows
           elsif @page
             objects = [@page]
           end
-          if @content
+          # @content either WikiContent or WikiContentVersion
+          # but plugin does not patch nor work with WikiContentVersion
+          if @content.is_a? WikiContent
             objects ||= []
             objects << @content
           end