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//! API endpoint handlers
use crate::auth::*;
use crate::errors::*;
use chrono;
use diesel;
use diesel::pg::PgConnection;
use diesel::r2d2::ConnectionManager;
use dotenv::dotenv;
use std::env;
use cadence::{StatsdClient, NopMetricSink};
#[cfg(feature = "postgres")]
embed_migrations!("../migrations/");
pub type ConnectionPool = diesel::r2d2::Pool<ConnectionManager<diesel::pg::PgConnection>>;
pub type DbConn =
diesel::r2d2::PooledConnection<diesel::r2d2::ConnectionManager<diesel::PgConnection>>;
/// Instantiate a new API server with a pooled database connection
pub fn database_worker_pool() -> Result<ConnectionPool> {
dotenv().ok();
let database_url = env::var("DATABASE_URL").expect("DATABASE_URL must be set");
let manager = ConnectionManager::<PgConnection>::new(database_url);
let pool = diesel::r2d2::Pool::builder()
.build(manager)
.expect("Failed to create database pool.");
Ok(pool)
}
#[derive(Clone)]
pub struct Server {
pub db_pool: ConnectionPool,
pub auth_confectionary: AuthConfectionary,
pub metrics: StatsdClient,
}
/// Instantiate a new API server with a pooled database connection
pub fn create_server() -> Result<Server> {
dotenv().ok();
let database_url = env::var("DATABASE_URL").expect("DATABASE_URL must be set");
let manager = ConnectionManager::<PgConnection>::new(database_url);
let db_pool = diesel::r2d2::Pool::builder()
.build(manager)
.expect("Failed to create database pool.");
let auth_confectionary = env_confectionary()?;
let metrics = StatsdClient::from_sink("blackhole", NopMetricSink);
Ok(Server {
db_pool,
auth_confectionary,
metrics,
})
}
/// Generates a server for testing. Calls an external bash script to generate a random postgres
/// database, which will be unique to this process but common across threads and connections. The
/// database will automagically get cleaned up (deleted) after 60 seconds.
/// Currently, start times are staggered by up to 200ms to prevent internal postgres concurrency
/// errors; if this fails run the tests serially (one at a time), which is slower but more robust.
/// CI should run tests serially.
pub fn create_test_server() -> Result<Server> {
dotenv().ok();
let database_url = env::var("TEST_DATABASE_URL").expect("TEST_DATABASE_URL must be set");
env::set_var("DATABASE_URL", database_url);
let mut server = create_server()?;
server.auth_confectionary = AuthConfectionary::new_dummy();
let conn = server.db_pool.get().expect("db_pool error");
// create fresh database
diesel_migrations::run_pending_migrations(&conn).unwrap();
diesel_migrations::revert_latest_migration(&conn).unwrap();
diesel_migrations::run_pending_migrations(&conn).unwrap();
Ok(server)
}
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