package org.litesoft.datt.client.support;

import org.litesoft.bo.views.*;
import org.litesoft.datt.client.boviews.*;

public class StoryScreenViewHelper {
    public static boolean assertStoryURL( StoryFindable pStoryFindable, ObjectURL pStoryURL ) {
        if ( pStoryURL == null ) {
            pStoryFindable.backToHome( "No Story Selected" );
            return false;
        }
        return true;
    }

    public static boolean requestRequiredStory( final StoryFindable pStoryFindable, ObjectURL pStoryURL, final Integer pRequestID ) {
        if ( !assertStoryURL( pStoryFindable, pStoryURL ) ) {
            return false;
        }
        StoryViewDataProvider.getInstance().requestRow( pStoryURL, new FetchRowDataProviderCallBack<StoryView>() {
            @Override
            public void success( StoryView pRow ) {
                if ( pRow != null ) {
                    pStoryFindable.foundStory( pRow, pRequestID );
                    return;
                }
                error( "Story Not Found" );
            }

            @Override
            public void error( String pError ) {
                pStoryFindable.backToHome( pError );
            }
        } );
        return true;
    }

    public static void requestOptionalStory( final StoryFindable pStoryFindable, ObjectURL pStoryURL, final Integer pRequestID ) {
        if ( pStoryURL != null ) {
            StoryViewDataProvider.getInstance().requestRow( pStoryURL, new FetchRowDataProviderCallBack<StoryView>() {
                @Override
                public void success( StoryView pRow ) {
                    if ( pRow != null ) {
                        pStoryFindable.foundStory( pRow, pRequestID );
                    }
                }

                @Override
                public void error( String pError ) {
                    pStoryFindable.getStatusMessageSinc().setErrorMessage( pError );
                }
            } );
        }
    }
}