Add update method for Bid Service based on date

src/main/java/com/marketplace/onlinemarketplace/controller/BidController.java

@@ -71,4 +71,22 @@ public ResponseEntity<String> deleteBidsBeforeDate(@PathVariable String date) {
             throw new RuntimeException("Error deleting bids: " + e.getMessage());
         }
     }
+
+    /**
+     * Update bids placed before the given date to the specified status.
+     * @param date ISO-8601 date-time string for cutoff
+     * @param status new status to apply to matching bids
+     * @return indication of how many bids were updated
+     */
+    @PutMapping("/update/{date}/{status}")
+    public ResponseEntity<String> updateBidsBeforeDate(@PathVariable String date,
+                                                       @PathVariable Bid.BidStatus status) {
+        try {
+            LocalDateTime cutoff = LocalDateTime.parse(date);
+            int updated = bidService.updateBidsBefore(cutoff, status);
+            return ResponseEntity.ok(updated + " bids updated successfully");
+        } catch (Exception e) {
+            throw new RuntimeException("Error updating bids: " + e.getMessage());
+        }
+    }
 }

src/main/java/com/marketplace/onlinemarketplace/repository/BidRepo.java

@@ -2,15 +2,24 @@
 
 import com.marketplace.onlinemarketplace.entity.Bid;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Modifying;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
+import org.springframework.transaction.annotation.Transactional;
 
-import java.util.List;
 import java.time.LocalDateTime;
+import java.util.List;
 
 public interface BidRepo extends JpaRepository<Bid, Long> {
     List<Bid> findByProjectId(Long projectId);
     List<Bid> findByProjectIdAndStatus(Long projectId, Bid.BidStatus status);
 
     void deleteByBidDateBefore(LocalDateTime date);
 
+    @Modifying
+    @Transactional
+    @Query("update Bid b set b.status = :status where b.bidDate < :date")
+    int updateStatusByBidDateBefore(@Param("status") Bid.BidStatus status, @Param("date") LocalDateTime date);
+
 
 }

src/main/java/com/marketplace/onlinemarketplace/service/BidService.java

@@ -11,6 +11,7 @@
 import com.marketplace.onlinemarketplace.repository.UserRepo;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
 
 import java.time.LocalDateTime;
 import java.util.List;
@@ -105,5 +106,15 @@ public List<Bid> getAllBids() {
     public void deleteBidsBefore(LocalDateTime date) {
         bidRepo.deleteByBidDateBefore(date);
     }
-}
 
+    /**
+     * Update the status of bids placed before the given date.
+     * @param date cutoff date; bids before this date will be updated
+     * @param status new status to set for matching bids
+     * @return the number of bids updated
+     */
+    @Transactional
+    public int updateBidsBefore(LocalDateTime date, Bid.BidStatus status) {
+        return bidRepo.updateStatusByBidDateBefore(status, date);
+    }
+}