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;

src/database/user.rs

@@ -0,0 +1,29 @@
+use serde::{ Deserialize, Serialize };
+use bson::UtcDateTime;
+
+#[derive(Serialize, Deserialize, Debug)]
+pub struct UserEmailVerification {
+	pub verified: bool,
+	pub target: Option<String>,
+	pub expiry: Option<UtcDateTime>,
+	pub rate_limit: Option<UtcDateTime>,
+	pub code: Option<String>,
+}
+
+#[derive(Serialize, Deserialize, Debug)]
+pub struct UserRelationship {
+	pub id: String,
+	pub status: u8,
+}
+
+#[derive(Serialize, Deserialize, Debug)]
+pub struct User {
+    #[serde(rename = "_id")]
+    pub id: String,
+    pub email: String,
+	pub username: String,
+	pub password: String,
+	pub access_token: Option<String>,
+	pub email_verification: UserEmailVerification,
+	pub relations: Option<Vec<UserRelationship>>,
+}