src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/client/CkanContentModeratorCheckConfig.java

@@ -0,0 +1,162 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.client;
+
+import com.google.gwt.core.client.GWT;
+import com.google.gwt.user.client.Command;
+import com.google.gwt.user.client.Timer;
+import com.google.gwt.user.client.rpc.AsyncCallback;
+
+/**
+ * The Class CkanContentModeratorCheckConfig.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Feb 22, 2022
+ */
+public class CkanContentModeratorCheckConfig {
+
+	private int configurationLoaded = 0;
+	private static final int CONFIGURATION_EXPECTED = 2;
+	private int MAX_RETRY_ON_LOADING_CONFIG = 20;
+	private int attemptLC = 0;
+	private Boolean contentModerationEnabled = null;
+	private Boolean moderatorRoleAssigned = null;
+
+	/**
+	 * Instantiates a new ckan content moderator check config.
+	 */
+	public CkanContentModeratorCheckConfig() {
+
+	}
+
+	/**
+	 * Check configs.
+	 *
+	 * @param whenDone the when done
+	 * @throws Exception the exception
+	 */
+	public void checkConfigs(final Command whenDone) throws Exception {
+
+		configurationLoaded = 0;
+		attemptLC = 0;
+
+		CkanContentModeratorWidgetController.contentModeratorService
+				.isContentModeratorEnabled(new AsyncCallback<Boolean>() {
+
+					@Override
+					public void onFailure(Throwable caught) {
+						contentModerationEnabled = false;
+						incrementConfigurationLoaded();
+
+					}
+
+					@Override
+					public void onSuccess(Boolean result) {
+						incrementConfigurationLoaded();
+						GWT.log("isContentModeratorEnabled: "+result);
+						contentModerationEnabled = result;
+					}
+				});
+
+		CkanContentModeratorWidgetController.contentModeratorService
+				.isModeratorRoleAssigned(new AsyncCallback<Boolean>() {
+
+					@Override
+					public void onFailure(Throwable caught) {
+						moderatorRoleAssigned = false;
+						incrementConfigurationLoaded();
+
+					}
+
+					@Override
+					public void onSuccess(Boolean result) {
+						incrementConfigurationLoaded();
+						GWT.log("isModeratorRoleAssigned: "+result);
+						moderatorRoleAssigned = result;
+
+					}
+				});
+
+		if (whenDone != null) {
+
+			final Timer timer = new Timer() {
+
+				@Override
+				public void run() {
+					attemptLC++;
+					GWT.log("checking configuration loaded, attempt "+attemptLC+" of "+MAX_RETRY_ON_LOADING_CONFIG);
+					boolean configsLoaded = getConfigurationLoaded() == CONFIGURATION_EXPECTED;
+					GWT.log("configsLoaded: "+configsLoaded);
+					if (configsLoaded) {
+						GWT.log("ContentModeratorCheckConfig loaded correclty");
+						whenDone.execute();
+						this.cancel();
+					}
+
+					if (attemptLC > MAX_RETRY_ON_LOADING_CONFIG) {
+						GWT.log("MAX_RETRY_ON_LOADING_CONFIG reached, timer cancelled");
+						this.cancel();
+					}
+
+				}
+			};
+
+			timer.scheduleRepeating(500);
+
+		}
+
+	}
+
+	/**
+	 * Increment configuration loaded.
+	 */
+	private void incrementConfigurationLoaded() {
+		configurationLoaded++;
+	}
+
+	/**
+	 * Decrement configuration loaded.
+	 */
+	private synchronized void decrementConfigurationLoaded() {
+		configurationLoaded--;
+	}
+
+	/**
+	 * Gets the configuration loaded.
+	 *
+	 * @return the configuration loaded
+	 */
+	private synchronized int getConfigurationLoaded() {
+		return configurationLoaded;
+	}
+
+	/**
+	 * Checks if is moderator role assigned.
+	 *
+	 * @return the boolean
+	 * @throws Exception the exception
+	 */
+	public Boolean isModeratorRoleAssigned() throws Exception {
+		if (moderatorRoleAssigned == null)
+			throw new Exception(
+					"Please, first check if the Moderator role is assigned in this context by calling checkContentModeratorConfiguration");
+
+		return moderatorRoleAssigned;
+	}
+
+	/**
+	 * Checks if is content moderation enabled.
+	 *
+	 * @return true, if is content moderation enabled
+	 * @throws Exception the exception
+	 */
+	public boolean isContentModerationEnabled() throws Exception {
+
+		if (contentModerationEnabled == null)
+			throw new Exception(
+					"Please, first check if the content moderation is enabled in this context by calling checkContentModeratorConfiguration");
+
+		return contentModerationEnabled;
+
+	}
+
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/client/CkanContentModeratorService.java

@@ -3,7 +3,6 @@ package org.gcube.portlets.widgets.ckancontentmoderator.client;
 import java.util.List;
 
 import org.gcube.datacatalogue.utillibrary.shared.ItemStatus;
-import org.gcube.portlets.widgets.ckancontentmoderator.shared.CMSUserRole;
 import org.gcube.portlets.widgets.ckancontentmoderator.shared.CatalogueDataset;
 import org.gcube.portlets.widgets.ckancontentmoderator.shared.ModerationUserRole;
 import org.gcube.portlets.widgets.ckancontentmoderator.shared.OperationReport;
@@ -27,7 +26,7 @@ public interface CkanContentModeratorService extends RemoteService {
 	 *
 	 * @return true, if is content moderator enabled
 	 */
-	public boolean isContentModeratorEnabled();
+	public Boolean isContentModeratorEnabled();
 
 	/**
 	 * Sets the status. Currently, this only used to change the status from Rejected
@@ -75,10 +74,10 @@ public interface CkanContentModeratorService extends RemoteService {
 	/**
 	 * Gets the data for status.
 	 *
-	 * @param status      the status
+	 * @param status        the status
-	 * @param startIndex  the start index
+	 * @param star@Override tIndex the start index
-	 * @param lenght      the lenght
+	 * @param lenght        the lenght
-	 * @param serverIndex the server index
+	 * @param serverIndex   the server index
 	 * @return the data for status
 	 * @throws Exception the exception
 	 * @par@Override am lenght the lenght
@@ -102,4 +101,12 @@ public interface CkanContentModeratorService extends RemoteService {
 	 * @throws Exception the exception
 	 */
 	ModerationUserRole getCMSRolesForUserInTheContext() throws Exception;
+
+	/**
+	 * Checks if is moderator role assigned.
+	 *
+	 * @return the moderation user role
+	 * @throws Exception the exception
+	 */
+	Boolean isModeratorRoleAssigned() throws Exception;
 }

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/client/CkanContentModeratorServiceAsync.java

@@ -96,4 +96,11 @@ public interface CkanContentModeratorServiceAsync {
 	 */
 	void getCMSRolesForUserInTheContext(AsyncCallback<ModerationUserRole> callback);
 
+	/**
+	 * Checks if is moderator role assigned.
+	 *
+	 * @param callback the callback
+	 */
+	void isModeratorRoleAssigned(AsyncCallback<Boolean> callback);
+
 }

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/client/CkanContentModeratorWidget.java

@@ -15,7 +15,7 @@ import com.google.gwt.user.client.ui.ComplexPanel;
  */
 public class CkanContentModeratorWidget {
 
-	CkanContentModeratorWidgetController cmsController;
+	private CkanContentModeratorWidgetController cmsController;
 
 	/**
 	 * Instantiates a new ckan content moderator widget.
@@ -24,36 +24,10 @@ public class CkanContentModeratorWidget {
 	 * @param displayFields the display fields
 	 * @param sortByField   the sort by field
 	 */
-	public CkanContentModeratorWidget(ItemStatus status, DISPLAY_FIELD[] displayFields, DISPLAY_FIELD sortByField) {
+	public CkanContentModeratorWidget(ItemStatus status, DISPLAY_FIELD[] displayFields, DISPLAY_FIELD sortByField,
+			Command onConfigurationLoaded) {
 		cmsController = new CkanContentModeratorWidgetController(status, displayFields, sortByField);
 
-		try {
-			cmsController.checkContentModeratorConfiguration(null);
-		} catch (Exception e) {
-			// TODO Auto-generated catch block
-			e.printStackTrace();
-		}
-	}
-
-	/**
-	 * Checks if is content moderator enabled.
-	 *
-	 * @return true, if is content moderator enabled
-	 * @throws Exception the exception
-	 */
-	public boolean isContentModeratorEnabled() throws Exception {
-		return cmsController.isContentModeratorEnabled();
-	}
-
-	/**
-	 * Check content moderator configuration.
-	 *
-	 * @param onSuccess the on success
-	 * @throws Exception the exception
-	 */
-	public void checkContentModeratorConfiguration(final Command onSuccess) throws Exception {
-		cmsController.checkContentModeratorConfiguration(onSuccess);
-
 	}
 
 	/**
@@ -64,4 +38,5 @@ public class CkanContentModeratorWidget {
 	public ComplexPanel getPanel() {
 		return cmsController.getMainPanel();
 	}
+
 }

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/client/CkanContentModeratorWidgetController.java

@@ -16,6 +16,8 @@ import org.gcube.portlets.widgets.ckancontentmoderator.client.events.SelectItems
 import org.gcube.portlets.widgets.ckancontentmoderator.client.events.SelectItemsWithItemStatusEventHandler;
 import org.gcube.portlets.widgets.ckancontentmoderator.client.events.ShowItemEvent;
 import org.gcube.portlets.widgets.ckancontentmoderator.client.events.ShowItemEventHandler;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.events.ShowMessageEvent;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.events.ShowMessageEventHandler;
 import org.gcube.portlets.widgets.ckancontentmoderator.client.events.TableRangeViewChangedEvent;
 import org.gcube.portlets.widgets.ckancontentmoderator.client.events.TableRangeViewChangedEventHandler;
 import org.gcube.portlets.widgets.ckancontentmoderator.client.ui.CkanFramePanel;
@@ -26,11 +28,10 @@ import org.gcube.portlets.widgets.ckancontentmoderator.client.ui.table.ItemsTabl
 import org.gcube.portlets.widgets.ckancontentmoderator.shared.CatalogueDataset;
 
 import com.github.gwtbootstrap.client.ui.Alert;
+import com.github.gwtbootstrap.client.ui.constants.AlertType;
 import com.google.gwt.core.client.GWT;
 import com.google.gwt.event.shared.HandlerManager;
-import com.google.gwt.user.client.Command;
 import com.google.gwt.user.client.Timer;
-import com.google.gwt.user.client.rpc.AsyncCallback;
 import com.google.gwt.user.client.ui.ComplexPanel;
 import com.google.gwt.user.client.ui.FlowPanel;
 
@@ -51,7 +52,7 @@ public class CkanContentModeratorWidgetController {
 
 	private ContentModeratorToolbar toolbar;
 	private MainTabPanel mainTabPanel = new MainTabPanel();
-	private Boolean isContentModeratorEnabled = null;
+
 	public final static HandlerManager eventBus = new HandlerManager(null);
 	private HomeView howeView;
 
@@ -170,70 +171,45 @@ public class CkanContentModeratorWidgetController {
 					mainTabPanel.selectTab(0);
 				}
 
-				if(statusSelectedEvent.getDisplayMessage()!=null) {
+				if (statusSelectedEvent.getDisplayMessage() != null) {
-					final Alert alert = new Alert(statusSelectedEvent.getDisplayMessage());
+					showMessage(statusSelectedEvent.getDisplayMessage(), statusSelectedEvent.getAlertType());
-					alert.setType(statusSelectedEvent.getAlertType());
-					alert.setClose(true);
-					alert.setAnimation(true);
-					infoPanel.add(alert);
-					
-					//Cleans the info panel after 10 sec.
-					Timer t = new Timer() {
-						
-						@Override
-						public void run() {
-							infoPanel.clear();
-						}
-					};
-					
-					t.schedule(10000);
-					
 				}
 
 			}
 		});
-	}
 
-	/**
+		eventBus.addHandler(ShowMessageEvent.TYPE, new ShowMessageEventHandler() {
-	 * Checks if is content moderator enabled.
-	 *
-	 * @return true, if is content moderator enabled
-	 * @throws Exception the exception
-	 */
-	public boolean isContentModeratorEnabled() throws Exception {
-
-		if (isContentModeratorEnabled == null)
-			throw new Exception("Please, first check if the content moderator is enabled in this context");
-
-		return isContentModeratorEnabled;
-
-	}
-
-	/**
-	 * Check content moderator configuration.
-	 *
-	 * @param whenDone the when done
-	 * @throws Exception the exception
-	 */
-	public void checkContentModeratorConfiguration(final Command whenDone) throws Exception {
-
-		contentModeratorService.isContentModeratorEnabled(new AsyncCallback<Boolean>() {
 
 			@Override
-			public void onFailure(Throwable caught) {
+			public void onShowMessage(ShowMessageEvent showMessageEvent) {
-				whenDone.execute();
 
-			}
+				if (showMessageEvent.getMsg() != null) {
-
+					showMessage(showMessageEvent.getMsg(), showMessageEvent.getAlerType());
-			@Override
-			public void onSuccess(Boolean result) {
-				isContentModeratorEnabled = result;
-				if (whenDone != null)
-					whenDone.execute();
 
+				}
 			}
 		});
+	}
 
+	private void showMessage(String msg, AlertType alertType) {
+
+		final Alert alert = new Alert(msg);
+		alertType = alertType != null ? alertType : AlertType.INFO;
+		alert.setType(alertType);
+		alert.setClose(true);
+		alert.setAnimation(true);
+		infoPanel.add(alert);
+
+		// Cleans the info panel after 12 sec.
+		Timer t = new Timer() {
+
+			@Override
+			public void run() {
+				infoPanel.clear();
+			}
+		};
+
+		t.schedule(12000);
 	}
 
 	/**

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/client/CkanContentModeratorWidgetEntryPoint.java

@@ -1,7 +1,6 @@
 package org.gcube.portlets.widgets.ckancontentmoderator.client;
 
 import com.google.gwt.core.client.EntryPoint;
-import com.google.gwt.core.client.GWT;
 
 /**
  * Entry point classes define <code>onModuleLoad()</code>.
@@ -14,41 +13,10 @@ public class CkanContentModeratorWidgetEntryPoint implements EntryPoint {
 	private static final String SERVER_ERROR = "An error occurred while "
 			+ "attempting to contact the server. Please check your network " + "connection and try again.";
 
-	/**
-	 * Create a remote service proxy to talk to the server-side Greeting service.
-	 */
-	private final CkanContentModeratorServiceAsync greetingService = GWT.create(CkanContentModeratorService.class);
-
 	/**
 	 * This is the entry point method.
 	 */
 	public void onModuleLoad() {
-		/*StyleInjector.inject(DataTableClientBundle.INSTANCE.dataTable().getText());
-
-//		MaterialDataTable<String> table = new MaterialDataTable<String>();
-//		table.getTableTitle().setText("Customers");
-//		List<String> users = new ArrayList<String>();
-//		users.add("Pippo");
-//		table.setRowData(0, users);
-
-		final CustomizedView cvTable = new CustomizedView();
-		RootPanel.get().add(cvTable);
-//		table.getView().refresh();
-
-		greetingService.getListItemsForStatus(ItemStatus.PENDING, 20, 0, new AsyncCallback<List<CatalogueDataset>>() {
-
-			@Override
-			public void onSuccess(List<CatalogueDataset> result) {
-				cvTable.setData(result);
-
-			}
-
-			@Override
-			public void onFailure(Throwable caught) {
-				Window.alert(caught.getMessage());
-
-			}
-		});*/
 	}
 
 }

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/client/events/ShowMessageEvent.java

@@ -0,0 +1,68 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.client.events;
+
+import com.github.gwtbootstrap.client.ui.constants.AlertType;
+import com.google.gwt.event.shared.GwtEvent;
+
+/**
+ * The Class ShowMessageEvent.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ * Feb 22, 2022
+ */
+public class ShowMessageEvent extends GwtEvent<ShowMessageEventHandler> {
+	public static Type<ShowMessageEventHandler> TYPE = new Type<ShowMessageEventHandler>();
+	private String msg;
+	private AlertType alerType;
+
+	/**
+	 * Instantiates a new click item event.
+	 *
+	 * @param msg the msg
+	 * @param alerType the aler type
+	 */
+	public ShowMessageEvent(String msg, AlertType alerType) {
+		this.msg = msg;
+		this.alerType = alerType;
+	}
+
+	/**
+	 * Gets the associated type.
+	 *
+	 * @return the associated type
+	 */
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see com.google.gwt.event.shared.GwtEvent#getAssociatedType()
+	 */
+	@Override
+	public Type<ShowMessageEventHandler> getAssociatedType() {
+		return TYPE;
+	}
+
+	/**
+	 * Dispatch.
+	 *
+	 * @param handler the handler
+	 */
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see
+	 * com.google.gwt.event.shared.GwtEvent#dispatch(com.google.gwt.event.shared.
+	 * EventHandler)
+	 */
+	@Override
+	protected void dispatch(ShowMessageEventHandler handler) {
+		handler.onShowMessage(this);
+	}
+	
+	public String getMsg() {
+		return msg;
+	}
+	
+	public AlertType getAlerType() {
+		return alerType;
+	}
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/client/events/ShowMessageEventHandler.java

@@ -0,0 +1,20 @@
+package org.gcube.portlets.widgets.ckancontentmoderator.client.events;
+
+import com.google.gwt.event.shared.EventHandler;
+
+/**
+ * The Interface ShowMessageEventHandler.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ * Feb 22, 2022
+ */
+public interface ShowMessageEventHandler extends EventHandler {
+
+	/**
+	 * On show message.
+	 *
+	 * @param showMessageEvent the show message event
+	 */
+	void onShowMessage(ShowMessageEvent showMessageEvent);
+}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/client/ui/ContentModeratorPaginatedView.java

@@ -5,6 +5,7 @@ import java.util.List;
 import org.gcube.datacatalogue.utillibrary.shared.ItemStatus;
 import org.gcube.portlets.widgets.ckancontentmoderator.client.CkanContentModeratorWidgetController;
 import org.gcube.portlets.widgets.ckancontentmoderator.client.ContentModeratorWidgetConstants;
+import org.gcube.portlets.widgets.ckancontentmoderator.client.events.ShowMessageEvent;
 import org.gcube.portlets.widgets.ckancontentmoderator.client.events.TableRangeViewChangedEvent;
 import org.gcube.portlets.widgets.ckancontentmoderator.client.ui.table.ItemsTable;
 import org.gcube.portlets.widgets.ckancontentmoderator.client.ui.table.ItemsTable.DISPLAY_FIELD;
@@ -13,6 +14,7 @@ import org.gcube.portlets.widgets.ckancontentmoderator.client.ui.util.LoadingPan
 import org.gcube.portlets.widgets.ckancontentmoderator.shared.CatalogueDataset;
 import org.gcube.portlets.widgets.ckancontentmoderator.shared.SearchedData;
 
+import com.github.gwtbootstrap.client.ui.constants.AlertType;
 import com.google.gwt.core.client.GWT;
 import com.google.gwt.event.shared.HandlerManager;
 import com.google.gwt.user.cellview.client.SimplePager;
@@ -30,7 +32,6 @@ import com.google.gwt.view.client.Range;
 import com.google.gwt.view.client.SelectionModel;
 import com.google.gwt.view.client.SingleSelectionModel;
 
-
 /**
  * The Class GeonaRecordsPaginatedView.
  *
@@ -56,7 +57,7 @@ public class ContentModeratorPaginatedView {
 	/**
 	 * Instantiates a new content moderator paginated view.
 	 *
-	 * @param eventbus the eventbus
+	 * @param eventbus      the eventbus
 	 * @param theStatus     the the status
 	 * @param displayFields the display fields
 	 * @param sortByField   the sort by field
@@ -147,7 +148,8 @@ public class ContentModeratorPaginatedView {
 	 */
 	private void loadNewPage(final int startIdx, final int limit, final boolean resetStore) {
 		// initFirstRangeChanged = resetStore;
-		GWT.log("loadNewPage with parameters [startIdx: " + startIdx + ", limit: " + limit + ", resetStore:"+ resetStore + "]");
+		GWT.log("loadNewPage with parameters [startIdx: " + startIdx + ", limit: " + limit + ", resetStore:"
+				+ resetStore + "]");
 		// showLoading(true);
 
 		int newStartIndex = startIdx;
@@ -181,14 +183,14 @@ public class ContentModeratorPaginatedView {
 	 * @param result the new new page result
 	 */
 	private void setNewPageResult(SearchedData result) {
-		GWT.log("setNewPageResult: "+result);
+		GWT.log("setNewPageResult: " + result);
 		serverStartIndex = result.getServerEndIndex();
 		SelectionModel<? super CatalogueDataset> sm = getCellTable().getSelectionModel();
 
 		if (sm instanceof SingleSelectionModel) {
 			SingleSelectionModel<CatalogueDataset> ssm = (SingleSelectionModel<CatalogueDataset>) sm;
 			ssm.clear();
-		}else if (sm instanceof MultiSelectionModel) {
+		} else if (sm instanceof MultiSelectionModel) {
 			MultiSelectionModel<CatalogueDataset> msm = (MultiSelectionModel<CatalogueDataset>) sm;
 			msm.clear();
 		}
@@ -240,6 +242,8 @@ public class ContentModeratorPaginatedView {
 					@Override
 					public void onFailure(Throwable caught) {
 						showLoading(false);
+						eventBus.fireEvent(new ShowMessageEvent(caught.getMessage(), AlertType.ERROR));
+
 					}
 				});
 
@@ -248,7 +252,7 @@ public class ContentModeratorPaginatedView {
 	/**
 	 * Select items.
 	 *
-	 * @param select the select
+	 * @param select      the select
 	 * @param limitToPage the limit to page
 	 */
 	public void selectItems(boolean select, boolean limitToPage) {

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/client/ui/HomeView.java

@@ -276,23 +276,7 @@ public class HomeView extends Composite {
 			@Override
 			public void onClick(ClickEvent event) {
 				confirmPanelContainer.clear();
-
 				performCMSAction(doActionCMS);
-				// TODO DO ACTION UPDATE STATUS OR DELETE PERMANENTLY
-
-//				int count = selectedItems.size();
-//				String msg = "";
-//				if (count > 0) {
-//					if (count == 1) {
-//						msg += "One item";
-//					} else {
-//						msg += count + " items";
-//					}
-//
-//					msg += " moved to " + toStatus + " status";
-//				}
-//				eventBus.fireEvent(new SelectItemsWithItemStatusEvent(displayingItemStatus, msg));
-
 			}
 		});
 
@@ -416,9 +400,13 @@ public class HomeView extends Composite {
 								msg += " moved to " + toStatus + " status.";
 							}
 
-							int errorCount = result.getErrorListItems().size();
+							int errorCount = result.getErrorMapItems().size();
 							if (errorCount > 0) {
-								msg += " <br/>Error occurred on updating status to " + errorCount + " item/s";
+								msg += " <br/>Error occurred on updating status to " + errorCount + " item/s:";
+								for (String key : result.getErrorMapItems().keySet()) {
+									msg += "<br/> "+ key+". Error: "+ result.getErrorMapItems().get(key);
+								}
+							
 								alert = AlertType.WARNING;
 							}
 
@@ -465,10 +453,12 @@ public class HomeView extends Composite {
 								msg += " moved to " + toStatus + " status.";
 							}
 
-							int errorCount = result.getErrorListItems().size();
+							int errorCount = result.getErrorMapItems().size();
 							if (errorCount > 0) {
-								msg += " <br/>Error occurred on approving " + errorCount + " item/s";
+								msg += " <br/>Error occurred on approving " + errorCount + " item/s:";
-								alert = AlertType.WARNING;
+								for (String key : result.getErrorMapItems().keySet()) {
+									msg += "<br/> "+ key+". Error: "+ result.getErrorMapItems().get(key);
+								}
 							}
 
 							eventBus.fireEvent(new SelectItemsWithItemStatusEvent(displayingItemStatus, msg, alert));
@@ -507,10 +497,12 @@ public class HomeView extends Composite {
 								msg += " moved to " + toStatus + " status.";
 							}
 
-							int errorCount = result.getErrorListItems().size();
+							int errorCount = result.getErrorMapItems().size();
 							if (errorCount > 0) {
-								msg += " <br/>Error occurred on rejecting " + errorCount + " item/s";
+								msg += " <br/>Error occurred on rejecting " + errorCount + " item/s:";
-								alert = AlertType.WARNING;
+								for (String key : result.getErrorMapItems().keySet()) {
+									msg += "<br/> "+ key+". Error: "+ result.getErrorMapItems().get(key);
+								}
 							}
 
 							eventBus.fireEvent(new SelectItemsWithItemStatusEvent(displayingItemStatus, msg, alert));

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/server/CkanContentModeratorServiceImpl.java

@@ -1,7 +1,9 @@
 package org.gcube.portlets.widgets.ckancontentmoderator.server;
 
 import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
 
 import org.gcube.common.authorization.library.provider.SecurityTokenProvider;
 import org.gcube.common.scope.api.ScopeProvider;
@@ -39,7 +41,7 @@ public class CkanContentModeratorServiceImpl extends RemoteServiceServlet implem
 	 * @return true, if is content moderator enabled
 	 */
 	@Override
-	public boolean isContentModeratorEnabled() {
+	public Boolean isContentModeratorEnabled() {
 		LOG.info("called isContentModeratorEnabled");
 		String scope = setContexts();
 		boolean isContentModeratorEnabled = false;
@@ -54,6 +56,26 @@ public class CkanContentModeratorServiceImpl extends RemoteServiceServlet implem
 		return isContentModeratorEnabled;
 	}
 
+	/**
+	 * Checks if is moderator role is assigned to working user in the context.
+	 *
+	 * @return the moderation user role
+	 * @throws Exception the exception
+	 */
+	@Override
+	public Boolean isModeratorRoleAssigned() throws Exception {
+		LOG.info("called isModeratorRoleAssigned");
+		ModerationUserRole userRole = getCMSRolesForUserInTheContext();
+
+		boolean isCatalogueModerator = false;
+		if (userRole != null && userRole.getRoles() != null
+				&& userRole.getRoles().contains(CMSUserRole.CATALOGUE_MODERATOR)) {
+			LOG.info("called isModeratorRoleAssigned");
+			isCatalogueModerator = true;
+		}
+		LOG.info("is " + CMSUserRole.CATALOGUE_MODERATOR.getRoleName() + " assigned? " + isCatalogueModerator);
+		return isCatalogueModerator;
+	}
 
 	/**
 	 * Gets the CMS roles for user in the context.
@@ -69,7 +91,7 @@ public class CkanContentModeratorServiceImpl extends RemoteServiceServlet implem
 
 		GcubeContextUtil.getCurrentUser(getThreadLocalRequest());
 		ModerationUserRole userRole = new ModerationUserRole(getServletInfo(), roles);
-		LOG.info("return: "+userRole);
+		LOG.info("return: " + userRole);
 		return userRole;
 	}
 
@@ -120,9 +142,8 @@ public class CkanContentModeratorServiceImpl extends RemoteServiceServlet implem
 			}
 
 		} catch (Exception e) {
-			LOG.error(e.getMessage(), e);
+			LOG.error("Error occurred on reading items for status: " + theStatus, e);
-			throw new Exception(
+			throw e;
-					"Error occurred on reading items for status: " + theStatus + ". Caused by: " + e.getMessage());
 		}
 
 		LOG.info("returning " + datasetList.size() + " dataset");
@@ -135,7 +156,7 @@ public class CkanContentModeratorServiceImpl extends RemoteServiceServlet implem
 	 * @param theStatus the the status
 	 * @param itemNames the item names
 	 * @return the operation report
-	 * @throws Exception
+	 * @throws Exception the exception
 	 */
 	@Override
 	public OperationReport setStatus(ItemStatus theStatus, List<String> itemNames) throws Exception {
@@ -144,7 +165,7 @@ public class CkanContentModeratorServiceImpl extends RemoteServiceServlet implem
 		try {
 			String scope = setContexts();
 			DataCatalogueImpl catalogueImpl = CatalogueCMSFactory.getFactory().getCatalogueImplPerScope(scope);
-			List<String> errorListItems = new ArrayList<String>();
+			Map<String, String> errorMapItems = new HashMap<String, String>();
 			List<String> changedStatusListItems = new ArrayList<String>();
 			for (String itemName : itemNames) {
 				try {
@@ -152,11 +173,11 @@ public class CkanContentModeratorServiceImpl extends RemoteServiceServlet implem
 					changedStatusListItems.add(itemName);
 				} catch (Exception e) {
 					LOG.warn("Error when setting status (updating) the itemName: " + itemName, e);
-					errorListItems.add(itemName);
+					errorMapItems.put(itemName, e.getMessage());
 				}
 			}
 
-			return new OperationReport(theStatus.getLabel(), errorListItems, changedStatusListItems);
+			return new OperationReport(theStatus.getLabel(), changedStatusListItems, errorMapItems);
 
 		} catch (Exception e) {
 			LOG.error(e.getMessage(), e);
@@ -182,7 +203,7 @@ public class CkanContentModeratorServiceImpl extends RemoteServiceServlet implem
 			DataCatalogueImpl catalogueImpl = CatalogueCMSFactory.getFactory().getCatalogueImplPerScope(scope);
 			CatalogueContentModeratorSystem cmsInstance = catalogueImpl.getCatalogueContentModerator();
 
-			List<String> errorListItems = new ArrayList<String>();
+			Map<String, String> errorMapItems = new HashMap<String, String>();
 			List<String> approvedListItems = new ArrayList<String>();
 			for (String itemName : itemNames) {
 				try {
@@ -190,11 +211,11 @@ public class CkanContentModeratorServiceImpl extends RemoteServiceServlet implem
 					approvedListItems.add(itemName);
 				} catch (Exception e) {
 					LOG.warn("Error when approving itemName: " + itemName, e);
-					errorListItems.add(itemName);
+					errorMapItems.put(itemName, e.getMessage());
 				}
 			}
 
-			return new OperationReport(ItemStatus.APPROVED.getLabel(), errorListItems, approvedListItems);
+			return new OperationReport(ItemStatus.APPROVED.getLabel(), approvedListItems, errorMapItems);
 
 		} catch (Exception e) {
 			LOG.error(e.getMessage(), e);
@@ -221,7 +242,7 @@ public class CkanContentModeratorServiceImpl extends RemoteServiceServlet implem
 			DataCatalogueImpl catalogueImpl = CatalogueCMSFactory.getFactory().getCatalogueImplPerScope(scope);
 			CatalogueContentModeratorSystem cmsInstance = catalogueImpl.getCatalogueContentModerator();
 
-			List<String> errorListItems = new ArrayList<String>();
+			Map<String, String> errorMapItems = new HashMap<String, String>();
 			List<String> passedListItems = new ArrayList<String>();
 			for (String itemName : itemNames) {
 				try {
@@ -229,11 +250,11 @@ public class CkanContentModeratorServiceImpl extends RemoteServiceServlet implem
 					passedListItems.add(itemName);
 				} catch (Exception e) {
 					LOG.warn("Error when rejecting itemName: " + itemName, e);
-					errorListItems.add(itemName);
+					errorMapItems.put(itemName, e.getMessage());
 				}
 			}
 
-			return new OperationReport(ItemStatus.REJECTED.getLabel(), errorListItems, passedListItems);
+			return new OperationReport(ItemStatus.REJECTED.getLabel(), passedListItems, errorMapItems);
 
 		} catch (Exception e) {
 			LOG.error(e.getMessage(), e);
@@ -257,7 +278,7 @@ public class CkanContentModeratorServiceImpl extends RemoteServiceServlet implem
 			DataCatalogueImpl catalogueImpl = CatalogueCMSFactory.getFactory().getCatalogueImplPerScope(scope);
 			CatalogueContentModeratorSystem cmsInstance = catalogueImpl.getCatalogueContentModerator();
 
-			List<String> errorListItems = new ArrayList<String>();
+			Map<String, String> errorMapItems = new HashMap<String, String>();
 			List<String> passedListItems = new ArrayList<String>();
 			for (String itemName : itemNames) {
 				try {
@@ -265,11 +286,11 @@ public class CkanContentModeratorServiceImpl extends RemoteServiceServlet implem
 					passedListItems.add(itemName);
 				} catch (Exception e) {
 					LOG.warn("Error when deleting permanently the itemName: " + itemName, e);
-					errorListItems.add(itemName);
+					errorMapItems.put(itemName, e.getMessage());
 				}
 			}
 
-			return new OperationReport("Permanently Delete", errorListItems, passedListItems);
+			return new OperationReport("Permanently Delete", passedListItems, errorMapItems);
 
 		} catch (Exception e) {
 			LOG.error(e.getMessage(), e);
@@ -294,68 +315,36 @@ public class CkanContentModeratorServiceImpl extends RemoteServiceServlet implem
 		LOG.info("called getDataForStatus [status: " + status + ", offset: " + offset + ", limit: " + limit
 				+ ", serverIndex: " + serverStartIndex);
 		
+		String scope = setContexts();
+		int searchStartIndex = offset;
+		CatalogueContentModeratorSystem cmsInstance = CatalogueCMSFactory.getFactory().getCMSPerScope(scope);
+		SearchedData searchedData = new SearchedData(offset, limit, searchStartIndex, false);
+		long totalItemsForStatus = cmsInstance.countListItemsForStatus(status);
+		LOG.info("totalItemsForStatus " + status + " are : " + totalItemsForStatus);
+		List<CatalogueDataset> listDataset = new ArrayList<CatalogueDataset>();
 		try {
-			String scope = setContexts();
+			LOG.debug("getListItemsForStatus with searchStartIndex: " + searchStartIndex + ", limit: " + limit);
-			// int searchStartIndex = limit < serverStartIndex? serverStartIndex : offset;
+			listDataset = getListItemsForStatus(status, searchStartIndex, limit);
-
-			int searchStartIndex = offset;
-
-			CatalogueContentModeratorSystem cmsInstance = CatalogueCMSFactory.getFactory().getCMSPerScope(scope);
-			SearchedData searchedData = new SearchedData(offset, limit, searchStartIndex, false);
-			long totalItemsForStatus = cmsInstance.countListItemsForStatus(status);
-			LOG.info("totalItemsForStatus " + status + " are : " + totalItemsForStatus);
-			List<CatalogueDataset> listDataset = new ArrayList<CatalogueDataset>();
-			try {
-				LOG.debug("getListItemsForStatus with searchStartIndex: " + searchStartIndex + ", limit: " + limit);
-				listDataset = getListItemsForStatus(status, searchStartIndex, limit);
-			} catch (Exception e) {
-				LOG.error("Error occurred on gettin items for status: " + status, e);
-			}
-
-			int listDatasetSize = listDataset.size();
-			LOG.debug("Returned " + listDatasetSize + " with above parameters");
-			searchedData.setData(listDataset);
-			searchedData.setTotalItems(totalItemsForStatus);
-
-			if (listDatasetSize == limit || listDatasetSize == 0) {
-				LOG.debug("Page completed returning " + listDatasetSize + " items");
-				int newOffset = searchStartIndex + offset;
-				searchedData.setServerSearchFinished(newOffset > totalItemsForStatus || listDatasetSize == 0);
-				LOG.debug("is Search finished: " + searchedData.isServerSearchFinished());
-				return searchedData;
-			}
-
-			/*
-			 * int offsetStartIndex = searchStartIndex; boolean pageOffsetOut = false;
-			 * while(listDatasetSize < offset && !searchedData.isServerSearchFinished() &&
-			 * !pageOffsetOut){ //&& SEARCH NOT ULTIMATED
-			 * LOG.debug("MyLg new WHILE Items count: "
-			 * +totalItemsForStatus+" is less than limit..");
-			 * 
-			 * int newOffsetStartIndex = offsetStartIndex+limit+1;
-			 * LOG.debug("MyLg NewStartIndex is startIndex+limit: "+newOffsetStartIndex);
-			 * 
-			 * //THERE ARE OTHER CHILDREN OVER NEW START INDEX if(newOffsetStartIndex <
-			 * totalItemsForStatus){ //newLimit = limit - childrenToReturn.size();
-			 * LOG.debug("MyLg getting items with index start: "+newOffsetStartIndex +
-			 * ", limit: "+offset);
-			 * 
-			 * int diff = (int) (offset - totalItemsForStatus); //How items are remaining
-			 * //int offset = 0; LOG.debug("MyLg new search start: "+newOffsetStartIndex +
-			 * ", diff: "+diff+ ", retrieved: "+listDatasetSize); if(diff >=
-			 * listDatasetSize){ }else{ pageOffsetOut = true; } offsetStartIndex =
-			 * newOffsetStartIndex; LOG.debug("MyLg items count is: "+totalItemsForStatus +
-			 * " serverEndIndex: "+offsetStartIndex);
-			 * searchedData.setServerEndIndex(offsetStartIndex); }else{ LOG.
-			 * debug("New start index (oldStartIndex+limit) is grather than total items count, search is finished"
-			 * ); searchedData.setServerSearchFinished(true); } }
-			 */
-			LOG.debug("Returning: " + searchedData);
-			return searchedData;
-
 		} catch (Exception e) {
-			LOG.error("Error during folder retrieving", e);
+			String error = "Error occurred on getting items for status: " + status;
-			throw new Exception("Sorry, an error occurred on loading items");
+			LOG.error(error, e);
+			throw new Exception(error+". Cause: "+e.getMessage());
 		}
+
+		int listDatasetSize = listDataset.size();
+		LOG.debug("Returned " + listDatasetSize + " with above parameters");
+		searchedData.setData(listDataset);
+		searchedData.setTotalItems(totalItemsForStatus);
+
+		if (listDatasetSize == limit || listDatasetSize == 0) {
+			LOG.debug("Page completed returning " + listDatasetSize + " items");
+			int newOffset = searchStartIndex + offset;
+			searchedData.setServerSearchFinished(newOffset > totalItemsForStatus || listDatasetSize == 0);
+			LOG.debug("is Search finished: " + searchedData.isServerSearchFinished());
+			return searchedData;
+		}
+
+		LOG.debug("Returning: " + searchedData);
+		return searchedData;
 	}
 }

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/shared/ModerationUserRole.java

@@ -31,10 +31,6 @@ public class ModerationUserRole implements Serializable {
 		this.roles = roles;
 	}
 
-	public static long getSerialversionuid() {
-		return serialVersionUID;
-	}
-
 	public String getUsername() {
 		return username;
 	}

src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/shared/OperationReport.java

@@ -2,25 +2,27 @@ package org.gcube.portlets.widgets.ckancontentmoderator.shared;
 
 import java.io.Serializable;
 import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
 
 public class OperationReport implements Serializable {
 
+
 	/**
 	 * 
 	 */
-	private static final long serialVersionUID = 879318163198093725L;
+	private static final long serialVersionUID = 4960774282956107668L;
 	private String operationType;
-	private List<String> errorListItems = new ArrayList<String>();
+	private Map<String, String> errorMapItems = new HashMap<String, String>();
 	private List<String> passedListItems = new ArrayList<String>();
 
 	public OperationReport() {
 	}
 
-	public OperationReport(String operationType, List<String> errorListItems, List<String> passedListItems) {
+	public OperationReport(String operationType, List<String> passedListItems, Map<String, String> errorMapItems) {
-		super();
 		this.operationType = operationType;
-		this.errorListItems = errorListItems;
+		this.errorMapItems = errorMapItems;
 		this.passedListItems = passedListItems;
 	}
 
@@ -28,8 +30,8 @@ public class OperationReport implements Serializable {
 		return operationType;
 	}
 
-	public List<String> getErrorListItems() {
+	public Map<String, String> getErrorMapItems() {
-		return errorListItems;
+		return errorMapItems;
 	}
 
 	public List<String> getPassedListItems() {
@@ -40,8 +42,8 @@ public class OperationReport implements Serializable {
 		this.operationType = operationType;
 	}
 
-	public void setErrorListItems(List<String> errorListItems) {
+	public void setErrorMapItems(Map<String, String> errorMapItems) {
-		this.errorListItems = errorListItems;
+		this.errorMapItems = errorMapItems;
 	}
 
 	public void setPassedListItems(List<String> passedListItems) {
@@ -53,8 +55,8 @@ public class OperationReport implements Serializable {
 		StringBuilder builder = new StringBuilder();
 		builder.append("OperationReport [operationType=");
 		builder.append(operationType);
-		builder.append(", errorListItems=");
+		builder.append(", errorMapItems=");
-		builder.append(errorListItems);
+		builder.append(errorMapItems);
 		builder.append(", passedListItems=");
 		builder.append(passedListItems);
 		builder.append("]");