Rama-Ricardo #14
@ -1,10 +1,11 @@
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package com.primefactorsolutions.service;
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import com.primefactorsolutions.model.Candidate;
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import com.primefactorsolutions.model.Employee;
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import com.primefactorsolutions.repositories.EmployeeRepository;
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import org.springframework.data.domain.Page;
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import org.springframework.data.domain.PageRequest;
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import org.springframework.data.domain.Pageable;
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import lombok.Data;
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import org.apache.commons.lang3.NotImplementedException;
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import org.springframework.stereotype.Service;
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import java.util.List;
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@ -31,4 +32,14 @@ public class EmployeeService {
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public Employee getEmployee(final UUID id) {
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return null;
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}
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public Page<Employee> getEmployeesPaginated(int pageNo, int pageSize) {
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Pageable pageable = PageRequest.of(pageNo - 1, pageSize);
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return employeeRepository.findAll(pageable);
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}
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public boolean hasNextPage(int currentPage, int pageSize) {
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Page<Employee> page = getEmployeesPaginated(currentPage, pageSize);
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return page.hasNext();
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}
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}
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@ -10,19 +10,14 @@ import com.vaadin.flow.component.combobox.ComboBox;
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import com.vaadin.flow.component.html.H2;
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import com.vaadin.flow.component.html.Main;
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import com.vaadin.flow.component.orderedlayout.HorizontalLayout;
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import com.vaadin.flow.data.provider.DataProvider;
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import com.vaadin.flow.data.provider.DataProviderListener;
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import com.vaadin.flow.data.provider.Query;
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import com.vaadin.flow.function.ValueProvider;
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import com.vaadin.flow.router.PageTitle;
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import com.vaadin.flow.router.Route;
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import com.vaadin.flow.shared.Registration;
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import com.vaadin.flow.spring.annotation.SpringComponent;
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import jakarta.annotation.security.PermitAll;
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import org.springframework.context.annotation.Scope;
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import org.vaadin.firitin.components.grid.VGrid;
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import java.util.stream.Stream;
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import org.springframework.data.domain.Page;
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@SpringComponent
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@Scope("prototype")
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@ -31,6 +26,10 @@ import java.util.stream.Stream;
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@PermitAll
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public class EmployeesListView extends Main {
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private final EmployeeService employeeService;
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private int currentPage = 1;
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private final int pageSize = 5;
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private final Button previous;
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private final Button next;
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public EmployeesListView(final EmployeeService employeeService) {
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this.employeeService = employeeService;
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@ -69,58 +68,34 @@ public class EmployeesListView extends Main {
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});
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return save;
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});
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grid.setDataProvider(new DataProvider<>() {
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@Override
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public boolean isInMemory() {
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return false;
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}
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@Override
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public int size(final Query<Employee, Object> query) {
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return employeeService.getEmployees().size();
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}
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@Override
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public Stream<Employee> fetch(final Query<Employee, Object> query) {
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int limit = query.getLimit();
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int pagerSize = query.getPageSize();
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int page = query.getPage();
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return employeeService.getEmployees().stream();
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}
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@Override
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public void refreshItem(final Employee employee) {
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// no-op
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}
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@Override
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public void refreshAll() {
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// no-op
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}
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@Override
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public Registration addDataProviderListener(final DataProviderListener<Employee> dataProviderListener) {
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return null;
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this.previous = new Button("Previous");
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this.previous.addClickListener((ComponentEventListener<ClickEvent<Button>>) buttonClickEvent -> {
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if (currentPage > 1) {
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currentPage--;
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updateGrid(grid);
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}
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});
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final Button previous = new Button("Previous");
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previous.addClickListener((ComponentEventListener<ClickEvent<Button>>) buttonClickEvent -> {
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// no-op
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hf.add(this.previous);
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this.next = new Button("Next");
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this.next.addClickListener((ComponentEventListener<ClickEvent<Button>>) buttonClickEvent -> {
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if (employeeService.hasNextPage(currentPage, pageSize)) {
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currentPage++;
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updateGrid(grid);
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}
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});
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hf.add(previous);
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final Button next = new Button("Next");
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next.addClickListener((ComponentEventListener<ClickEvent<Button>>) buttonClickEvent -> {
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// no-op
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});
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hf.add(next);
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hf.add(this.next);
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final Button addEmployee = new Button("Add Employee");
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addEmployee.addClickListener((ComponentEventListener<ClickEvent<Button>>) buttonClickEvent -> {
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this.getUI().get().navigate(EmployeeView.class, "new");
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this.getUI().flatMap(ui -> ui.navigate(EmployeeView.class, "new"));
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});
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hf.add(addEmployee);
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add(title, hl, grid, hf);
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updateGrid(grid);
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}
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private void updateGrid(VGrid<Employee> grid) {
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Page<Employee> page = employeeService.getEmployeesPaginated(currentPage, pageSize);
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grid.setItems(page.getContent());
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this.previous.setEnabled(currentPage > 1);
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this.next.setEnabled(page.hasNext());
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}
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}
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@ -14,3 +14,14 @@ insert into employee (id, version, first_name, last_name, status) values ('f6ab3
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insert into employee (id, version, first_name, last_name, status) values ('2e2293b1-3f9a-4f3d-abc8-32639b0a5e15', 1, 'Carlos', 'Lopez Mendoza', 'INACTIVE');
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insert into employee (id, version, first_name, last_name, status) values ('4b1c6c35-4627-4b35-b6e9-dc75c68b2c31', 1, 'Maria', 'Fernandez Villca', 'ACTIVE');
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insert into employee (id, version, first_name, last_name, status) values ('afc5c741-f70a-4394-853b-39d51b118927', 1, 'Luis', 'Gutierrez Mamani', 'ACTIVE');
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insert into employee (id, version, first_name, last_name, status) values ('b2436b82-7b9f-4f0d-9463-f2c3173a45c3', 1, 'Laura', 'Martinez Paredes', 'INACTIVE');
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insert into employee (id, version, first_name, last_name, status) values ('6e6a8a4e-9f6b-44eb-8c69-40acfdc86756', 1, 'Roberto', 'Santos Escobar', 'ACTIVE');
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insert into employee (id, version, first_name, last_name, status) values ('36b0d1c6-bdc0-4d98-94bb-08b9bce3f0d5', 1, 'Valeria', 'Morales Ochoa', 'INACTIVE');
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insert into employee (id, version, first_name, last_name, status) values ('5a1c6d80-58b3-43e3-a5a5-24b4a2d1d54a', 1, 'Jorge', 'Ramirez Tapia', 'ACTIVE');
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insert into employee (id, version, first_name, last_name, status) values ('9d6a5b2e-6d0b-4b89-8d6a-d3f3d1bfc047', 1, 'Sandra', 'Torres Huanca', 'ACTIVE');
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insert into employee (id, version, first_name, last_name, status) values ('f8b3e0c0-0d5a-4e5c-bf9d-207b9b5e8279', 1, 'Felipe', 'Quispe Huanca', 'INACTIVE');
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insert into employee (id, version, first_name, last_name, status) values ('cd80e1d0-9a08-44a6-bd63-2c63eaa003d4', 1, 'Gabriela', 'Rivas Arana', 'ACTIVE');
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insert into employee (id, version, first_name, last_name, status) values ('62d3c1b7-815e-4e96-8d7e-f8c4236bca55', 1, 'Oscar', 'Flores Quiroga', 'INACTIVE');
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insert into employee (id, version, first_name, last_name, status) values ('f20b7c5a-5a67-44f0-9ec1-4c1b8e80de05', 1, 'Marta', 'Vargas Soria', 'ACTIVE');
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insert into employee (id, version, first_name, last_name, status) values ('19b5a76e-d7b1-4b76-8b02-4d0748e85809', 1, 'Andres', 'Espinoza Chura', 'INACTIVE');
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insert into employee (id, version, first_name, last_name, status) values ('5c1a7b82-832d-4f24-8377-54b77b91b6a8', 1, 'Carla', 'Villanueva Arce', 'ACTIVE');
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