532 lines
19 KiB
PHP
532 lines
19 KiB
PHP
<?php
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namespace app\api\controller;
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use app\api\controller\BaseApi;
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use think\facade\Event;
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/**
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* 智能客服API控制器
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*/
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class AI extends BaseApi
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{
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/**
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* 系统健康检查, 用来检测当前的AI服务是否正常
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* @return \think\response\Json | bool
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*/
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public function health()
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{
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$start_time = microtime(true);
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// (必选) 获取站点ID和会员ID，可以通过事件数据传递
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$site_id = $this->params['uniacid'] ?? $this->site_id; // 使用 uniacid, 方便以后迁移，而且uniacid 是唯一的, site_id 不是，同时被params给过滤了
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// 检查site_id 如果 < 1, 则返回错误
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if ($site_id < 1) {
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return $this->response($this->error('缺少关键参数站点ID'));
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}
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// 准备事件数据
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$event_data = [
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'check_id' => uniqid('health_', true),
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'timestamp' => date('Y-m-d H:i:s'),
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'site_id' => $site_id,
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'check_type' => $this->params['check_type'] ?? 'full' // full, basic, ai_service
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];
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try {
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// 触发健康检查事件
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$result = Event::trigger('KefuHealthCheck', $event_data);
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// 汇总检查结果
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$health_summary = [
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'status' => 'healthy',
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'check_id' => $event_data['check_id'],
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'timestamp' => $event_data['timestamp'],
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'total_checks' => 0,
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'passed_checks' => 0,
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'failed_checks' => 0,
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'response_time_ms' => 0,
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'components' => [],
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'warnings' => [],
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'errors' => []
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];
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if (is_array($result) && !empty($result)) {
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foreach ($result as $check_result) {
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if (isset($check_result['component'])) {
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$health_summary['components'][$check_result['component']] = $check_result;
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$health_summary['total_checks']++;
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if ($check_result['status'] === 'healthy') {
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$health_summary['passed_checks']++;
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} else {
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$health_summary['failed_checks']++;
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if ($check_result['status'] === 'error') {
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$health_summary['errors'][] = $check_result['message'] ?? 'Unknown error';
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$health_summary['status'] = 'unhealthy';
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} elseif ($check_result['status'] === 'warning') {
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$health_summary['warnings'][] = $check_result['message'] ?? 'Unknown warning';
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if ($health_summary['status'] === 'healthy') {
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$health_summary['status'] = 'warning';
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}
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}
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}
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}
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}
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}
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// 计算总体响应时间
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$health_summary['response_time_ms'] = round((microtime(true) - $start_time) * 1000, 2);
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// 如果没有任何检查结果，进行基础检查
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if ($health_summary['total_checks'] === 0) {
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$health_summary['components']['basic'] = [
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'status' => 'healthy',
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'message' => '基础服务正常',
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'response_time_ms' => 0,
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'details' => [
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'php_version' => PHP_VERSION,
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'memory_usage' => round(memory_get_usage() / 1024 / 1024, 2) . ' MB',
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'time_limit' => ini_get('max_execution_time') . 's'
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]
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];
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$health_summary['total_checks'] = 1;
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$health_summary['passed_checks'] = 1;
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}
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// 根据检查结果确定HTTP状态码
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$http_code = 200;
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if ($health_summary['status'] === 'unhealthy') {
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$http_code = 503; // Service Unavailable
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} elseif ($health_summary['status'] === 'warning') {
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$http_code = 200; // Still OK but with warnings
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}
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return $this->response([
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'code' => 0,
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'message' => $health_summary['status'],
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'data' => $health_summary
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], $http_code);
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} catch (\Exception $e) {
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return $this->response([
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'code' => -1,
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'message' => '健康检查失败',
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'data' => [
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'status' => 'error',
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'check_id' => $event_data['check_id'],
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'timestamp' => $event_data['timestamp'],
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'error' => $e->getMessage(),
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'response_time_ms' => round((microtime(true) - $start_time) * 1000, 2)
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]
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], 500);
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}
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}
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/**
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* 清除会话历史
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*/
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public function clearConversation()
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{
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// 获取请求参数
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$conversation_id = $this->params['conversation_id'] ?? '';
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$user_id = $this->params['user_id'] ?? $this->member_id;
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// (可选）获取站点ID和会员ID，可以通过事件数据传递
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$site_id = $this->params['uniacid'] ?? $this->site_id; // 使用 uniacid, 方便以后迁移，而且uniacid 是唯一的, site_id 不是，同时被params给过滤了
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$member_id = $this->params['member_id'] ?? $this->member_id;
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$token = $this->params['token'] ?? $this->token;
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// 验证参数
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if (empty($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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// 准备事件数据
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$event_data = [
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'conversation_id' => $conversation_id,
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'user_id' => $user_id,
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'site_id' =>$site_id,
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'member_id' => $member_id,
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'token' => $token,
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];
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// 触发清除会话事件
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$result = Event::trigger('KefuClearConversation', $event_data);
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// 处理事件结果
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$response = [
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'code' => 0,
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'message' => 'success',
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'data' => []
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];
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if (is_array($result) && !empty($result)) {
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foreach ($result as $res) {
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if (isset($res['code']) && $res['code'] < 0) {
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$response = $res;
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break;
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}
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if (isset($res['data'])) {
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$response['data'] = array_merge($response['data'], $res['data']);
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}
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}
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}
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return $this->response($response);
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} catch (\Exception $e) {
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return $this->response($e->getMessage());
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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 = $this->params['stream'] ?? false;
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// (可选）获取站点ID和会员ID，可以通过事件数据传递
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$site_id = $this->params['uniacid'] ?? $this->site_id; // 使用 uniacid, 方便以后迁移，而且uniacid 是唯一的, site_id 不是，同时被params给过滤了
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$member_id = $this->params['member_id'] ?? $this->member_id;
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$token = $this->params['token'] ?? $this->token;
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// 验证参数
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if (empty($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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// 准备事件数据
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$event_data = [
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'message' => $message,
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'user_id' => $user_id,
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'conversation_id' => $conversation_id,
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'stream' => $stream,
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'site_id' =>$site_id,
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'member_id' => $member_id,
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'token' => $token,
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];
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// 触发智能客服聊天事件
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$result = Event::trigger('KefuChat', $event_data);
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// 处理事件结果
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$response = [
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'code' => 0,
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'message' => 'success',
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'data' => []
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];
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if (is_array($result) && !empty($result)) {
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foreach ($result as $res) {
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if (isset($res['code']) && $res['code'] < 0) {
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$response = $res;
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break;
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}
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if (isset($res['data'])) {
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$response['data'] = array_merge($response['data'], $res['data']);
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}
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}
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}
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return $this->response($response);
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} catch (\Exception $e) {
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return $this->response($this->error('请求失败：' . $e->getMessage()));
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}
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}
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/**
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* 智能客服聊天流式接口
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*/
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public function chatStream()
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{
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// 获取请求参数
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$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 = true;
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// (可选）获取站点ID和会员ID，可以通过事件数据传递
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$site_id = $this->params['uniacid'] ?? $this->site_id; // 使用 uniacid, 方便以后迁移，而且uniacid 是唯一的, site_id 不是，同时被params给过滤了
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$member_id = $this->params['member_id'] ?? $this->member_id;
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$token = $this->params['token'] ?? $this->token;
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// 验证参数
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if (empty($message)) {
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$this->sendStreamError('请输入消息内容');
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return;
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}
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try {
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// 设置流式响应头
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$this->setStreamHeaders();
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// 准备事件数据
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$event_data = [
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'message' => $message,
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'user_id' => $user_id,
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'conversation_id' => $conversation_id,
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'stream' => $stream,
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'site_id' =>$site_id,
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'member_id' => $member_id,
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'token' => $token,
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'request_id' => uniqid('stream_', true),
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'timestamp' => time(),
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];
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// 发送开始事件
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$this->sendStreamEvent('start', [
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'request_id' => $event_data['request_id'],
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'timestamp' => $event_data['timestamp'],
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'message' => '开始处理请求'
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]);
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// 触发流式聊天事件
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$result = Event::trigger('KefuChatStream', $event_data);
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// 处理事件结果并流式输出
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$this->processStreamResults($result, $event_data);
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} catch (\Exception $e) {
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$this->sendStreamError('请求失败：' . $e->getMessage());
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}
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}
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/**
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* 设置流式响应头
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*/
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private function setStreamHeaders()
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{
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header('Content-Type: text/event-stream');
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header('Cache-Control: no-cache');
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header('Connection: keep-alive');
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header('Access-Control-Allow-Origin: *');
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header('Access-Control-Allow-Headers: Cache-Control, Content-Type');
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header('X-Accel-Buffering: no'); // 禁用nginx缓冲
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if (function_exists('apache_setenv')) {
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apache_setenv('no-gzip', '1');
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}
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}
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/**
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* 发送流式事件
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*/
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private function sendStreamEvent($event_type, $data)
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{
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$payload = [
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'id' => uniqid(),
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'event' => $event_type,
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'timestamp' => time(),
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'data' => $data
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];
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echo "event: {$event_type}\n";
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echo "data: " . json_encode($payload, JSON_UNESCAPED_UNICODE) . "\n\n";
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if (ob_get_level()) {
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ob_flush();
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}
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flush();
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}
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/**
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* 发送流式错误
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*/
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private function sendStreamError($message)
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{
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if (!headers_sent()) {
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$this->setStreamHeaders();
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}
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$this->sendStreamEvent('error', [
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'error' => $message,
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'finished' => true
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]);
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exit;
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}
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/**
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* 处理流式结果
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*/
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private function processStreamResults($results, $event_data)
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{
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try {
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if (is_array($results) && !empty($results)) {
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foreach ($results as $result) {
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if (isset($result['type'])) {
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switch ($result['type']) {
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case 'chunk':
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// 发送内容块
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$this->sendStreamEvent('message', [
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'content' => $result['content'] ?? '',
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'conversation_id' => $result['conversation_id'] ?? $event_data['conversation_id'],
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'message_id' => $result['message_id'] ?? '',
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'finished' => $result['finished'] ?? false
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]);
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break;
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case 'error':
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// 发送错误
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$this->sendStreamEvent('error', [
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'error' => $result['message'] ?? '未知错误',
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'conversation_id' => $result['conversation_id'] ?? $event_data['conversation_id']
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]);
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break;
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case 'complete':
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// 发送完成事件
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$this->sendStreamEvent('complete', [
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'conversation_id' => $result['conversation_id'] ?? $event_data['conversation_id'],
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'message_id' => $result['message_id'] ?? '',
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'usage' => $result['usage'] ?? [],
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'finish_reason' => $result['finish_reason'] ?? ''
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]);
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break;
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}
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}
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}
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} else {
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// 如果没有事件处理器或结果为空，发送完成事件
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$this->sendStreamEvent('complete', [
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'conversation_id' => $event_data['conversation_id'],
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'message' => '暂无可用响应'
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]);
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}
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// 发送结束事件
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$this->sendStreamEvent('end', [
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'request_id' => $event_data['request_id'],
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'status' => 'completed'
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]);
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} catch (\Exception $e) {
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$this->sendStreamError('处理流式结果失败：' . $e->getMessage());
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}
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}
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/**
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* 创建新会话
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* @return \think\response\Json
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*/
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public function createConversation()
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{
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// 获取请求参数
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$user_id = $this->params['user_id'] ?? $this->member_id;
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// (可选）获取站点ID和会员ID，可以通过事件数据传递
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$site_id = $this->params['uniacid'] ?? $this->site_id; // 使用 uniacid, 方便以后迁移，而且uniacid 是唯一的, site_id 不是，同时被params给过滤了
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$member_id = $this->params['member_id'] ?? $this->member_id;
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$token = $this->params['token'] ?? $this->token;
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try {
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// 准备事件数据
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$event_data = [
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'user_id' => $user_id,
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'site_id' =>$site_id,
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'member_id' => $member_id,
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'token' => $token,
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];
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// 触发创建会话事件
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$result = Event::trigger('KefuCreateConversation', $event_data);
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// 处理事件结果
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$response = [
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'code' => 0,
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'message' => 'success',
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'data' => []
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];
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if (is_array($result) && !empty($result)) {
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foreach ($result as $res) {
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if (isset($res['code']) && $res['code'] < 0) {
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$response = $res;
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break;
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}
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if (isset($res['data'])) {
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$response['data'] = array_merge($response['data'], $res['data']);
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}
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}
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}
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return $this->response($response);
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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 = $this->params['offset'] ?? 0;
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// (可选）获取站点ID和会员ID，可以通过事件数据传递
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$site_id = $this->params['uniacid'] ?? $this->site_id; // 使用 uniacid, 方便以后迁移，而且uniacid 是唯一的, site_id 不是，同时被params给过滤了
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$member_id = $this->params['member_id'] ?? $this->member_id;
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$token = $this->params['token'] ?? $this->token;
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// 验证参数
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if (empty($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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// 准备事件数据
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$event_data = [
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'conversation_id' => $conversation_id,
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'user_id' => $user_id,
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'limit' => $limit,
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'offset' => $offset,
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'site_id' =>$site_id,
|
||
'member_id' => $member_id,
|
||
'token' => $token,
|
||
];
|
||
|
||
// 触发获取历史消息事件
|
||
$result = Event::trigger('KefuGetHistory', $event_data);
|
||
|
||
// 处理事件结果
|
||
$response = [
|
||
'code' => 0,
|
||
'message' => 'success',
|
||
'data' => []
|
||
];
|
||
|
||
if (is_array($result) && !empty($result)) {
|
||
foreach ($result as $res) {
|
||
if (isset($res['code']) && $res['code'] < 0) {
|
||
$response = $res;
|
||
break;
|
||
}
|
||
if (isset($res['data'])) {
|
||
$response['data'] = array_merge($response['data'], $res['data']);
|
||
}
|
||
}
|
||
}
|
||
|
||
return $this->response($response);
|
||
} catch (\Exception $e) {
|
||
return $this->response($this->error('请求失败：' . $e->getMessage()));
|
||
}
|
||
}
|
||
}
|