82 lines
2.2 KiB
PHP
82 lines
2.2 KiB
PHP
<?php
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namespace app\common\model;
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class UserPosterCache extends Base
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{
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// 设置当前模型对应的完整数据表名称
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protected $table = 'user_poster_cache';
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// 设置字段信息
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protected $schema = [
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'id' => 'int',
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'user_id' => 'int',
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'app_id' => 'string',
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'template_hash' => 'string',
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'cos_url' => 'string',
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'file_size' => 'int',
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'mime_type' => 'string',
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'status' => 'int',
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'created_at' => 'datetime',
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'updated_at' => 'datetime',
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'expires_at' => 'datetime',
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];
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/**
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* 查找用户的有效海报缓存
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*
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* @param int $userId 用户ID
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* @param string $templateHash 模板哈希
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* @param string $appId 小程序APPID
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* @return array|null 缓存记录
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*/
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public static function findValidCache($userId, $templateHash, $appId)
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{
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return self::where([
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'user_id' => $userId,
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'template_hash' => $templateHash,
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'app_id' => $appId,
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'status' => 1
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])
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->where('expires_at', '>', date('Y-m-d H:i:s'))
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->find();
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}
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/**
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* 失效指定用户的所有其他模板海报
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*
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* @param int $userId 用户ID
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* @param string $currentTemplateHash 当前模板哈希
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* @return bool 操作结果
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*/
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public static function invalidateOldCaches($userId, $currentTemplateHash)
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{
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return self::where('user_id', $userId)
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->where('template_hash', '<>', $currentTemplateHash)
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->update(['status' => 0]);
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}
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/**
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* 清理过期的海报缓存记录
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*
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* @param int $limit 最大处理记录数
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* @return int 清理的记录数
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*/
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public static function cleanExpiredCaches($limit = 100)
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{
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// 查询过期的缓存记录
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$expiredCaches = self::where('expires_at', '<', date('Y-m-d H:i:s'))
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->where('status', 1)
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->limit($limit)
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->select();
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$cleanCount = 0;
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foreach ($expiredCaches as $cache) {
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$cache->status = 0;
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$cache->save();
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$cleanCount++;
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}
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return $cleanCount;
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}
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}
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