made admin analyics able to select store

desktop/src/main/java/org/example/petshopdesktop/controllers/AnalyticsController.java

@@ -101,6 +101,9 @@ public class AnalyticsController {
     @FXML
     private ComboBox<String> cbTopN;
 
+    @FXML
+    private ComboBox<String> cbStoreFilter;
+
     @FXML
     private HBox hbViewToggle;
 
@@ -138,6 +141,9 @@ public class AnalyticsController {
         cbPaymentFilter.setItems(FXCollections.observableArrayList("All"));
         cbPaymentFilter.getSelectionModel().selectFirst();
 
+        cbStoreFilter.setItems(FXCollections.observableArrayList("All Stores"));
+        cbStoreFilter.getSelectionModel().selectFirst();
+
         lblFilterSummary.setText("All time");
 
         ToggleGroup tgViewMode = new ToggleGroup();
@@ -151,6 +157,7 @@ public class AnalyticsController {
             }
             viewMode = (newVal == tbnMyAnalytics) ? "mine" : "store";
             updateViewModeStyles();
+            updateStoreFilterVisibility();
             applyCurrentFilter();
         });
 
@@ -213,6 +220,8 @@ public class AnalyticsController {
                 Platform.runLater(() -> {
                     cachedSales = sales;
                     derivePaymentMethods();
+                    deriveStores();
+                    updateStoreFilterVisibility();
                     applyCurrentFilter();
                     btnRefresh.setDisable(false);
                 });
@@ -250,6 +259,12 @@ public class AnalyticsController {
             } else {
                 salesForMode = cachedSales;
             }
+            String storeFilter = currentFilter.storeFilter;
+            if (!storeFilter.equals("All Stores") && !storeFilter.isBlank()) {
+                salesForMode = salesForMode.stream()
+                    .filter(s -> storeFilter.equalsIgnoreCase(s.getStoreName() != null ? s.getStoreName() : ""))
+                    .collect(Collectors.toList());
+            }
             List<SaleResponse> filtered = filterSales(salesForMode, currentFilter);
             String start = currentFilter.startDate.isEmpty() ? LocalDate.now().minusDays(6).toString() : currentFilter.startDate;
             String end = currentFilter.endDate.isEmpty() ? LocalDate.now().toString() : currentFilter.endDate;
@@ -308,6 +323,31 @@ public class AnalyticsController {
         }
     }
 
+    private void deriveStores() {
+        Set<String> stores = new TreeSet<>();
+        for (SaleResponse s : cachedSales) {
+            if (s.getStoreName() != null && !s.getStoreName().isBlank()) {
+                stores.add(s.getStoreName());
+            }
+        }
+        List<String> items = new ArrayList<>();
+        items.add("All Stores");
+        items.addAll(stores);
+        String current = cbStoreFilter.getValue();
+        cbStoreFilter.setItems(FXCollections.observableArrayList(items));
+        if (current != null && items.contains(current)) {
+            cbStoreFilter.setValue(current);
+        } else {
+            cbStoreFilter.getSelectionModel().selectFirst();
+        }
+    }
+
+    private void updateStoreFilterVisibility() {
+        boolean show = UserSession.getInstance().isAdmin() && viewMode.equals("store");
+        cbStoreFilter.setVisible(show);
+        cbStoreFilter.setManaged(show);
+    }
+
     private void updateFilterSummary() {
         String start = currentFilter.startDate;
         String end = currentFilter.endDate;
@@ -665,6 +705,7 @@ public class AnalyticsController {
         dpEndDate.setValue(null);
         cbPaymentFilter.getSelectionModel().selectFirst();
         cbTopN.getSelectionModel().selectFirst();
+        cbStoreFilter.getSelectionModel().selectFirst();
         currentFilter = new FilterState();
         applyCurrentFilter();
     }
@@ -683,6 +724,8 @@ public class AnalyticsController {
         currentFilter.paymentMethod = pm != null ? pm : "All";
         int topNPos = cbTopN.getSelectionModel().getSelectedIndex();
         currentFilter.topN = (topNPos >= 0 && topNPos < TOP_N_VALUES.length) ? TOP_N_VALUES[topNPos] : 5;
+        String sf = cbStoreFilter.getValue();
+        currentFilter.storeFilter = (sf != null && !sf.isBlank()) ? sf : "All Stores";
         applyCurrentFilter();
     }
 
@@ -691,5 +734,6 @@ public class AnalyticsController {
         String endDate = "";
         String paymentMethod = "All";
         int topN = 5;
+        String storeFilter = "All Stores";
     }
 }

desktop/src/main/resources/org/example/petshopdesktop/modelviews/analytics-view.fxml

@@ -102,6 +102,7 @@
                     </FlowPane>
                     <HBox alignment="CENTER_LEFT" spacing="8.0">
                         <children>
+                            <ComboBox fx:id="cbStoreFilter" prefWidth="145.0" promptText="All Stores" visible="false" managed="false" />
                             <ComboBox fx:id="cbPaymentFilter" prefWidth="145.0" promptText="All Payments" />
                             <ComboBox fx:id="cbTopN" prefWidth="110.0" />
                             <Region HBox.hgrow="ALWAYS" />