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

@@ -10,6 +10,13 @@ public abstract class BaseEntity {
     @Id
     @GeneratedValue(strategy = GenerationType.UUID)
     private UUID id;
+    private Employee.Status status;
+    private String fileName;
+    @Lob
+    @Column(columnDefinition = "BLOB")
+    private byte[] fileData;
+    @Enumerated(EnumType.STRING)
+    private DocumentType documentType;
 
     @Version
     private int version;
@@ -44,4 +51,24 @@ public abstract class BaseEntity {
         }
         return super.equals(that);
     }
+
+    public String getFileName() {
+        return fileName;
+    }
+
+    public byte[] getFileData() {
+        return fileData;
+    }
+
+    public DocumentType getDocumentType() {
+        return documentType;
+    }
+
+    public void setStatus(Employee.Status status) {
+        this.status = status;
+    }
+
+    public Employee.Status getStatus() {
+        return status;
+    }
 }

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

@@ -4,8 +4,8 @@ import jakarta.persistence.*;
 
 import lombok.*;
 
-@Data
 @Entity
+@Data
 @AllArgsConstructor
 @NoArgsConstructor
 @EqualsAndHashCode(callSuper = true)

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

@@ -1,26 +1,46 @@
 package com.primefactorsolutions.views;
 
+import com.primefactorsolutions.model.Document;
 import com.primefactorsolutions.model.DocumentType;
 import com.primefactorsolutions.service.DocumentService;
+import com.vaadin.flow.component.Component;
+import com.vaadin.flow.component.button.Button;
+import com.vaadin.flow.component.dialog.Dialog;
+import com.vaadin.flow.component.html.Div;
+import com.vaadin.flow.component.html.H2;
+import com.vaadin.flow.component.html.IFrame;
+import com.vaadin.flow.component.html.Main;
+import com.vaadin.flow.component.notification.Notification;
+import com.vaadin.flow.component.orderedlayout.FlexComponent;
+import com.vaadin.flow.component.orderedlayout.HorizontalLayout;
+import com.vaadin.flow.component.orderedlayout.VerticalLayout;
+import com.vaadin.flow.component.upload.Upload;
+import com.vaadin.flow.component.upload.receivers.MemoryBuffer;
 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.springframework.context.annotation.Scope;
 
+import java.io.IOException;
+import java.util.Base64;
+
 @SpringComponent
 @PermitAll
 @Scope("prototype")
 @PageTitle("CorporateDocuments")
 @Route(value = "/corporate-documents/me", layout = MainLayout.class)
-public class CorporateDocumentsView extends DocumentsView {
+public class CorporateDocumentsView extends Main {
+    private final DocumentService documentService;
+    private final MemoryBuffer buffer = new MemoryBuffer();
+    private String lastUploadedFileName = null;
 
     public CorporateDocumentsView(final DocumentService documentService) {
-        super(documentService);
+        this.documentService = documentService;
+        initializeLayout();
     }
 
-    @Override
+    private void initializeLayout() {
-    protected void initializeLayout() {
         add(createRow("General Labor Regulations", DocumentType.GENERAL_LABOR_REGULATIONS,
                 "Remote Work Guidelines", DocumentType.REMOTE_WORK_GUIDELINES));
         add(createRow("Safety Regulations", DocumentType.SAFETY_REGULATIONS,
@@ -28,4 +48,126 @@ public class CorporateDocumentsView extends DocumentsView {
         add(createRow("Administration Functions Manual", DocumentType.ADMINISTRATION_FUNCTIONS_MANUAL,
                 "Engineering Functions Manual", DocumentType.ENGINEERING_FUNCTIONS_MANUAL));
     }
+
+    private HorizontalLayout createRow(
+            final String title1,
+            final DocumentType type1,
+            final String title2,
+            final DocumentType type2) {
+
+        HorizontalLayout row = new HorizontalLayout();
+        row.add(
+                createDocumentSection(title1, type1),
+                createDocumentSection(title2, type2)
+        );
+        return row;
+    }
+
+    private Div createDocumentSection(final String title, final DocumentType documentType) {
+        Div section = new Div();
+        section.add(new H2(title));
+
+        Upload upload = createUploadComponent();
+        Button viewButton = createViewButton(documentType);
+        Button saveButton = createSaveButton(viewButton, documentType);
+
+        section.add(createLayout(upload),
+                createLayout(viewButton, new Button("Edit"), saveButton),
+                createAdditionalButtons());
+        return section;
+    }
+
+    private Upload createUploadComponent() {
+        Upload upload = new Upload(buffer);
+        upload.setMaxFiles(1);
+        upload.setAcceptedFileTypes(".pdf");
+        upload.addSucceededListener(event -> handleUploadSuccess(event.getFileName()));
+        return upload;
+    }
+
+    private Button createViewButton(final DocumentType documentType) {
+        Button viewButton = new Button("View");
+        viewButton.setEnabled(documentExists(documentType));
+        viewButton.addClickListener(event -> viewDocument(documentType));
+        return viewButton;
+    }
+
+    private Button createSaveButton(final Button viewButton, final DocumentType documentType) {
+        Button saveButton = new Button("Save");
+        saveButton.addClickListener(event -> saveFile(documentType, viewButton));
+        return saveButton;
+    }
+
+    private void handleUploadSuccess(final String fileName) {
+        lastUploadedFileName = fileName;
+        Notification.show("File uploaded successfully");
+    }
+
+    private HorizontalLayout createLayout(final Component... components) {
+        if (components.length != 1 && components.length != 3) {
+            throw new IllegalArgumentException("This method only accepts 1 or 3 components.");
+        }
+        HorizontalLayout layout = new HorizontalLayout(components);
+        layout.setJustifyContentMode(FlexComponent.JustifyContentMode.CENTER);
+        return layout;
+    }
+
+    private HorizontalLayout createAdditionalButtons() {
+        return createLayout(new Button("Print"), new Button("Download"), new Button("Delete"));
+    }
+
+    private void saveFile(final DocumentType documentType, final Button viewButton) {
+        if (lastUploadedFileName == null) {
+            Notification.show("Please upload a file first.");
+            return;
+        }
+        try {
+            byte[] content = buffer.getInputStream().readAllBytes();
+            documentService.saveDocument(new Document(lastUploadedFileName, documentType, content));
+            Notification.show("File saved successfully.");
+            viewButton.setEnabled(true);
+        } catch (IOException e) {
+            Notification.show("Error saving file: " + e.getMessage());
+        }
+    }
+
+    private boolean documentExists(final DocumentType documentType) {
+        return documentService.getAllDocuments().stream()
+                .anyMatch(doc -> doc.getDocumentType() == documentType);
+    }
+
+    private void viewDocument(final DocumentType documentType) {
+        documentService.getAllDocuments().stream()
+                .filter(doc -> doc.getDocumentType() == documentType)
+                .findFirst()
+                .ifPresentOrElse(this::showPdfDialog, () -> Notification.show("Document not found."));
+    }
+
+    private void showPdfDialog(final Document document) {
+        Dialog dialog = createDialog(document.getFileData());
+        dialog.open();
+    }
+
+    private Dialog createDialog(final byte[] fileData) {
+        Dialog dialog = new Dialog();
+        dialog.setModal(true);
+        dialog.setCloseOnEsc(true);
+        dialog.setCloseOnOutsideClick(true);
+
+        IFrame pdfFrame = new IFrame();
+        pdfFrame.setSrc(createPdfResource(fileData));
+        pdfFrame.setWidth("800px");
+        pdfFrame.setHeight("600px");
+
+        Button closeButton = new Button("Close", event -> dialog.close());
+        VerticalLayout layout = new VerticalLayout(pdfFrame, closeButton);
+        layout.setAlignItems(FlexComponent.Alignment.CENTER);
+
+        dialog.add(layout);
+        return dialog;
+    }
+
+    private String createPdfResource(final byte[] fileData) {
+        return "data:application/pdf;base64," + Base64.getEncoder().encodeToString(fileData);
+    }
 }

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

@@ -1,174 +1,17 @@
 package com.primefactorsolutions.views;
 
-import com.primefactorsolutions.model.Document;
-import com.primefactorsolutions.model.DocumentType;
-import com.primefactorsolutions.service.DocumentService;
-import com.vaadin.flow.component.Component;
-import com.vaadin.flow.component.button.Button;
-import com.vaadin.flow.component.dialog.Dialog;
-import com.vaadin.flow.component.html.Div;
-import com.vaadin.flow.component.html.H2;
-import com.vaadin.flow.component.html.IFrame;
 import com.vaadin.flow.component.html.Main;
-import com.vaadin.flow.component.notification.Notification;
-import com.vaadin.flow.component.orderedlayout.FlexComponent;
-import com.vaadin.flow.component.orderedlayout.HorizontalLayout;
-import com.vaadin.flow.component.orderedlayout.VerticalLayout;
-import com.vaadin.flow.component.upload.Upload;
-import com.vaadin.flow.component.upload.receivers.MemoryBuffer;
 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.springframework.context.annotation.Scope;
 
-import java.io.IOException;
-import java.util.Base64;
-
 @SpringComponent
 @PermitAll
 @Scope("prototype")
 @PageTitle("Documents")
 @Route(value = "/documents/me", layout = MainLayout.class)
-public abstract class DocumentsView extends Main {
+public class DocumentsView extends Main {
-    private final DocumentService documentService;
-    private final MemoryBuffer buffer = new MemoryBuffer();
-    private String lastUploadedFileName = null;
-
-    public DocumentsView(final DocumentService documentService) {
-        this.documentService = documentService;
-        initializeLayout();
-    }
-
-    protected abstract void initializeLayout();
-
-    protected HorizontalLayout createRow(
-            final String title1,
-            final DocumentType type1,
-            final String title2,
-            final DocumentType type2) {
-
-        HorizontalLayout row = new HorizontalLayout();
-        row.add(
-                createDocumentSection(title1, type1),
-                createDocumentSection(title2, type2)
-        );
-        return row;
-    }
-
-    protected HorizontalLayout createRow(final String title1, final DocumentType type1) {
-        HorizontalLayout row = new HorizontalLayout();
-        row.add(createDocumentSection(title1, type1));
-        return row;
-    }
-
-    private Div createDocumentSection(final String title, final DocumentType documentType) {
-        Div section = new Div();
-        section.add(new H2(title));
-
-        Upload upload = createUploadComponent();
-        Button viewButton = createViewButton(documentType);
-        Button saveButton = createSaveButton(viewButton, documentType);
-
-        section.add(createLayout(upload),
-                createLayout(viewButton, new Button("Edit"), saveButton),
-                createAdditionalButtons());
-        return section;
-    }
-
-    private Upload createUploadComponent() {
-        Upload upload = new Upload(buffer);
-        upload.setMaxFiles(1);
-        upload.setAcceptedFileTypes(".pdf");
-        upload.addSucceededListener(event -> handleUploadSuccess(event.getFileName()));
-        return upload;
-    }
-
-    private Button createViewButton(final DocumentType documentType) {
-        Button viewButton = new Button("View");
-        viewButton.setEnabled(documentExists(documentType));
-        viewButton.addClickListener(event -> viewDocument(documentType));
-        return viewButton;
-    }
-
-    private Button createSaveButton(final Button viewButton, final DocumentType documentType) {
-        Button saveButton = new Button("Save");
-        saveButton.addClickListener(event -> saveFile(documentType, viewButton));
-        return saveButton;
-    }
-
-    private void handleUploadSuccess(final String fileName) {
-        lastUploadedFileName = fileName;
-        Notification.show("File uploaded successfully");
-    }
-
-    private HorizontalLayout createLayout(final Component... components) {
-        if (components.length != 1 && components.length != 3) {
-            throw new IllegalArgumentException("This method only accepts 1 or 3 components.");
-        }
-        HorizontalLayout layout = new HorizontalLayout(components);
-        layout.setJustifyContentMode(FlexComponent.JustifyContentMode.CENTER);
-        return layout;
-    }
-
-    private HorizontalLayout createAdditionalButtons() {
-        return createLayout(new Button("Print"), new Button("Download"), new Button("Delete"));
-    }
-
-    private void saveFile(final DocumentType documentType, final Button viewButton) {
-        if (lastUploadedFileName == null) {
-            Notification.show("Please upload a file first.");
-            return;
-        }
-        try {
-            byte[] content = buffer.getInputStream().readAllBytes();
-            documentService.saveDocument(new Document(lastUploadedFileName, documentType, content));
-            Notification.show("File saved successfully.");
-            viewButton.setEnabled(true);
-        } catch (IOException e) {
-            Notification.show("Error saving file: " + e.getMessage());
-        }
-    }
-
-    private boolean documentExists(final DocumentType documentType) {
-        return documentService.getAllDocuments().stream()
-                .anyMatch(doc -> doc.getDocumentType() == documentType);
-    }
-
-    private void viewDocument(final DocumentType documentType) {
-        documentService.getAllDocuments().stream()
-                .filter(doc -> doc.getDocumentType() == documentType)
-                .findFirst()
-                .ifPresentOrElse(this::showPdfDialog, () -> Notification.show("Document not found."));
-    }
-
-    private void showPdfDialog(final Document document) {
-        Dialog dialog = createDialog(document.getFileData());
-        dialog.open();
-    }
-
-    private Dialog createDialog(final byte[] fileData) {
-        Dialog dialog = new Dialog();
-        dialog.setModal(true);
-        dialog.setCloseOnEsc(true);
-        dialog.setCloseOnOutsideClick(true);
-
-        IFrame pdfFrame = new IFrame();
-        pdfFrame.setSrc(createPdfResource(fileData));
-        pdfFrame.setWidth("800px");
-        pdfFrame.setHeight("600px");
-
-        Button closeButton = new Button("Close", event -> dialog.close());
-        VerticalLayout layout = new VerticalLayout(pdfFrame, closeButton);
-        layout.setAlignItems(FlexComponent.Alignment.CENTER);
-
-        dialog.add(layout);
-        return dialog;
-    }
-
-    private String createPdfResource(final byte[] fileData) {
-        return "data:application/pdf;base64," + Base64.getEncoder().encodeToString(fileData);
-    }
-
 }
 

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

@@ -1,26 +1,46 @@
 package com.primefactorsolutions.views;
 
+import com.primefactorsolutions.model.Document;
 import com.primefactorsolutions.model.DocumentType;
 import com.primefactorsolutions.service.DocumentService;
+import com.vaadin.flow.component.Component;
+import com.vaadin.flow.component.button.Button;
+import com.vaadin.flow.component.dialog.Dialog;
+import com.vaadin.flow.component.html.Div;
+import com.vaadin.flow.component.html.H2;
+import com.vaadin.flow.component.html.IFrame;
+import com.vaadin.flow.component.html.Main;
+import com.vaadin.flow.component.notification.Notification;
+import com.vaadin.flow.component.orderedlayout.FlexComponent;
+import com.vaadin.flow.component.orderedlayout.HorizontalLayout;
+import com.vaadin.flow.component.orderedlayout.VerticalLayout;
+import com.vaadin.flow.component.upload.Upload;
+import com.vaadin.flow.component.upload.receivers.MemoryBuffer;
 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.springframework.context.annotation.Scope;
 
+import java.io.IOException;
+import java.util.Base64;
+
 @SpringComponent
 @PermitAll
 @Scope("prototype")
 @PageTitle("GovernmentDocumentsView")
 @Route(value = "/government-documents/me", layout = MainLayout.class)
-public class GovernmentDocumentsView extends DocumentsView  {
+public class GovernmentDocumentsView extends Main {
+    private final DocumentService documentService;
+    private final MemoryBuffer buffer = new MemoryBuffer();
+    private String lastUploadedFileName = null;
 
     public GovernmentDocumentsView(final DocumentService documentService) {
-        super(documentService);
+        this.documentService = documentService;
+        initializeLayout();
     }
 
-    @Override
+    private void initializeLayout() {
-    protected void initializeLayout() {
         add(createRow(
                 "General Labor Law", DocumentType.GENERAL_LABOR_LAW,
                 "Supreme Decrees", DocumentType.SUPREME_DECREE
@@ -36,4 +56,126 @@ public class GovernmentDocumentsView extends DocumentsView  {
                 "Regulatory Framework for Internship Development", DocumentType.INTERNSHIP_RULES
         ));
     }
+
+    private HorizontalLayout createRow(
+            final String title1,
+            final DocumentType type1,
+            final String title2,
+            final DocumentType type2) {
+
+        HorizontalLayout row = new HorizontalLayout();
+        row.add(
+                createDocumentSection(title1, type1),
+                createDocumentSection(title2, type2)
+        );
+        return row;
+    }
+
+    private Div createDocumentSection(final String title, final DocumentType documentType) {
+        Div section = new Div();
+        section.add(new H2(title));
+
+        Upload upload = createUploadComponent();
+        Button viewButton = createViewButton(documentType);
+        Button saveButton = createSaveButton(viewButton, documentType);
+
+        section.add(createLayout(upload),
+                createLayout(viewButton, new Button("Edit"), saveButton),
+                createAdditionalButtons());
+        return section;
+    }
+
+    private Upload createUploadComponent() {
+        Upload upload = new Upload(buffer);
+        upload.setMaxFiles(1);
+        upload.setAcceptedFileTypes(".pdf");
+        upload.addSucceededListener(event -> handleUploadSuccess(event.getFileName()));
+        return upload;
+    }
+
+    private Button createViewButton(final DocumentType documentType) {
+        Button viewButton = new Button("View");
+        viewButton.setEnabled(documentExists(documentType));
+        viewButton.addClickListener(event -> viewDocument(documentType));
+        return viewButton;
+    }
+
+    private Button createSaveButton(final Button viewButton, final DocumentType documentType) {
+        Button saveButton = new Button("Save");
+        saveButton.addClickListener(event -> saveFile(documentType, viewButton));
+        return saveButton;
+    }
+
+    private void handleUploadSuccess(final String fileName) {
+        lastUploadedFileName = fileName;
+        Notification.show("File uploaded successfully");
+    }
+
+    private HorizontalLayout createLayout(final Component... components) {
+        if (components.length != 1 && components.length != 3) {
+            throw new IllegalArgumentException("This method only accepts 1 or 3 components.");
+        }
+        HorizontalLayout layout = new HorizontalLayout(components);
+        layout.setJustifyContentMode(FlexComponent.JustifyContentMode.CENTER);
+        return layout;
+    }
+
+    private HorizontalLayout createAdditionalButtons() {
+        return createLayout(new Button("Print"), new Button("Download"), new Button("Delete"));
+    }
+
+    private void saveFile(final DocumentType documentType, final Button viewButton) {
+        if (lastUploadedFileName == null) {
+            Notification.show("Please upload a file first.");
+            return;
+        }
+        try {
+            byte[] content = buffer.getInputStream().readAllBytes();
+            documentService.saveDocument(new Document(lastUploadedFileName, documentType, content));
+            Notification.show("File saved successfully.");
+            viewButton.setEnabled(true);
+        } catch (IOException e) {
+            Notification.show("Error saving file: " + e.getMessage());
+        }
+    }
+
+    private boolean documentExists(final DocumentType documentType) {
+        return documentService.getAllDocuments().stream()
+                .anyMatch(doc -> doc.getDocumentType() == documentType);
+    }
+
+    private void viewDocument(final DocumentType documentType) {
+        documentService.getAllDocuments().stream()
+                .filter(doc -> doc.getDocumentType() == documentType)
+                .findFirst()
+                .ifPresentOrElse(this::showPdfDialog, () -> Notification.show("Document not found."));
+    }
+
+    private void showPdfDialog(final Document document) {
+        Dialog dialog = createDialog(document.getFileData());
+        dialog.open();
+    }
+
+    private Dialog createDialog(final byte[] fileData) {
+        Dialog dialog = new Dialog();
+        dialog.setModal(true);
+        dialog.setCloseOnEsc(true);
+        dialog.setCloseOnOutsideClick(true);
+
+        IFrame pdfFrame = new IFrame();
+        pdfFrame.setSrc(createPdfResource(fileData));
+        pdfFrame.setWidth("800px");
+        pdfFrame.setHeight("600px");
+
+        Button closeButton = new Button("Close", event -> dialog.close());
+        VerticalLayout layout = new VerticalLayout(pdfFrame, closeButton);
+        layout.setAlignItems(FlexComponent.Alignment.CENTER);
+
+        dialog.add(layout);
+        return dialog;
+    }
+
+    private String createPdfResource(final byte[] fileData) {
+        return "data:application/pdf;base64," + Base64.getEncoder().encodeToString(fileData);
+    }
 }

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

@@ -1,30 +1,178 @@
 package com.primefactorsolutions.views;
 
+import com.primefactorsolutions.model.Document;
 import com.primefactorsolutions.model.DocumentType;
 import com.primefactorsolutions.service.DocumentService;
+import com.vaadin.flow.component.Component;
+import com.vaadin.flow.component.button.Button;
+import com.vaadin.flow.component.dialog.Dialog;
+import com.vaadin.flow.component.html.Div;
+import com.vaadin.flow.component.html.H2;
+import com.vaadin.flow.component.html.IFrame;
+import com.vaadin.flow.component.html.Main;
+import com.vaadin.flow.component.notification.Notification;
+import com.vaadin.flow.component.orderedlayout.FlexComponent;
+import com.vaadin.flow.component.orderedlayout.HorizontalLayout;
+import com.vaadin.flow.component.orderedlayout.VerticalLayout;
+import com.vaadin.flow.component.upload.Upload;
+import com.vaadin.flow.component.upload.receivers.MemoryBuffer;
 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.springframework.context.annotation.Scope;
 
+import java.io.IOException;
+import java.util.Base64;
+
 @SpringComponent
 @PermitAll
 @Scope("prototype")
 @PageTitle("PersonalDocuments")
 @Route(value = "/personal-documents/me", layout = MainLayout.class)
-public class PersonalDocumentsView extends DocumentsView {
+public class PersonalDocumentsView extends Main {
+    private final DocumentService documentService;
+    private final MemoryBuffer buffer = new MemoryBuffer();
+    private String lastUploadedFileName = null;
 
     public PersonalDocumentsView(final DocumentService documentService) {
-        super(documentService);
+        this.documentService = documentService;
+        initializeLayout();
     }
 
-    @Override
+    private void initializeLayout() {
-    protected void initializeLayout() {
         add(createRow("Identity Card", DocumentType.ID_CARD,
                 "Background check certificate", DocumentType.BACKGROUND_CHECK_CERTIFICATE));
         add(createRow("Pre-employment evaluation", DocumentType.PRE_EMPLOYMENT_EVALUATION,
                 "Insurance registration form", DocumentType.INSURANCE_REGISTRATION_FORM));
-        add(createRow("Insurance cancellation form", DocumentType.INSURANCE_CANCELLATION_FORM));
+        add(createRow());
+    }
+
+    private HorizontalLayout createRow(
+            final String title1,
+            final DocumentType type1,
+            final String title2,
+            final DocumentType type2) {
+
+        HorizontalLayout row = new HorizontalLayout();
+        row.add(
+                createDocumentSection(title1, type1),
+                createDocumentSection(title2, type2)
+        );
+        return row;
+    }
+
+    private HorizontalLayout createRow() {
+        HorizontalLayout row = new HorizontalLayout();
+        row.add(createDocumentSection("Insurance cancellation form", DocumentType.INSURANCE_CANCELLATION_FORM));
+        return row;
+    }
+
+    private Div createDocumentSection(final String title, final DocumentType documentType) {
+        Div section = new Div();
+        section.add(new H2(title));
+
+        Upload upload = createUploadComponent();
+        Button viewButton = createViewButton(documentType);
+        Button saveButton = createSaveButton(viewButton, documentType);
+
+        section.add(createLayout(upload),
+                createLayout(viewButton, new Button("Edit"), saveButton),
+                createAdditionalButtons());
+        return section;
+    }
+
+    private Upload createUploadComponent() {
+        Upload upload = new Upload(buffer);
+        upload.setMaxFiles(1);
+        upload.setAcceptedFileTypes(".pdf");
+        upload.addSucceededListener(event -> handleUploadSuccess(event.getFileName()));
+        return upload;
+    }
+
+    private Button createViewButton(final DocumentType documentType) {
+        Button viewButton = new Button("View");
+        viewButton.setEnabled(documentExists(documentType));
+        viewButton.addClickListener(event -> viewDocument(documentType));
+        return viewButton;
+    }
+
+    private Button createSaveButton(final Button viewButton, final DocumentType documentType) {
+        Button saveButton = new Button("Save");
+        saveButton.addClickListener(event -> saveFile(documentType, viewButton));
+        return saveButton;
+    }
+
+    private void handleUploadSuccess(final String fileName) {
+        lastUploadedFileName = fileName;
+        Notification.show("File uploaded successfully");
+    }
+
+    private HorizontalLayout createLayout(final Component... components) {
+        if (components.length != 1 && components.length != 3) {
+            throw new IllegalArgumentException("This method only accepts 1 or 3 components.");
+        }
+        HorizontalLayout layout = new HorizontalLayout(components);
+        layout.setJustifyContentMode(FlexComponent.JustifyContentMode.CENTER);
+        return layout;
+    }
+
+    private HorizontalLayout createAdditionalButtons() {
+        return createLayout(new Button("Print"), new Button("Download"), new Button("Delete"));
+    }
+
+    private void saveFile(final DocumentType documentType, final Button viewButton) {
+        if (lastUploadedFileName == null) {
+            Notification.show("Please upload a file first.");
+            return;
+        }
+        try {
+            byte[] content = buffer.getInputStream().readAllBytes();
+            documentService.saveDocument(new Document(lastUploadedFileName, documentType, content));
+            Notification.show("File saved successfully.");
+            viewButton.setEnabled(true);
+        } catch (IOException e) {
+            Notification.show("Error saving file: " + e.getMessage());
+        }
+    }
+
+    private boolean documentExists(final DocumentType documentType) {
+        return documentService.getAllDocuments().stream()
+                .anyMatch(doc -> doc.getDocumentType() == documentType);
+    }
+
+    private void viewDocument(final DocumentType documentType) {
+        documentService.getAllDocuments().stream()
+                .filter(doc -> doc.getDocumentType() == documentType)
+                .findFirst()
+                .ifPresentOrElse(this::showPdfDialog, () -> Notification.show("Document not found."));
+    }
+
+    private void showPdfDialog(final Document document) {
+        Dialog dialog = createDialog(document.getFileData());
+        dialog.open();
+    }
+
+    private Dialog createDialog(final byte[] fileData) {
+        Dialog dialog = new Dialog();
+        dialog.setModal(true);
+        dialog.setCloseOnEsc(true);
+        dialog.setCloseOnOutsideClick(true);
+
+        IFrame pdfFrame = new IFrame();
+        pdfFrame.setSrc(createPdfResource(fileData));
+        pdfFrame.setWidth("800px");
+        pdfFrame.setHeight("600px");
+
+        Button closeButton = new Button("Close", event -> dialog.close());
+        VerticalLayout layout = new VerticalLayout(pdfFrame, closeButton);
+        layout.setAlignItems(FlexComponent.Alignment.CENTER);
+
+        dialog.add(layout);
+        return dialog;
+    }
+
+    private String createPdfResource(final byte[] fileData) {
+        return "data:application/pdf;base64," + Base64.getEncoder().encodeToString(fileData);
     }
 }

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

@@ -1,26 +1,46 @@
 package com.primefactorsolutions.views;
 
+import com.primefactorsolutions.model.Document;
 import com.primefactorsolutions.model.DocumentType;
 import com.primefactorsolutions.service.DocumentService;
+import com.vaadin.flow.component.Component;
+import com.vaadin.flow.component.button.Button;
+import com.vaadin.flow.component.dialog.Dialog;
+import com.vaadin.flow.component.html.Div;
+import com.vaadin.flow.component.html.H2;
+import com.vaadin.flow.component.html.IFrame;
+import com.vaadin.flow.component.html.Main;
+import com.vaadin.flow.component.notification.Notification;
+import com.vaadin.flow.component.orderedlayout.FlexComponent;
+import com.vaadin.flow.component.orderedlayout.HorizontalLayout;
+import com.vaadin.flow.component.orderedlayout.VerticalLayout;
+import com.vaadin.flow.component.upload.Upload;
+import com.vaadin.flow.component.upload.receivers.MemoryBuffer;
 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.springframework.context.annotation.Scope;
 
+import java.io.IOException;
+import java.util.Base64;
+
 @SpringComponent
 @PermitAll
 @Scope("prototype")
 @PageTitle("ProfessionalDocuments")
 @Route(value = "/professional-documents/me", layout = MainLayout.class)
-public class ProfessionalDocumentsView extends DocumentsView {
+public class ProfessionalDocumentsView extends Main {
+    private final DocumentService documentService;
+    private final MemoryBuffer buffer = new MemoryBuffer();
+    private String lastUploadedFileName = null;
 
     public ProfessionalDocumentsView(final DocumentService documentService) {
-        super(documentService);
+        this.documentService = documentService;
+        initializeLayout();
     }
 
-    @Override
+    private void initializeLayout() {
-    protected void initializeLayout() {
         add(createRow("Professional Degree 1", DocumentType.PROFESSIONAL_DEGREE_1,
                 "Professional Certificate 1", DocumentType.PROFESSIONAL_CERTIFICATE_1));
         add(createRow("Professional Degree 2", DocumentType.PROFESSIONAL_DEGREE_2,
@@ -28,4 +48,126 @@ public class ProfessionalDocumentsView extends DocumentsView {
         add(createRow("Professional Degree 3", DocumentType.PROFESSIONAL_DEGREE_3,
                 "Professional Certificate 3", DocumentType.PROFESSIONAL_CERTIFICATE_3));
     }
+
+    private HorizontalLayout createRow(
+            final String title1,
+            final DocumentType type1,
+            final String title2,
+            final DocumentType type2) {
+
+        HorizontalLayout row = new HorizontalLayout();
+        row.add(
+                createDocumentSection(title1, type1),
+                createDocumentSection(title2, type2)
+        );
+        return row;
+    }
+
+    private Div createDocumentSection(final String title, final DocumentType documentType) {
+        Div section = new Div();
+        section.add(new H2(title));
+
+        Upload upload = createUploadComponent();
+        Button viewButton = createViewButton(documentType);
+        Button saveButton = createSaveButton(viewButton, documentType);
+
+        section.add(createLayout(upload),
+                createLayout(viewButton, new Button("Edit"), saveButton),
+                createAdditionalButtons());
+        return section;
+    }
+
+    private Upload createUploadComponent() {
+        Upload upload = new Upload(buffer);
+        upload.setMaxFiles(1);
+        upload.setAcceptedFileTypes(".pdf");
+        upload.addSucceededListener(event -> handleUploadSuccess(event.getFileName()));
+        return upload;
+    }
+
+    private Button createViewButton(final DocumentType documentType) {
+        Button viewButton = new Button("View");
+        viewButton.setEnabled(documentExists(documentType));
+        viewButton.addClickListener(event -> viewDocument(documentType));
+        return viewButton;
+    }
+
+    private Button createSaveButton(final Button viewButton, final DocumentType documentType) {
+        Button saveButton = new Button("Save");
+        saveButton.addClickListener(event -> saveFile(documentType, viewButton));
+        return saveButton;
+    }
+
+    private void handleUploadSuccess(final String fileName) {
+        lastUploadedFileName = fileName;
+        Notification.show("File uploaded successfully");
+    }
+
+    private HorizontalLayout createLayout(final Component... components) {
+        if (components.length != 1 && components.length != 3) {
+            throw new IllegalArgumentException("This method only accepts 1 or 3 components.");
+        }
+        HorizontalLayout layout = new HorizontalLayout(components);
+        layout.setJustifyContentMode(FlexComponent.JustifyContentMode.CENTER);
+        return layout;
+    }
+
+    private HorizontalLayout createAdditionalButtons() {
+        return createLayout(new Button("Print"), new Button("Download"), new Button("Delete"));
+    }
+
+    private void saveFile(final DocumentType documentType, final Button viewButton) {
+        if (lastUploadedFileName == null) {
+            Notification.show("Please upload a file first.");
+            return;
+        }
+        try {
+            byte[] content = buffer.getInputStream().readAllBytes();
+            documentService.saveDocument(new Document(lastUploadedFileName, documentType, content));
+            Notification.show("File saved successfully.");
+            viewButton.setEnabled(true);
+        } catch (IOException e) {
+            Notification.show("Error saving file: " + e.getMessage());
+        }
+    }
+
+    private boolean documentExists(final DocumentType documentType) {
+        return documentService.getAllDocuments().stream()
+                .anyMatch(doc -> doc.getDocumentType() == documentType);
+    }
+
+    private void viewDocument(final DocumentType documentType) {
+        documentService.getAllDocuments().stream()
+                .filter(doc -> doc.getDocumentType() == documentType)
+                .findFirst()
+                .ifPresentOrElse(this::showPdfDialog, () -> Notification.show("Document not found."));
+    }
+
+    private void showPdfDialog(final Document document) {
+        Dialog dialog = createDialog(document.getFileData());
+        dialog.open();
+    }
+
+    private Dialog createDialog(final byte[] fileData) {
+        Dialog dialog = new Dialog();
+        dialog.setModal(true);
+        dialog.setCloseOnEsc(true);
+        dialog.setCloseOnOutsideClick(true);
+
+        IFrame pdfFrame = new IFrame();
+        pdfFrame.setSrc(createPdfResource(fileData));
+        pdfFrame.setWidth("800px");
+        pdfFrame.setHeight("600px");
+
+        Button closeButton = new Button("Close", event -> dialog.close());
+        VerticalLayout layout = new VerticalLayout(pdfFrame, closeButton);
+        layout.setAlignItems(FlexComponent.Alignment.CENTER);
+
+        dialog.add(layout);
+        return dialog;
+    }
+
+    private String createPdfResource(final byte[] fileData) {
+        return "data:application/pdf;base64," + Base64.getEncoder().encodeToString(fileData);
+    }
 }

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

@@ -1,26 +1,46 @@
 package com.primefactorsolutions.views;
 
+import com.primefactorsolutions.model.Document;
 import com.primefactorsolutions.model.DocumentType;
 import com.primefactorsolutions.service.DocumentService;
+import com.vaadin.flow.component.Component;
+import com.vaadin.flow.component.button.Button;
+import com.vaadin.flow.component.dialog.Dialog;
+import com.vaadin.flow.component.html.Div;
+import com.vaadin.flow.component.html.H2;
+import com.vaadin.flow.component.html.IFrame;
+import com.vaadin.flow.component.html.Main;
+import com.vaadin.flow.component.notification.Notification;
+import com.vaadin.flow.component.orderedlayout.FlexComponent;
+import com.vaadin.flow.component.orderedlayout.HorizontalLayout;
+import com.vaadin.flow.component.orderedlayout.VerticalLayout;
+import com.vaadin.flow.component.upload.Upload;
+import com.vaadin.flow.component.upload.receivers.MemoryBuffer;
 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.springframework.context.annotation.Scope;
 
+import java.io.IOException;
+import java.util.Base64;
+
 @SpringComponent
 @PermitAll
 @Scope("prototype")
 @PageTitle("WorkDocuments")
 @Route(value = "/work-documents/me", layout = MainLayout.class)
-public class WorkDocumentsView extends DocumentsView {
+public class WorkDocumentsView extends Main {
+    private final DocumentService documentService;
+    private final MemoryBuffer buffer = new MemoryBuffer();
+    private String lastUploadedFileName = null;
 
     public WorkDocumentsView(final DocumentService documentService) {
-        super(documentService);
+        this.documentService = documentService;
+        initializeLayout();
     }
 
-    @Override
+    private void initializeLayout() {
-    protected void initializeLayout() {
         add(createRow("PaySlips", DocumentType.PAY_SLIPS,
                 "Employment Contract", DocumentType.EMPLOYMENT_CONTRACT));
         add(createRow("Work Certificates", DocumentType.WORK_CERTIFICATES,
@@ -28,4 +48,126 @@ public class WorkDocumentsView extends DocumentsView {
         add(createRow("Memorandums", DocumentType.MEMORANDUMS,
                 "Contract Approval MTEPS", DocumentType.CONTRACT_APPROVAL_MTEPS));
     }
+
+    private HorizontalLayout createRow(
+            final String title1,
+            final DocumentType type1,
+            final String title2,
+            final DocumentType type2) {
+
+        HorizontalLayout row = new HorizontalLayout();
+        row.add(
+                createDocumentSection(title1, type1),
+                createDocumentSection(title2, type2)
+        );
+        return row;
+    }
+
+    private Div createDocumentSection(final String title, final DocumentType documentType) {
+        Div section = new Div();
+        section.add(new H2(title));
+
+        Upload upload = createUploadComponent();
+        Button viewButton = createViewButton(documentType);
+        Button saveButton = createSaveButton(viewButton, documentType);
+
+        section.add(createLayout(upload),
+                createLayout(viewButton, new Button("Edit"), saveButton),
+                createAdditionalButtons());
+        return section;
+    }
+
+    private Upload createUploadComponent() {
+        Upload upload = new Upload(buffer);
+        upload.setMaxFiles(1);
+        upload.setAcceptedFileTypes(".pdf");
+        upload.addSucceededListener(event -> handleUploadSuccess(event.getFileName()));
+        return upload;
+    }
+
+    private Button createViewButton(final DocumentType documentType) {
+        Button viewButton = new Button("View");
+        viewButton.setEnabled(documentExists(documentType));
+        viewButton.addClickListener(event -> viewDocument(documentType));
+        return viewButton;
+    }
+
+    private Button createSaveButton(final Button viewButton, final DocumentType documentType) {
+        Button saveButton = new Button("Save");
+        saveButton.addClickListener(event -> saveFile(documentType, viewButton));
+        return saveButton;
+    }
+
+    private void handleUploadSuccess(final String fileName) {
+        lastUploadedFileName = fileName;
+        Notification.show("File uploaded successfully");
+    }
+
+    private HorizontalLayout createLayout(final Component... components) {
+        if (components.length != 1 && components.length != 3) {
+            throw new IllegalArgumentException("This method only accepts 1 or 3 components.");
+        }
+        HorizontalLayout layout = new HorizontalLayout(components);
+        layout.setJustifyContentMode(FlexComponent.JustifyContentMode.CENTER);
+        return layout;
+    }
+
+    private HorizontalLayout createAdditionalButtons() {
+        return createLayout(new Button("Print"), new Button("Download"), new Button("Delete"));
+    }
+
+    private void saveFile(final DocumentType documentType, final Button viewButton) {
+        if (lastUploadedFileName == null) {
+            Notification.show("Please upload a file first.");
+            return;
+        }
+        try {
+            byte[] content = buffer.getInputStream().readAllBytes();
+            documentService.saveDocument(new Document(lastUploadedFileName, documentType, content));
+            Notification.show("File saved successfully.");
+            viewButton.setEnabled(true);
+        } catch (IOException e) {
+            Notification.show("Error saving file: " + e.getMessage());
+        }
+    }
+
+    private boolean documentExists(final DocumentType documentType) {
+        return documentService.getAllDocuments().stream()
+                .anyMatch(doc -> doc.getDocumentType() == documentType);
+    }
+
+    private void viewDocument(final DocumentType documentType) {
+        documentService.getAllDocuments().stream()
+                .filter(doc -> doc.getDocumentType() == documentType)
+                .findFirst()
+                .ifPresentOrElse(this::showPdfDialog, () -> Notification.show("Document not found."));
+    }
+
+    private void showPdfDialog(final Document document) {
+        Dialog dialog = createDialog(document.getFileData());
+        dialog.open();
+    }
+
+    private Dialog createDialog(final byte[] fileData) {
+        Dialog dialog = new Dialog();
+        dialog.setModal(true);
+        dialog.setCloseOnEsc(true);
+        dialog.setCloseOnOutsideClick(true);
+
+        IFrame pdfFrame = new IFrame();
+        pdfFrame.setSrc(createPdfResource(fileData));
+        pdfFrame.setWidth("800px");
+        pdfFrame.setHeight("600px");
+
+        Button closeButton = new Button("Close", event -> dialog.close());
+        VerticalLayout layout = new VerticalLayout(pdfFrame, closeButton);
+        layout.setAlignItems(FlexComponent.Alignment.CENTER);
+
+        dialog.add(layout);
+        return dialog;
+    }
+
+    private String createPdfResource(final byte[] fileData) {
+        return "data:application/pdf;base64," + Base64.getEncoder().encodeToString(fileData);
+    }
 }