feat: 实现TCP Server

app/flow/nodes/DuplicateCheckNode.php

@@ -0,0 +1,52 @@
+<?php
+
+namespace app\flow\nodes;
+
+use app\flow\DbOperationType;
+use app\flow\ProcessContext;
+use app\flow\VoiceMessage;
+use app\repository\EctActionsRepository;
+use app\utils\Logger;
+
+/**
+ * 重复检查节点
+ * 用于检测当前操作是否与历史记录重复
+ *
+ */
+class DuplicateCheckNode extends AbstractProcessNode
+{
+    /**
+     * 获取节点名称
+     */
+    public static function getName(): string
+    {
+        return "重复检查";
+    }
+
+    /**
+     * 获取节点编码
+     */
+    public function getCode(): string
+    {
+        return self::getName();
+    }
+
+    /**
+     * 判断当前节点是否能处理该步骤
+     * 
+     * 所有需要数据库记录的场景都需要经过本节点检查
+     */
+    public function canHandle(ProcessContext $context): bool
+    {
+        return $context->previousAction->process_name === $context->readerType;
+    }
+
+    /**
+     * 具体处理逻辑：检查重复操作
+     */
+    protected function doHandle(ProcessContext $context): ProcessContext
+    {
+        $context->setError(VoiceMessage::DUPLICATE_SWIPING);
+        return $context;
+    }
+}