Feat cron jobs

src/main/java/com/Podzilla/analytics/AnalyticsApplication.java

@@ -3,9 +3,11 @@
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.context.annotation.ComponentScan;
+import org.springframework.scheduling.annotation.EnableScheduling;
 
 @SpringBootApplication
 @ComponentScan(basePackages = { "com.podzilla", "com.Podzilla" })
+@EnableScheduling
 public class AnalyticsApplication {
 
     public static void main(final String[] args) {

src/main/java/com/Podzilla/analytics/repositories/OrderRepository.java

@@ -6,6 +6,8 @@
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.repository.query.Param;
+import org.springframework.data.jpa.repository.Modifying;
+import org.springframework.transaction.annotation.Transactional;
 
 import com.Podzilla.analytics.api.projections.fulfillment.FulfillmentTimeProjection;
 import com.Podzilla.analytics.api.projections.order.OrderFailureRateProjection;
@@ -164,4 +166,16 @@ List<RevenueSummaryProjection> findRevenueSummaryByPeriod(
     List<RevenueByCategoryProjection> findRevenueByCategory(
             @Param("startDate") LocalDateTime startDate,
             @Param("endDate") LocalDateTime endDate);
+
+    @Modifying
+    @Transactional
+    @Query("DELETE FROM OrderItem oi "
+            + "WHERE oi.order.id IN (SELECT o.id FROM Order o "
+            + "WHERE o.orderPlacedTimestamp < :cutoff)")
+    void deleteOrderItemsOlderThan(@Param("cutoff") LocalDateTime cutoff);
+
+    @Modifying
+    @Transactional
+    @Query("DELETE FROM Order o WHERE o.orderPlacedTimestamp < :cutoff")
+    void deleteOrdersOlderThan(@Param("cutoff") LocalDateTime cutoff);
 }

src/main/java/com/Podzilla/analytics/scheduling/CleanupScheduler.java

@@ -0,0 +1,32 @@
+package com.Podzilla.analytics.scheduling;
+
+import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.stereotype.Component;
+import com.Podzilla.analytics.repositories.OrderRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.transaction.annotation.Transactional;
+import java.time.LocalDateTime;
+
+@Component
+public class CleanupScheduler {
+
+    private final OrderRepository orderRepository;
+
+    @Autowired
+    public CleanupScheduler(final OrderRepository orderRepository) {
+        this.orderRepository = orderRepository;
+    }
+
+    // // Runs at 2:00 AM on the first day of every month
+    @Scheduled(cron = "0 0 2 1 * ?")
+    @Transactional
+    public void monthlyCleanup() {
+        System.out.println("Starting monthly cleanup");
+        LocalDateTime cutoff = LocalDateTime.now().minusMonths(1);
+        // Delete order items first
+        orderRepository.deleteOrderItemsOlderThan(cutoff);
+        // Then delete orders
+        orderRepository.deleteOrdersOlderThan(cutoff);
+        System.out.println("Monthly cleanup completed");
+    }
+}