org.ikasan.dashboard.ui.administration.view.SystemEventSearchView Maven / Gradle / Ivy
package org.ikasan.dashboard.ui.administration.view;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.vaadin.flow.component.ComponentEventListener;
import com.vaadin.flow.component.UI;
import com.vaadin.flow.component.grid.HeaderRow;
import com.vaadin.flow.component.grid.ItemDoubleClickEvent;
import com.vaadin.flow.component.html.Image;
import com.vaadin.flow.component.html.Label;
import com.vaadin.flow.component.orderedlayout.HorizontalLayout;
import com.vaadin.flow.component.orderedlayout.VerticalLayout;
import com.vaadin.flow.data.provider.Query;
import com.vaadin.flow.data.renderer.ComponentRenderer;
import com.vaadin.flow.data.renderer.TemplateRenderer;
import org.atmosphere.interceptor.AtmosphereResourceStateRecovery;
import org.ikasan.dashboard.ui.administration.component.SystemEventDialog;
import org.ikasan.dashboard.ui.administration.component.SystemEventFilteringGrid;
import org.ikasan.dashboard.ui.administration.component.SystemEventSearchForm;
import org.ikasan.dashboard.ui.administration.util.SystemEventFormatter;
import org.ikasan.dashboard.ui.general.component.LazyDownloadButton;
import org.ikasan.dashboard.ui.general.component.NotificationHelper;
import org.ikasan.dashboard.ui.search.listener.SearchListener;
import org.ikasan.dashboard.ui.util.*;
import org.ikasan.solr.model.IkasanSolrDocument;
import org.ikasan.spec.systemevent.SystemEvent;
import org.ikasan.spec.systemevent.SystemEventSearchFilter;
import org.ikasan.spec.systemevent.SystemEventSearchService;
import org.ikasan.systemevent.model.SolrSystemEvent;
import org.ikasan.systemevent.model.SolrSystemEventSearchFilter;
import org.ikasan.systemevent.model.SystemEventImpl;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.ByteArrayInputStream;
import java.time.ZoneId;
import java.util.Collections;
import java.util.List;
import java.util.Optional;
import java.util.stream.Collectors;
public class SystemEventSearchView extends VerticalLayout implements SearchListener
{
private Logger logger = LoggerFactory.getLogger(SystemEventSearchView.class);
private SystemEventSearchService systemEventSearchService;
private SystemEventFilteringGrid searchResultsGrid;
private SystemEventSearchFilter searchFilter = new SolrSystemEventSearchFilter();
private SystemEventSearchForm searchForm;
private Label resultsLabel = new Label();
private DateFormatter dateFormatter;
private LazyDownloadButton csvExportButton;
private int maxDownloadBytes;
private UI ui;
/**
* Constructor
*/
public SystemEventSearchView(SystemEventSearchService systemEventSearchService,
DateFormatter dateFormatter, int maxDownloadBytes)
{
super();
this.systemEventSearchService = systemEventSearchService;
if(this.systemEventSearchService == null)
{
throw new IllegalArgumentException("systemEventSearchService cannot be null!");
}
this.dateFormatter = dateFormatter;
if(this.dateFormatter == null)
{
throw new IllegalArgumentException("dateFormatter cannot be null!");
}
this.maxDownloadBytes = maxDownloadBytes;
this.ui = UI.getCurrent();
}
protected void init()
{
this.setSizeFull();
this.setSpacing(false);
this.setPadding(false);
this.setMargin(false);
this.setId("identifier");
this.getElement().getThemeList().remove("padding");
this.getElement().getThemeList().remove("spacing");
resultsLabel.setVisible(false);
this.createSearchForm();
this.searchResultsGrid = new SystemEventFilteringGrid(this.systemEventSearchService, this.searchFilter, this.resultsLabel);
ObjectMapper objectMapper = new ObjectMapper();
this.searchResultsGrid.addColumn(new ComponentRenderer<>(ikasanSolrDocument ->
{
HorizontalLayout horizontalLayout = new HorizontalLayout();
horizontalLayout.setWidth("100%");
horizontalLayout.setJustifyContentMode(JustifyContentMode.START);
if(ikasanSolrDocument.getActor() != null && ! ikasanSolrDocument.getActor().isEmpty()) {
horizontalLayout.add(ikasanSolrDocument.getActor());
}
else {
try {
horizontalLayout.add(objectMapper.readValue(((SolrSystemEvent)ikasanSolrDocument).getPayload()
, SystemEventImpl.class).getActor());
} catch (JsonProcessingException e) {
// Not much we can do if the event is not valid json.
}
}
return horizontalLayout;
})).setFlexGrow(2)
.setHeader(getTranslation("text-field.action-performed-by", UI.getCurrent().getLocale()))
.setKey("actor")
.setResizable(true);
this.searchResultsGrid.addColumn(new ComponentRenderer<>(ikasanSolrDocument ->
{
HorizontalLayout horizontalLayout = new HorizontalLayout();
horizontalLayout.setWidth("100%");
horizontalLayout.setJustifyContentMode(JustifyContentMode.START);
if(ikasanSolrDocument.getSubject() != null && ! ikasanSolrDocument.getSubject().isEmpty()) {
horizontalLayout.add(ikasanSolrDocument.getSubject());
}
else {
try {
horizontalLayout.add(objectMapper.readValue(((SolrSystemEvent)ikasanSolrDocument).getPayload()
, SystemEventImpl.class).getSubject());
} catch (JsonProcessingException e) {
// Not much we can do if the event is not valid json.
}
}
return horizontalLayout;
})).setFlexGrow(4).setKey("context")
.setHeader(getTranslation("text-field.system-event-context", UI.getCurrent().getLocale()))
.setResizable(true);
this.searchResultsGrid.addColumn(new ComponentRenderer<>(ikasanSolrDocument ->
{
HorizontalLayout horizontalLayout = new HorizontalLayout();
horizontalLayout.setWidth("100%");
horizontalLayout.setJustifyContentMode(JustifyContentMode.START);
if(ikasanSolrDocument.getAction() != null && ! ikasanSolrDocument.getAction().isEmpty()) {
horizontalLayout.add(ikasanSolrDocument.getAction());
}
else {
try {
horizontalLayout.add(objectMapper.readValue(((SolrSystemEvent)ikasanSolrDocument).getPayload()
, SystemEventImpl.class).getAction());
} catch (JsonProcessingException e) {
// Not much we can do if the event is not valid json.
}
}
return horizontalLayout;
})).setFlexGrow(12)
.setHeader(getTranslation("header.system-event", UI.getCurrent().getLocale()))
.setKey("action")
.setResizable(true);
this.searchResultsGrid.addColumn(TemplateRenderer.of(
"[[item.date]]")
.withProperty("date",
ikasanSolrDocument -> this.dateFormatter.getFormattedDate(((SolrSystemEvent)ikasanSolrDocument).getTimestampLong())))
.setHeader(getTranslation("table-header.timestamp", UI.getCurrent().getLocale()))
.setSortable(true)
.setKey("timestamp")
.setFlexGrow(4)
.setResizable(true);
HeaderRow hr = searchResultsGrid.appendHeaderRow();
this.searchResultsGrid.addGridFiltering(hr, value -> searchFilter.setActor(value), "actor");
this.searchResultsGrid.addSelectGridFiltering(hr, value -> searchFilter.setSubject(value), SystemEventConstants.getSystemEventConstants(), "context");
this.searchResultsGrid.addGridFiltering(hr, value -> searchFilter.setAction(value), "action");
this.searchResultsGrid.setVisible(true);
this.searchResultsGrid.setWidthFull();
this.searchResultsGrid.setHeight("100%");
this.searchResultsGrid.addItemDoubleClickListener((ComponentEventListener>)
ikasanSolrDocumentItemDoubleClickEvent -> {
SystemEventDialog systemEventDialog = new SystemEventDialog(this.dateFormatter);
systemEventDialog.populate(ikasanSolrDocumentItemDoubleClickEvent.getItem());
});
this.createCsvDownloadButton();
HorizontalLayout resultsLayout = new HorizontalLayout();
resultsLayout.setWidthFull();
resultsLayout.setHeight("35px");
resultsLayout.add(resultsLabel, this.csvExportButton);
this.csvExportButton.getElement().getStyle().set("position", "absolute");
this.csvExportButton.getElement().getStyle().set("right", "30px");
add(searchForm, resultsLayout, this.searchResultsGrid);
}
private void createCsvDownloadButton() {
Image excelImage = new Image("/frontend/images/excel.png", "");
excelImage.setHeight("25px");
Optional optionalUI = UI.getCurrent().getUI();
this.csvExportButton = new LazyDownloadButton(excelImage,
() -> "system-events-results-"+System.currentTimeMillis()+".csv",
() -> {
try {
ZoneId zoneId;
if(ui != null && ui.getSession().getAttribute(SessionAttributeConstants.TIMEZONE_ID) != null) {
zoneId = ZoneId.of((String) ui.getSession().getAttribute(SessionAttributeConstants.TIMEZONE_ID));
}
else {
zoneId = ZoneId.of("UTC");
}
IkasanSystemEventDocumentToCsvConverter csvConverter
= new IkasanSystemEventDocumentToCsvConverter(zoneId);
for (int i = 0; i < searchResultsGrid.getResultSize(); i += 100) {
List docs = (List) searchResultsGrid.getDataProvider().fetch
(new Query<>(i, 100, Collections.EMPTY_LIST, null, null)).collect(Collectors.toList());
for (SystemEvent document : docs) {
csvConverter.addDocument(document);
}
if (csvConverter.getCvsContents().getBytes().length > this.maxDownloadBytes) {
optionalUI.ifPresent(ui -> {
if (ui.isAttached()) {
ui.access(() ->
NotificationHelper.showUserNotification(String.format(getTranslation("notification.download-size-exceeded"
, UI.getCurrent().getLocale()), this.maxDownloadBytes))
);
}
});
break;
}
}
return new ByteArrayInputStream(csvConverter.getCvsContents().getBytes());
}
catch (JsonProcessingException jsonProcessingException) {
}
return new ByteArrayInputStream(new byte[0]);
}
);
csvExportButton.getElement().setAttribute("title"
, getTranslation("tooltip.export-to-csv", UI.getCurrent().getLocale()));
csvExportButton.setHeight("35px");
csvExportButton.setWidth("30px");
csvExportButton.setDisableOnClick(true);
csvExportButton.addClickListener(event -> {
if(this.searchResultsGrid.getResultSize() == 0) {
NotificationHelper.showUserNotification(getTranslation("notification.no-records-to-download"
, UI.getCurrent().getLocale()));
csvExportButton.reset();
csvExportButton.setEnabled(true);
}
else {
NotificationHelper.showUserNotification(getTranslation("notification.preparing-download"
, UI.getCurrent().getLocale()));
}
});
csvExportButton.addDownloadStartsListener(event -> {
event.getSource().setEnabled(true);
csvExportButton.reset();
});
}
/**
* Create the search form that appears at the top of the screen.
*/
protected void createSearchForm()
{
this.searchForm = new SystemEventSearchForm();
this.searchForm.addSearchListener(this);
}
@Override
public void search(String searchTerm, List entityTypes, boolean negateQuery, long startDate, long endDate) {
this.searchResultsGrid.init(startDate, endDate, searchTerm, List.of("systemEvent"), false, this.searchFilter);
this.resultsLabel.setVisible(true);
}
}
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