97 lines
2.6 KiB
PHP
97 lines
2.6 KiB
PHP
<?php
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namespace App\Business;
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use App\Models\Business\JstOrderLabel;
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use Illuminate\Support\Facades\Cache;
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/**
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* 聚水潭订单标签明细的筛选下拉选项。
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*
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* 表里有 200 万行以上，distinct 扫描一次要几秒；这里按公司缓存 24 小时，
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* 导入命令结束时会主动预热，避免每次打开页面都慢。
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*/
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class JstOrderLabelOptions
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{
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private const TTL_HOURS = 24;
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private const TOTAL_TTL_MINUTES = 30;
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private const LIMIT = 500;
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/** @return list<string> */
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public function labels(int $companyId): array
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{
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return $this->remember($companyId, 'label');
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}
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/** @return list<string> */
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public function shops(int $companyId): array
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{
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return $this->remember($companyId, 'shop_name');
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}
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public function warm(int $companyId): void
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{
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$this->labels($companyId);
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$this->shops($companyId);
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$this->total($companyId);
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}
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public function forget(int $companyId): void
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{
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Cache::forget($this->key($companyId, 'label'));
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Cache::forget($this->key($companyId, 'shop_name'));
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Cache::forget($this->totalKey($companyId));
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}
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/** 无筛选时的总行数：233 万行上 COUNT(*) 要 2 秒，缓存后翻页不再重复统计。 */
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public function total(int $companyId): int
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{
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$key = $this->totalKey($companyId);
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$cached = Cache::get($key);
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if (is_numeric($cached)) {
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return (int) $cached;
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}
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$count = (int) JstOrderLabel::query()->where('company_id', $companyId)->count();
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Cache::put($key, $count, now()->addMinutes(self::TOTAL_TTL_MINUTES));
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return $count;
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}
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/** @return list<string> */
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private function remember(int $companyId, string $column): array
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{
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$key = $this->key($companyId, $column);
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$cached = Cache::get($key);
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if (is_array($cached)) {
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return $cached;
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}
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$values = JstOrderLabel::query()
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->where('company_id', $companyId)
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->whereNotNull($column)
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->where($column, '<>', '')
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->distinct()
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->orderBy($column)
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->limit(self::LIMIT)
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->pluck($column)
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->all();
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Cache::put($key, $values, now()->addHours(self::TTL_HOURS));
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return $values;
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}
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private function key(int $companyId, string $column): string
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{
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return "jst-order-labels:options:v1:{$companyId}:{$column}";
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}
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private function totalKey(int $companyId): string
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{
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return "jst-order-labels:total:v1:{$companyId}";
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}
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}
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