74db7a20af
将项目自有代码的方法名从 camelCase 统一为 snake_case， 符合 WordPress PHP 编码规范。涉及 Routing、Failover、Budget、 Analytics、Usage、ErrorHandler 等模块。外部库接口方法和 Image Provider 子系统保持不变。 Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
90 lines
2.3 KiB
PHP
90 lines
2.3 KiB
PHP
<?php
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/**
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* Availability Strategy - 可用性优先路由策略
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*
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* 选择健康分数最高的 Provider
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*
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* @package WPMind
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* @since 1.9.0
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*/
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declare(strict_types=1);
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namespace WPMind\Routing\Strategies;
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use WPMind\Routing\AbstractStrategy;
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use WPMind\Routing\RoutingContext;
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class AvailabilityStrategy extends AbstractStrategy
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{
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public function get_name(): string
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{
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return 'availability';
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}
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public function get_display_name(): string
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{
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return '可用性优先';
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}
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public function get_description(): string
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{
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return '选择健康分数最高的 Provider，适合对稳定性要求高的场景';
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}
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/**
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* 计算 Provider 的得分
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*
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* 直接使用健康分数
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*/
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public function calculate_score(string $providerId, RoutingContext $context): float
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{
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$healthScore = $context->get_health_score($providerId);
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$latency = $context->get_average_latency($providerId);
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// 延迟作为次要因素（延迟越低加分越多）
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$latencyBonus = 0;
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if ($latency > 0 && $latency < 5000) {
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$latencyBonus = (5000 - $latency) / 5000 * 10; // 最多加 10 分
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}
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return min(100, $healthScore + $latencyBonus);
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}
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/**
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* 对 Provider 列表进行排序
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*
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* 按健康分数降序排列
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*/
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public function rank_providers(RoutingContext $context, array $providers): array
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{
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$available = $this->filter_available($context, $providers);
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if (empty($available)) {
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return [];
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}
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// 计算每个 Provider 的健康分数和延迟
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$providerData = [];
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foreach ($available as $providerId) {
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$providerData[$providerId] = [
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'health' => $context->get_health_score($providerId),
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'latency' => $context->get_average_latency($providerId),
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];
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}
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// 按健康分数降序排序
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uasort($providerData, function ($a, $b) {
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// 健康分数比较
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$healthDiff = $b['health'] - $a['health'];
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if ($healthDiff !== 0) {
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return $healthDiff;
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}
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// 健康分数相同时，延迟低的优先
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return $a['latency'] - $b['latency'];
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});
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return array_keys($providerData);
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}
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}
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