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383 lines
12 KiB
PHP
383 lines
12 KiB
PHP
<?php
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namespace App\Module\ElasticSearch;
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use App\Models\WebSocketDialogMsg;
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use App\Models\WebSocketDialogUser;
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use Illuminate\Support\Facades\Log;
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/**
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* 对话系统消息索引
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*
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* Class ElasticSearchUserMsg
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* @package App\Module\ElasticSearch
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*/
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class ElasticSearchUserMsg extends ElasticSearchBase
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{
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/**
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* 构造函数
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* @return ElasticSearchBase
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* @throws \Elastic\Elasticsearch\Exception\ConfigException
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*/
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public function __construct()
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{
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return parent::__construct(self::indexName());
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}
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/** ******************************************************************************************************** */
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/** *********************************************** 基础 ************************************************** */
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/** ******************************************************************************************************** */
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/**
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* 索引名称
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* @return string
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*/
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public static function indexName()
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{
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return "dialog_user_msg" . env("ES_INDEX_SUFFIX", "");
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}
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/**
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* 创建聊天系统索引 - 使用父子关系
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* @return array
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*/
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public static function generateIndex()
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{
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// 定义映射
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$mappings = [
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'properties' => [
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// 共用字段
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'dialog_id' => ['type' => 'keyword'],
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'created_at' => ['type' => 'date'],
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'updated_at' => ['type' => 'date'],
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// dialog_users 字段
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'userid' => ['type' => 'keyword'],
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'top_at' => ['type' => 'date'],
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'last_at' => ['type' => 'date'],
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'mark_unread' => ['type' => 'integer'],
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'silence' => ['type' => 'integer'],
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'hide' => ['type' => 'integer'],
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'color' => ['type' => 'keyword'],
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// dialog_msgs 字段
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'msg_id' => ['type' => 'keyword'],
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'sender_userid' => ['type' => 'keyword'],
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'msg_type' => ['type' => 'keyword'],
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'key' => ['type' => 'text'],
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'bot' => ['type' => 'integer'],
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// Join字段定义父子关系
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'relationship' => [
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'type' => 'join',
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'relations' => [
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'dialog_user' => 'dialog_msg' // dialog_user是父文档,dialog_msg是子文档
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]
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],
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]
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];
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// 索引设置
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$settings = [
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'number_of_shards' => 5,
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'number_of_replicas' => 1,
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'refresh_interval' => '5s'
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];
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try {
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$es = new self();
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return $es->createIndex($settings, $mappings);
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} catch (\Exception $e) {
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Log::error('创建聊天系统索引失败: ' . $e->getMessage());
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return ['error' => $e->getMessage()];
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}
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}
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/**
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* 构建对话系统特定的搜索 - 根据用户ID和消息关键词搜索会话
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* @param string $userid 用户ID
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* @param string $keyword 消息关键词
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* @param int $size 返回结果数量
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* @return array
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*/
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public static function searchByKeyword($userid, $keyword, $size = 20)
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{
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// 注意这里的类型名称要与创建索引时的一致
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$query = [
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'bool' => [
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'must' => [
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[
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'term' => [
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'userid' => $userid
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]
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],
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[
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'has_child' => [
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'type' => 'dialog_msg',
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'query' => [
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'bool' => [
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'must' => [
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[
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'match_phrase' => [
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'key' => $keyword
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]
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],
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[
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'term' => [
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'bot' => 0
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]
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]
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]
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]
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],
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'inner_hits' => [
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'size' => 1,
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'sort' => [
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'msg_id' => 'desc'
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]
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]
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]
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]
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]
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]
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];
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// 结果集合
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$searchMap = [];
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try {
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// 开始搜索
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$es = new self();
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$results = $es->search($query, 0, $size, ['last_at' => 'desc']);
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// 处理搜索结果
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$hits = $results['hits']['hits'] ?? [];
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foreach ($hits as $hit) {
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if (isset($hit['inner_hits']['dialog_msg']['hits']['hits'][0])) {
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$msgHit = $hit['inner_hits']['dialog_msg']['hits']['hits'][0];
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$source = $hit['_source'];
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$msgSource = $msgHit['_source'];
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$searchMap[] = [
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'id' => $source['dialog_id'],
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'top_at' => $source['top_at'],
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'last_at' => $source['last_at'],
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'mark_unread' => $source['mark_unread'],
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'silence' => $source['silence'],
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'hide' => $source['hide'],
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'color' => $source['color'],
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'user_at' => $source['updated_at'],
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'search_msg_id' => $msgSource['msg_id'],
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];
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}
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}
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} catch (\Exception $e) {
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Log::error('searchByKeyword: ' . $e->getMessage());
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}
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// 返回搜索结果
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return $searchMap;
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}
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/** ******************************************************************************************************** */
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/** *********************************************** 用户 ************************************************** */
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/** ******************************************************************************************************** */
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/**
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* 会话用户 - 生成文档ID
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* @param WebSocketDialogUser $dialogUser
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* @return string
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*/
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public static function generateUserDicId(WebSocketDialogUser $dialogUser)
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{
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return "user_{$dialogUser->userid}_dialog_{$dialogUser->dialog_id}";
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}
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/**
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* 会话用户 - 生成文档格式
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* @param WebSocketDialogUser $dialogUser
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* @return array
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*/
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public static function generateUserFormat(WebSocketDialogUser $dialogUser)
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{
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return [
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'dialog_id' => $dialogUser->dialog_id,
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'created_at' => $dialogUser->created_at,
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'updated_at' => $dialogUser->updated_at,
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'userid' => $dialogUser->userid,
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'top_at' => $dialogUser->top_at,
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'last_at' => $dialogUser->last_at,
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'mark_unread' => $dialogUser->mark_unread ? 1 : 0,
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'silence' => $dialogUser->silence ? 1 : 0,
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'hide' => $dialogUser->hide ? 1 : 0,
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'color' => $dialogUser->color,
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'relationship' => [
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'name' => 'dialog_user'
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]
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];
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}
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/**
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* 会话用户 - 同步到Elasticsearch
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* @param WebSocketDialogUser $dialogUser
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* @return void
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*/
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public static function syncUser(WebSocketDialogUser $dialogUser)
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{
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try {
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$es = new self();
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$es->indexDocument(self::generateUserFormat($dialogUser), self::generateUserDicId($dialogUser));
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} catch (\Exception $e) {
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Log::error('syncUser: ' . $e->getMessage());
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}
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}
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/**
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* 会话用户 - 从Elasticsearch删除
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*/
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public static function deleteUser(WebSocketDialogUser $dialogUser)
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{
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try {
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$es = new self();
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$docId = "user_{$dialogUser->userid}_dialog_{$dialogUser->dialog_id}";
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// 删除用户-会话文档
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$es->deleteDocument($docId);
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// 注意:这里可能还需要删除所有关联的消息文档
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// 但由于父子关系,可以通过查询找到所有子文档并删除
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// 这里为简化,可以选择在后台任务中处理,或者直接依赖ES的级联删除功能
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} catch (\Exception $e) {
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Log::error('deleteUser: ' . $e->getMessage());
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}
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}
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/** ******************************************************************************************************** */
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/** *********************************************** 消息 ************************************************** */
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/** ******************************************************************************************************** */
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/**
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* 会话消息 - 生成父文档ID
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* @param WebSocketDialogMsg $dialogMsg
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* @param $userid
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* @return string
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*/
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public static function generateMsgParentId(WebSocketDialogMsg $dialogMsg, $userid)
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{
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return "user_{$userid}_dialog_{$dialogMsg->dialog_id}";
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}
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/**
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* 会话消息 - 生成文档ID
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* @param WebSocketDialogMsg $dialogMsg
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* @param $userid
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* @return string
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*/
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public static function generateMsgDicId(WebSocketDialogMsg $dialogMsg, $userid)
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{
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return "msg_{$dialogMsg->id}_user_{$userid}";
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}
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/**
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* 会话消息 - 生成文档格式
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* @param WebSocketDialogMsg $dialogMsg
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* @param $userid
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* @return array
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*/
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public static function generateMsgFormat(WebSocketDialogMsg $dialogMsg, $userid)
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{
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return [
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'dialog_id' => $dialogMsg->dialog_id,
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'created_at' => $dialogMsg->created_at,
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'updated_at' => $dialogMsg->updated_at,
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'msg_id' => $dialogMsg->id,
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'sender_userid' => $dialogMsg->userid,
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'msg_type' => $dialogMsg->type,
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'key' => $dialogMsg->key,
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'bot' => $dialogMsg->bot ? 1 : 0,
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'relationship' => [
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'name' => 'dialog_msg',
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'parent' => self::generateMsgParentId($dialogMsg, $userid)
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]
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];
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}
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/**
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* 会话消息 - 同步到Elasticsearch
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*/
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public static function syncMsg(WebSocketDialogMsg $dialogMsg)
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{
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try {
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$es = new self();
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// 获取此会话的所有用户
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$dialogUsers = WebSocketDialogUser::whereDialogId($dialogMsg->dialog_id)->get();
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if ($dialogUsers->isEmpty()) {
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return;
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}
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$params = ['body' => []];
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foreach ($dialogUsers as $dialogUser) {
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$params['body'][] = [
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'index' => [
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'_index' => self::indexName(),
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'_id' => self::generateMsgDicId($dialogMsg, $dialogUser->userid),
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'routing' => self::generateMsgParentId($dialogMsg, $dialogUser->userid)
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]
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];
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$params['body'][] = self::generateMsgFormat($dialogMsg, $dialogUser->userid);
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}
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if (!empty($params['body'])) {
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$es->bulk($params);
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}
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} catch (\Exception $e) {
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Log::error('syncMsg: ' . $e->getMessage());
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}
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}
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/**
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* 会话消息 - 从Elasticsearch删除
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*/
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public static function deleteMsg(WebSocketDialogMsg $dialogMsg)
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{
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try {
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$es = new self();
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// 获取此会话的所有用户
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$dialogUsers = WebSocketDialogUser::whereDialogId($dialogMsg->dialog_id)->get();
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if ($dialogUsers->isEmpty()) {
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return;
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}
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$params = ['body' => []];
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foreach ($dialogUsers as $dialogUser) {
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$params['body'][] = [
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'delete' => [
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'_index' => self::indexName(),
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'_id' => self::generateMsgDicId($dialogMsg, $dialogUser->userid),
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'routing' => self::generateMsgParentId($dialogMsg, $dialogUser->userid)
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]
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];
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}
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if (!empty($params['body'])) {
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$es->bulk($params);
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}
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} catch (\Exception $e) {
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Log::error('deleteMsg: ' . $e->getMessage());
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}
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}
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}
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