src/main/java/com/primefactorsolutions/model/Employee.java

@@ -17,15 +17,13 @@ import java.util.List;
 @NoArgsConstructor
 @EqualsAndHashCode(callSuper = true)
 public class Employee extends BaseEntity {
-    private String username;
     private String firstName;
     private String lastName;
-    private LocalDate dob;
+    @Enumerated(EnumType.STRING)
-    private String personalEmail;
+    private Status status;
-    @Type(JsonType.class)
+
-    @Column(columnDefinition = "json")
+    public enum Status {
-    private List<String> phoneNumbers;
+        ACTIVE,
-    @OneToMany(fetch = FetchType.EAGER, mappedBy = "employee", cascade = {CascadeType.ALL})
+        INACTIVE
-    private List<Document> documents;
+    }
-    private Role role;
 }

src/main/java/com/primefactorsolutions/service/EmployeeService.java

@@ -1,5 +1,6 @@
 package com.primefactorsolutions.service;
 
+import com.primefactorsolutions.model.Candidate;
 import com.primefactorsolutions.model.Employee;
 import com.primefactorsolutions.repositories.EmployeeRepository;
 import lombok.Data;
@@ -7,19 +8,27 @@ import org.apache.commons.lang3.NotImplementedException;
 import org.springframework.stereotype.Service;
 
 import java.util.List;
+import java.util.UUID;
 
 @Service
 @Data
 public class EmployeeService {
     private final EmployeeRepository employeeRepository;
 
-    private List<Employee> getEmployees() {
+    public EmployeeService(EmployeeRepository employeeRepository) {
-        // TODO: implement
+        this.employeeRepository = employeeRepository;
-        throw new NotImplementedException();
     }
 
-    private Employee createOrUpdateEmployee(final Employee employee) {
+    public Employee createOrUpdate(final Employee employee) {
-        // TODO: implement
+        final Employee saved = employeeRepository.save(employee);
-        throw new NotImplementedException();
+        return saved;
+    }
+
+    public List<Employee> getEmployees() {
+        return employeeRepository.findAll();
+    }
+
+    public Employee getEmployee(final UUID id) {
+        return null;
     }
 }

src/main/java/com/primefactorsolutions/views/EmployeeView.java

@@ -3,16 +3,20 @@ package com.primefactorsolutions.views;
 import com.primefactorsolutions.model.Employee;
 import com.primefactorsolutions.service.EmployeeService;
 import com.vaadin.flow.component.Component;
+import com.vaadin.flow.component.textfield.EmailField;
+import com.vaadin.flow.component.textfield.TextField;
 import com.vaadin.flow.router.BeforeEvent;
 import com.vaadin.flow.router.HasUrlParameter;
 import com.vaadin.flow.router.PageTitle;
 import com.vaadin.flow.router.Route;
 import com.vaadin.flow.spring.annotation.SpringComponent;
 import jakarta.annotation.security.PermitAll;
+import org.apache.commons.lang3.StringUtils;
 import org.springframework.context.annotation.Scope;
 import org.vaadin.firitin.form.BeanValidationForm;
 
 import java.util.List;
+import java.util.UUID;
 
 @SpringComponent
 @PermitAll
@@ -20,22 +24,36 @@ import java.util.List;
 @PageTitle("Employee")
 @Route(value = "/employees", layout = MainLayout.class)
 public class EmployeeView extends BeanValidationForm<Employee> implements HasUrlParameter<String> {
-
     private final EmployeeService employeeService;
 
+    private TextField name = null;
+
     public EmployeeView(final EmployeeService employeeService) {
         super(Employee.class);
         this.employeeService = employeeService;
-    }
+        name = new TextField();
+        name.setWidthFull();
+        name.setLabel("Name");
 
-    @Override
+        setSavedHandler((SavedHandler<Employee>) employee -> {
-    protected List<Component> getFormComponents() {
+            final Employee saved = employeeService.createOrUpdate(employee);
-        return null;
+            setEntityWithEnabledSave(saved);
+        });
     }
 
     @Override
     public void setParameter(final BeforeEvent beforeEvent, final String s) {
+        if (StringUtils.isNotBlank(s) && !"new".equals(s)) {
+            var employee = employeeService.getEmployee(UUID.fromString(s));
+            setEntityWithEnabledSave(employee);
+        } else {
+            setEntityWithEnabledSave(new Employee());
+        }
+    }
 
+    @Override
+    protected List<Component> getFormComponents() {
+        return List.of(name);
     }
 }
 

src/main/java/com/primefactorsolutions/views/EmployeesListView.java

@@ -1,11 +1,28 @@
 package com.primefactorsolutions.views;
 
+import com.primefactorsolutions.model.Employee;
+import com.primefactorsolutions.service.EmployeeService;
+import com.vaadin.flow.component.ClickEvent;
+import com.vaadin.flow.component.Component;
+import com.vaadin.flow.component.ComponentEventListener;
+import com.vaadin.flow.component.button.Button;
+import com.vaadin.flow.component.combobox.ComboBox;
+import com.vaadin.flow.component.html.H2;
 import com.vaadin.flow.component.html.Main;
+import com.vaadin.flow.component.orderedlayout.HorizontalLayout;
+import com.vaadin.flow.data.provider.DataProvider;
+import com.vaadin.flow.data.provider.DataProviderListener;
+import com.vaadin.flow.data.provider.Query;
+import com.vaadin.flow.function.ValueProvider;
 import com.vaadin.flow.router.PageTitle;
 import com.vaadin.flow.router.Route;
+import com.vaadin.flow.shared.Registration;
 import com.vaadin.flow.spring.annotation.SpringComponent;
 import jakarta.annotation.security.PermitAll;
 import org.springframework.context.annotation.Scope;
+import org.vaadin.firitin.components.grid.VGrid;
+
+import java.util.stream.Stream;
 
 @SpringComponent
 @Scope("prototype")
@@ -13,4 +30,97 @@ import org.springframework.context.annotation.Scope;
 @Route(value = "/employees", layout = MainLayout.class)
 @PermitAll
 public class EmployeesListView extends Main {
+    private final EmployeeService employeeService;
+
+    public EmployeesListView(final EmployeeService employeeService) {
+        this.employeeService = employeeService;
+        final H2 title = new H2("Employees list");
+        final HorizontalLayout hl = new HorizontalLayout();
+        final HorizontalLayout hf = new HorizontalLayout();
+        final Button employeeListAscendingOrder  = new Button("Employee List in Ascending Order");
+        employeeListAscendingOrder.addClickListener((ComponentEventListener<ClickEvent<Button>>) buttonClickEvent -> {
+            // no-op
+        });
+        hl.add(employeeListAscendingOrder);
+        final Button employeeListDescendingOrder  = new Button("Employee List in Descending Order");
+        employeeListDescendingOrder.addClickListener((ComponentEventListener<ClickEvent<Button>>) buttonClickEvent -> {
+            // no-op
+        });
+        hl.add(employeeListDescendingOrder);
+        final VGrid<Employee> grid = new VGrid<>(Employee.class);
+        grid.setColumns("firstName", "lastName", "status");
+        grid.setAllRowsVisible(true);
+        grid.addComponentColumn((ValueProvider<Employee, Component>) employee -> {
+            ComboBox<String> statusComboBox = new ComboBox<>();
+            statusComboBox.setItems("Active", "Inactive");
+            return statusComboBox;
+        }).setHeader("Change Status");
+        grid.addComponentColumn((ValueProvider<Employee, Component>) employee -> {
+            final Button edit = new Button("Edit");
+            edit.addClickListener((ComponentEventListener<ClickEvent<Button>>) buttonClickEvent -> {
+                // no-op
+            });
+            return edit;
+        });
+        grid.addComponentColumn((ValueProvider<Employee, Component>) employee -> {
+            final Button save = new Button("Save");
+            save.addClickListener((ComponentEventListener<ClickEvent<Button>>) buttonClickEvent -> {
+                // no-op
+            });
+            return save;
+        });
+
+        grid.setDataProvider(new DataProvider<>() {
+            @Override
+            public boolean isInMemory() {
+                return false;
+            }
+
+            @Override
+            public int size(final Query<Employee, Object> query) {
+                return employeeService.getEmployees().size();
+            }
+
+            @Override
+            public Stream<Employee> fetch(final Query<Employee, Object> query) {
+                int limit = query.getLimit();
+                int pagerSize = query.getPageSize();
+                int page = query.getPage();
+                return employeeService.getEmployees().stream();
+            }
+
+            @Override
+            public void refreshItem(final Employee employee) {
+                // no-op
+            }
+
+            @Override
+            public void refreshAll() {
+                // no-op
+            }
+
+            @Override
+            public Registration addDataProviderListener(final DataProviderListener<Employee> dataProviderListener) {
+                return null;
+            }
+        });
+
+        final Button previous = new Button("Previous");
+        previous.addClickListener((ComponentEventListener<ClickEvent<Button>>) buttonClickEvent -> {
+            // no-op
+        });
+        hf.add(previous);
+        final Button next = new Button("Next");
+        next.addClickListener((ComponentEventListener<ClickEvent<Button>>) buttonClickEvent -> {
+            //  no-op
+        });
+        hf.add(next);
+        final Button addEmployee = new Button("Add Employee");
+        addEmployee.addClickListener((ComponentEventListener<ClickEvent<Button>>) buttonClickEvent -> {
+            this.getUI().get().navigate(EmployeeView.class, "new");
+        });
+        hf.add(addEmployee);
+
+        add(title, hl, grid, hf);
+    }
 }

src/main/resources/data.sql

@@ -7,4 +7,10 @@ insert into assessment(id, version, candidate_id) values ('46b153f4-23fd-462f-84
 
 insert into ASSESSMENT_QUESTIONS (assessment_id, question_id) values ('46b153f4-23fd-462f-8430-fbe67b83caab', 'a7e00ff8-da41-4624-b31c-1b13c3f2e3ae');
 
-insert into ASSESSMENT_QUESTIONS (assessment_id, question_id) values ('46b153f4-23fd-462f-8430-fbe67b83caab', '8a4b213c-ca81-4c38-b56d-d7028c2dde88');
+insert into ASSESSMENT_QUESTIONS (assessment_id, question_id) values ('46b153f4-23fd-462f-8430-fbe67b83caab', '8a4b213c-ca81-4c38-b56d-d7028c2dde88');
+
+insert into employee (id, version, first_name, last_name, status) values ('e99b7af5-7d3a-4c0f-b8bc-e8d0388d8fc4', 1, 'Juan', 'Perez Condori', 'INACTIVE');
+insert into employee (id, version, first_name, last_name, status) values ('f6ab3c6d-7078-45f6-9b22-4e37637bfec6', 1, 'Ana', 'Garcia Rojas', 'ACTIVE');
+insert into employee (id, version, first_name, last_name, status) values ('2e2293b1-3f9a-4f3d-abc8-32639b0a5e15', 1, 'Carlos', 'Lopez Mendoza', 'INACTIVE');
+insert into employee (id, version, first_name, last_name, status) values ('4b1c6c35-4627-4b35-b6e9-dc75c68b2c31', 1, 'Maria', 'Fernandez Villca', 'ACTIVE');
+insert into employee (id, version, first_name, last_name, status) values ('afc5c741-f70a-4394-853b-39d51b118927', 1, 'Luis', 'Gutierrez Mamani', 'ACTIVE');