Add SQL query for product price history: Introduced a new query to insert regional product prices into the history table, calculating prices based on sell cost and worth percentage. Updated ValueRecalculationWorker to log current prices for affected regions, enhancing price tracking functionality.

src/worker/value_recalculation.rs

@@ -14,6 +14,7 @@ use crate::worker::sql::{
     QUERY_DELETE_REGION_SELL_PRICE,
     QUERY_GET_SELL_REGIONS,
     QUERY_HOURLY_PRICE_RECALCULATION,
+    QUERY_INSERT_PRODUCT_PRICE_HISTORY,
     QUERY_SET_MARRIAGES_BY_PARTY,
     QUERY_GET_STUDYINGS_TO_EXECUTE,
     QUERY_GET_OWN_CHARACTER_ID,
@@ -139,11 +140,17 @@ impl ValueRecalculationWorker {
         conn.prepare("update_region_sell_price", QUERY_UPDATE_REGION_SELL_PRICE)?;
         conn.execute("update_region_sell_price", &[])?;
 
+        // Preis-Historie für betroffene Regionen erfassen
+        conn.prepare("insert_price_history", QUERY_INSERT_PRODUCT_PRICE_HISTORY)?;
+
         conn.prepare("get_sell_regions", QUERY_GET_SELL_REGIONS)?;
         let regions = conn.execute("get_sell_regions", &[])?;
 
         for row in regions {
             if let Some(region_id) = row.get("region_id").and_then(|v| v.parse::<i32>().ok()) {
+                // Aktuelle Preise dieser Region in die Historie schreiben
+                let _ = conn.execute("insert_price_history", &[&region_id]);
+
                 let message =
                     format!(r#"{{"event":"price_update","region_id":{}}}"#, region_id);
                 broker.publish(message);
@@ -167,6 +174,9 @@ impl ValueRecalculationWorker {
         conn.prepare("hourly_price_recalculation", QUERY_HOURLY_PRICE_RECALCULATION)?;
         let _updated_rows = conn.execute("hourly_price_recalculation", &[])?;
 
+        // Prepared Statement für Preis-Historie
+        conn.prepare("insert_price_history", QUERY_INSERT_PRODUCT_PRICE_HISTORY)?;
+
         // Sammle alle betroffenen Regionen für Event-Benachrichtigungen
         let mut affected_regions = HashSet::new();
         
@@ -191,6 +201,9 @@ impl ValueRecalculationWorker {
 
         // Benachrichtige alle betroffenen Regionen über Preisänderungen
         for region_id in affected_regions {
+            // aktuellen Preisstand in die Historie schreiben
+            let _ = conn.execute("insert_price_history", &[&region_id]);
+
             let message =
                 format!(r#"{{"event":"price_update","region_id":{}}}"#, region_id);
             broker.publish(message);