263 lines
9.1 KiB
PHP
263 lines
9.1 KiB
PHP
<?php
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namespace addon\aikefu\api\controller;
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use addon\aikefu\model\Config as KefuConfigModel;
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use addon\aikefu\model\Conversation as KefuConversationModel;
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use addon\aikefu\model\Message as KefuMessageModel;
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use app\api\controller\BaseApi;
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use extend\api\HttpClient;
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class Kefu extends BaseApi
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{
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/**
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* 为事件调用初始化属性
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* @param array $data 事件数据
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*/
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public function initializeForEvent($data)
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{
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if (!empty($data['site_id'])) {
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$this->site_id = $data['site_id'] ?? 0;
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}
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if (!empty($data['member_id'])) {
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$this->member_id = $data['member_id'] ?? 0;
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}
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if (!empty($data['token'])) {
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$this->token = $data['token'] ?? '';
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}
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$this->params = [
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'message' => $data['message'] ?? '',
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'user_id' => $data['user_id'] ?? '',
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'conversation_id' => $data['conversation_id'] ?? '',
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'stream' => $data['stream'] ?? false,
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];
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}
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/**
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* 智能客服聊天接口
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* @return \think\response\Json
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*/
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public function chat()
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{
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// 获取请求参数
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$message = $this->params['message'] ?? '';
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$user_id = $this->params['user_id'] ?? $this->member_id;
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$conversation_id = $this->params['conversation_id'] ?? '';
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$stream = $this->params['stream'] ?? false;
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// 验证参数
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if (empty($message)) {
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return $this->response($this->error('请输入消息内容'));
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}
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try {
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// 获取智能客服配置
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$kefu_config_model = new KefuConfigModel();
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$config_info = $kefu_config_model->getConfig($this->site_id, $this->app_module)['data']['value'] ?? [];
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if (empty($config_info) || $config_info['status'] != 1) {
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return $this->response($this->error('智能客服暂未启用'));
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}
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$config = $config_info['data']['value'];
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$apiKey = $config['api_key'];
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$baseUrl = $config['base_url'];
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$chatEndpoint = $config['chat_endpoint'];
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// 构建请求数据
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$requestData = [
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'inputs' => [],
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'query' => $message,
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'response_mode' => $stream ? 'streaming' : 'blocking',
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'user' => $user_id,
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];
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// 如果有会话ID，添加到请求中
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if (!empty($conversation_id)) {
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$requestData['conversation_id'] = $conversation_id;
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}
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// 构建请求头
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$headers = [
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'Authorization: Bearer ' . $apiKey,
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'Content-Type: application/json',
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];
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// 发送请求到Dify API
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$url = $baseUrl . $chatEndpoint;
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$response = HttpClient::http($url, 'POST', json_encode($requestData), $headers);
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// 解析响应
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$result = json_decode($response, true);
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if (json_last_error() !== JSON_ERROR_NONE) {
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return $this->response($this->error('解析响应失败'));
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}
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// 保存消息记录
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$kefu_message_model = new KefuMessageModel();
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$kefu_conversation_model = new KefuConversationModel();
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// 保存用户消息
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$kefu_message_model->addMessage([
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'site_id' => $this->site_id,
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'user_id' => $user_id,
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'conversation_id' => $result['conversation_id'] ?? $conversation_id,
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'message_id' => $result['message_id'] ?? '',
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'role' => 'user',
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'content' => $message,
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]);
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// 保存机器人回复
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$kefu_message_model->addMessage([
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'site_id' => $this->site_id,
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'user_id' => $user_id,
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'conversation_id' => $result['conversation_id'] ?? $conversation_id,
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'message_id' => $result['id'] ?? '',
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'role' => 'assistant',
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'content' => $result['answer'] ?? '',
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]);
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// 更新会话状态或创建新会话
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$conversation_info = $kefu_conversation_model->getConversationInfo([
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['site_id', '=', $this->site_id],
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['conversation_id', '=', $result['conversation_id'] ?? $conversation_id],
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]);
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if (empty($conversation_info['data'])) {
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// 创建新会话
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$kefu_conversation_model->addConversation([
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'site_id' => $this->site_id,
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'user_id' => $user_id,
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'conversation_id' => $result['conversation_id'] ?? '',
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'name' => '智能客服会话',
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]);
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} else {
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// 更新会话状态
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$kefu_conversation_model->updateConversation([
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'status' => 1,
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], [
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['id', '=', $conversation_info['data']['id']],
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]);
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}
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// 返回成功响应
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return $this->response($this->success([
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'conversation_id' => $result['conversation_id'] ?? '',
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'reply' => $result['answer'] ?? '',
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'message_id' => $result['message_id'] ?? '',
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'finish_reason' => $result['finish_reason'] ?? '',
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'usage' => $result['usage'] ?? [],
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]));
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} catch (\Exception $e) {
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return $this->response($this->error('请求失败：' . $e->getMessage()));
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}
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}
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/**
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* 获取会话历史
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* @return \think\response\Json
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*/
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public function getHistory()
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{
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// 获取请求参数
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$conversation_id = $this->params['conversation_id'] ?? '';
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$user_id = $this->params['user_id'] ?? $this->member_id;
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$limit = $this->params['limit'] ?? 20;
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$offset = $this->params['offset'] ?? 0;
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// 验证参数
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if (empty($conversation_id)) {
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return $this->response($this->error('会话ID不能为空'));
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}
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try {
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// 获取会话历史记录
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$kefu_message_model = new KefuMessageModel();
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$message_list = $kefu_message_model->getMessageList([
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['site_id', '=', $this->site_id],
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['user_id', '=', $user_id],
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['conversation_id', '=', $conversation_id],
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], 'id, role, content, create_time', 'create_time asc', $limit, $offset);
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// 返回成功响应
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return $this->response($this->success([
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'messages' => $message_list['data'] ?? [],
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'total' => $message_list['total'] ?? 0,
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'limit' => $limit,
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'offset' => $offset,
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]));
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} catch (\Exception $e) {
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return $this->response($this->error('请求失败：' . $e->getMessage()));
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}
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}
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/**
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* 创建新会话
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* @return \think\response\Json
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*/
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public function createConversation()
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{
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// 获取请求参数
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$user_id = $this->params['user_id'] ?? $this->member_id;
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try {
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// 获取智能客服配置
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$kefu_config_model = new KefuConfigModel();
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$config_info = $kefu_config_model->getConfig($this->site_id, $this->app_module)['data']['value'] ?? [];
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if (empty($config_info) || $config_info['status'] != 1) {
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return $this->response($this->error('智能客服暂未启用'));
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}
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$config = $config_info['data']['value'];
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$apiKey = $config['api_key'];
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$baseUrl = $config['base_url'];
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// 构建请求数据
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$requestData = [
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'name' => '智能客服会话',
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'user' => $user_id,
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];
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// 构建请求头
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$headers = [
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'Authorization: Bearer ' . $apiKey,
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'Content-Type: application/json',
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];
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// 发送请求到Dify API
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$url = $baseUrl . '/conversations';
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$response = HttpClient::http($url, 'POST', json_encode($requestData), $headers);
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// 解析响应
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$result = json_decode($response, true);
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if (json_last_error() !== JSON_ERROR_NONE) {
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return $this->response($this->error('解析响应失败'));
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}
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// 保存会话记录
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$kefu_conversation_model = new KefuConversationModel();
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$kefu_conversation_model->addConversation([
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'site_id' => $this->site_id,
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'user_id' => $user_id,
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'conversation_id' => $result['id'] ?? '',
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'name' => $result['name'] ?? '智能客服会话',
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]);
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// 返回成功响应
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return $this->response($this->success([
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'conversation_id' => $result['id'] ?? '',
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'name' => $result['name'] ?? '',
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'created_at' => $result['created_at'] ?? '',
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]));
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} catch (\Exception $e) {
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return $this->response($this->error('请求失败：' . $e->getMessage()));
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}
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}
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}
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