fix

src/produce_worker.h

@@ -0,0 +1,70 @@
+#pragma once
+
+#include "worker.h"
+#include <vector>
+#include <map>
+#include <string>
+
+
+class ProduceWorker : public Worker
+{
+public:
+    explicit ProduceWorker(ConnectionPool &pool, MessageBroker &broker);
+    ~ProduceWorker() override; 
+
+protected:
+    void run() override;  // überschreibt Worker::run()
+
+private:
+    // Fachlogik
+    void processProductions();
+    std::vector<std::unordered_map<std::string, std::string>> getFinishedProductions(Database &db);
+    bool addToInventory(Database &db, int branchId, int productId, int quantity, int quality, int userId);
+    bool storeInStock(Database &db, int stockId, int productId, int quantity, int quality);
+    void deleteProduction(Database &db, const std::string &productionId);
+    void sendProductionReadyEvent(int userId, int productId, int quantity, int quality, int branchId);
+
+    static constexpr const char *QUERY_GET_FINISHED_PRODUCTIONS = R"(
+        SELECT 
+            p.id AS production_id, 
+            p.branch_id, 
+            p.product_id, 
+            p.quantity, 
+            p.start_timestamp, 
+            pr.production_time, 
+            k.character_id, 
+            k.knowledge AS quality,
+            br.region_id,
+            br.falukant_user_id user_id
+        FROM falukant_data.production p
+        JOIN falukant_type.product pr ON p.product_id = pr.id
+        JOIN falukant_data.branch br ON p.branch_id = br.id
+        JOIN falukant_data.character c ON c.user_id = br.falukant_user_id
+        JOIN falukant_data.knowledge k ON p.product_id = k.product_id AND k.character_id = c.id
+        JOIN falukant_data.stock s ON s.branch_id = br.id
+        WHERE p.start_timestamp + interval '1 minute' * pr.production_time <= NOW()
+        ORDER BY p.start_timestamp;
+    )";
+
+    static constexpr const char *QUERY_GET_AVAILABLE_STOCKS = R"(
+        SELECT stock.id, stock.quantity AS total_capacity, (
+            SELECT COALESCE(SUM(inventory.quantity), 0)
+            FROM falukant_data.inventory
+            WHERE inventory.stock_id = stock.id
+        ) AS filled, stock.branch_id
+        FROM falukant_data.stock stock 
+        JOIN falukant_data.branch branch
+        ON stock.branch_id = branch.id 
+        WHERE branch.id = $1
+        ORDER BY total_capacity DESC;
+    )";
+
+    static constexpr const char *QUERY_DELETE_PRODUCTION = R"(
+        DELETE FROM falukant_data.production WHERE id = $1;
+    )";
+
+    static constexpr const char *QUERY_INSERT_INVENTORY = R"(
+        INSERT INTO falukant_data.inventory (stock_id, product_id, quantity, quality, produced_at)
+        VALUES ($1, $2, $3, $4, NOW());
+    )";
+};