phundrak.com/src/main.rs
Lucien Cartier-Tilet 3448672fec
chore(backend): cleaner code
Signed-off-by: Lucien Cartier-Tilet <lucien@phundrak.com>
2023-03-15 16:37:57 +01:00

135 lines
3.2 KiB
Rust

use actix_web::{error, get, web, Responder, Result};
use data::Data;
use derive_more::{Display, Error};
use dotenvy::dotenv;
use gql_client::{Client, GraphQLError};
use std::collections::HashMap;
mod data;
macro_rules! GITHUB_GRAPHQL_QUERY {
() => {
r#"query {{
user(login: "{}") {{
newest: repositories(first: 10, orderBy: {{field: UPDATED_AT, direction: DESC}}) {{
nodes {{
name
stargazerCount
forkCount
}}
}}
mostStarred: repositories(first: 10, orderBy: {{field: STARGAZERS, direction: DESC}}) {{
nodes {{
name
stargazerCount
forkCount
}}
}}
pinned: pinnedItems(first: 10) {{
nodes {{
... on Repository {{
name
stargazerCount
forkCount
}}
}}
}}
}}
}}"#
};
}
#[derive(Debug, Display, Error)]
#[display(fmt = "my error: {}", name)]
struct MyError {
name: String,
}
struct AppState {
github_token: String,
}
impl Default for AppState {
fn default() -> Self {
Self {
github_token: github_token(),
}
}
}
impl error::ResponseError for MyError {}
fn github_token() -> String {
std::env::var("GH_TOKEN")
.expect("Environment variable GH_TOKEN **MUST** be set!")
}
fn prepare_github_query_headers(gh_token: &String) -> HashMap<String, String> {
let mut headers: HashMap<String, String> = HashMap::new();
headers.insert("Authorization".to_string(), format!("Bearer {}", gh_token));
headers.insert("User-Agent".to_string(), "PhunCache-App".to_string());
headers
}
fn make_gh_graphql_client(gh_token: &String) -> Client {
let headers = prepare_github_query_headers(gh_token);
Client::new_with_headers("https://api.github.com/graphql", headers)
}
async fn make_gh_graphql_call(
user: String,
gh_token: &String,
) -> Result<Option<Data>, GraphQLError> {
let body = format!(GITHUB_GRAPHQL_QUERY!(), user);
let client = make_gh_graphql_client(gh_token);
let data = client.query::<Data>(&body).await;
println!("{:?}", data);
data
}
#[get("/phundrak-com/{user}")]
async fn user_info_github(
user: web::Path<String>,
state: web::Data<AppState>,
) -> Result<impl Responder> {
let gh_token = &state.github_token;
match make_gh_graphql_call(user.to_string(), gh_token).await {
Ok(val) => Ok(web::Json(val)),
Err(e) => Err(MyError {
name: format!("Failed to retrieve data from GitHub: {e:?}"),
}
.into()),
}
}
fn setup_application() {
std::env::set_var("RUST_LOG", "debug");
env_logger::init();
dotenv().ok();
human_panic::setup_panic!();
}
#[actix_web::main]
async fn main() -> std::io::Result<()> {
use actix_web::{App, HttpServer};
use std::env::var;
setup_application();
HttpServer::new(|| {
App::new()
.app_data(web::Data::new(AppState::default()))
.service(user_info_github)
})
.bind((
var("ACTIX_ADDRESS")
.expect("Environment variable ACTIX_ADDRESS must be set!"),
var("ACTIX_PORT")
.expect("Environment variable ACTIX_PORT must be set!")
.parse()
.expect("Failed to parse value of ACTIX_PORT into a u16"),
))?
.run()
.await
}