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package org.openecomp.core.tools.concurrent;
import org.openecomp.core.tools.store.NotificationHandler;
import org.openecomp.core.tools.store.PermissionHandler;
import java.util.ArrayList;
import java.util.List;
import java.util.Optional;
import java.util.concurrent.Callable;
public class ItemAddContributorsTask implements Callable<String> {
private static final String CONTRIBUTOR = "Contributor";
private static final String SUCCESSFUL_RETURN_MESSAGE = "Users added successfully as " +
"contributors to item id:%s.";
private final String itemId;
private final List<String> users;
private final PermissionHandler permissionHandler;
private final NotificationHandler notificationHandler;
public ItemAddContributorsTask(PermissionHandler permissionHandler, NotificationHandler
notificationHandler, String itemId, List<String> users) {
this.itemId = itemId.trim();
this.users = new ArrayList<>(users);
this.permissionHandler = permissionHandler;
this.notificationHandler = notificationHandler;
}
@Override
public String call() {
users.forEach(this::handleUser);
return String.format(SUCCESSFUL_RETURN_MESSAGE, itemId);
}
private void handleUser(String user) {
Optional<String> userPermission = getUserPermission(user);
if (!userPermission.isPresent()) {
setUserPermission(user, CONTRIBUTOR);
registerUserNotificationSubscription(user);
}
}
private void registerUserNotificationSubscription(String user) {
notificationHandler.registerNotificationForUserOnEntity(user, itemId);
}
private void setUserPermission(String user, String permission) {
permissionHandler.setItemUserPermission(itemId, user, permission);
}
private Optional<String> getUserPermission(String user) {
return permissionHandler.getItemUserPermission(itemId, user);
}
}
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