Complete InventoryDialogController migration

src/main/java/org/example/petshopdesktop/controllers/dialogcontrollers/InventoryDialogController.java

@@ -1,5 +1,7 @@
 package org.example.petshopdesktop.controllers.dialogcontrollers;
 
+import javafx.collections.FXCollections;
+import javafx.collections.ObservableList;
 import javafx.event.EventHandler;
 import javafx.fxml.FXML;
 import javafx.scene.Node;
@@ -11,14 +13,19 @@ import javafx.scene.control.TextField;
 import javafx.scene.input.MouseEvent;
 import javafx.stage.Stage;
 import javafx.util.StringConverter;
+import org.example.petshopdesktop.DTOs.InventoryDTO;
 import org.example.petshopdesktop.Validator;
-import org.example.petshopdesktop.database.InventoryDB;
-import org.example.petshopdesktop.database.ProductDB;
-import org.example.petshopdesktop.models.Inventory;
+import org.example.petshopdesktop.api.dto.inventory.InventoryRequest;
+import org.example.petshopdesktop.api.dto.inventory.InventoryResponse;
+import org.example.petshopdesktop.api.dto.product.ProductResponse;
+import org.example.petshopdesktop.api.endpoints.InventoryApi;
+import org.example.petshopdesktop.api.endpoints.ProductApi;
 import org.example.petshopdesktop.models.Product;
 import org.example.petshopdesktop.util.ActivityLogger;
 
-import java.sql.SQLException;
+import java.math.BigDecimal;
+import java.util.List;
+import java.util.stream.Collectors;
 
 public class InventoryDialogController {
 
@@ -60,12 +67,21 @@ public class InventoryDialogController {
             public Product fromString(String string) { return null; }
         });
 
-        //Load product list from DB into combobox
+        //Load product list from API into combobox
         try {
-            cbProduct.setItems(ProductDB.getProducts());
-        }
-
-        catch (SQLException e) {
+            List<ProductResponse> productResponses = ProductApi.getInstance().listProducts(null);
+            ObservableList<Product> products = FXCollections.observableArrayList();
+            for (ProductResponse pr : productResponses) {
+                products.add(new Product(
+                    pr.getId().intValue(),
+                    pr.getProductName(),
+                    pr.getPrice().doubleValue(),
+                    0,
+                    pr.getDescription()
+                ));
+            }
+            cbProduct.setItems(products);
+        } catch (Exception e) {
             ActivityLogger.getInstance().logException(
                 "InventoryDialogController.initialize",
                 e,
@@ -106,75 +122,33 @@ public class InventoryDialogController {
 
         //Operation only occurs if there are no errors
         if (errorMsg.isEmpty()) {
-
-            //Ensures duplicate entries aren't possible
-            if (mode.equals("Add")) {
+            try {
+                InventoryRequest request = new InventoryRequest();
                 Product selectedProduct = cbProduct.getSelectionModel().getSelectedItem();
+                request.setProductId((long) selectedProduct.getProdId());
+                request.setQuantity(Integer.parseInt(txtQuantity.getText()));
 
-                try {
-
-                    if (InventoryDB.productExistsInInventory(selectedProduct.getProdId())) {
-                        Alert alert = new Alert(Alert.AlertType.ERROR);
-                        alert.setHeaderText("Duplicate Entry");
-                        alert.setContentText("An inventory record for \"" + selectedProduct.getProdName() + "\" already exists.");
-                        alert.showAndWait();
-                        return;
-                    }
+                if (mode.equals("Add")) {
+                    InventoryApi.getInstance().createInventory(request);
+                } else {
+                    Long inventoryId = Long.parseLong(lblInventoryId.getText().split(": ")[1]);
+                    InventoryApi.getInstance().updateInventory(inventoryId, request);
                 }
 
-                catch (SQLException e) {
-                    ActivityLogger.getInstance().logException(
-                        "InventoryDialogController.buttonSaveClicked",
-                        e,
-                        "Checking if product exists in inventory");
-                    throw new RuntimeException(e);
-                }
-            }
-
-            Inventory inventory = collectInventory();
-
-            //Adding inventory
-            if (mode.equals("Add")) {
-                try {
-                    numRow = InventoryDB.insertInventory(inventory);
-                } catch (SQLException e) {
-                    ActivityLogger.getInstance().logException(
-                        "InventoryDialogController.buttonSaveClicked",
-                        e,
-                        "Inserting new inventory record");
-                    throw new RuntimeException(e);
-                }
-            }
-
-            //Updating inventory
-            else {
-                try {
-                    numRow = InventoryDB.updateInventory(inventory.getInventoryId(), inventory);
-                }
-
-                catch (SQLException e) {
-                    ActivityLogger.getInstance().logException(
-                        "InventoryDialogController.buttonSaveClicked",
-                        e,
-                        "Updating inventory with ID: " + inventory.getInventoryId());
-                    throw new RuntimeException(e);
-                }
-            }
-
-            //Display database operation result
-            if (numRow == 0) {
-                Alert alert = new Alert(Alert.AlertType.ERROR);
-                alert.setHeaderText("Database Operation Error");
-                alert.setContentText(mode + " failed");
-                alert.showAndWait();
-            }
-
-            else {
                 Alert alert = new Alert(Alert.AlertType.INFORMATION);
                 alert.setHeaderText("Saved");
                 alert.setContentText(mode + " succeeded");
                 alert.showAndWait();
                 closeStage(mouseEvent);
+            } catch (Exception e) {
+                ActivityLogger.getInstance().logException(
+                    "InventoryDialogController.buttonSaveClicked",
+                    e,
+                    mode + " inventory");
+                Alert alert = new Alert(Alert.AlertType.ERROR);
+                alert.setHeaderText("Database Operation Error");
+                alert.setContentText(e.getMessage());
+                alert.showAndWait();
             }
         }
 
@@ -187,27 +161,6 @@ public class InventoryDialogController {
         }
     }
 
-    //Create Inventory object using values entered by user
-    private Inventory collectInventory() {
-        int inventoryId = 0;
-
-        //Grab inventory ID when editing pre-existing record
-        if (lblInventoryId.isVisible()) {
-            inventoryId = Integer.parseInt(lblInventoryId.getText().split(": ")[1]);
-        }
-
-        //Get selected product
-        Product selectedProduct = cbProduct.getSelectionModel().getSelectedItem();
-
-        //Build and returns Inventory object
-        return new Inventory(
-                inventoryId,
-                selectedProduct.getProdId(),
-                selectedProduct.getProdName(),
-                Integer.parseInt(txtQuantity.getText())
-        );
-    }
-
     //Close dialog view
     private void closeStage(MouseEvent mouseEvent) {
         Node node = (Node) mouseEvent.getSource();
@@ -217,7 +170,7 @@ public class InventoryDialogController {
 
     //Editing
     //Displays fields with existing inventory data
-    public void displayInventoryDetails(Inventory inventory) {
+    public void displayInventoryDetails(InventoryDTO inventory) {
         if (inventory != null) {
 
             //Displays inventory ID