0ab7d3582d
- 删除 10 个兼容层文件 (~55KB)，调用方直接引用模块类 - cost-control 模块改为不可禁用，ModuleLoader 强制启用 - ProviderRegistrar 改用字符串 FQCN，添加 wpmind_provider_map filter - IntelligentRouter 添加 wpmind_register_routing_strategies action - routing.php 添加 class_exists() 守卫处理 analytics 模块禁用 - AjaxController analytics 端点添加 class_exists() 守卫 - 更新集成测试移除已删除文件引用 Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
106 lines
2.8 KiB
PHP
106 lines
2.8 KiB
PHP
<?php
|
||
/**
|
||
* Cost Strategy - 成本优先路由策略
|
||
*
|
||
* 选择成本最低的 Provider
|
||
*
|
||
* @package WPMind
|
||
* @since 1.9.0
|
||
*/
|
||
|
||
declare(strict_types=1);
|
||
|
||
namespace WPMind\Routing\Strategies;
|
||
|
||
use WPMind\Routing\AbstractStrategy;
|
||
use WPMind\Routing\RoutingContext;
|
||
use WPMind\Modules\CostControl\UsageTracker;
|
||
|
||
class CostStrategy extends AbstractStrategy
|
||
{
|
||
public function get_name(): string
|
||
{
|
||
return 'cost';
|
||
}
|
||
|
||
public function get_display_name(): string
|
||
{
|
||
return '成本优先';
|
||
}
|
||
|
||
public function get_description(): string
|
||
{
|
||
return '选择成本最低的 Provider，适合预算敏感的场景';
|
||
}
|
||
|
||
/**
|
||
* 计算 Provider 的得分
|
||
*
|
||
* 成本越低，得分越高
|
||
*/
|
||
public function calculate_score(string $providerId, RoutingContext $context): float
|
||
{
|
||
// 获取预估成本
|
||
$estimatedCost = $context->estimate_cost($providerId);
|
||
|
||
// 获取健康分数作为权重因子
|
||
$healthScore = $context->get_health_score($providerId);
|
||
|
||
// 如果健康分数太低，大幅降低得分
|
||
if ($healthScore < 50) {
|
||
return $healthScore * 0.5;
|
||
}
|
||
|
||
// 成本归一化（假设最大成本为 $1 per request）
|
||
// 成本越低，得分越高
|
||
$costScore = $this->normalize_score($estimatedCost, 0, 1.0, true);
|
||
|
||
// 综合得分：成本权重 80%，健康权重 20%
|
||
return ($costScore * 0.8) + ($healthScore * 0.2);
|
||
}
|
||
|
||
/**
|
||
* 对 Provider 列表进行排序
|
||
*
|
||
* 按成本升序排列，同成本时按健康分数降序
|
||
*/
|
||
public function rank_providers(RoutingContext $context, array $providers): array
|
||
{
|
||
$available = $this->filter_available($context, $providers);
|
||
|
||
if (empty($available)) {
|
||
return [];
|
||
}
|
||
|
||
// 计算每个 Provider 的成本和健康分数
|
||
$providerData = [];
|
||
foreach ($available as $providerId) {
|
||
$providerData[$providerId] = [
|
||
'cost' => $context->estimate_cost($providerId),
|
||
'health' => $context->get_health_score($providerId),
|
||
];
|
||
}
|
||
|
||
// 按成本升序排序，同成本时按健康分数降序
|
||
uasort($providerData, function ($a, $b) {
|
||
// 健康分数太低的排在后面
|
||
if ($a['health'] < 50 && $b['health'] >= 50) {
|
||
return 1;
|
||
}
|
||
if ($b['health'] < 50 && $a['health'] >= 50) {
|
||
return -1;
|
||
}
|
||
|
||
// 成本比较
|
||
$costDiff = $a['cost'] - $b['cost'];
|
||
if (abs($costDiff) > 0.0001) {
|
||
return $costDiff <=> 0;
|
||
}
|
||
|
||
// 成本相同时，健康分数高的优先
|
||
return $b['health'] <=> $a['health'];
|
||
});
|
||
|
||
return array_keys($providerData);
|
||
}
|
||
}
|
