[update] Revise medical invoice format with updated patient details and service costs. Enhance CheckUpPage by integrating order information retrieval, updating dialog initialization for existing prescriptions, and improving data handling in service and medicine dialogs for better user experience.

src/main/java/BsK/server/network/handler/ServerHandler.java

@@ -757,7 +757,19 @@ public class ServerHandler extends SimpleChannelInboundHandler<TextWebSocketFram
           checkupStmt.executeUpdate();
           log.info("Prescription ID generated or edited: {}", prescriptionId);
           log.info("Checkup saved successfully");
+
           // 4. Handle Medicine Prescriptions
+          // First, delete all existing items for this checkup to handle edits/removals
+          try (PreparedStatement deleteOrderItemsStmt = conn.prepareStatement("DELETE FROM OrderItem WHERE checkup_id = ?")) {
+              deleteOrderItemsStmt.setString(1, saveCheckupRequest.getCheckupId());
+              deleteOrderItemsStmt.executeUpdate();
+          }
+          try (PreparedStatement deleteMedicineOrderStmt = conn.prepareStatement("DELETE FROM MedicineOrder WHERE checkup_id = ?")) {
+              deleteMedicineOrderStmt.setString(1, saveCheckupRequest.getCheckupId());
+              deleteMedicineOrderStmt.executeUpdate();
+          }
+          log.info("Cleared previous medicine prescription for checkup_id: {}", saveCheckupRequest.getCheckupId());
+
           if (saveCheckupRequest.getMedicinePrescription() != null && 
               saveCheckupRequest.getMedicinePrescription().length > 0 && prescriptionId != null) {
             
@@ -842,7 +854,15 @@ public class ServerHandler extends SimpleChannelInboundHandler<TextWebSocketFram
             orderItemStmt.executeBatch();
           }
           log.info("Medicine prescriptions saved successfully");
+
           // 5. Handle Service Prescriptions
+          // First, delete all existing services for this checkup
+          try (PreparedStatement deleteServiceStmt = conn.prepareStatement("DELETE FROM CheckupService WHERE checkup_id = ?")) {
+              deleteServiceStmt.setString(1, saveCheckupRequest.getCheckupId());
+              deleteServiceStmt.executeUpdate();
+          }
+          log.info("Cleared previous service prescription for checkup_id: {}", saveCheckupRequest.getCheckupId());
+
           if (saveCheckupRequest.getServicePrescription() != null && 
               saveCheckupRequest.getServicePrescription().length > 0) {
             
@@ -877,7 +897,7 @@ public class ServerHandler extends SimpleChannelInboundHandler<TextWebSocketFram
           conn.commit();
           log.info("Successfully saved checkup {} with all related data", saveCheckupRequest.getCheckupId());
           
-          UserUtil.sendPacket(currentUser.getSessionId(), new AddCheckupResponse(true, "Checkup saved successfully"));
+          UserUtil.sendPacket(currentUser.getSessionId(), new SaveCheckupRes(true, "Checkup saved successfully"));
           
         } catch (Exception e) {
           log.error("Error saving checkup transaction", e);
@@ -902,6 +922,110 @@ public class ServerHandler extends SimpleChannelInboundHandler<TextWebSocketFram
           }
         }
       }
+      
+      if (packet instanceof GetOrderInfoByCheckupReq getOrderInfoByCheckupReq) {
+        log.debug("Received GetOrderInfoByCheckupReq for checkupId: {}", getOrderInfoByCheckupReq.getCheckupId());
+        
+        String checkupId = getOrderInfoByCheckupReq.getCheckupId();
+        String[][] medicinePrescription = null;
+        String[][] servicePrescription = null;
+
+        // Get Medicine Prescription
+        try {
+          PreparedStatement medStmt = Server.connection.prepareStatement(
+              """
+              SELECT
+                  M.med_id,
+                  M.med_name,
+                  OI.quantity_ordered,
+                  M.med_unit,
+                  OI.dosage,
+                  OI.price_per_unit,
+                  OI.total_price,
+                  OI.notes
+              FROM OrderItem OI
+              JOIN Medicine M ON OI.med_id = M.med_id
+              WHERE OI.checkup_id = ?
+              """
+          );
+          medStmt.setString(1, checkupId);
+          ResultSet medRs = medStmt.executeQuery();
+          
+          ArrayList<String[]> medList = new ArrayList<>();
+          while(medRs.next()) {
+            String[] med = new String[10];
+            med[0] = medRs.getString("med_id");
+            med[1] = medRs.getString("med_name");
+            med[2] = medRs.getString("quantity_ordered");
+            med[3] = medRs.getString("med_unit");
+            
+            // Parse dosage: "Sáng 1, Trưa 1, Chiều 1"
+            String dosage = medRs.getString("dosage");
+            String morning = "0", noon = "0", evening = "0";
+            if (dosage != null && !dosage.isEmpty()) {
+                String[] parts = dosage.split(", ");
+                for (String part : parts) {
+                    String[] dosagePart = part.split(" ");
+                    if (dosagePart.length == 2) {
+                        if ("Sáng".equals(dosagePart[0])) morning = dosagePart[1];
+                        else if ("Trưa".equals(dosagePart[0])) noon = dosagePart[1];
+                        else if ("Chiều".equals(dosagePart[0])) evening = dosagePart[1];
+                    }
+                }
+            }
+            med[4] = morning;
+            med[5] = noon;
+            med[6] = evening;
+
+            med[7] = medRs.getString("price_per_unit");
+            med[8] = medRs.getString("total_price");
+            med[9] = medRs.getString("notes");
+            medList.add(med);
+          }
+          medicinePrescription = medList.toArray(new String[0][]);
+          
+        } catch (SQLException e) {
+          log.error("Error getting medicine prescription for checkupId: " + checkupId, e);
+        }
+        
+        // Get Service Prescription
+        try {
+          PreparedStatement serStmt = Server.connection.prepareStatement(
+            """
+            SELECT
+                S.service_id,
+                S.service_name,
+                CS.quantity,
+                S.service_cost,
+                CS.total_cost
+            FROM CheckupService CS
+            JOIN Service S ON CS.service_id = S.service_id
+            WHERE CS.checkup_id = ?
+            """
+          );
+          serStmt.setString(1, checkupId);
+          ResultSet serRs = serStmt.executeQuery();
+          
+          ArrayList<String[]> serList = new ArrayList<>();
+          while(serRs.next()) {
+            String[] ser = new String[6];
+            ser[0] = serRs.getString("service_id");
+            ser[1] = serRs.getString("service_name");
+            ser[2] = serRs.getString("quantity");
+            ser[3] = serRs.getString("service_cost");
+            ser[4] = serRs.getString("total_cost");
+            ser[5] = ""; // Notes - not available in CheckupService table
+            serList.add(ser);
+          }
+          servicePrescription = serList.toArray(new String[0][]);
+
+        } catch (SQLException e) {
+          log.error("Error getting service prescription for checkupId: " + checkupId, e);
+        }
+        
+        UserUtil.sendPacket(currentUser.getSessionId(), new GetOrderInfoByCheckupRes(medicinePrescription, servicePrescription));
+        log.info("Sent order info for checkup {} to client", checkupId);
+      }
     }
   }