1use std::time::Duration;
2
3use super::types::ZaiUsageResponse;
4
5const DEFAULT_QUOTA_URL: &str = "https://api.z.ai/api/paas/quota/limit";
6
7pub struct ZaiClient;
8
9impl ZaiClient {
10 pub async fn fetch_quota(
14 api_key: &str,
15 quota_url: Option<&str>,
16 ) -> Result<ZaiUsageResponse, Box<dyn std::error::Error>> {
17 let url = quota_url.unwrap_or(DEFAULT_QUOTA_URL);
18 let client = Self::build_client()?;
19 let response = client
20 .get(url)
21 .header("Authorization", format!("Bearer {api_key}"))
22 .header("Accept", "application/json")
23 .send()
24 .await?;
25
26 let status = response.status();
27 if !status.is_success() {
28 let body = response.text().await.unwrap_or_default();
29 return Err(format!("Z.AI API error {status}: {body}").into());
30 }
31
32 let quota: ZaiUsageResponse = response.json().await?;
33 Ok(quota)
34 }
35
36 fn build_client() -> Result<reqwest::Client, reqwest::Error> {
37 reqwest::Client::builder()
38 .timeout(Duration::from_secs(30))
39 .build()
40 }
41}