Files
sub2api/backend/internal/repository/claude_usage_service.go
2025-12-20 11:57:02 +08:00

60 lines
1.4 KiB
Go

package repository
import (
"context"
"encoding/json"
"fmt"
"io"
"net/http"
"net/url"
"time"
"sub2api/internal/service"
)
type claudeUsageService struct{}
func NewClaudeUsageFetcher() service.ClaudeUsageFetcher {
return &claudeUsageService{}
}
func (s *claudeUsageService) FetchUsage(ctx context.Context, accessToken, proxyURL string) (*service.ClaudeUsageResponse, error) {
transport := http.DefaultTransport.(*http.Transport).Clone()
if proxyURL != "" {
if parsedURL, err := url.Parse(proxyURL); err == nil {
transport.Proxy = http.ProxyURL(parsedURL)
}
}
client := &http.Client{
Transport: transport,
Timeout: 30 * time.Second,
}
req, err := http.NewRequestWithContext(ctx, "GET", "https://api.anthropic.com/api/oauth/usage", nil)
if err != nil {
return nil, fmt.Errorf("create request failed: %w", err)
}
req.Header.Set("Authorization", "Bearer "+accessToken)
req.Header.Set("anthropic-beta", "oauth-2025-04-20")
resp, err := client.Do(req)
if err != nil {
return nil, fmt.Errorf("request failed: %w", err)
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
body, _ := io.ReadAll(resp.Body)
return nil, fmt.Errorf("API returned status %d: %s", resp.StatusCode, string(body))
}
var usageResp service.ClaudeUsageResponse
if err := json.NewDecoder(resp.Body).Decode(&usageResp); err != nil {
return nil, fmt.Errorf("decode response failed: %w", err)
}
return &usageResp, nil
}