Begin work on proper database schema.

src/database/mod.rs

@@ -0,0 +1,27 @@
+use mongodb::{ Client, Collection, Database };
+use std::env;
+
+use once_cell::sync::OnceCell;
+static DBCONN: OnceCell<Client> = OnceCell::new();
+
+pub fn connect() {
+	let client = Client::with_uri_str(
+			&env::var("DB_URI").expect("DB_URI not in environment variables!"))
+		.expect("Failed to init db connection.");
+
+	DBCONN.set(client).unwrap();
+}
+
+pub fn get_connection() -> &'static Client {
+	DBCONN.get().unwrap()
+}
+
+pub fn get_db() -> Database {
+	get_connection().database("revolt")
+}
+
+pub fn get_collection(collection: &str) -> Collection {
+	get_db().collection(collection)
+}
+
+pub mod user;