adding unlink to ui and matching link permissions

doc/release-notes/10583-dataset-unlink-functionality-same-permission-as-link.md

@@ -0,0 +1,2 @@
+New "Unlink Dataset" button has been added to the Dataset Page to allow a user to unlink a dataset from a Dataverse that was previously linked with the "Link Dataset" button. The user must possess the same permissions needed to unlink the Dataset as they would to link the Dataset.
+The unlink can still be accomplished by a superuser/Admin or a User with Publish Dataset permissions using the [pre-existing API](https://guides.dataverse.org/en/6.3/admin/dataverses-datasets.html#unlink-a-dataset).

doc/sphinx-guides/source/admin/dataverses-datasets.rst

@@ -147,7 +147,7 @@ It returns a list in the following format:
 Unlink a Dataset
 ^^^^^^^^^^^^^^^^
 
-Removes a link between a dataset and a Dataverse collection. Only accessible to superusers. ::
+Removes a link between a dataset and a Dataverse collection. Accessible to superusers or Users with Publish Dataset permissions (as of Dataverse 6.4). ::
 
     curl -H "X-Dataverse-key: $API_TOKEN" -X DELETE http://$SERVER/api/datasets/$linked-dataset-id/deleteLink/$linking-dataverse-alias
 

src/main/java/edu/harvard/iq/dataverse/DatasetPage.java

@@ -118,6 +118,7 @@
 import edu.harvard.iq.dataverse.engine.command.exception.IllegalCommandException;
 import edu.harvard.iq.dataverse.engine.command.impl.AbstractSubmitToArchiveCommand;
 import edu.harvard.iq.dataverse.engine.command.impl.CreateNewDatasetCommand;
+import edu.harvard.iq.dataverse.engine.command.impl.DeleteDatasetLinkingDataverseCommand;
 import edu.harvard.iq.dataverse.engine.command.impl.GetLatestPublishedDatasetVersionCommand;
 import edu.harvard.iq.dataverse.engine.command.impl.RequestRsyncScriptCommand;
 import edu.harvard.iq.dataverse.engine.command.impl.PublishDatasetResult;
@@ -3562,6 +3563,16 @@ public void saveLinkingDataverses(ActionEvent evt) {
         }
         alreadyLinkedDataverses = null; //force update to list of linked dataverses
     }
+    public void deleteLinkingDataverses(ActionEvent evt) {
+
+        if (deleteLink(selectedDataverseForLinking)) {
+            JsfHelper.addSuccessMessage(BundleUtil.getStringFromBundle("dataset.message.unlinkSuccess", getSuccessMessageArguments()));
+        } else {
+            FacesMessage message = new FacesMessage(FacesMessage.SEVERITY_INFO, BundleUtil.getStringFromBundle("dataset.notlinked"), linkingDataverseErrorMessage);
+            FacesContext.getCurrentInstance().addMessage(null, message);
+        }
+        alreadyLinkedDataverses = null; //force update to list of linked dataverses
+    }
 
     private String linkingDataverseErrorMessage = "";
 
@@ -3596,6 +3607,25 @@ private Boolean saveLink(Dataverse dataverse){
         }
         return retVal;
     }
+    private Boolean deleteLink(Dataverse dataverse){
+        boolean retVal = true;
+        linkingDataverse = dataverse;
+        try {
+            DatasetLinkingDataverse dsld = dsLinkingService.findDatasetLinkingDataverse(dataset.getId(), linkingDataverse.getId());
+            DeleteDatasetLinkingDataverseCommand cmd = new DeleteDatasetLinkingDataverseCommand(dvRequestService.getDataverseRequest(), dataset, dsld, true);
+            commandEngine.submit(cmd);
+        } catch (CommandException ex) {
+            String msg = "There was a problem removing the link between this dataset to yours: " + ex;
+            logger.severe(msg);
+            msg = BundleUtil.getStringFromBundle("dataset.notlinked.msg") + ex;
+            /**
+             * @todo how do we get this message to show up in the GUI?
+             */
+            linkingDataverseErrorMessage = msg;
+            retVal = false;
+        }
+        return retVal;
+    }
 
     private String alreadyLinkedDataverses = null;
 
@@ -3622,6 +3652,14 @@ public List<Dataverse> completeLinkingDataverse(String query) {
             return null;
         }
     }
+    public List<Dataverse> completeUnLinkingDataverse(String query) {
+        dataset = datasetService.find(dataset.getId());
+        if (session.getUser().isAuthenticated()) {
+            return dataverseService.filterDataversesForUnLinking(query, dvRequestService.getDataverseRequest(), dataset);
+        } else {
+            return null;
+        }
+    }
 
     public List<Dataverse> completeHostDataverseMenuList(String query) {
         if (session.getUser().isAuthenticated()) {
@@ -5580,12 +5618,19 @@ public void setPrivateUrlJustCreatedToFalse() {
     public boolean isShowLinkingPopup() {
         return showLinkingPopup;
     }
+    public boolean isShowUnLinkingPopup() {
+        return showUnLinkingPopup;
+    }
 
     public void setShowLinkingPopup(boolean showLinkingPopup) {
         this.showLinkingPopup = showLinkingPopup;
     }
+    public void setShowUnLinkingPopup(boolean showUnLinkingPopup) {
+        this.showUnLinkingPopup = showUnLinkingPopup;
+    }
 
     private boolean showLinkingPopup = false;
+    private boolean showUnLinkingPopup = false;
     private Boolean anonymizedAccess = null;
 
     //

src/main/java/edu/harvard/iq/dataverse/DataverseServiceBean.java

@@ -503,7 +503,19 @@ public List<Dataverse> filterDataversesForLinking(String query, DataverseRequest
 
         return dataverseList;
     }
-
+    public List<Dataverse> filterDataversesForUnLinking(String query, DataverseRequest req, Dataset dataset) {
+        List<Object> alreadyLinkeddv_ids = em.createNativeQuery("SELECT linkingdataverse_id FROM datasetlinkingdataverse WHERE dataset_id = " + dataset.getId()).getResultList();
+        List<Dataverse> dataverseList = new ArrayList<>();
+        if (alreadyLinkeddv_ids != null && !alreadyLinkeddv_ids.isEmpty()) {
+            alreadyLinkeddv_ids.stream().map((testDVId) -> this.find(testDVId)).forEachOrdered((dataverse) -> {
+                if (this.permissionService.requestOn(req, dataverse).has(Permission.PublishDataset)) {
+                    dataverseList.add(dataverse);
+                }
+            });
+        }
+        return dataverseList;
+    }
+
     public List<Dataverse> filterDataversesForHosting(String pattern, DataverseRequest req) {
 
         // Find the dataverses matching the search parameters: 

src/main/java/edu/harvard/iq/dataverse/engine/command/impl/DeleteDatasetLinkingDataverseCommand.java

@@ -8,25 +8,22 @@
 import edu.harvard.iq.dataverse.Dataset;
 import edu.harvard.iq.dataverse.DatasetLinkingDataverse;
 import edu.harvard.iq.dataverse.authorization.Permission;
-import edu.harvard.iq.dataverse.authorization.users.AuthenticatedUser;
 import edu.harvard.iq.dataverse.batch.util.LoggingUtil;
 import edu.harvard.iq.dataverse.engine.command.AbstractCommand;
 import edu.harvard.iq.dataverse.engine.command.CommandContext;
 import edu.harvard.iq.dataverse.engine.command.DataverseRequest;
 import edu.harvard.iq.dataverse.engine.command.RequiredPermissions;
 import edu.harvard.iq.dataverse.engine.command.exception.CommandException;
-import edu.harvard.iq.dataverse.engine.command.exception.PermissionException;
 import java.io.IOException;
-import java.util.Collections;
-import java.util.concurrent.Future;
+
 import org.apache.solr.client.solrj.SolrServerException;
 
 /**
  *
  * @author sarahferry
  */
 
-@RequiredPermissions( Permission.EditDataset )
+@RequiredPermissions( Permission.PublishDataset )
 public class DeleteDatasetLinkingDataverseCommand extends AbstractCommand<Dataset>{
     private final DatasetLinkingDataverse doomed;
     private final Dataset editedDs;
@@ -41,10 +38,6 @@ public DeleteDatasetLinkingDataverseCommand(DataverseRequest aRequest, Dataset e
 
     @Override
     public Dataset execute(CommandContext ctxt) throws CommandException {
-        if ((!(getUser() instanceof AuthenticatedUser) || !getUser().isSuperuser())) {
-            throw new PermissionException("Delete dataset linking dataverse can only be called by superusers.",
-                    this, Collections.singleton(Permission.EditDataset), editedDs);
-        }
         Dataset merged = ctxt.em().merge(editedDs);
         DatasetLinkingDataverse doomedAndMerged = ctxt.em().merge(doomed);
         ctxt.em().remove(doomedAndMerged);

src/main/java/propertyFiles/Bundle.properties

@@ -899,6 +899,8 @@ dataverse.link.dataset.none=No linkable dataverses available.
 dataverse.link.no.choice=You have one dataverse you can add linked dataverses and datasets in.
 dataverse.link.no.linkable=To be able to link a dataverse or dataset, you need to have your own dataverse. Create a dataverse to get started.
 dataverse.link.no.linkable.remaining=You have already linked all of your eligible dataverses.
+dataverse.unlink.dataset.choose=Enter the name of the dataverse you would like to unlink this dataset from.
+dataverse.unlink.dataset.none=No linked dataverses available.
 dataverse.savedsearch.link=Link Search
 dataverse.savedsearch.searchquery=Search
 dataverse.savedsearch.filterQueries=Facets
@@ -912,6 +914,7 @@ dataverse.linked.success= {0} has been successfully linked to {1}.
 dataverse.linked.success.wait= {0} has been successfully linked to {1}. Please wait for its contents to appear.
 dataverse.linked.internalerror={0} has been successfully linked to {1} but contents will not appear until an internal error has been fixed.
 dataverse.linked.error.alreadyLinked={0} has already been linked to {1}.
+dataverse.unlinked.success= {0} has been successfully unlinked from {1}.
 dataverse.page.pre=Previous
 dataverse.page.next=Next
 dataverse.byCategory=Dataverses by Category
@@ -1423,6 +1426,7 @@ dataset.accessBtn.too.big=The dataset is too large to download. Please select th
 dataset.accessBtn.original.too.big=The dataset is too large to download in the original format. Please select the files you need from the files table.
 dataset.accessBtn.archival.too.big=The dataset is too large to download in the archival format. Please select the files you need from the files table.
 dataset.linkBtn=Link Dataset
+dataset.unlinkBtn=Unlink Dataset
 dataset.contactBtn=Contact Owner
 dataset.shareBtn=Share
 
@@ -1530,6 +1534,8 @@ dataset.link.not.to.parent.dataverse=Can't link a dataset to its parent datavers
 dataset.link.not.published=Can't link a dataset that has not been published
 dataset.link.not.available=Can't link a dataset that has not been published or is not harvested
 dataset.link.not.already.linked=Can't link a dataset that has already been linked to this dataverse
+dataset.unlink.title=Unlink Dataset
+dataset.unlink.delete=Remove Linked Dataset
 dataset.email.datasetContactTitle=Contact Dataset Owner
 dataset.email.hiddenMessage= 
 dataset.email.messageSubject=Test Message Subject
@@ -1611,6 +1617,7 @@ dataset.message.createSuccess=This dataset has been created.
 dataset.message.createSuccess.failedToSaveFiles=Partial Success: The dataset has been created. But the file(s) could not be saved. Please try uploading the file(s) again.
 dataset.message.createSuccess.partialSuccessSavingFiles=Partial Success: The dataset has been created. But only {0} out of {1} files have been saved. Please try uploading the missing file(s) again.
 dataset.message.linkSuccess= {0} has been successfully linked to {1}.
+dataset.message.unlinkSuccess= {0} has been successfully unlinked from {1}.
 dataset.message.metadataSuccess=The metadata for this dataset have been updated.
 dataset.message.termsSuccess=The terms for this dataset have been updated.
 dataset.message.filesSuccess=One or more files have been updated.
@@ -2546,6 +2553,7 @@ dataset.registered.msg=Your dataset is now registered.
 dataset.notlinked=DatasetNotLinked
 dataset.notlinked.msg=There was a problem linking this dataset to yours:
 dataset.linking.popop.already.linked.note=Note: This dataset is already linked to the following dataverse(s):  
+dataset.linking.popup.not.linked.note=Note: This dataset is not linked to any of your accessible dataverses
 datasetversion.archive.success=Archival copy of Version successfully submitted
 datasetversion.archive.failure=Error in submitting an archival copy 
 datasetversion.update.failure=Dataset Version Update failed. Changes are still in the DRAFT version.

src/main/webapp/dataset.xhtml

@@ -522,6 +522,16 @@
                                                 </p:commandLink>
                                             </div>
                                             <!-- END: LINK -->
+                                            <!-- UNLINK -->
+                                            <div class="btn-group btn-group-justified" jsf:rendered="#{dataverseSession.user.authenticated and !DatasetPage.workingVersion.deaccessioned and DatasetPage.dataset.released}">
+                                                <p:commandLink styleClass="btn btn-default btn-access btn-xs btn-block btn-link-dataset"
+                                                               action="#{DatasetPage.setShowUnLinkingPopup(true)}"
+                                                               oncomplete="PF('unlinkDatasetForm').show();"
+                                                               update="@form">
+                                                    #{bundle['dataset.unlinkBtn']}
+                                                </p:commandLink>
+                                            </div>
+                                            <!-- END: UNLINK -->
 
                                             <!-- Contact/Share Button Group -->
                                             <div class="btn-group btn-group-justified">
@@ -1697,6 +1707,72 @@
                         </div>
                     </p:dialog>
                     <p:remoteCommand name="linkDatasetCommand" oncomplete="PF('linkDatasetForm').hide();" update=":messagePanel  @([id$=Messages])" actionListener="#{DatasetPage.saveLinkingDataverses}"/>
+                    <p:dialog id="unlinkDatasetForm" styleClass="largePopUp" header="#{bundle['dataset.unlink.title']}" widgetVar="unlinkDatasetForm" modal="true" rendered="#{DatasetPage.showUnLinkingPopup}">
+                        <p:focus for="dataverseUnLinkName"/>
+                        <div class="form-horizontal">
+                            <p class="help-block">
+                                <h:outputFormat value="#{bundle['dataverse.unlink.dataset.choose']}" escape="false">
+                                    <o:param>
+                                        <p:commandLink value="#{settingsWrapper.supportTeamName}" oncomplete="PF('unlinkDatasetForm').hide();PF('contactForm').show()" update=":contactDialog" actionListener="#{sendFeedbackDialog.initUserInput}">
+                                            <f:setPropertyActionListener target="#{sendFeedbackDialog.messageSubject}" value=""/>
+                                            <f:setPropertyActionListener target="#{sendFeedbackDialog.recipient}" value="#{null}"/>
+                                            <f:setPropertyActionListener target="#{sendFeedbackDialog.userMessage}" value=""/>
+                                            <f:setPropertyActionListener target="#{sendFeedbackDialog.userEmail}" value=""/>
+                                        </p:commandLink>
+                                    </o:param>
+                                </h:outputFormat>
+                            </p>
+                            <div class="form-group">
+                                <label class="col-xs-3 control-label">
+                                    <h:outputText value="#{bundle['dataverse.link.yourDataverses']}"/>
+                                </label>
+                                <div class="col-xs-8">
+                                    <p:fragment id="unlinkNameContent">
+                                        <p:autoComplete id="dataverseUnLinkName"
+                                                        placeholder="#{bundle['dataverse.link.yourDataverses.inputPlaceholder']}"
+                                                        emptyMessage="#{bundle['dataverse.unlink.dataset.none']}"
+                                                        scrollHeight="180" forceSelection="true"
+                                                        minQueryLength="1" queryDelay="1000"
+                                                        value="#{DatasetPage.selectedDataverseForLinking}"
+                                                        multiple="false"
+                                                        completeMethod="#{DatasetPage.completeUnLinkingDataverse}"
+                                                        required="#{param['DO_DS_LINK_VALIDATION']}" requiredMessage="#{bundle['dataverse.link.select']}"
+                                                        styleClass="DropdownPopup" panelStyleClass="DropdownPopupPanel"
+                                                        var="dataverseLk" itemLabel="#{dataverseLk.displayName}" itemValue="#{dataverseLk}" converter="dataverseConverter">
+                                            <p:column>
+                                                <h:outputText value="#{dataverseLk.displayName}"/>
+                                            </p:column>
+                                            <p:column>
+                                                <h:outputText value="#{dataverseLk.alias}"/>
+                                            </p:column>
+                                            <p:ajax process="@this" event="itemSelect" />
+                                            <p:ajax process="@this" event="itemUnselect" />
+                                        </p:autoComplete>
+                                        <p:message for="dataverseUnLinkName"/>
+                                    </p:fragment>
+                                </div>
+                            </div>
+                        </div>
+                        <div>
+                            <p:fragment rendered="#{empty DatasetPage.alreadyLinkedDataverses}">
+                                <h:outputLabel value="#{bundle['dataset.linking.popup.not.linked.note']}"/>&#160;
+                                <h:outputText value=""/>
+                            </p:fragment>
+                        </div>
+                        <div class="button-block">
+                            <p:commandButton id="deleteLinkButton" styleClass="btn btn-default"
+                                             update="linkNameContent @([id$=Messages])"
+                                             oncomplete="if (args &amp;&amp; !args.validationFailed) unlinkDatasetCommand();"
+                                             value="#{bundle['dataset.unlink.delete']}">
+                                <f:param name="DO_DS_LINK_VALIDATION" value="true"/>
+                            </p:commandButton>
+                            <button class="btn btn-link" onclick="PF('unlinkDatasetForm').hide();
+                                    PF('blockDatasetForm').hide();" type="button">
+                                #{bundle.cancel}
+                            </button>
+                        </div>
+                    </p:dialog>
+                    <p:remoteCommand name="unlinkDatasetCommand" oncomplete="PF('unlinkDatasetForm').hide();" update=":messagePanel  @([id$=Messages])" actionListener="#{DatasetPage.deleteLinkingDataverses}"/>
                     <p:dialog id="computeBatchListPopup" header="#{bundle['dataset.compute.computeBatchListHeader']}" widgetVar="computeBatchListPopup" modal="true">
                         <div class="text-right">
                             <!-- Clear link -->