49 lines
1.3 KiB
PHP
49 lines
1.3 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\Contact;
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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 $friend_id): string
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{
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$remark = FriendRemark::getInstance()->read($user_id, $friend_id);
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if ($remark) return $remark;
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$remark = Contact::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_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, $is_mutual = false): bool
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{
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$isTrue1 = Contact::where('user_id', $user_id)->where('friend_id', $friend_id)->where('status', 1)->exists();
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if ($is_mutual === false) {
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return $isTrue1;
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}
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$isTrue2 = Contact::where('user_id', $friend_id)->where('friend_id', $user_id)->where('status', 1)->exists();
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return $isTrue1 && $isTrue2;
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}
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}
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