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mod api;
mod types;
mod util;
pub use api::*;
pub use types::*;
use http_req::request;
use flowsnet_platform_sdk::write_error_log;
const TG_API_PREFIX: &str = "https://tg-flows.vercel.app/api";
extern "C" {
fn is_listening() -> i32;
fn get_flows_user(p: *mut u8) -> i32;
fn get_flow_id(p: *mut u8) -> i32;
fn get_event_body_length() -> i32;
fn get_event_body(p: *mut u8) -> i32;
fn set_error_code(code: i16);
}
unsafe fn _get_flows_user() -> String {
let mut flows_user = Vec::<u8>::with_capacity(100);
let c = get_flows_user(flows_user.as_mut_ptr());
flows_user.set_len(c as usize);
String::from_utf8(flows_user).unwrap()
}
unsafe fn _get_flow_id() -> String {
let mut flow_id = Vec::<u8>::with_capacity(100);
let c = get_flow_id(flow_id.as_mut_ptr());
if c == 0 {
panic!("Failed to get flow id");
}
flow_id.set_len(c as usize);
String::from_utf8(flow_id).unwrap()
}
pub fn revoke_listeners<T>(token: T)
where
T: ToString,
{
unsafe {
let flows_user = _get_flows_user();
let flow_id = _get_flow_id();
let mut writer = Vec::new();
let res = request::get(
format!(
"{TG_API_PREFIX}/{flows_user}/{flow_id}/revoke?token={}",
token.to_string()
),
&mut writer,
)
.unwrap();
match res.status_code().is_success() {
true => (),
false => {
write_error_log!(String::from_utf8_lossy(&writer));
set_error_code(format!("{}", res.status_code()).parse::<i16>().unwrap_or(0));
}
}
}
}
pub fn listen_to_update<T, F>(token: T, callback: F)
where
T: ToString,
F: FnOnce(Update),
{
unsafe {
match is_listening() {
1 => {
let flows_user = _get_flows_user();
let flow_id = _get_flow_id();
let mut writer = Vec::new();
let res = request::get(
format!(
"{TG_API_PREFIX}/{flows_user}/{flow_id}/listen?token={}",
token.to_string()
),
&mut writer,
)
.unwrap();
match res.status_code().is_success() {
true => {
if let Ok(event) = serde_json::from_slice::<Update>(&writer) {
callback(event);
}
}
false => {
write_error_log!(String::from_utf8_lossy(&writer));
set_error_code(
format!("{}", res.status_code()).parse::<i16>().unwrap_or(0),
);
}
}
}
_ => {
if let Some(event) = event_from_subcription() {
callback(event);
}
}
}
}
}
fn event_from_subcription() -> Option<Update> {
unsafe {
let l = get_event_body_length();
let mut event_body = Vec::<u8>::with_capacity(l as usize);
let c = get_event_body(event_body.as_mut_ptr());
assert!(c == l);
event_body.set_len(c as usize);
match serde_json::from_slice(&event_body) {
Ok(e) => Some(e),
Err(_) => None,
}
}
}