52 lines
1.4 KiB
PHP
52 lines
1.4 KiB
PHP
<?php
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namespace App\Service;
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use App\Cache\FriendRemark;
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use App\Model\UsersFriend;
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class UserFriendService
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{
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/**
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* 获取好友备注
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*
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* @param int $user_id 用户ID
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* @param int $friend_id 好友ID
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* @return string
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*/
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public function getFriendRemark(int $user_id, int $friend_id)
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{
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$remark = FriendRemark::getInstance()->read($user_id, $friend_id);
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if ($remark) return $remark;
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$remark = UsersFriend::where('user_id', $user_id)->where('friend_id', $friend_id)->value('remark');
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if ($remark) FriendRemark::getInstance()->save($user_id, $friend_id, $remark);
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return (string)$remark;
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}
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/**
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* 判断用户之间是否存在好友关系
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*
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* @param int $user_id 用户ID
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* @param int $friend_id 好友ID
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* @param bool $is_cache 是否允许读取缓存
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* @param bool $is_mutual 相互互为好友
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* @return bool
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*/
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public function isFriend(int $user_id, int $friend_id, bool $is_cache = false, $is_mutual = false)
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{
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$cacheKey = "good_friends:{$user_id}_{$friend_id}";
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if ($is_cache && redis()->get($cacheKey)) {
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return true;
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}
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$isTrue = UsersFriend::query()->where('user_id', $user_id)->where('friend_id', $friend_id)->where('status', 1)->exists();
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if ($isTrue) {
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redis()->setex($cacheKey, 60 * 5, 1);
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}
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return $isTrue;
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}
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}
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