69 lines
2.5 KiB
PHP
69 lines
2.5 KiB
PHP
<?php
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namespace Modules\SystemTool\Http\Middleware;
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use Closure;
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use Illuminate\Http\Request;
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use Illuminate\Support\Facades\Cache;
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use Illuminate\Support\Facades\Crypt;
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use Illuminate\Support\Facades\DB;
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use Modules\SystemTool\Base\SettingsDefinition;
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use Modules\SystemTool\Enum\ESettingType;
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use Symfony\Component\HttpFoundation\Response;
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/**
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* 全局中间件 — 从缓存加载 DB 应用设置到 config() 运行时
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*
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* 每次请求自动执行，确保 config('mail.*') / config('filesystems.*') 等
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* 返回的是数据库中的值而非配置文件的默认值。
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*
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* 聚合缓存键名: SettingsDefinition::AGGREGATE_CACHE_KEY
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* 在 SettingsDefinition::set() 写入时会自动清除该缓存，
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* 使下一次请求重新从 DB 加载最新值。
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*/
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class LoadAppSettingsMiddleware
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{
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/**
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* Handle an incoming request.
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*
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* @param Closure(Request): (Response) $next
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*/
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public function handle(Request $request, Closure $next): Response
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{
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// 从聚合缓存加载（rememberForever = 永不过期，仅 set() 时清除）
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$settings = Cache::rememberForever(SettingsDefinition::AGGREGATE_CACHE_KEY, function () {
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return $this->loadAllFromDB();
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});
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// 写入 Laravel config() 运行时
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foreach ($settings as $key => $value) {
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config([$key => $value]);
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}
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return $next($request);
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}
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/**
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* 从数据库加载所有应用设置，按类型转换后返回 key → value 数组
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*/
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protected function loadAllFromDB(): array
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{
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$rows = DB::table(SettingsDefinition::getTableName())->get();
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$result = [];
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foreach ($rows as $row) {
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$result[$row->key] = match ((int) $row->type) {
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ESettingType::String->value => $row->s,
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ESettingType::Bool->value => is_null($row->n) ? null : (bool) $row->n,
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ESettingType::Number->value => is_null($row->n) ? null : (int) $row->n,
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ESettingType::Array->value => is_null($row->e) ? null : json_decode($row->e, true),
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ESettingType::Object->value => is_null($row->e) ? null : unserialize(base64_decode($row->e)),
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ESettingType::EncryptedString->value => is_null($row->e) ? null : Crypt::decrypt(base64_decode($row->e)),
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default => $row->s ?? null,
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};
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}
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return $result;
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}
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}
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