From c2f8d4987664bf59c02171c18770d55638e1ea6d Mon Sep 17 00:00:00 2001
From: Christian Beeznest <christian.fasanando@beeznest.com>
Date: Mon, 26 Jan 2026 15:06:58 -0500
Subject: [PATCH] Session: Enable session duplication with session-specific
 content - refs BT#22254

---
 public/main/inc/lib/course.lib.php            | 76 +++++++++++++++----
 public/main/session/session_list.php          | 22 +++++-
 .../Component/CourseCopy/CourseBuilder.php    |  5 +-
 3 files changed, 82 insertions(+), 21 deletions(-)

diff --git a/public/main/inc/lib/course.lib.php b/public/main/inc/lib/course.lib.php
index 9574277da02..d16fdddbb76 100644
--- a/public/main/inc/lib/course.lib.php
+++ b/public/main/inc/lib/course.lib.php
@@ -4375,25 +4375,69 @@ public static function copy_course(
         bool $withBaseContent = true,
         bool $copySessionContent = false
     ) {
-        $course_info = api_get_course_info($source_course_code);
-
-        if (!empty($course_info)) {
-            $cb = new CourseBuilder('', $course_info);
-            $course = $cb->build($source_session_id, $source_course_code, $withBaseContent);
-            $restorer = new CourseRestorer($course);
-            $restorer->copySessionContent = $copySessionContent;
-            $restorer->skip_content = $params;
-            $restorer->restore(
-                $destination_course_code,
-                $destination_session_id,
-                true,
-                $withBaseContent
-            );
+        $courseInfo = api_get_course_info($source_course_code);
 
-            return true;
+        if (empty($courseInfo)) {
+            return false;
         }
 
-        return false;
+        $source_session_id = (int) $source_session_id;
+        $destination_session_id = (int) $destination_session_id;
+
+        if (!is_array($params)) {
+            $params = [];
+        }
+
+        // If there is no valid session on source or destination, session content copy does not make sense.
+        if ($source_session_id <= 0 || $destination_session_id <= 0) {
+            $copySessionContent = false;
+        }
+
+        try {
+            // Copy base content (course-wide) into destination course base (session 0).
+            if ($withBaseContent) {
+                $cb = new CourseBuilder('', $courseInfo);
+
+                // Build only base content snapshot (session 0).
+                $baseCourse = $cb->build(0, $source_course_code, true);
+
+                $baseRestorer = new CourseRestorer($baseCourse);
+                $baseRestorer->copySessionContent = false;
+                $baseRestorer->skip_content = $params;
+
+                // Restore into destination base (session 0).
+                $baseRestorer->restore(
+                    $destination_course_code,
+                    0,
+                    true,
+                    true
+                );
+            }
+
+            // Copy session-specific content into destination session.
+            if ($copySessionContent) {
+                $cb = new CourseBuilder('', $courseInfo);
+
+                // Build only session content snapshot (no base to avoid duplicates).
+                $sessionCourse = $cb->build($source_session_id, $source_course_code, false);
+
+                $sessionRestorer = new CourseRestorer($sessionCourse);
+                $sessionRestorer->copySessionContent = true;
+                $sessionRestorer->skip_content = $params;
+
+                // Restore into destination session (no base).
+                $sessionRestorer->restore(
+                    $destination_course_code,
+                    $destination_session_id,
+                    true,
+                    false
+                );
+            }
+
+            return true;
+        } catch (\Throwable $e) {
+            return false;
+        }
     }
 
     /**
diff --git a/public/main/session/session_list.php b/public/main/session/session_list.php
index cbe991680a6..07355c0c4e2 100644
--- a/public/main/session/session_list.php
+++ b/public/main/session/session_list.php
@@ -158,6 +158,18 @@
 #session-table #gview_sessions .ui-jqgrid-pager {
   width: 100% !important;
 }
+#sessions_pager .ui-pg-button.ui-state-hover .ch-tool-icon,
+#sessions_pager .ui-pg-button:hover .ch-tool-icon,
+#sessions_pager .ui-pg-button.ui-state-hover .mdi,
+#sessions_pager .ui-pg-button:hover .mdi {
+  color: #fff !important;
+  -webkit-text-fill-color: #fff !important;
+}
+#sessions_pager .ui-pg-button.ui-state-hover svg,
+#sessions_pager .ui-pg-button:hover svg {
+  fill: #fff !important;
+  stroke: #fff !important;
+}
 </style>
 <script>
 $(function() {
@@ -268,7 +280,9 @@
 // Optional action: copy with session content
 $copyWithContentJs = '';
 if ($addSessionContent) {
-    $iconCopyWithContent = addslashes(Display::return_icon('copy.png', get_lang('Copy with session content')));
+    $iconCopyWithContent = addslashes(
+        Display::getMdiIcon('content-duplicate', 'ch-tool-icon', null, 22, get_lang('Copy with session content'))
+    );
     $copyWithContentJs =
         " + '&nbsp;<a onclick=\"if(!confirm(\\'{$confirmMsg}\\')) return false;\""
         ." href=\"session_list.php?copy_session_content=1&list_type={$listType}&action=copy&idChecked=' + options.rowId + '\">"
@@ -552,7 +566,7 @@ function resizeSessionsGrid() {
                 {reloadAfterSubmit:true, url: '<?php echo $deleteUrl; ?>' }, // del options
                 prmSearch
             ).navButtonAdd('#sessions_pager',{
-                caption:"<?php echo addslashes(Display::return_icon('copy.png', get_lang('Copy'))); ?>",
+                caption:"<?php echo addslashes(Display::getMdiIcon('content-duplicate', 'ch-tool-icon', null, 22, get_lang('Copy'))); ?>",
                 buttonicon:"ui-icon ui-icon-plus",
                 onClickButton: function(a) {
                     var list = $("#sessions").jqGrid('getGridParam', 'selarrrow');
@@ -563,7 +577,7 @@ function resizeSessionsGrid() {
                     }
                 }
             }).navButtonAdd('#sessions_pager',{
-                caption:"<?php echo addslashes(Display::return_icon('save_pack.png', get_lang('Courses reports'))); ?>",
+                caption:"<?php echo addslashes(Display::getMdiIcon('archive-arrow-down', 'ch-tool-icon', null, 22, get_lang('Courses reports'))); ?>",
                 buttonicon:"ui-icon ui-icon-plus",
                 onClickButton: function(a) {
                     var list = $("#sessions").jqGrid('getGridParam', 'selarrrow');
@@ -575,7 +589,7 @@ function resizeSessionsGrid() {
                 },
                 position:"last"
             }).navButtonAdd("#sessions_pager",{
-                caption:"<?php echo addslashes(Display::return_icon('export_csv.png', get_lang('Export courses reports complete'))); ?>",
+                caption:"<?php echo addslashes(Display::getMdiIcon('file-delimited-outline', 'ch-tool-icon', null, 22, get_lang('Export courses reports complete'))); ?>",
                 buttonicon:"ui-icon ui-icon-plus",
                 onClickButton: function(a) {
                     var list = $("#sessions").jqGrid("getGridParam", "selarrrow");
diff --git a/src/CourseBundle/Component/CourseCopy/CourseBuilder.php b/src/CourseBundle/Component/CourseCopy/CourseBuilder.php
index 1319bc9766b..51b290cfd68 100644
--- a/src/CourseBundle/Component/CourseCopy/CourseBuilder.php
+++ b/src/CourseBundle/Component/CourseCopy/CourseBuilder.php
@@ -611,7 +611,10 @@ public function build(
 
         // Always try to include documents referenced inside HTML (images, attachments, etc.).
         if ($courseEntity instanceof CourseEntity) {
-            $this->restoreDocumentsFromList($courseEntity, $sessionEntity);
+            // Avoid pulling base documents into a session-only build (prevents duplicates on two-pass copy).
+            if ($withBaseContent || null === $sessionEntity) {
+                $this->restoreDocumentsFromList($courseEntity, $sessionEntity);
+            }
         }
 
         return $this->course;