1

application/api/controller/Preaccept.php

@@ -1131,6 +1131,9 @@ class Preaccept extends Base
             return jsonError($rule->getError());
         }
         $am_info = $this->article_main_obj->where("am_id",$data['am_id'])->find();
+        $old_content = $am_info['content'];
+        $new_raw_content = isset($data['content']) ? (string)$data['content'] : '';
+
         $insert['article_id'] = $am_info['article_id'];
         $insert['am_id'] = $data['am_id'];
         $insert['type'] = 0;
@@ -1140,11 +1143,21 @@ class Preaccept extends Base
         $insert['ctime'] = time();
         $this->article_main_log_obj->insert($insert);
 
+        // 判断是否存在“引用删除”（新 content 相对旧 content 缺少 <mycite>）
+        $hasCitationDeletion = $this->hasMyciteDeletion($old_content, $new_raw_content);
+
+        $update['content'] = $this->formatMain($new_raw_content);
+
+
 
 
-        $update['content'] = $this->formatMain($data['content']);
         $update['state'] = 0;
         $this->article_main_obj->where("am_id",$data['am_id'])->update($update);
+
+        // 若检测到引用删除，则进行全文扫描并标记未被引用条目的 is_used=0（含 table 内容）
+        if ($hasCitationDeletion) {
+//            $this->markUnusedReferencesForArticle(intval($am_info['article_id']));
+        }
         // return jsonSuccess([]);
         //返回更新数据 20260119 start
         $update = empty($update) ? [] : array_merge($update,['am_id' => empty($data['am_id']) ? 0 : $data['am_id']]);
@@ -1155,6 +1168,121 @@ class Preaccept extends Base
         //返回更新数据 20260119 end
     }
 
+    /**
+     * 是否发生 <mycite> 删除（new 相对 old 少了任意引用 id）
+     */
+    private function hasMyciteDeletion(string $oldContent, string $newContent): bool
+    {
+        $oldIds = $this->extractMyciteIds($oldContent);
+        if (empty($oldIds)) {
+            return false;
+        }
+        $newIds = $this->extractMyciteIds($newContent);
+
+        // old 有引用，new 为空 => 删除
+        if (empty($newIds)) {
+            return true;
+        }
+        $oldSet = array_fill_keys($oldIds, 1);
+        $newSet = array_fill_keys($newIds, 1);
+        foreach ($oldSet as $id => $_) {
+            if (!isset($newSet[$id])) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * 从文本/HTML 中提取 <mycite data-id="1,2,3"> 的 id 列表
+     *
+     * @return int[]
+     */
+    private function extractMyciteIds(string $text): array
+    {
+        if ($text === '') return [];
+        $ids = [];
+        if (preg_match_all('/<\s*mycite\b[^>]*\bdata-id\s*=\s*(["\'])(.*?)\1[^>]*>/iu', $text, $m)) {
+            foreach ($m[2] as $raw) {
+                $raw = trim((string)$raw);
+                if ($raw === '') continue;
+                $parts = preg_split('/\s*,\s*/', $raw);
+                foreach ($parts as $p) {
+                    $p = trim((string)$p);
+                    if ($p === '') continue;
+                    $v = intval($p);
+                    if ($v > 0) $ids[] = $v;
+                }
+            }
+        }
+        $ids = array_values(array_unique($ids));
+        sort($ids);
+        return $ids;
+    }
+
+    /**
+     * 全文扫描（正文 + table），将 production_article_refer 未被引用的条目标记 is_used=0
+     * - 被引用的条目 is_used=1
+     *
+     * 注意：依赖 production_article_refer 表存在 is_used 字段（int/tinyint）
+     */
+    private function markUnusedReferencesForArticle(int $articleId)
+    {
+        if ($articleId <= 0) return;
+
+        $production = Db::name('production_article')
+            ->where('article_id', $articleId)
+            ->where('state', 0)
+            ->field('p_article_id')
+            ->find();
+        $pArticleId = intval($production['p_article_id'] ?? 0);
+        if ($pArticleId <= 0) return;
+
+        // 1) 收集已使用的 p_refer_id
+        $usedIds = [];
+
+        $mains = Db::name('article_main')
+            ->where('article_id', $articleId)
+            ->whereIn('state', [0, 2])
+            ->field('content')
+            ->select();
+        foreach ($mains as $row) {
+            $usedIds = array_merge($usedIds, $this->extractMyciteIds((string)($row['content'] ?? '')));
+        }
+
+        $tables = Db::name('article_main_table')
+            ->where('article_id', $articleId)
+            ->where('state', 0)
+            ->field('table_data,html_data,title,note')
+            ->select();
+        foreach ($tables as $row) {
+            $usedIds = array_merge($usedIds, $this->extractMyciteIds((string)($row['table_data'] ?? '')));
+            $usedIds = array_merge($usedIds, $this->extractMyciteIds((string)($row['html_data'] ?? '')));
+            $usedIds = array_merge($usedIds, $this->extractMyciteIds((string)($row['title'] ?? '')));
+            $usedIds = array_merge($usedIds, $this->extractMyciteIds((string)($row['note'] ?? '')));
+        }
+
+        $usedIds = array_values(array_unique($usedIds));
+
+        // 2) 标记：先全置 0，再把用到的置 1
+        try {
+            Db::name('production_article_refer')
+                ->where('p_article_id', $pArticleId)
+                ->where('state', 0)
+                ->update(['is_used' => 0, 'update_time' => time()]);
+
+            if (!empty($usedIds)) {
+                Db::name('production_article_refer')
+                    ->where('p_article_id', $pArticleId)
+                    ->where('state', 0)
+                    ->whereIn('p_refer_id', $usedIds)
+                    ->update(['is_used' => 1, 'update_time' => time()]);
+            }
+        } catch (\Exception $e) {
+            // 工具方法：不影响主流程，忽略异常（可按需改为记录日志）
+        }
+    }
+
     public function getArticleMainsRecycle(){
         $data = $this->request->post();
         $rule = new Validate([