Add news data support

- Refactor everything in the process, oops

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

src/database/assets.rs

@@ -1,4 +1,4 @@
-use crate::types::{Asset, Class};
+use crate::types::Asset;
 use clickhouse::Client;
 use serde::Serialize;
 
@@ -10,21 +10,13 @@ pub async fn select(clickhouse_client: &Client) -> Vec<Asset> {
         .unwrap()
 }
 
-pub async fn select_where_class(clickhouse_client: &Client, class: &Class) -> Vec<Asset> {
-    clickhouse_client
-        .query("SELECT ?fields FROM assets FINAL WHERE class = ?")
-        .bind(class)
-        .fetch_all::<Asset>()
-        .await
-        .unwrap()
-}
-
 pub async fn select_where_symbol<T>(clickhouse_client: &Client, symbol: &T) -> Option<Asset>
 where
     T: AsRef<str> + Serialize + Send + Sync,
 {
     clickhouse_client
-        .query("SELECT ?fields FROM assets FINAL WHERE symbol = ?")
+        .query("SELECT ?fields FROM assets FINAL WHERE symbol = ? OR abbreviation = ?")
+        .bind(symbol)
         .bind(symbol)
         .fetch_optional::<Asset>()
         .await