Beaver Builder Filter Hook: fl_builder_loop_query_args To Filter by Meta Keys

bb-loop-query-args.php

/**
 * Add this to the child theme's functions.php file.
 */ 
add_filter( 'fl_builder_loop_query_args', function( $query_args ){
    $today = date( 'd.m.Y', time() );

    // Past ( today > start_date )
    if ( 'PAST_POST_MODULE_ID_HERE' == $query_args[ 'settings' ]->id ) { 
        $query_args[ 'meta_query' ] = 	array(
	        'key'       => 'end_date',
	        'value'     => $today,
	        'type'      => 'date',
	        'compare'   => '<'
	    );
    }

    // Future ( today < start_date )
    if ( 'FUTURE_POST_MODULE_ID_HERE' == $query_args[ 'settings' ]->id ) { 
        $query_args[ 'meta_query' ] = 	array(
	        'key'       => 'start_date',
	        'value'     => $today,
	        'type'      => 'date',
	        'compare'   => '>'
	    );
    }
  	
    // Current ( start_date <= today <= end_date ) 
    if ( 'CURRENT_POST_MODULE_ID_HERE' == $query_args[ 'settings' ]->id ) { 
        $query_args[ 'meta_query' ] = array(
		'relation'	=> 'AND',
		array(
			'key'	=> 'start_date',
			'value'	=> $today,
			'type'	=> 'date',
			'compare'=> '>='
		),
		array(
			'key'	=> 'end_date',
			'value'	=> $today,
			'type'	=> 'date',
			'compare' => '<='
		)
	)   
    }

    return $query_args;	
} );