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perf: 优化全文搜索

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kuaifan
2025-04-18 12:56:21 +08:00
parent 924f0a9f7c
commit 5aed9ce29e
5 changed files with 195 additions and 58 deletions
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app/Module/ZincSearch/ZincSearchDialogMsg.php Normal file
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<?php
namespace App\Module\ZincSearch;
use App\Models\WebSocketDialogMsg;
use App\Models\WebSocketDialogUser;
use Carbon\Carbon;
use Illuminate\Support\Facades\Log;
use Swoole\Coroutine;
/**
* ZincSearch 会话消息类
*
* 使用方法:
*
* 1. 基础方法
* - 清空所有数据: clear();
*
* 2. 搜索方法
* - 关键词搜索: search('用户ID', '关键词');
*
* 3. 基本方法
* - 单个同步: sync(WebSocketDialogMsg $dialogMsg);
* - 批量同步: batchSync(WebSocketDialogMsg[] $dialogMsgs);
* - 用户同步: userSync(WebSocketDialogUser $dialogUser);
* - 删除消息: delete(WebSocketDialogMsg|WebSocketDialogUser|int $data);
*/
class ZincSearchDialogMsg
{
/**
* 索引名称
*/
protected static string $indexNameMsg = 'dialogMsg';
protected static string $indexNameUser = 'dialogUser';
// ==============================
// 基础方法
// ==============================
/**
* 确保索引存在
*/
private static function ensureIndex(): bool
{
if (!ZincSearchBase::indexExists(self::$indexNameMsg)) {
$mappings = [
'properties' => [
// 拓展数据
'dialog_userid' => ['type' => 'keyword', 'index' => true], // 对话ID+用户ID
'to_userid' => ['type' => 'numeric', 'index' => true], // 此消息发给的用户ID
// 消息数据
'id' => ['type' => 'numeric', 'index' => true],
'dialog_id' => ['type' => 'numeric', 'index' => true],
'dialog_type' => ['type' => 'keyword', 'index' => true],
'session_id' => ['type' => 'numeric', 'index' => true],
'userid' => ['type' => 'numeric', 'index' => true],
'type' => ['type' => 'keyword', 'index' => true],
'key' => ['type' => 'text', 'index' => true],
'created_at' => ['type' => 'date', 'index' => true],
'updated_at' => ['type' => 'date', 'index' => true],
]
];
$result = ZincSearchBase::createIndex(self::$indexNameMsg, $mappings);
return $result['success'] ?? false;
}
if (!ZincSearchBase::indexExists(self::$indexNameUser)) {
$mappings = [
'properties' => [
// 拓展数据
'dialog_userid' => ['type' => 'keyword', 'index' => true], // 对话ID+用户ID
// 用户数据
'id' => ['type' => 'numeric', 'index' => true],
'dialog_id' => ['type' => 'numeric', 'index' => true],
'userid' => ['type' => 'numeric', 'index' => true],
'top_at' => ['type' => 'date', 'index' => true],
'last_at' => ['type' => 'date', 'index' => true],
'mark_unread' => ['type' => 'numeric', 'index' => true],
'silence' => ['type' => 'numeric', 'index' => true],
'hide' => ['type' => 'numeric', 'index' => true],
'color' => ['type' => 'keyword', 'index' => true],
'created_at' => ['type' => 'date', 'index' => true],
'updated_at' => ['type' => 'date', 'index' => true],
]
];
$result = ZincSearchBase::createIndex(self::$indexNameUser, $mappings);
return $result['success'] ?? false;
}
return true;
}
/**
* 清空所有键值
*
* @return bool 是否成功
*/
public static function clear(): bool
{
// 检查索引是否存在然后删除
if (ZincSearchBase::indexExists(self::$indexNameMsg)) {
$deleteResult = ZincSearchBase::deleteIndex(self::$indexNameMsg);
if (!($deleteResult['success'] ?? false)) {
return false;
}
}
if (ZincSearchBase::indexExists(self::$indexNameUser)) {
$deleteResult = ZincSearchBase::deleteIndex(self::$indexNameUser);
if (!($deleteResult['success'] ?? false)) {
return false;
}
}
return self::ensureIndex();
}
// ==============================
// 搜索方法
// ==============================
/**
* 根据用户ID和消息关键词搜索会话
*
* @param string $userid 用户ID
* @param string $keyword 消息关键词
* @param int $from 起始位置
* @param int $size 返回结果数量
* @return array
*/
public static function search(string $userid, string $keyword, int $from = 0, int $size = 20): array
{
$searchParams = [
'query' => [
'bool' => [
'must' => [
['term' => ['to_userid' => $userid]],
['match_phrase' => ['key' => $keyword]]
]
]
],
'from' => $from,
'size' => $size,
'sort' => [
['updated_at' => 'desc']
]
];
try {
$result = ZincSearchBase::elasticSearch(self::$indexNameMsg, $searchParams);
$hits = $result['data']['hits']['hits'] ?? [];
// 收集所有的用户信息
$dialogUserids = [];
foreach ($hits as $hit) {
$source = $hit['_source'];
$dialogUserids[] = $source['dialog_userid'];
}
$userInfos = self::searchUser(array_unique($dialogUserids));
// 组合返回结果，将用户信息合并到消息中
$msgs = [];
foreach ($hits as $hit) {
$msgInfo = $hit['_source'];
$userInfo = $userInfos[$msgInfo['dialog_userid']] ?? [];
if ($userInfo) {
$msgs[] = [
'id' => $msgInfo['dialog_id'],
'search_msg_id' => $msgInfo['id'],
'user_at' => Carbon::parse($msgInfo['updated_at'])->format('Y-m-d H:i:s'),
'mark_unread' => $userInfo['mark_unread'],
'silence' => $userInfo['silence'],
'hide' => $userInfo['hide'],
'color' => $userInfo['color'],
'top_at' => Carbon::parse($userInfo['top_at'])->format('Y-m-d H:i:s'),
'last_at' => Carbon::parse($userInfo['last_at'])->format('Y-m-d H:i:s'),
];
}
}
return $msgs;
} catch (\Exception $e) {
Log::error('search: ' . $e->getMessage());
return [];
}
}
/**
* 根据对话用户ID搜索用户信息
* @param array $dialogUserids
* @return array
*/
private static function searchUser(array $dialogUserids): array
{
if (empty($dialogUserids)) {
return [];
}
$userInfos = [];
// 构建用户查询条件
$userSearchParams = [
'query' => [
'bool' => [
'should' => []
]
],
'size' => count($dialogUserids) // 确保取到所有符合条件的记录
];
// 添加所有 dialog_userid 到查询条件
foreach ($dialogUserids as $dialogUserid) {
$userSearchParams['query']['bool']['should'][] = [
'term' => ['dialog_userid' => $dialogUserid]
];
}
// 查询用户信息
$userResult = ZincSearchBase::elasticSearch(self::$indexNameUser, $userSearchParams);
$userHits = $userResult['data']['hits']['hits'] ?? [];
// 以 dialog_userid 为键保存用户信息
foreach ($userHits as $userHit) {
$userSource = $userHit['_source'];
$userInfos[$userSource['dialog_userid']] = $userSource;
}
return $userInfos;
}
// ==============================
// 基本方法
// ==============================
/**
* 生成 dialog_userid
*
* @param WebSocketDialogUser $dialogUser
* @return string
*/
private static function generateDialogUserid(WebSocketDialogUser $dialogUser): string
{
return "{$dialogUser->dialog_id}_{$dialogUser->userid}";
}
/**
* 生成文档内容
*
* @param WebSocketDialogMsg $dialogMsg
* @param WebSocketDialogUser $dialogUser
* @return array
*/
private static function generateMsgData(WebSocketDialogMsg $dialogMsg, WebSocketDialogUser $dialogUser): array
{
return [
'_id' => self::$indexNameMsg . "_" . $dialogMsg->id . "_" . $dialogUser->userid,
'dialog_userid' => self::generateDialogUserid($dialogUser),
'to_userid' => $dialogUser->userid,
'id' => $dialogMsg->id,
'dialog_id' => $dialogMsg->dialog_id,
'dialog_type' => $dialogMsg->dialog_type,
'session_id' => $dialogMsg->session_id,
'userid' => $dialogMsg->userid,
'type' => $dialogMsg->type,
'key' => $dialogMsg->key,
'created_at' => $dialogMsg->created_at,
'updated_at' => $dialogMsg->updated_at,
];
}
private static function generateUserData(WebSocketDialogUser $dialogUser): array
{
return [
'_id' => self::$indexNameUser . "_" . $dialogUser->id,
'dialog_userid' => self::generateDialogUserid($dialogUser),
'id' => $dialogUser->id,
'dialog_id' => $dialogUser->dialog_id,
'userid' => $dialogUser->userid,
'top_at' => $dialogUser->top_at,
'last_at' => $dialogUser->last_at,
'mark_unread' => $dialogUser->mark_unread,
'silence' => $dialogUser->silence,
'hide' => $dialogUser->hide,
'color' => $dialogUser->color,
'created_at' => $dialogUser->created_at,
'updated_at' => $dialogUser->updated_at,
];
}
/**
* 同步消息
*
* @param WebSocketDialogMsg $dialogMsg
* @return bool
*/
public static function sync(WebSocketDialogMsg $dialogMsg): bool
{
if (!self::ensureIndex()) {
return false;
}
if ($dialogMsg->bot) {
// 如果是机器人消息，跳过
return true;
}
try {
// 获取此会话的所有用户
$dialogUsers = WebSocketDialogUser::whereDialogId($dialogMsg->dialog_id)->get();
if ($dialogUsers->isEmpty()) {
return true;
}
$msgs = [];
$users = [];
foreach ($dialogUsers as $dialogUser) {
if (empty($dialogMsg->key)) {
// 如果消息没有关键词，跳过
continue;
}
if ($dialogUser->userid == 0) {
// 跳过系统用户
continue;
}
$msgs[] = self::generateMsgData($dialogMsg, $dialogUser);
$users[$dialogUser->id] = self::generateUserData($dialogUser);
}
if ($msgs) {
// 批量写入消息
ZincSearchBase::addDocs(self::$indexNameMsg, $msgs);
}
if ($users) {
// 批量写入用户
ZincSearchBase::addDocs(self::$indexNameUser, array_values($users));
}
return true;
} catch (\Exception $e) {
Log::error('sync: ' . $e->getMessage());
return false;
}
}
/**
* 批量同步消息
*
* @param WebSocketDialogMsg[] $dialogMsgs
* @return int 成功同步的消息数
*/
public static function batchSync($dialogMsgs): int
{
if (!self::ensureIndex()) {
return 0;
}
$count = 0;
try {
$msgs = [];
$users = [];
$userDialogs = [];
// 预处理：收集所有涉及的对话ID
$dialogIds = [];
foreach ($dialogMsgs as $dialogMsg) {
$dialogIds[] = $dialogMsg->dialog_id;
}
$dialogIds = array_unique($dialogIds);
// 获取所有相关的用户-对话关系
if (!empty($dialogIds)) {
$dialogUsers = WebSocketDialogUser::whereIn('dialog_id', $dialogIds)->get();
// 按对话ID组织用户
foreach ($dialogUsers as $dialogUser) {
$userDialogs[$dialogUser->dialog_id][] = $dialogUser;
}
}
// 为每条消息准备所有相关用户的文档
foreach ($dialogMsgs as $dialogMsg) {
if (!isset($userDialogs[$dialogMsg->dialog_id])) {
// 如果该会话没有用户，跳过
continue;
}
if ($dialogMsg->bot) {
// 如果是机器人消息，跳过
return true;
}
/** @var WebSocketDialogUser $dialogUser */
foreach ($userDialogs[$dialogMsg->dialog_id] as $dialogUser) {
if (empty($dialogMsg->key)) {
// 如果消息没有关键词，跳过
continue;
}
if ($dialogUser->userid == 0) {
// 跳过系统用户
continue;
}
$msgs[] = self::generateMsgData($dialogMsg, $dialogUser);
$users[$dialogUser->id] = self::generateUserData($dialogUser);
$count++;
}
}
if ($msgs) {
// 批量写入消息
ZincSearchBase::addDocs(self::$indexNameMsg, $msgs);
}
if ($users) {
// 批量写入用户
ZincSearchBase::addDocs(self::$indexNameUser, array_values($users));
}
} catch (\Exception $e) {
Log::error('batchSync: ' . $e->getMessage());
}
return $count;
}
/**
* 同步用户
* @param WebSocketDialogUser $dialogUser
* @return bool
*/
public static function userSync(WebSocketDialogUser $dialogUser): bool
{
if (!self::ensureIndex()) {
return false;
}
$data = self::generateUserData($dialogUser);
// 生成查询用户条件
$searchParams = [
'query' => [
'bool' => [
'must' => [
['term' => ['dialog_userid' => $data['dialog_userid']]]
]
]
],
'size' => 1
];
try {
// 查询用户是否存在
$result = ZincSearchBase::elasticSearch(self::$indexNameUser, $searchParams);
$hits = $result['data']['hits']['hits'] ?? [];
// 同步用户（存在更新、不存在添加）
$result = ZincSearchBase::addDoc(self::$indexNameUser, $data);
if (!isset($result['success'])) {
return false;
}
// 用户不存在，同步消息
if (empty($hits)) {
go(function () use ($dialogUser) {
Coroutine::sleep(0.1);
$lastId = 0; // 上次同步的最后ID
$batchSize = 500; // 每批处理的消息数量
// 分批同步消息
do {
// 获取一批
$dialogMsgs = WebSocketDialogMsg::whereDialogId($dialogUser->dialog_id)
->where('id', '>', $lastId)
->orderBy('id')
->limit($batchSize)
->get();
if ($dialogMsgs->isEmpty()) {
break;
}
// 同步数据
ZincSearchDialogMsg::batchSync($dialogMsgs);
// 更新最后ID
$lastId = $dialogMsgs->last()->id;
} while (count($dialogMsgs) == $batchSize);
});
}
return true;
} catch (\Exception $e) {
Log::error('userSync: ' . $e->getMessage());
return false;
}
}
/**
* 删除
*
* @param WebSocketDialogMsg|WebSocketDialogUser|int $data
* @return int
*/
public static function delete(mixed $data): int
{
$batchSize = 500; // 每批处理的文档数量
$totalDeleted = 0; // 总共删除的文档数量
$from = 0;
// 根据数据类型生成查询条件
if ($data instanceof WebSocketDialogMsg) {
$query = [
'field' => 'id',
'term' => (string) $data->id
];
} elseif ($data instanceof WebSocketDialogUser) {
$query = [
'field' => 'dialog_userid',
'term' => self::generateDialogUserid($data),
];
} else {
$query = [
'field' => 'id',
'term' => (string) $data
];
}
try {
while (true) {
// 根据消息ID查找相关文档
$result = ZincSearchBase::advancedSearch(self::$indexNameMsg, [
'search_type' => 'term',
'query' => $query,
'from' => $from,
'max_results' => $batchSize
]);
$hits = $result['data']['hits']['hits'] ?? [];
// 如果没有更多文档，退出循环
if (empty($hits)) {
break;
}
// 删除本批次找到的所有文档
foreach ($hits as $hit) {
if (isset($hit['_id'])) {
ZincSearchBase::deleteDoc(self::$indexNameMsg, $hit['_id']);
$totalDeleted++;
}
}
// 如果返回的文档数少于批次大小，说明已经没有更多文档了
if (count($hits) < $batchSize) {
break;
}
// 移动到下一批
$from += $batchSize;
}
} catch (\Exception $e) {
Log::error('delete: ' . $e->getMessage());
}
return $totalDeleted;
}
}