diff --git a/src/main/java/com/primefactorsolutions/model/DocumentType.java b/src/main/java/com/primefactorsolutions/model/DocumentType.java index e8f64d9..ac1a994 100644 --- a/src/main/java/com/primefactorsolutions/model/DocumentType.java +++ b/src/main/java/com/primefactorsolutions/model/DocumentType.java @@ -19,5 +19,11 @@ public enum DocumentType { PROFESSIONAL_CERTIFICATE_2, PROFESSIONAL_DEGREE_3, PROFESSIONAL_CERTIFICATE_3, + GENERAL_LABOR_REGULATIONS, + REMOTE_WORK_GUIDELINES, + SAFETY_REGULATIONS, + HUMAN_RESOURCES_GUIDELINES, + ADMINISTRATION_FUNCTIONS_MANUAL, + ENGINEERING_FUNCTIONS_MANUAL, OTHER } diff --git a/src/main/java/com/primefactorsolutions/views/CorporateDocumentsView.java b/src/main/java/com/primefactorsolutions/views/CorporateDocumentsView.java index 7806438..c1e5c56 100644 --- a/src/main/java/com/primefactorsolutions/views/CorporateDocumentsView.java +++ b/src/main/java/com/primefactorsolutions/views/CorporateDocumentsView.java @@ -1,16 +1,173 @@ 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 Main { + private final DocumentService documentService; + private final MemoryBuffer buffer = new MemoryBuffer(); + private String lastUploadedFileName = null; + + public CorporateDocumentsView(final DocumentService documentService) { + this.documentService = documentService; + initializeLayout(); + } + + private 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, + "Human Resources Guidelines", DocumentType.HUMAN_RESOURCES_GUIDELINES)); + 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); + } }