88 lines
2.0 KiB
PHP
88 lines
2.0 KiB
PHP
<?php
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namespace App\Traits;
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use Illuminate\Support\Facades\Cache;
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/**
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* 预期给所有拥有浏览计数的模型使用
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* 使用缓存，计算浏览量，定期更新缓存至数据库中
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*/
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trait HasClicks
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{
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protected int $saveRate = 20;
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/**
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* Notes : 获取点击量的字段
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*
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* @Date : 2021/3/17 9:39 上午
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* @Author : <Jason.C>
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* @return string
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*/
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private function getClicksField(): string
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{
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return $this->clicks_filed ?? 'clicks';
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}
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/**
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* Notes : 获取缓存前缀
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*
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* @Date : 2021/3/16 5:52 下午
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* @Author : <Jason.C>
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* @return string
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*/
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private function getClickCachePrefix(): string
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{
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return $this->cachePrefix ?? class_basename(__CLASS__);
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}
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/**
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* Notes : 生成一个缓存KEY
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*
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* @Date : 2021/3/16 5:52 下午
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* @Author : <Jason.C>
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* @param string|null $appends
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* @return string
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*/
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private function getCacheKey(string $appends = null): string
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{
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return $this->getClickCachePrefix().':'.$this->getKey().':'.$appends;
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}
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/**
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* Notes : 增加点击量
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*
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* @Date : 2021/3/17 9:20 上午
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* @Author : <Jason.C>
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* @param int $step
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*/
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public function incrementClicks(int $step = 1): void
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{
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Cache::increment($this->getCacheKey('clicks'), $step);
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if (rand(1, $this->saveRate) === 1) {
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$this->update([$this->getClicksField() => $this->clicks]);
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}
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}
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/**
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* Notes : 获取缓存的浏览次数
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*
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* @Date : 2021/3/16 5:52 下午
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* @Author : <Jason.C>
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* @return int
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*/
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public function getClicksAttribute(): int
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{
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$clicks = Cache::get($this->getCacheKey('clicks'));
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if (is_null($clicks)) {
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return Cache::rememberForever($this->getCacheKey('clicks'), function () {
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return $this->getAttributes()[$this->getClicksField()];
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});
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} else {
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return $clicks;
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}
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}
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}
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