From 36e4cb430c45070e4184cc9d14d06f8692545f9e Mon Sep 17 00:00:00 2001
From: Jeremy Stretch <jeremy@netverity.dev>
Date: Thu, 4 Mar 2021 10:03:11 -0500
Subject: [PATCH] Provide per-line diff highlighting

---
 netbox/templates/extras/objectchange.html | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/netbox/templates/extras/objectchange.html b/netbox/templates/extras/objectchange.html
index 13d6b47d3..9dcd8c2ac 100644
--- a/netbox/templates/extras/objectchange.html
+++ b/netbox/templates/extras/objectchange.html
@@ -123,7 +123,14 @@
                     <strong>Pre-Change Data</strong>
                 </div>
                 <div class="panel-body">
-                    <pre>{{ object.prechange_data|render_json }}</pre>
+                  {% if object.prechange_data %}
+                    <pre>{% for k, v in object.prechange_data.items %}{% spaceless %}
+                      <span{% if k in diff_removed %} style="background-color: #ffdce0"{% endif %}>{{ k }}: {{ v|render_json }}</span>
+                    {% endspaceless %}
+{% endfor %}</pre>
+                  {% else %}
+                    <span class="text-muted">None</span>
+                  {% endif %}
                 </div>
             </div>
         </div>
@@ -133,7 +140,14 @@
                     <strong>Post-Change Data</strong>
                 </div>
                 <div class="panel-body">
-                    <pre>{{ object.postchange_data|render_json }}</pre>
+                  {% if object.postchange_data %}
+                    <pre>{% for k, v in object.postchange_data.items %}{% spaceless %}
+                        <span{% if k in diff_added %} style="background-color: #cdffd8"{% endif %}>{{ k }}: {{ v|render_json }}</span>
+                      {% endspaceless %}
+{% endfor %}</pre>
+                  {% else %}
+                    <span class="text-muted">None</span>
+                  {% endif %}
                 </div>
             </div>
         </div>