Allow users to create a new group

Signed-off-by: Shawn O. Pearce <sop@google.com>

appjar/src/main/java/com/google/gerrit/client/admin/AdminConstants.java

@@ -23,9 +23,11 @@ public interface AdminConstants extends Constants {
   String buttonAddGroupMember();
   String buttonSaveDescription();
   String buttonRenameGroup();
+  String buttonCreateGroup();
 
   String headingDescription();
   String headingMembers();
+  String headingCreateGroup();
 
   String columnMember();
   String columnEmailAddress();

appjar/src/main/java/com/google/gerrit/client/admin/AdminConstants.properties

@@ -4,9 +4,11 @@ buttonDeleteGroupMembers = Delete
 buttonAddGroupMember = Add
 buttonRenameGroup = Rename Group
 buttonSaveDescription = Save Description
+buttonCreateGroup = Create Group 
 
 headingDescription = Description
 headingMembers = Members
+headingCreateGroup = Create New Group
 
 columnMember = Member
 columnEmailAddress = Email Address

appjar/src/main/java/com/google/gerrit/client/admin/GroupAdminService.java

@@ -26,11 +26,15 @@ import java.util.Set;
 
 public interface GroupAdminService extends RemoteJsonService {
   /** Special group, which must not be renamed as its "blessed". */
-  public static final AccountGroup.NameKey ADMIN_GROUP = new AccountGroup.NameKey("admin"); 
+  public static final AccountGroup.NameKey ADMIN_GROUP =
+      new AccountGroup.NameKey("admin");
 
   @SignInRequired
   void ownedGroups(AsyncCallback<List<AccountGroup>> callback);
 
+  @SignInRequired
+  void createGroup(String newName, AsyncCallback<AccountGroup.Id> callback);
+
   @SignInRequired
   void groupDetail(AccountGroup.Id groupId,
       AsyncCallback<AccountGroupDetail> callback);

appjar/src/main/java/com/google/gerrit/client/admin/GroupAdminServiceImpl.java

@@ -27,6 +27,7 @@ import com.google.gwt.user.client.rpc.AsyncCallback;
 import com.google.gwtjsonrpc.client.VoidResult;
 import com.google.gwtorm.client.OrmException;
 import com.google.gwtorm.client.SchemaFactory;
+import com.google.gwtorm.client.Transaction;
 
 import java.util.ArrayList;
 import java.util.Collections;
@@ -62,6 +63,43 @@ public class GroupAdminServiceImpl extends BaseServiceImplementation implements
     });
   }
 
+  public void createGroup(final String newName,
+      final AsyncCallback<AccountGroup.Id> callback) {
+    run(callback, new Action<AccountGroup.Id>() {
+      public AccountGroup.Id run(final ReviewDb db) throws OrmException,
+          Failure {
+        final AccountGroup.NameKey nameKey = new AccountGroup.NameKey(newName);
+        if (nameKey.equals(ADMIN_GROUP)) {
+          // Forbid creating the admin group, its highly special because it
+          // has near root level access to the server, based upon its name.
+          //
+          throw new Failure(new NameAlreadyUsedException());
+        }
+
+        if (db.accountGroups().get(nameKey) != null) {
+          throw new Failure(new NameAlreadyUsedException());
+        }
+
+        final AccountGroup group =
+            new AccountGroup(nameKey, new AccountGroup.Id(db
+                .nextAccountGroupId()));
+        group.setNameKey(nameKey);
+        group.setDescription("");
+
+        final AccountGroupMember m =
+            new AccountGroupMember(new AccountGroupMember.Key(RpcUtil
+                .getAccountId(), group.getId()));
+        m.setGroupOwner(true);
+
+        final Transaction txn = db.beginTransaction();
+        db.accountGroups().insert(Collections.singleton(group), txn);
+        db.accountGroupMembers().insert(Collections.singleton(m), txn);
+        txn.commit();
+        return group.getId();
+      }
+    });
+  }
+
   public void groupDetail(final AccountGroup.Id groupId,
       final AsyncCallback<AccountGroupDetail> callback) {
     run(callback, new Action<AccountGroupDetail>() {

appjar/src/main/java/com/google/gerrit/client/admin/GroupListScreen.java

@@ -20,9 +20,15 @@ import com.google.gerrit.client.rpc.GerritCallback;
 import com.google.gerrit.client.ui.AccountScreen;
 import com.google.gerrit.client.ui.FancyFlexTable;
 import com.google.gwt.user.client.History;
+import com.google.gwt.user.client.ui.Button;
+import com.google.gwt.user.client.ui.ClickListener;
 import com.google.gwt.user.client.ui.Hyperlink;
+import com.google.gwt.user.client.ui.Label;
 import com.google.gwt.user.client.ui.SourcesTableEvents;
 import com.google.gwt.user.client.ui.TableListener;
+import com.google.gwt.user.client.ui.TextBox;
+import com.google.gwt.user.client.ui.VerticalPanel;
+import com.google.gwt.user.client.ui.Widget;
 import com.google.gwt.user.client.ui.FlexTable.FlexCellFormatter;
 
 import java.util.List;
@@ -30,6 +36,9 @@ import java.util.List;
 public class GroupListScreen extends AccountScreen {
   private GroupTable groups;
 
+  private TextBox addTxt;
+  private Button addNew;
+
   public GroupListScreen() {
     super(Util.C.groupListTitle());
   }
@@ -59,6 +68,38 @@ public class GroupListScreen extends AccountScreen {
     groups = new GroupTable();
     groups.setSavePointerId(Link.ADMIN_GROUPS);
     add(groups);
+
+    final VerticalPanel fp = new VerticalPanel();
+    fp.setStyleName("gerrit-AddSshKeyPanel");
+    final Label hdr = new Label(Util.C.headingCreateGroup());
+    hdr.setStyleName("gerrit-SmallHeading");
+    fp.add(hdr);
+
+    addTxt = new TextBox();
+    addTxt.setVisibleLength(60);
+    fp.add(addTxt);
+
+    addNew = new Button(Util.C.buttonCreateGroup());
+    addNew.addClickListener(new ClickListener() {
+      public void onClick(final Widget sender) {
+        doCreateGroup();
+      }
+    });
+    fp.add(addNew);
+    add(fp);
+  }
+
+  private void doCreateGroup() {
+    final String newName = addTxt.getText();
+    if (newName == null || newName.length() == 0) {
+      return;
+    }
+
+    Util.GROUP_SVC.createGroup(newName, new GerritCallback<AccountGroup.Id>() {
+      public void onSuccess(final AccountGroup.Id result) {
+        History.newItem(Link.toAccountGroup(result));
+      }
+    });
   }
 
   private class GroupTable extends FancyFlexTable<AccountGroup> {