gocodebox/lifterlms

// WordPress dependencies.
import { registerBlockType } from '@wordpress/blocks';
import {
    PanelBody,
    Disabled,
    Spinner,
} from '@wordpress/components';
import {
    InspectorControls,
    useBlockProps,
} from '@wordpress/block-editor';
import { __ } from '@wordpress/i18n';
import ServerSideRender from '@wordpress/server-side-render';
import { useMemo } from '@wordpress/element';

// Internal dependencies.
import blockJson from './block.json';
import Icon from './icon.jsx';
import { usePostOptions, PostSelect } from '../../../packages/components/src/post-select';

const Edit = ( props ) => {
    const { attributes } = props;
    const blockProps = useBlockProps();
    const courseOptions = usePostOptions();

    const memoizedServerSideRender = useMemo( () => {
        let emptyPlaceholder = __( 'No meta information available for this course. This block will not be displayed.', 'lifterlms' );

        if ( ! attributes.course_id && courseOptions.length > 0 ) {
            emptyPlaceholder = __( 'No course selected. Please choose a Course from the block sidebar panel.', 'lifterlms' );
        }

        return <ServerSideRender
            block={ blockJson.name }
            attributes={ attributes }
            LoadingResponsePlaceholder={ () =>
                <Spinner />
            }
            ErrorResponsePlaceholder={ () =>
                <p className={ 'llms-block-error' }>{ __( 'Error loading content. Please check block settings are valid. This block will not be displayed.', 'lifterlms' ) }</p>
            }
            EmptyResponsePlaceholder={ () =>
                <p className={ 'llms-block-empty' }>{ emptyPlaceholder }</p>
            }
        />;
    }, [ attributes ] );

    return <>
        <InspectorControls>
            <PanelBody
                title={ __( 'Course Meta Info Settings', 'lifterlms' ) }
            >
                <PostSelect { ...props } />
            </PanelBody>
        </InspectorControls>
        <div { ...blockProps }>
            <Disabled>
                { memoizedServerSideRender }
            </Disabled>
        </div>
    </>;
};

registerBlockType( blockJson, {
    icon: Icon,
    edit: Edit,
} );