D-Net

package eu.dnetlib.repo.manager.client.monitor;

import com.google.gwt.core.client.GWT;

import com.google.gwt.dom.client.Document;

import com.google.gwt.user.client.Window;

import com.google.gwt.user.client.rpc.AsyncCallback;

import com.google.gwt.user.client.ui.FlowPanel;

import com.google.gwt.user.client.ui.HTML;

import eu.dnetlib.domain.data.Repository;

import eu.dnetlib.gwt.client.help.HelpService;

import eu.dnetlib.gwt.client.help.HelpServiceAsync;

import eu.dnetlib.repo.manager.client.AbstractRepositoryManagerWidget;

import eu.dnetlib.repo.manager.client.HelpCallback;

import eu.dnetlib.repo.manager.client.RepositoryManagerWidget;

import eu.dnetlib.repo.manager.client.services.RepositoryService;

import eu.dnetlib.repo.manager.client.services.RepositoryServiceAsync;

import eu.dnetlib.repo.manager.shared.Aggregations;

import org.gwtbootstrap3.client.ui.Alert;

import org.gwtbootstrap3.client.ui.constants.AlertType;

/**

 * Created by stefania on 1/16/18.

 */

public class CollectionMonitorWidget extends AbstractRepositoryManagerWidget implements RepositoryManagerWidget {

    private String parentToken = "";

    private String restToken = "";

    private Alert errorAlert = new Alert();

    private HTML title = new HTML();

    private FlowPanel monitorContent = new FlowPanel();

    private static HelpServiceAsync helpService = GWT.create(HelpService.class);

    private RepositoryServiceAsync repositoryService = GWT.create(RepositoryService.class);

    public CollectionMonitorWidget() {

        super();

        title.addStyleName("uk-margin-medium-bottom");

        contentPanel.add(title);

        errorAlert.setType(AlertType.DANGER);

        errorAlert.setDismissable(false);

        errorAlert.setVisible(false);

        contentPanel.add(errorAlert);

        contentPanel.add(monitorContent);

    }

    @Override

    public void clear() {

        monitorContent.clear();

        errorAlert.setVisible(false);

        gridPanel.remove(helpPanel);

    }

    @Override

    public void reload() {

        errorAlert.setVisible(false);

        Document.get().getElementById("headerNoTransparent").removeClassName("tm-header-transparent");

        helpService.getHelpById(parentToken, new HelpCallback(helpPanel, gridPanel));

        final HTML loadingWheel = new HTML("<div class=\"loader-big\" style=\"text-align: center; padding-top: 170px; " +

                "color: rgb(47, 64, 80); font-weight: bold;\">Retrieving repository info...</div>" +

                "<div class=\"whiteFilm\"></div>");

        monitorContent.addStyleName("loading-big");

        monitorContent.add(loadingWheel);

        repositoryService.getRepository(restToken, new AsyncCallback<Repository>() {

            @Override

            public void onFailure(Throwable throwable) {

                monitorContent.removeStyleName("loading-big");

                monitorContent.remove(loadingWheel);

                Alert errorAlert = new Alert();

                errorAlert.setType(AlertType.DANGER);

                errorAlert.setText("System error retrieving repository info.");

                errorAlert.setDismissable(false);

                monitorContent.add(errorAlert);

            }

            @Override

            public void onSuccess(Repository repository) {

                title.setHTML("<h1 class=\"uk-article-title\">Aggregation history for " + repository.getOfficialName() + "</h1>");

                repositoryService.getRepositoryAggregations(restToken, new AsyncCallback<Aggregations>() {

                    @Override

                    public void onFailure(Throwable throwable) {

                        monitorContent.removeStyleName("loading-big");

                        monitorContent.remove(loadingWheel);

                        Alert errorAlert = new Alert();

                        errorAlert.setType(AlertType.DANGER);

                        errorAlert.setText("System error retrieving repository aggregation history.");

                        errorAlert.setDismissable(false);

                        monitorContent.add(errorAlert);

                    }

                    @Override

                    public void onSuccess(Aggregations aggregations) {

                        monitorContent.removeStyleName("loading-big");

                        monitorContent.remove(loadingWheel);

                        if(aggregations==null || aggregations.getAggregationHistory()==null

                                || aggregations.getAggregationHistory().isEmpty()) {

                            HTML message = new HTML("<div>There is no aggregation history for this repository at the moment</div>");

                            monitorContent.add(message);

                        } else {

                            AggregationHistoryTimeline aggregationHistoryTimeline = new AggregationHistoryTimeline(aggregations.getAggregationHistory());

                            monitorContent.add(aggregationHistoryTimeline.asWidget());

                        }

                    }

                });

            }

        });

    }

    @Override

    public void setToken(String parentToken, String rest) {

        this.parentToken = parentToken;

        this.restToken = rest;

    }

    @Override

    public void afterAdditionToRootPanel() {

    }

}