| 1 | //! Z.AI and Zhipu structured Web Search API contracts. |
| 2 | |
| 3 | use anyhow::{Result, bail}; |
| 4 | use serde_json::{Value, json}; |
| 5 | |
| 6 | use super::{ |
| 7 | ProviderNativeSearchRequest, ProviderNativeSearchResponse, citation_from_url, push_citation, |
| 8 | }; |
| 9 | |
| 10 | pub(super) fn build_body(request: &ProviderNativeSearchRequest, base_url: &str) -> Result<Value> { |
| 11 | let normalized = base_url.trim().trim_end_matches('/').to_ascii_lowercase(); |
| 12 | let search_engine = match normalized.as_str() { |
| 13 | "https://api.z.ai/api/paas/v4" => "search-prime", |
| 14 | "https://open.bigmodel.cn/api/paas/v4" => "search_std", |
| 15 | _ => bail!("unsupported Z.AI web-search endpoint: {base_url}"), |
| 16 | }; |
| 17 | Ok(json!({ |
| 18 | "search_engine": search_engine, |
| 19 | "search_query": request.query, |
| 20 | "count": request.max_results, |
| 21 | })) |
| 22 | } |
| 23 | |
| 24 | pub(super) fn parse(payload: &Value) -> ProviderNativeSearchResponse { |
| 25 | let mut citations = Vec::new(); |
| 26 | if let Some(results) = payload.get("search_result").and_then(Value::as_array) { |
| 27 | for result in results { |
| 28 | let Some(url) = result.get("link").and_then(Value::as_str) else { |
| 29 | continue; |
| 30 | }; |
| 31 | let title = result |
| 32 | .get("title") |
| 33 | .and_then(Value::as_str) |
| 34 | .map(str::to_string); |
| 35 | let snippet = result |
| 36 | .get("content") |
| 37 | .and_then(Value::as_str) |
| 38 | .map(str::to_string); |
| 39 | let published = result |
| 40 | .get("publish_date") |
| 41 | .and_then(Value::as_str) |
| 42 | .map(str::to_string); |
| 43 | push_citation( |
| 44 | &mut citations, |
| 45 | citation_from_url(url, title, snippet, published), |
| 46 | ); |
| 47 | } |
| 48 | } |
| 49 | ProviderNativeSearchResponse { |
| 50 | answer: None, |
| 51 | citations, |
| 52 | truncated: false, |
| 53 | } |
| 54 | } |
| 55 | |
| 56 | #[cfg(test)] |
| 57 | mod tests { |
| 58 | use super::*; |
| 59 | |
| 60 | fn request() -> ProviderNativeSearchRequest { |
| 61 | ProviderNativeSearchRequest { |
| 62 | query: "current release".to_string(), |
| 63 | max_results: 3, |
| 64 | domains: vec!["example.com".to_string()], |
| 65 | } |
| 66 | } |
| 67 | |
| 68 | #[test] |
| 69 | fn request_uses_site_specific_search_engine() { |
| 70 | for (base_url, expected_engine) in [ |
| 71 | ("https://api.z.ai/api/paas/v4", "search-prime"), |
| 72 | ("https://open.bigmodel.cn/api/paas/v4/", "search_std"), |
| 73 | ] { |
| 74 | let body = build_body(&request(), base_url).expect("official endpoint"); |
| 75 | assert_eq!(body["search_engine"], expected_engine); |
| 76 | assert_eq!(body["search_query"], "current release"); |
| 77 | assert_eq!(body["count"], 3); |
| 78 | assert!(body.get("search_domain_filter").is_none()); |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | #[test] |
| 83 | fn request_rejects_unproven_product_surface() { |
| 84 | assert!(build_body(&request(), "https://api.z.ai/api/coding/paas/v4").is_err()); |
| 85 | } |
| 86 | |
| 87 | #[test] |
| 88 | fn parses_structured_search_results() { |
| 89 | let parsed = parse(&json!({ |
| 90 | "search_result": [{ |
| 91 | "title": "Release", |
| 92 | "content": "Release notes", |
| 93 | "link": "https://example.com/release", |
| 94 | "publish_date": "2026-08-28" |
| 95 | }] |
| 96 | })); |
| 97 | assert_eq!(parsed.citations.len(), 1); |
| 98 | assert_eq!(parsed.citations[0].title, "Release"); |
| 99 | assert_eq!(parsed.citations[0].published.as_deref(), Some("2026-08-28")); |
| 100 | } |
| 101 | } |
| 102 |