feat: Add support to override indigo footer

Add support to override indigo footer using plugin slot.
Related conversation: #181 (comment).

Author: Muhammad Faraz Maqsood

changelog.d/20260211_191802_faraz.maqsood_add_support_to_override_indigo_footer_without_any_error.md

@@ -0,0 +1,2 @@
+- [Enhancement] Add support to override indigo footer using plugin slot. (by @Faraz32123)
+  Related conversation: https://github.com/overhangio/tutor-indigo/pull/181#issuecomment-3834617842.

tutorindigo/patches/mfe-env-config-runtime-final

@@ -0,0 +1,16 @@
+
+if (config.pluginSlots && config.pluginSlots['org.openedx.frontend.layout.footer.v1']) {
+  const footerPluginsToInsert =
+    config.pluginSlots['org.openedx.frontend.layout.footer.v1'].plugins.filter(plugin => plugin.op === 'insert');
+
+  if (footerPluginsToInsert.length > 2) {
+  config.pluginSlots['org.openedx.frontend.layout.footer.v1'].plugins =
+    config.pluginSlots['org.openedx.frontend.layout.footer.v1'].plugins.filter(plugin => {
+      if (plugin.op === 'insert') {
+        const widgetId = plugin.widget?.id;
+        return widgetId !== 'indigo_footer';
+      }
+      return true;
+    });
+  }
+}

tutorindigo/plugin.py

@@ -201,7 +201,7 @@ def _override_openedx_docker_image(
             {
                 op: PLUGIN_OPERATIONS.Insert,
                 widget: {
-                    id: 'custom_footer',
+                    id: 'indigo_footer',
                     type: DIRECT_PLUGIN,
                     priority: 1,
                     RenderWidget: IndigoFooter,