refactor(api): split MSN provider module

2026-08-07 01:33:52 +00:00 · 2026-03-06 10:51:20 +00:00 · 2026-03-06 10:51:20 +00:00 · 9b2e32e0c6
commit 9b2e32e0c6
parent aeab18e94f
5 changed files with 252 additions and 200 deletions
--- a/src/api/msn/client.rs
+++ b/src/api/msn/client.rs
@ -0,0 +1,87 @@
+use std::time::Duration;
+
+use serde::de::DeserializeOwned;
+
+use crate::error::IdxError;
+
+use super::parse::{KeyRatios, MsnChart, MsnQuote};
+use super::symbols::resolve_msn_id;
+
+const USER_AGENT: &str = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36";
+const MSN_ASSETS_BASE_URL: &str = "https://assets.msn.com/service/";
+const MSN_API_BASE_URL: &str = "https://api.msn.com/msn/v0/pages/finance/";
+// Public API key from MSN Money website (embedded in frontend JS)
+const MSN_API_KEY: &str = "0QfOX3Vn51YCzitbLaRkTTBadtWpgTN8NZLW0C1SEM";
+
+pub(super) struct MsnClient {
+    agent: ureq::Agent,
+}
+
+impl MsnClient {
+    pub(super) fn new() -> Self {
+        let agent: ureq::Agent = ureq::Agent::config_builder()
+            .timeout_connect(Some(Duration::from_secs(5)))
+            .timeout_recv_body(Some(Duration::from_secs(10)))
+            .build()
+            .into();
+
+        Self { agent }
+    }
+
+    fn get_json<T: DeserializeOwned>(
+        &self,
+        url: &str,
+        symbol: &str,
+        endpoint: &str,
+    ) -> Result<T, IdxError> {
+        let response = self
+            .agent
+            .get(url)
+            .header("User-Agent", USER_AGENT)
+            .header("Accept", "application/json")
+            .header("Accept-Language", "en-US,en;q=0.9,id;q=0.8")
+            .header("Origin", "https://www.msn.com")
+            .header("Referer", "https://www.msn.com/")
+            .call();
+
+        match response {
+            Ok(ok) => ok
+                .into_body()
+                .read_json::<T>()
+                .map_err(|e| IdxError::ParseError(format!("msn {endpoint}: {e}"))),
+            Err(ureq::Error::StatusCode(404)) => Err(IdxError::SymbolNotFound(symbol.to_string())),
+            Err(ureq::Error::StatusCode(429)) => Err(IdxError::RateLimited),
+            Err(err) => Err(IdxError::Http(format!("msn {endpoint}: {err}"))),
+        }
+    }
+
+    pub(super) fn fetch_quotes(&self, symbol: &str) -> Result<Vec<MsnQuote>, IdxError> {
+        let id =
+            resolve_msn_id(symbol).ok_or_else(|| IdxError::SymbolNotFound(symbol.to_string()))?;
+        let url = format!(
+            "{MSN_ASSETS_BASE_URL}Finance/Quotes?apikey={MSN_API_KEY}&ids={id}&wrapodata=false"
+        );
+        self.get_json(&url, symbol, "quote")
+    }
+
+    pub(super) fn fetch_key_ratios(&self, symbol: &str) -> Result<Vec<KeyRatios>, IdxError> {
+        let id =
+            resolve_msn_id(symbol).ok_or_else(|| IdxError::SymbolNotFound(symbol.to_string()))?;
+        let url =
+            format!("{MSN_API_BASE_URL}keyratios?apikey={MSN_API_KEY}&ids={id}&wrapodata=false");
+        self.get_json(&url, symbol, "keyratios")
+    }
+
+    pub(super) fn fetch_charts(
+        &self,
+        symbol: &str,
+        chart_type: &str,
+    ) -> Result<Vec<MsnChart>, IdxError> {
+        let id =
+            resolve_msn_id(symbol).ok_or_else(|| IdxError::SymbolNotFound(symbol.to_string()))?;
+        let url = format!(
+            "{MSN_ASSETS_BASE_URL}Finance/Charts?apikey={MSN_API_KEY}&cm=id-id&ids={id}&type={chart_type}&wrapodata=false"
+        );
+        self.get_json(&url, symbol, "chart")
+    }
+}