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src/main/java/com/divudi/bean/optician/OpticianController.java

@@ -33,6 +33,12 @@ public String navigateToOpticianPatientManagement() {
     public String navigateToOpticianAppointmentManagement() {
         return "/optician/appointment_management?faces-redirect=true";
     }
+
+
+     // Navigation to the optician Appointment Management page
+    public String navigateToStockReport() {
+        return "/optician/stock_by_batch?faces-redirect=true";
+    }
 
     // Navigation to the optician Stock Management page
     public String navigateToOpticianStockManagement() {

src/main/java/com/divudi/bean/pharmacy/StockController.java

@@ -206,7 +206,7 @@ public void addItemStockToStocks(Set<Stock> inputStocks) {
         if (inputStocks == null) {
             return;
         }
-        if(inputStocks.size()>20){
+        if (inputStocks.size() > 20) {
             return;
         }
         // Map to store the total stock quantity for each item
@@ -563,9 +563,9 @@ public void saveSelected() {
         recreateModel();
         getItems();
     }
-    
+
     public void save(Stock s) {
-        if (s==null) {
+        if (s == null) {
             return;
         }
         if (s.getId() != null && s.getId() > 0) {
@@ -576,6 +576,17 @@ public void save(Stock s) {
             JsfUtil.addSuccessMessage("Saved Successfully");
         }
     }
+
+    public void saveSilantly(Stock s) {
+        if (s == null) {
+            return;
+        }
+        if (s.getId() != null && s.getId() > 0) {
+            getFacade().edit(s);
+        } else {
+            getFacade().create(s);
+        }
+    }
 
     public void setSelectText(String selectText) {
         this.selectText = selectText;
@@ -650,6 +661,26 @@ public Stock getStock() {
         return stock;
     }
 
+    public Stock findStockById(String strId) {
+        if (strId == null || strId.isEmpty()) {
+            throw new IllegalArgumentException("The provided ID string is null or empty.");
+        }
+
+        try {
+            Long id = Long.parseLong(strId);
+            return findStockById(id);
+        } catch (NumberFormatException e) {
+            throw new IllegalArgumentException("The provided ID string is not a valid number.", e);
+        }
+    }
+
+    public Stock findStockById(Long id) {
+        if (id == null) {
+            throw new IllegalArgumentException("The provided ID is null.");
+        }
+        return getFacade().find(id);
+    }
+
     public void setStock(Stock stock) {
         this.stock = stock;
     }

src/main/java/com/divudi/ws/lims/Lims.java

@@ -9,6 +9,7 @@
 import com.divudi.bean.common.CommonController;
 import com.divudi.bean.common.ItemController;
 import com.divudi.bean.common.SecurityController;
+import com.divudi.bean.pharmacy.StockController;
 import com.divudi.data.InvestigationItemType;
 import com.divudi.entity.Bill;
 import com.divudi.entity.BillItem;
@@ -88,6 +89,8 @@ public class Lims {
     ItemController itemController;
     @Inject
     BillBeanController billBeanController;
+    @Inject
+    StockController stockController;
 
     /**
      * Creates a new instance of LIMS
@@ -350,6 +353,52 @@ public String processBarcodeFromBill(String barcode, WebUser requestSendingUser)
         return jSONObjectOut.toString();
     }
 
+    public String processBarcodeFromStock(String barcode, WebUser requestSendingUser) {
+        JSONArray array = new JSONArray();
+        if (barcode == null) {
+            return "";
+        }
+
+        Stock stock = stockController.findStockById(barcode);
+        if (stock == null) {
+            return "";
+        }
+
+        Item i = stock.getItemBatch().getItem();
+        if (i == null || i.getItemBarcodeGenerationStrategy() == null) {
+            return "";
+        }
+
+        switch (i.getItemBarcodeGenerationStrategy()) {
+            case BY_INDIVIDUAL_UNIT:
+                JSONArray jArray = constructUnitBarcodesJson(stock);
+                if (jArray != null) {
+                    for (int index = 0; index < jArray.length(); index++) {
+                        array.put(jArray.get(index));
+                    }
+                }
+                break;
+            case BY_BATCH:
+                JSONObject bcBatch = constructBatchBarcodeJson(stock);
+                if (bcBatch != null) {
+                    array.put(bcBatch);
+                }
+                break;
+            case BY_ITEM:
+                JSONObject bcItem = constructItemBarcodeJson(i);
+                if (bcItem != null) {
+                    array.put(bcItem);
+                }
+                break;
+            default:
+                break;
+        }
+
+        JSONObject jSONObjectOut = new JSONObject();
+        jSONObjectOut.put("Barcodes", array);
+        return jSONObjectOut.toString();
+    }
+
     public String processSamplesFromBill(String billId, String username, String password) {
 
         String validationError = validateInput(billId, username, password);
@@ -377,7 +426,7 @@ public String processItemBarcodesFromBillID(String billId, String username, Stri
             return constructErrorJson(1, "Username / password mismatch.", billId);
         }
 
-        return processBarcodeFromBill(billId, requestSendingUser);
+        return processBarcodeFromStock(billId, requestSendingUser);
     }
 
     public String generateSamplesForInternalUse(String billId, WebUser user) {
@@ -604,6 +653,58 @@ private JSONArray constructUnitBarcodesJson(BillItem bi, Long startBarcode, Long
         return jsonArray;
     }
 
+    public Long createBarcode(String prefix, Long number) {
+        String formattedNumber = String.format("%06d", number);
+        String combinedString = prefix + formattedNumber;
+        Long barcode = Long.parseLong(combinedString);
+        return barcode;
+    }
+
+    private JSONArray constructUnitBarcodesJson(Stock stock) {
+
+        String initialPartOfBarcode = stock.getItemBatch().getItem().getBarcode();
+        Long startLongSecondPart = stock.getItemBatch().getItem().getLastBarcode() + 1;
+        Double qty = stock.getStock();
+        Long endLongSecondPart = stock.getItemBatch().getItem().getLastBarcode() + Math.round(qty);
+        Long startFullBarcode = createBarcode(initialPartOfBarcode, startLongSecondPart);
+        Long endFullBarcode = createBarcode(initialPartOfBarcode, endLongSecondPart);
+        stock.setStartBarcode(startFullBarcode);
+        stock.setEndBarcode(endFullBarcode);
+        stock.getItemBatch().getItem().setLastBarcode(endLongSecondPart);
+        itemController.saveSelected(stock.getItemBatch().getItem());
+        stockController.saveSilantly(stock);
+
+        JSONArray jsonArray = new JSONArray();
+
+        DecimalFormat rateFormatter = new DecimalFormat("#,##0.00");
+        String formattedRate = "";
+        try {
+            Double rate = stock.getItemBatch().getRetailsaleRate();
+            if (rate != null) {
+                formattedRate = rateFormatter.format(rate);
+            }
+        } catch (Exception e) {
+            System.out.println("Error in formatting rate: " + e);
+        }
+
+        Long barcode = stock.getStartBarcode();
+        Long endBarcode = stock.getEndBarcode();
+        try {
+            while (barcode <= endBarcode) {
+                JSONObject jsonObject = new JSONObject();
+                jsonObject.put("itemName", stock.getItemBatch().getItem().getName() != null ? stock.getItemBatch().getItem().getName() : "");
+                jsonObject.put("rate", formattedRate);
+                jsonObject.put("barcode", barcode);
+                jsonArray.put(jsonObject);
+                barcode++;
+            }
+        } catch (Exception e) {
+            System.out.println("Error while constructing JSON array: " + e);
+        }
+
+        return jsonArray;
+    }
+
     private JSONObject constructBatchBarcodeJson(Stock stock) {
         if (stock == null || stock.getStartBarcode() == null) {
             return null;  // Return an empty array if input is invalid