akshare 0.1.13

100% pure Rust implementation of akshare — unified access to Chinese and global financial market data APIs
Documentation 
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use super::super::{
    CandlesWithProvider, FundamentalsSnapshot, MarketDataClient, NewsItem, QuoteWithProvider,
};

use crate::stock::us_extra::{UsFamousStock, UsPinkStock, UsSpotSina, UsValuationBaidu};
use crate::stock::xueqiu::XqStockSpot;

// ---------------------------------------------------------------------------
// Core data
// ---------------------------------------------------------------------------

pub(crate) async fn fetch_quote(
    client: &MarketDataClient,
    symbol: &str,
) -> anyhow::Result<QuoteWithProvider> {
    client.fetch_us_quote_with_provider(symbol).await
}

pub(crate) async fn fetch_fundamentals(
    client: &MarketDataClient,
    symbol: &str,
) -> anyhow::Result<FundamentalsSnapshot> {
    client.fetch_us_fundamentals(symbol).await
}

pub(crate) async fn fetch_insider_transactions(
    client: &MarketDataClient,
    symbol: &str,
) -> anyhow::Result<Vec<NewsItem>> {
    client.fetch_us_insider_transactions(symbol).await
}

pub(crate) async fn fetch_candles(
    client: &MarketDataClient,
    symbol: &str,
    limit: usize,
) -> anyhow::Result<CandlesWithProvider> {
    client.fetch_us_candles_with_provider(symbol, limit).await
}

pub(crate) async fn fetch_return_since(
    client: &MarketDataClient,
    symbol: &str,
    start_date: &str,
    holding_days: usize,
) -> anyhow::Result<Option<f64>> {
    match client
        .fetch_us_return_since(symbol, start_date, holding_days)
        .await
    {
        Ok(value) => Ok(value),
        Err(error) => {
            tracing::info!(
                symbol = %symbol,
                start_date = %start_date,
                holding_days,
                error = ?error,
                "US return_since upstream unavailable, skipping outcome computation"
            );
            Ok(None)
        }
    }
}

// ---------------------------------------------------------------------------
// US spot (Sina / Eastmoney)
// ---------------------------------------------------------------------------

pub(crate) async fn fetch_us_spot(client: &MarketDataClient) -> anyhow::Result<Vec<UsSpotSina>> {
    client.ak.stock_us_spot().await.map_err(Into::into)
}

// ---------------------------------------------------------------------------
// US famous stocks (Eastmoney)
// ---------------------------------------------------------------------------

pub(crate) async fn fetch_us_famous_spot(
    client: &MarketDataClient,
    category: &str,
) -> anyhow::Result<Vec<UsFamousStock>> {
    client
        .ak
        .stock_us_famous_spot(category)
        .await
        .map_err(Into::into)
}

// ---------------------------------------------------------------------------
// US pink sheet stocks (Eastmoney)
// ---------------------------------------------------------------------------

pub(crate) async fn fetch_us_pink_spot(
    client: &MarketDataClient,
) -> anyhow::Result<Vec<UsPinkStock>> {
    client.ak.stock_us_pink_spot().await.map_err(Into::into)
}

// ---------------------------------------------------------------------------
// US valuation (Baidu)
// ---------------------------------------------------------------------------

pub(crate) async fn fetch_us_valuation(
    client: &MarketDataClient,
    symbol: &str,
    indicator: &str,
    period: &str,
) -> anyhow::Result<Vec<UsValuationBaidu>> {
    client
        .ak
        .stock_us_valuation(symbol, indicator, period)
        .await
        .map_err(Into::into)
}

// ---------------------------------------------------------------------------
// Xueqiu spot (works for US symbols)
// ---------------------------------------------------------------------------

pub(crate) async fn fetch_xq_spot(
    client: &MarketDataClient,
    symbol: &str,
) -> anyhow::Result<XqStockSpot> {
    client
        .ak
        .stock_individual_spot_xq(symbol)
        .await
        .map_err(Into::into)
}