akshare 0.1.2

100% pure Rust implementation of akshare — unified access to Chinese and global financial market data APIs
Documentation 
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//! Bond summary data from SSE (上登债券信息网).

use crate::client::AkShareClient;
use crate::error::{Error, Result};

impl AkShareClient {
    /// Fetch bond cash market summary from SSE.
    ///
    /// `date` is in YYYYMMDD format.
    /// Returns custody statistics for bond types.
    pub async fn bond_cash_summary_sse(&self, date: &str) -> Result<Vec<serde_json::Value>> {
        let formatted = format!("{}-{}-{}", &date[..4], &date[4..6], &date[6..8]);
        let url = "http://query.sse.com.cn/commonExcelDd.do";
        let resp = self
            .get(url)
            .query(&[
                ("sqlId", "COMMON_SSEBOND_SCSJ_SCTJ_SCGL_ZQXQSCGL_CX_L"),
                ("TRADE_DATE", formatted.as_str()),
            ])
            .header("Referer", "http://bond.sse.com.cn/")
            .send()
            .await
            .map_err(Error::from)?
            .error_for_status()
            .map_err(Error::from)?;

        let _bytes = resp.bytes().await.map_err(Error::from)?;
        // SSE returns Excel files; parsing requires xlsx/xls support.
        Err(Error::decode(
            "SSE bond summary returns Excel files; add xlsx crate support to parse",
        ))
    }

    /// Fetch bond deal summary from SSE.
    ///
    /// `date` is in YYYYMMDD format.
    /// Returns trading volume and deal statistics by bond type.
    pub async fn bond_deal_summary_sse(&self, date: &str) -> Result<Vec<serde_json::Value>> {
        let formatted = format!("{}-{}-{}", &date[..4], &date[4..6], &date[6..8]);
        let url = "http://query.sse.com.cn/commonExcelDd.do";
        let resp = self
            .get(url)
            .query(&[
                ("sqlId", "COMMON_SSEBOND_SCSJ_SCTJ_SCGL_ZQCJGL_CX_L"),
                ("TRADE_DATE", formatted.as_str()),
            ])
            .header("Referer", "http://bond.sse.com.cn/")
            .send()
            .await
            .map_err(Error::from)?
            .error_for_status()
            .map_err(Error::from)?;

        let _bytes = resp.bytes().await.map_err(Error::from)?;
        Err(Error::decode(
            "SSE bond deal summary returns Excel files; add xlsx crate support to parse",
        ))
    }
}