Adds renaming games functionality

gamenight-database/src/game.rs

@@ -1,4 +1,4 @@
-use diesel::{dsl::insert_into, Insertable, PgConnection, Queryable, RunQueryDsl};
+use diesel::{dsl::insert_into, ExpressionMethods, Insertable, PgConnection, QueryDsl, Queryable, RunQueryDsl};
 use serde::{Serialize, Deserialize};
 use uuid::Uuid;
 use crate::schema::game;
@@ -16,6 +16,16 @@ pub fn games(conn: &mut PgConnection) -> Result<Vec::<Game>, DatabaseError> {
     Ok(game::table.load::<Game>(conn)?)
 }
 
+pub fn load_game(conn: &mut PgConnection, id: Uuid) -> Result<Game, DatabaseError> {
+    Ok(game::table.find(id).get_result(conn)?)
+}
+
 pub fn insert_game(conn: &mut PgConnection, game: Game) -> Result<usize, DatabaseError> {
     Ok(insert_into(game::table).values(&game).execute(conn)?)
+}
+
+pub fn rename_game(conn: &mut PgConnection, id: Uuid, name: String) -> Result<usize, DatabaseError> {
+    Ok(diesel::update(game::table.filter(game::id.eq(id)))
+        .set(game::name.eq(&name))
+        .execute(conn)?)   
 }