From e0c709ad5c67d55a50b88d7ad46ce3fe855c5b28 Mon Sep 17 00:00:00 2001
From: gouki <gouki@neatcn.com>
Date: Mon, 7 Sep 2026 19:55:19 +0000
Subject: [PATCH] fix(import): null out orphan category references (FK safe)

---
 app/Console/Commands/SablogImport.php | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/app/Console/Commands/SablogImport.php b/app/Console/Commands/SablogImport.php
index a49f1e5..ff1a0dd 100644
--- a/app/Console/Commands/SablogImport.php
+++ b/app/Console/Commands/SablogImport.php
@@ -254,8 +254,14 @@ class SablogImport extends Command
             $status = (int) $row['visible'] === 1 ? 'published' : 'draft';
             $dateline = ($ts = (int) $row['dateline']) > 0 ? date('Y-m-d H:i:s', $ts) : now()->toDateTimeString();
 
+            // 老库存在已删除分类的孤儿文章；目标列可空，置 null
+            $categoryId = (int) $row['cid'] ?: null;
+            if ($categoryId !== null && ! DB::table('categories')->where('id', $categoryId)->exists()) {
+                $categoryId = null;
+            }
+
             DB::table('posts')->updateOrInsert(['id' => (int) $row['articleid']], [
-                'category_id' => (int) $row['cid'] ?: null,
+                'category_id' => $categoryId,
                 'user_id' => (int) $row['uid'] ?: null,
                 'title' => $row['title'],
                 'slug' => $slug,