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Receive multiple contract details #3

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23 changes: 23 additions & 0 deletions crates/ib_tws_core/src/async_client.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -250,6 +250,29 @@ impl AsyncClient {
.unwrap()
}

pub async fn request_contract_details_many(
&self,
message: ReqContractDetails,
) -> Result<impl Stream<Item = Result<ContractDetails, Error>> + '_, Error> {
let request_id = self.send(Request::ReqContractDetails(message)).await?;

Ok(self.response_stream_by_id(Some(request_id))
.take_while(|response| {
let is_end = matches!(response, Response::ContractDataEndMsg(_));
async move { !is_end }
})
.filter_map(|response| async move {
match response {
Response::ErrMsgMsg(err) => Some(Err(Error::ApiError(err))),
Response::ContractDataMsg(msg) => Some(Ok(msg.contract_details)),
_ => {
warn!(?response, "unexpected response for request id");
None
}
}
}))
}

#[instrument(skip(self))]
pub async fn request_account_summary(
&self,
Expand Down