chore: 重写初始提交(清空历史,整理后全量提交)
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ywxapp
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<?php
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// +----------------------------------------------------------------------
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// | YwxApp [ WE CAN DO IT JUST THINK ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2026-2036 http://ywxapp.cn All rights reserved.
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// +----------------------------------------------------------------------
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// | Author: ywxapp<admin@ywxapp.cn>
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// +----------------------------------------------------------------------
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declare (strict_types = 1);
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namespace addon\wxchat\worker\handle;
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use addon\wxchat\model\WxchatMessage;
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use addon\wxchat\model\WxchatUnreadCount;
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use addon\wxchat\service\SafetyService;
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use addon\wxchat\worker\enum\MsgFrame;
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use addon\wxchat\worker\enum\MsgType;
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use addon\wxchat\worker\Message;
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use addon\wxchat\worker\MsgReply;
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use GatewayWorker\Lib\Gateway;
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/**
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* 聊天消息处理（实时落库 + 转发 + ACK）
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*
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* 协议约定（客户端上行）：
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* {
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* "header": { "type":"chat", "target":"single"|"group", "timestamp":... },
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* "payload": { "uid":123, "receiver":456, "session_id":789, "type":"text"|"image"|"voice"|"video"|"file"|"gift", "content":"...", "ext":{} }
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* }
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*/
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class ChatHandle
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{
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// 内容类型字符串 -> 数据库 content_type(int)
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private const CONTENT_TYPE_MAP = [
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'text' => 0,
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'image' => 1,
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'voice' => 2,
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'video' => 3,
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'file' => 4,
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'gift' => 5,
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];
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public static function handle($client_id, $header, $payload)
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{
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$uid = Gateway::getUidByClientId($client_id);
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if (empty($uid)) {
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MsgReply::sendError($client_id, '未认证，请先登录');
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return;
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}
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$payloadUid = (int)($payload->uid ?? 0);
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if ($payloadUid && $payloadUid != $uid) {
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MsgReply::sendError($client_id, '身份不一致');
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return;
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}
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$contentType = (string)($payload->type ?? 'text');
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if (! isset(self::CONTENT_TYPE_MAP[$contentType])) {
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MsgReply::sendError($client_id, '不支持的消息类型: ' . $contentType);
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return;
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}
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// 礼物消息：仅做实时通知，落库由 HTTP Gift::send 负责
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if ($contentType === 'gift') {
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self::relayGift($client_id, $uid, $payload);
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return;
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}
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$target = (string)($header->target ?? 'single');
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$receiverType = ($target === 'group') ? 1 : 0;
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$receiverId = (int)($target === 'group'
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? ($payload->session_id ?? 0)
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: ($payload->receiver ?? 0));
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if (! $receiverId) {
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MsgReply::sendError($client_id, '接收者无效');
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return;
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}
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$content = $payload->content ?? '';
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// 文本类消息做敏感词过滤
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if ($contentType === 'text') {
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$content = SafetyService::instance()->filter($content);
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}
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$msgId = self::saveMessage($uid, $receiverType, $receiverId, self::CONTENT_TYPE_MAP[$contentType], $content);
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// 单聊：对方未读 +1
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if ($receiverType == 0) {
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WxchatUnreadCount::increment($receiverId, 0, $uid);
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}
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// 构造下发消息并转发
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$out = self::buildOutbound($msgId, $uid, $contentType, $content, $payload);
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if ($receiverType == 0) {
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if (Gateway::isUidOnline($receiverId)) {
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Gateway::sendToUid($receiverId, json_encode($out));
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}
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// 离线：消息已落库，接收方下次拉取 history 获取
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} else {
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Gateway::sendToGroup((string)$receiverId, json_encode($out));
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}
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// 发送方回执
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MsgReply::send($client_id, MsgFrame::STATUS->value, MsgType::DELIVERED->value, 'delivered', [
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'msg_id' => $msgId,
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'receiver' => $receiverId,
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'session_id' => $receiverId,
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]);
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}
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/**
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* 消息落库（可被 HTTP / WebSocket 共用，返回消息ID）
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*/
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public static function saveMessage($senderId, $receiverType, $receiverId, $contentType, $content)
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{
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$msg = new WxchatMessage();
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$msg->sender_id = $senderId;
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$msg->receiver_type = $receiverType;
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$msg->receiver_id = $receiverId;
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$msg->content = $content;
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$msg->content_type = $contentType;
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$msg->save();
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return $msg->id;
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}
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private static function buildOutbound($msgId, $senderId, $contentType, $content, $payload)
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{
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$out = new Message();
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$out->header->frame = MsgFrame::CHAT->value;
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$out->header->type = MsgFrame::CHAT->value;
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$out->payload->msg_id = $msgId;
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$out->payload->uid = $senderId;
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$out->payload->type = $contentType; // 文本类为字符串，媒体类为URL
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$out->payload->content = $content;
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$out->payload->receiver = $payload->receiver ?? 0;
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$out->payload->session_id = $payload->session_id ?? 0;
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$out->payload->status = 'delivered';
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if (! empty($payload->ext)) {
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$out->payload->ext = $payload->ext;
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}
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return $out;
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}
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private static function relayGift($client_id, $uid, $payload)
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{
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$receiver = (int)($payload->receiver ?? 0);
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if (! $receiver) {
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MsgReply::sendError($client_id, '礼物接收者无效');
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return;
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}
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$out = new Message();
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$out->header->frame = MsgFrame::CHAT->value;
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$out->header->type = 'gift';
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$out->payload->uid = $uid;
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$out->payload->receiver = $receiver;
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$out->payload->content = $payload->content ?? '';
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$out->payload->ext = $payload->ext ?? null;
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if (Gateway::isUidOnline($receiver)) {
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Gateway::sendToUid($receiver, json_encode($out));
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}
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MsgReply::send($client_id, MsgFrame::STATUS->value, MsgType::DELIVERED->value, 'delivered', [
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'receiver' => $receiver,
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]);
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}
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}
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