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chore(addon/aikefu): 去除chatStream，统一使用chat接口

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ZF Sun
2025-12-09 17:43:43 +08:00
parent 15b8b5b039
commit 62086f2332
3 changed files with 37 additions and 417 deletions
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235
src/addon/aikefu/event/KefuChatStream.php
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@@ -1,235 +0,0 @@
<?php
namespace addon\aikefu\event;
use addon\aikefu\model\Config as KefuConfigModel;
use addon\aikefu\model\Conversation as KefuConversationModel;
use addon\aikefu\model\Message as KefuMessageModel;
/**
* 智能客服流式聊天
*/
class KefuChatStream
{
/**
* 处理智能客服流式聊天事件
* @param array $data 事件数据
* @return array
*/
public function handle($data)
{
$message = $data['message'] ?? '';
$user_id = $data['user_id'] ?? '';
$conversation_id = $data['conversation_id'] ?? '';
$site_id = $data['site_id'] ?? 0;
$request_id = $data['request_id'] ?? '';
try {
// 验证参数
if (empty($message)) {
return [
[
'type' => 'error',
'message' => '消息内容不能为空'
]
];
}
// 获取智能客服配置
$kefu_config_model = new KefuConfigModel();
$config_info = $kefu_config_model->getConfig($site_id)['data']['value'] ?? [];
if (empty($config_info) || $config_info['status'] != 1) {
return [
[
'type' => 'error',
'message' => '智能客服暂未启用'
]
];
}
$config = $config_info;
$apiKey = $config['api_key'];
$baseUrl = $config['base_url'];
$chatEndpoint = $config['chat_endpoint'];
// 构建请求数据
$requestData = [
'inputs' => [],
'query' => $message,
'response_mode' => 'streaming',
'user' => $user_id,
];
if (!empty($conversation_id)) {
$requestData['conversation_id'] = $conversation_id;
}
// 构建请求头
$headers = [
'Authorization: Bearer ' . $apiKey,
'Content-Type: application/json',
'Accept: text/event-stream',
];
// 发送流式请求到Dify API
$url = $baseUrl . $chatEndpoint;
$result = $this->executeStreamRequest($url, $requestData, $headers);
return $result;
} catch (\Exception $e) {
return [
[
'type' => 'error',
'message' => '请求失败：' . $e->getMessage()
]
];
}
}
/**
* 执行流式请求
*/
private function executeStreamRequest($url, $requestData, $headers)
{
$ch = curl_init();
// 设置curl选项
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($requestData));
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_WRITEFUNCTION, [$this, 'streamCallback']);
curl_setopt($ch, CURLOPT_TIMEOUT, 120); // 设置较长的超时时间
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
// 执行请求
$result = [];
$this->stream_buffer = '';
$this->conversation_id = '';
$this->current_message_id = '';
$response = curl_exec($ch);
$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
$error = curl_error($ch);
curl_close($ch);
if ($response === false || !empty($error)) {
return [
[
'type' => 'error',
'message' => '请求失败：' . $error
]
];
}
if ($http_code >= 400) {
return [
[
'type' => 'error',
'message' => '服务端错误，HTTP状态码：' . $http_code
]
];
}
return $this->parseStreamResponse($this->stream_buffer);
}
/**
* 流式回调函数
*/
private function streamCallback($ch, $data)
{
$this->stream_buffer .= $data;
return strlen($data);
}
/**
* 解析流式响应
*/
private function parseStreamResponse($response)
{
$result = [];
$lines = explode("\n", $response);
$conversation_id = '';
$message_id = '';
$buffer = '';
foreach ($lines as $line) {
$line = trim($line);
if (empty($line)) {
continue;
}
if (strpos($line, 'data: ') === 0) {
$data_str = substr($line, 6);
if ($data_str === '[DONE]') {
// 流结束，发送完成事件
$result[] = [
'type' => 'complete',
'conversation_id' => $conversation_id,
'message_id' => $message_id,
'content' => $buffer,
'finished' => true
];
break;
}
$data = json_decode($data_str, true);
if (json_last_error() === JSON_ERROR_NONE && isset($data)) {
// 提取会话ID和消息ID
if (isset($data['conversation_id'])) {
$conversation_id = $data['conversation_id'];
}
if (isset($data['message_id'])) {
$message_id = $data['message_id'];
}
// 处理内容块
if (isset($data['answer'])) {
$buffer .= $data['answer'];
$result[] = [
'type' => 'chunk',
'content' => $data['answer'],
'conversation_id' => $conversation_id,
'message_id' => $message_id,
'finished' => false
];
}
// 检查是否结束
if (isset($data['finish_reason']) && $data['finish_reason'] !== 'null') {
$result[] = [
'type' => 'complete',
'conversation_id' => $conversation_id,
'message_id' => $message_id,
'content' => $buffer,
'finish_reason' => $data['finish_reason'],
'usage' => $data['usage'] ?? [],
'finished' => true
];
break;
}
}
}
}
// 如果没有收到[DONE]信号，确保发送完成事件
if (empty($result) || end($result)['type'] !== 'complete') {
$result[] = [
'type' => 'complete',
'conversation_id' => $conversation_id,
'message_id' => $message_id,
'content' => $buffer,
'finished' => true
];
}
return $result;
}
}

21
src/addon/aikefu/event/KefuGetInfo.php
View File

@@ -42,12 +42,11 @@ class KefuGetInfo
]
],
'endpoints' => [
'chat' => '/api/kefu/chat',
'chat_stream' => '/api/kefu/chatStream',
'get_history' => '/api/kefu/getHistory',
'clear_conversation' => '/api/kefu/clearConversation',
'health' => '/api/kefu/health',
'info' => '/api/kefu/info'
'chat' => '/api/kefu/chat',
'get_history' => '/api/kefu/getHistory',
'clear_conversation' => '/api/kefu/clearConversation',
'health' => '/api/kefu/health',
'info' => '/api/kefu/info'
],
'client_info' => $client_info,
'server_info' => [
@@ -60,11 +59,11 @@ class KefuGetInfo
// 处理配置信息
if (!empty($config_info['data']['value'])) {
$config = $config_info['data']['value'];
// 服务状态
$response_data['service_info']['enabled'] = $config['status'] == 1;
$response_data['service_info']['status'] = $config['status'] == 1 ? 'enabled' : 'disabled';
// 可用功能
if ($config['status'] == 1) {
$response_data['features'] = [
@@ -74,7 +73,7 @@ class KefuGetInfo
'history_management' => true
];
}
// API端点信息（仅在启用时显示详细配置）
if ($config['status'] == 1) {
$response_data['api_config'] = [
@@ -84,7 +83,7 @@ class KefuGetInfo
'authentication' => 'bearer_token'
];
}
// 限制配置（如果有的话）
if (isset($config['max_message_length'])) {
$response_data['limits']['max_message_length'] = intval($config['max_message_length']);
@@ -108,7 +107,7 @@ class KefuGetInfo
'message' => '获取配置信息成功',
'data' => $response_data
];
} catch (\Exception $e) {
return [
'code' => -1,

198
src/app/api/controller/Kefu.php
View File

@@ -26,6 +26,11 @@ class Kefu extends BaseApi
return $this->response($this->error('缺少关键参数站点ID'));
}
// 验证事件是否存在
if (!hasEvent('KefuHealthCheck')) {
return $this->response($this->error('智能客服插件未成功注册事件'));
}
// 准备事件数据
$event_data = [
'check_id' => uniqid('health_', true),
@@ -143,6 +148,11 @@ class Kefu extends BaseApi
$member_id = $this->params['member_id'] ?? $this->member_id;
$token = $this->params['token'] ?? $this->token;
// 验证事件是否存在
if (!hasEvent('KefuGetInfo')) {
return $this->response($this->error('智能客服插件未成功注册事件'));
}
try {
// 准备事件数据
$event_data = [
@@ -227,6 +237,11 @@ class Kefu extends BaseApi
return $this->response($this->error('会话ID或用户ID不能为空'));
}
// 验证事件是否存在
if (!hasEvent('KefuClearConversation')) {
return $this->response($this->error('智能客服插件未成功注册事件'));
}
try {
// 准备事件数据
$event_data = [
@@ -267,7 +282,7 @@ class Kefu extends BaseApi
/**
* 智能客服聊天接口
* @return \think\response\Json
* @return \think\response\Json|array|bool|string|void
*/
public function chat()
{
@@ -287,6 +302,11 @@ class Kefu extends BaseApi
return $this->response($this->error('请输入消息内容'));
}
// 验证事件是否存在
if (!hasEvent('KefuChat')) {
return $this->response($this->error('智能客服插件未成功注册事件'));
}
try {
// 准备事件数据
$event_data = [
@@ -299,7 +319,12 @@ class Kefu extends BaseApi
'token' => $token,
];
// 触发智能客服聊天事件
if ($stream) {
event('KefuChat', $event_data);
exit; // 流式请求直接输出并结束
}
// 触发智能客服聊天事件（非流式）
$result = event('KefuChat', $event_data);
// 处理事件结果
@@ -326,175 +351,6 @@ class Kefu extends BaseApi
return $this->response($this->error('请求失败：' . $e->getMessage()));
}
}
/**
* 智能客服聊天流式接口
*/
public function chatStream()
{
// 获取请求参数
$message = $this->params['message'] ?? '';
$user_id = $this->params['user_id'] ?? $this->member_id;
$conversation_id = $this->params['conversation_id'] ?? '';
$stream = true;
// (可选）获取站点ID和会员ID，可以通过事件数据传递
$site_id = $this->params['uniacid'] ?? $this->site_id; // 使用 uniacid, 方便以后迁移，而且uniacid 是唯一的, site_id 不是，同时被params给过滤了
$member_id = $this->params['member_id'] ?? $this->member_id;
$token = $this->params['token'] ?? $this->token;
// 验证参数
if (empty($message)) {
$this->sendStreamError('请输入消息内容');
exit;
}
// 准备事件数据
$event_data = [
'message' => $message,
'user_id' => $user_id,
'conversation_id' => $conversation_id,
'stream' => $stream,
'site_id' =>$site_id,
'member_id' => $member_id,
'token' => $token,
'request_id' => uniqid('stream_', true),
'timestamp' => time(),
];
try {
// 设置流式响应头
$this->setStreamHeaders();
// 发送开始事件
$this->sendStreamEvent('start', [
'request_id' => $event_data['request_id'],
'timestamp' => $event_data['timestamp'],
'message' => '开始处理请求'
]);
// 触发流式聊天事件
$result = event('KefuChatStream', $event_data);
// 处理事件结果并流式输出
$this->processStreamResults($result, $event_data);
} catch (\Exception $e) {
$this->sendStreamError('请求失败：' . $e->getMessage());
}
}
/**
* 设置流式响应头
*/
private function setStreamHeaders()
{
header('Content-Type: text/event-stream');
header('Cache-Control: no-cache');
header('Connection: keep-alive');
header('Access-Control-Allow-Origin: *');
header('Access-Control-Allow-Headers: Cache-Control, Content-Type');
header('X-Accel-Buffering: no'); // 禁用nginx缓冲
if (function_exists('apache_setenv')) {
apache_setenv('no-gzip', '1');
}
}
/**
* 发送流式事件
*/
private function sendStreamEvent($event_type, $data)
{
$payload = [
'id' => uniqid(),
'event' => $event_type,
'timestamp' => time(),
'data' => $data
];
echo "event: {$event_type}\n";
echo "data: " . json_encode($payload, JSON_UNESCAPED_UNICODE) . "\n\n";
if (ob_get_level()) {
ob_flush();
}
flush();
}
/**
* 发送流式错误
*/
private function sendStreamError($message)
{
if (!headers_sent()) {
$this->setStreamHeaders();
}
$this->sendStreamEvent('error', [
'error' => $message,
'finished' => true
]);
exit;
}
/**
* 处理流式结果
*/
private function processStreamResults($results, $event_data)
{
try {
if (is_array($results) && !empty($results)) {
foreach ($results as $result) {
if (isset($result['type'])) {
switch ($result['type']) {
case 'chunk':
// 发送内容块
$this->sendStreamEvent('message', [
'content' => $result['content'] ?? '',
'conversation_id' => $result['conversation_id'] ?? $event_data['conversation_id'],
'message_id' => $result['message_id'] ?? '',
'finished' => $result['finished'] ?? false
]);
break;
case 'error':
// 发送错误
$this->sendStreamEvent('error', [
'error' => $result['message'] ?? '未知错误',
'conversation_id' => $result['conversation_id'] ?? $event_data['conversation_id']
]);
break;
case 'complete':
// 发送完成事件
$this->sendStreamEvent('complete', [
'conversation_id' => $result['conversation_id'] ?? $event_data['conversation_id'],
'message_id' => $result['message_id'] ?? '',
'usage' => $result['usage'] ?? [],
'finish_reason' => $result['finish_reason'] ?? ''
]);
break;
}
}
}
} else {
// 如果没有事件处理器或结果为空，发送完成事件
$this->sendStreamEvent('complete', [
'conversation_id' => $event_data['conversation_id'],
'message' => '暂无可用响应'
]);
}
// 发送结束事件
$this->sendStreamEvent('end', [
'request_id' => $event_data['request_id'],
'status' => 'completed'
]);
} catch (\Exception $e) {
$this->sendStreamError('处理流式结果失败：' . $e->getMessage());
}
}
/**
* 获取会话历史