修改自动推广的相关任务

application/api/job/PromotionPrepareTask.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace app\api\job;
+
+use think\queue\Job;
+use app\common\PromotionService;
+
+/**
+ * 队列任务：task 级别的 prepare 调度器。
+ *
+ * 职责：遍历 task 下待准备的 promotion_email_log，
+ *       将每封邮件拆成一条 PromotionPrepareEmail 推到 promotion_email 队列，
+ *       以便并行调用 LLM 生成个性化描述。
+ *
+ * 队列名：promotion
+ * 启动 worker：php think queue:listen --queue promotion
+ */
+class PromotionPrepareTask
+{
+    public function fire(Job $job, $data)
+    {
+        $taskId  = intval(isset($data['task_id']) ? $data['task_id'] : 0);
+        $service = new PromotionService();
+
+        if (!$taskId) {
+            $job->delete();
+            return;
+        }
+
+        try {
+            $result = $service->dispatchPrepareEmails($taskId);
+            $service->log('[PromotionPrepareTask] task=' . $taskId
+                . ' dispatched=' . $result['dispatched']
+                . ' already_done=' . ($result['already_done'] ? 1 : 0)
+                . (empty($result['error']) ? '' : ' error=' . $result['error']));
+        } catch (\Exception $e) {
+            $service->log('[PromotionPrepareTask] task=' . $taskId . ' exception=' . $e->getMessage());
+        }
+
+        $job->delete();
+    }
+}