From e6ff1576f118d0146e5ad53b2ac980502e1fe428 Mon Sep 17 00:00:00 2001
From: Edward Shen <code@eddie.sh>
Date: Mon, 8 Feb 2021 20:59:35 -0500
Subject: [PATCH] add fetch_one note

---
 vtse-server/src/state.rs | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/vtse-server/src/state.rs b/vtse-server/src/state.rs
index 01c877f..ec43d26 100644
--- a/vtse-server/src/state.rs
+++ b/vtse-server/src/state.rs
@@ -4,15 +4,9 @@ use sodiumoxide::crypto::pwhash::argon2id13::{pwhash_verify, HashedPassword};
 use sqlx::{query, PgPool};
 use std::convert::TryFrom;
 use thiserror::Error;
-use vtse_common::{
-    net::{ServerResponse, UserError},
-    user::User,
-};
-use vtse_common::{stock::Stock, user::UserBalance};
-use vtse_common::{
-    stock::StockSymbol,
-    user::{ApiKey, Password, UserDebt, Username},
-};
+use vtse_common::net::{ServerResponse, UserError};
+use vtse_common::stock::{Stock, StockSymbol};
+use vtse_common::user::{ApiKey, Password, User, UserBalance, UserDebt, Username};
 
 #[derive(Error, Debug)]
 pub(crate) enum StateError {
@@ -234,6 +228,9 @@ impl AppState {
         todo!()
     }
 
+    // todo: fetch_one needs to turn into fetch_optional, else we can't discriminate user versus
+    // server error.
+
     async fn get_user_balance(user_id: i32, pool: &PgPool) -> Result<Decimal, StateError> {
         query!("SELECT balance FROM users where user_id = $1", user_id)
             .fetch_one(pool)