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use crate::call::SyncCall;
use crate::canister::CanisterBuilder;
use crate::Canister;
use candid::parser::value::IDLValue;
use candid::{CandidType, Deserialize};
use ic_agent::export::Principal;
use ic_agent::Agent;
use std::fmt::Debug;
#[derive(Debug, Clone, Copy, Ord, PartialOrd, Eq, PartialEq)]
pub struct HttpRequestCanister;
#[derive(CandidType, Clone, Deserialize)]
pub struct HeaderField(pub String, pub String);
#[derive(CandidType, Deserialize)]
pub struct HttpRequest<'body> {
pub method: String,
pub url: String,
pub headers: Vec<HeaderField>,
#[serde(with = "serde_bytes")]
pub body: &'body [u8],
}
#[derive(CandidType, Deserialize)]
pub struct CallbackStrategy {
pub callback: IDLValue,
pub token: IDLValue,
}
#[derive(CandidType, Deserialize)]
pub enum StreamingStrategy {
Callback(CallbackStrategy),
}
#[derive(CandidType, Deserialize)]
pub struct HttpResponse {
pub status_code: u16,
pub headers: Vec<HeaderField>,
#[serde(with = "serde_bytes")]
pub body: Vec<u8>,
pub streaming_strategy: Option<StreamingStrategy>,
}
#[derive(CandidType, Deserialize)]
pub struct StreamingCallbackHttpResponse {
#[serde(with = "serde_bytes")]
pub body: Vec<u8>,
pub token: Option<IDLValue>,
}
impl HttpRequestCanister {
pub fn create(agent: &Agent, canister_id: Principal) -> Canister<HttpRequestCanister> {
Canister::builder()
.with_agent(agent)
.with_canister_id(canister_id)
.with_interface(HttpRequestCanister)
.build()
.unwrap()
}
pub fn with_agent(agent: &Agent) -> CanisterBuilder<HttpRequestCanister> {
Canister::builder()
.with_agent(agent)
.with_interface(HttpRequestCanister)
}
}
impl<'agent> Canister<'agent, HttpRequestCanister> {
pub fn http_request<'canister: 'agent, M: Into<String>, U: Into<String>, B: AsRef<[u8]>>(
&'canister self,
method: M,
url: U,
headers: Vec<HeaderField>,
body: B,
) -> impl 'agent + SyncCall<(HttpResponse,)> {
self.query_("http_request")
.with_arg(HttpRequest {
method: method.into(),
url: url.into(),
headers,
body: body.as_ref(),
})
.build()
}
pub fn http_request_stream_callback<'canister: 'agent, M: Into<String>>(
&'canister self,
method: M,
token: IDLValue,
) -> impl 'agent + SyncCall<(StreamingCallbackHttpResponse,)> {
self.query_(&method.into()).with_value_arg(token).build()
}
}