From 6481a409993fd8a480e174a9a7d7f696cc0c13a2 Mon Sep 17 00:00:00 2001
From: Faseela K <faseela.k@est.tech>
Date: Mon, 19 Dec 2022 23:59:23 +0100
Subject: [PATCH] Add warning banner for older blog posts (#12366)

Signed-off-by: Faseela K <faseela.k@est.tech>

Signed-off-by: Faseela K <faseela.k@est.tech>
---
 layouts/blog/single.html | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/layouts/blog/single.html b/layouts/blog/single.html
index 1819873d5e..df39421312 100644
--- a/layouts/blog/single.html
+++ b/layouts/blog/single.html
@@ -5,6 +5,30 @@
         <p>{{ .Params.description }}</p>
       </div>
       <p class="post-author">{{ (.Params.publishdate).Format "Jan 2, 2006" }} <span> | </span> By {{ replace (replace .Params.attribution "(" "- ") ")" "" }}</p>
+      {{ if .Page.Params.target_release }}
+          {{ $page_parts := split .Page.Params.target_release "." }}
+          {{ $page_version := int (index $page_parts 0) }}
+          {{ $page_revision := int (index $page_parts 1) }}
+          {{ $page_normalized_version := add (add (mul $page_version 1000000) (mul $page_revision 1000)) 0 }}
+
+          {{ $site_parts := split .Site.Data.args.version "." }}
+          {{ $site_version := int (index $site_parts 0) }}
+          {{ $site_revision := int (index $site_parts 1) }}
+          {{ $site_normalized_version := add (add (mul $site_version 1000000) (mul $site_revision 1000)) 0 }}
+
+          {{ if gt $site_normalized_version $page_normalized_version }}
+              <div>
+                  <aside class="callout warning">
+                      <div class="type">
+                          {{- partial "large_icon.html" "callout-warning" -}}
+                      </div>
+                      <div class="content">
+                          {{ printf (i18n "target_release") .Page.Params.target_release }}
+                      </div>
+                  </aside>
+              </div>
+          {{ end }}
+      {{ end }}
       <div>
         {{ .Content }}
       </div>