AddBillController.java

package openconsignment.controller.entry.bill;

import static openconsignment.common.Utils.formatDate;

import java.net.URL;
import java.util.List;
import java.util.ResourceBundle;
import java.util.logging.Level;
import java.util.logging.Logger;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.event.ActionEvent;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import javafx.scene.control.*;
import javafx.scene.control.cell.PropertyValueFactory;
import javax.inject.Inject;
import openconsignment.common.Utils;
import openconsignment.entity.BillEntity;
import openconsignment.entity.LREntity;
import openconsignment.model.LR;
import openconsignment.service.*;
import org.controlsfx.control.textfield.TextFields;

public class AddBillController implements Initializable {

    @FXML
    private TextField supplier_field;

    @FXML
    private TextField buyer_name_field;

    @FXML
    private TextField bill_no_field;

    @FXML
    private TextField transport_field;

    @FXML
    private DatePicker date_field;

    @FXML
    private DatePicker lr_date;

    @FXML
    private TextField bill_amount_field;

    @FXML
    private TextField pm_field;

    @FXML
    private TextField lr_field;

    @FXML
    private Button save_btn;

    @FXML
    private Button clear_btn;

    @FXML
    private Button add_btn;

    @FXML
    private TableView<LR> lrTable;

    @FXML
    private TableColumn<LR, String> lr_no_col;

    @FXML
    private TableColumn<LR, String> pm_col;

    @FXML
    private Button replace_btn;

    @FXML
    private Button delete_btn;

    final ObservableList<LR> lrList = FXCollections.observableArrayList();

    private final BillService billService;
    private final SupplierService supplierService;
    private final BuyerService buyerService;
    private final TransportService transportService;

    @Inject
    public AddBillController(
            BillService billService,
            SupplierService supplierService,
            BuyerService buyerService,
            TransportService transportService) {
        this.billService = billService;
        this.supplierService = supplierService;
        this.buyerService = buyerService;
        this.transportService = transportService;
    }

    @Override
    public void initialize(URL url, ResourceBundle rb) {
        try {
            TextFields.bindAutoCompletion(supplier_field, supplierService.getAllSuppliers());
            TextFields.bindAutoCompletion(buyer_name_field, buyerService.getAllBuyers());
            TextFields.bindAutoCompletion(transport_field, transportService.getAllTransports());

            lr_no_col.setCellValueFactory(new PropertyValueFactory<>("lrNo"));
            pm_col.setCellValueFactory(new PropertyValueFactory<>("pm"));

        } catch (Exception ex) {
            Utils.showAlert(ex.toString());
            Logger.getLogger(BillEntryController.class.getName()).log(Level.SEVERE, ex.toString(), ex);
        }
    }

    @FXML
    private void addToList(ActionEvent event) {
        if (bill_no_field.getText().isEmpty()
                || lr_field.getText().isEmpty()
                || pm_field.getText().isEmpty()) {
            Utils.showAlert("Please ensure that the Bill No., LR No. and PM fields are filled up properly.", 2);
            return;
        }
        lrList.add(new LR(bill_no_field.getText(), lr_field.getText(), pm_field.getText()));
        lrTable.setItems(lrList);
        lr_field.clear();
        pm_field.clear();
    }

    @FXML
    private void save(ActionEvent event) {
        if (supplier_field.getText().isEmpty()
                || buyer_name_field.getText().isEmpty()
                || bill_no_field.getText().isEmpty()
                || date_field.getValue().toString().isEmpty()
                || transport_field.getText().isEmpty()
                || lr_date.getValue().toString().isEmpty()
                || bill_amount_field.getText().isEmpty()
                || lrList.isEmpty()) {
            Utils.showAlert("Please ensure to fill up all the fields");
            return;
        }

        List<LREntity> lrEntityList = lrList.stream()
                .map(it -> new LREntity(it.getBillNo(), it.getLrNo(), it.getPm()))
                .toList();

        BillEntity billEntity = BillEntity.builder()
                .supplierName(supplier_field.getText())
                .buyerName(buyer_name_field.getText())
                .billNo(bill_no_field.getText())
                .billDate(formatDate(date_field.getValue().toString()))
                .transport(transport_field.getText())
                .lrDate(formatDate(lr_date.getValue().toString()))
                .billAmount(bill_amount_field.getText())
                .lrEntities(lrEntityList)
                .build();
        try {
            billService.saveBill(billEntity);
            clearAllFields();
            Utils.showAlert("Saved Successfully", 1);
        } catch (Exception ex) {
            Utils.showAlert(ex.toString());
            Logger.getLogger(BillEntryController.class.getName()).log(Level.SEVERE, ex.toString(), ex);
        }
    }

    @FXML
    private void clearAllFields() {
        supplier_field.clear();
        buyer_name_field.clear();
        bill_no_field.clear();
        transport_field.clear();
        date_field.setValue(null);
        lr_date.setValue(null);
        bill_amount_field.clear();
        pm_field.clear();
        lr_field.clear();
        lrList.clear();
    }

    @FXML
    private void replaceInList(ActionEvent event) {
        if (lrTable.getSelectionModel().getSelectedIndex() == -1) {
            Utils.showAlert("Please select an item from the LR Table", 2);
            return;
        }
        if (bill_no_field.getText().isEmpty()
                || lr_field.getText().isEmpty()
                || pm_field.getText().isEmpty()) {
            Utils.showAlert("Please ensure that the Bill No., LR No. and PM fields are filled up properly.", 2);
            return;
        }
        lrList.set(
                lrTable.getSelectionModel().getSelectedIndex(),
                new LR(bill_no_field.getText(), lr_field.getText(), pm_field.getText()));
        lr_field.clear();
        pm_field.clear();
    }

    @FXML
    private void deleteFromList(ActionEvent event) {
        if (lrTable.getSelectionModel().getSelectedIndex() == -1) {
            Utils.showAlert("Please select an item from the LR Table", 2);
            return;
        }
        lrList.remove(lrTable.getSelectionModel().getSelectedIndex());
    }
}