Add generic xref controllers and templates to liberty

Moves add/edit xref pages out of stock into liberty so any content type
can use them. list_xref.tpl uses hasUpdatePermission() instead of a
stock-specific permission check.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

1 files changed, 49 insertions, 0 deletions

diff --git a/edit_xref.php b/edit_xref.php
new file mode 100644
index 0000000..323b4db
--- /dev/null
+++ b/edit_xref.php
@@ -0,0 +1,49 @@
+<?php
+/**
+ * @package liberty
+ * @subpackage functions
+ */
+
+namespace Bitweaver\Liberty;
+
+require_once '../kernel/includes/setup_inc.php';
+
+global $gBitSystem, $gBitSmarty, $gBitUser, $gContent;
+
+if( empty( $_REQUEST['content_id'] ) || !is_numeric( $_REQUEST['content_id'] ) ) {
+	$gBitSystem->fatalError( 'No content ID specified.' );
+}
+
+$gContent = LibertyContent::getLibertyObject( (int)$_REQUEST['content_id'] );
+
+if( !$gContent || !$gContent->isValid() ) {
+	$gBitSystem->fatalError( 'Content not found.' );
+}
+
+if( !empty( $_REQUEST['xref_id'] ) ) {
+	$gContent->loadXref( $_REQUEST['xref_id'] );
+}
+
+$gContent->verifyUpdatePermission();
+
+if( !empty( $_REQUEST['fCancel'] ) ) {
+	header( 'Location: '.$gContent->getDisplayUrl() );
+	die;
+}
+
+if( !empty( $_REQUEST['fSaveXref'] ) ) {
+	if( $gContent->storeXref( $_REQUEST ) ) {
+		header( 'Location: '.$gContent->getDisplayUrl() );
+		die;
+	}
+	$xrefInfo = $_REQUEST;
+	$xrefInfo['data'] = $_REQUEST['edit'] ?? '';
+} else {
+	$xrefInfo = $gContent->mInfo['xref_store']['data'] ?? [];
+}
+
+$gBitSmarty->assign( 'gContent', $gContent );
+$gBitSmarty->assign( 'xrefInfo', $xrefInfo );
+$gBitSmarty->assign( 'errors', $gContent->mErrors );
+
+$gBitSystem->display( 'bitpackage:liberty/edit_xref.tpl', 'Edit Detail', [ 'display_mode' => 'edit' ] );