Refactor product cost retrieval in DirectorWorker: Simplify the SQL query by removing the original_sell_cost from the selection, and adjust the cost resolution logic to improve clarity and efficiency in database interactions.

Cargo.toml

@@ -15,4 +15,4 @@ ctrlc = "3"
 tokio-rustls = "0.25"
 rustls-pemfile = "2"
 libsystemd = "0.7"
-chrono = "0.4"
+chrono = "0.4"

src/worker/director.rs

@@ -718,14 +718,8 @@ impl DirectorWorker {
 
     // Helper: get one_piece_cost from DB row fallback logic
     fn resolve_one_piece_cost(conn: &mut DbConnection, product_id: i32, fallback: f64) -> Result<f64, DbError> {
-    conn.prepare("get_product_cost", QUERY_GET_PRODUCT_COST)?;
+        conn.prepare("get_product_cost", QUERY_GET_PRODUCT_COST)?;
         let rows = conn.execute("get_product_cost", &[&product_id])?;
-        if let Some(row) = rows.first()
-            && let Some(osc) = row.get("original_sell_cost")
-            && let Ok(v) = osc.parse::<f64>()
-        {
-            return Ok(v);
-        }
         if let Some(row) = rows.first()
             && let Some(sc) = row.get("sell_cost")
             && let Ok(v) = sc.parse::<f64>()

src/worker/sql.rs

@@ -44,7 +44,7 @@ VALUES ($1, $2, FALSE, NOW(), NOW());
 
 // Product pricing
 pub const QUERY_GET_PRODUCT_COST: &str = r#"
-SELECT original_sell_cost, sell_cost FROM falukant_type.product WHERE id = $1;
+SELECT sell_cost FROM falukant_type.product WHERE id = $1;
 "#;
 
 pub const QUERY_GET_DIRECTORS: &str = r#"