StartRNR/src/queries.rs

81 lines
2.2 KiB
Rust

use cynic::{GraphQlResponse, QueryBuilder};
use serde::{Deserialize, Serialize};
use std::path::Path;
use std::thread::sleep;
use std::time::Duration;
pub mod scalars;
pub use scalars::*;
pub mod search_games;
pub use search_games::*;
pub mod tournament_events;
pub use tournament_events::*;
pub mod event_sets;
pub use event_sets::*;
pub mod player_info;
pub use player_info::*;
use crate::error;
// Auth key
pub fn get_auth_token(config_dir: &Path) -> Option<String> {
use std::env::{var, VarError};
use std::fs::read_to_string;
match var("AUTH_TOKEN") {
Ok(key) => Some(key),
Err(VarError::NotUnicode(_)) => error("Invalid authorization key", 2),
Err(VarError::NotPresent) => {
let mut auth_file = config_dir.to_owned();
auth_file.push("startrnr");
auth_file.push("auth.txt");
read_to_string(auth_file).ok().and_then(|s| {
let trimmed = s.trim();
if trimmed.is_empty() {
None
} else {
Some(trimmed.to_owned())
}
})
}
}
}
// Query machinery
pub trait QueryUnwrap<Vars>: 'static + QueryBuilder<Vars> {
type Unwrapped;
fn unwrap_response(response: GraphQlResponse<Self>) -> Option<Self::Unwrapped>;
}
// Generic function for running start.gg queries
pub fn run_query<Builder, Vars>(vars: Vars, auth_token: &str) -> Option<Builder::Unwrapped>
where
Vars: Copy + Serialize,
Builder: QueryUnwrap<Vars>,
for<'de> Builder: Deserialize<'de>,
{
use cynic::http::ReqwestBlockingExt;
let mut response = reqwest::blocking::Client::new()
.post("https://api.start.gg/gql/alpha")
.header("Authorization", String::from("Bearer ") + auth_token)
.run_graphql(Builder::build(vars));
// If query fails to reach server, retry up to 10 times
for _ in 1..10 {
if response.is_ok() {
break;
}
sleep(Duration::from_secs(2));
response = reqwest::blocking::Client::new()
.post("https://api.start.gg/gql/alpha")
.header("Authorization", String::from("Bearer ") + auth_token)
.run_graphql(Builder::build(vars));
}
Builder::unwrap_response(response.ok()?)
}