gf-rc

<?php
class GW_Submit_Access_GravityForms_Restrict_Content {

    public function __construct( $args = array() ) {
        $this->_args = wp_parse_args( $args,
			array(
				'requires_submission_message'  => __( 'Oops! You do not have access to this page.' ),
				'requires_submission_link'  => __( 'click to submit form' ),
				'loading_message'              => ''
			)
		);
        add_action( 'init', array( $this, 'init' ) );
    }

	public function init() {

		if( ! property_exists( 'GFCommon', 'version' ) || ! version_compare( GFCommon::$version, '1.8', '>=' ) )
            return;

        if( empty( $this->_args['loading_message'] ) )
            $this->_args['loading_message'] = '<span class="GW_Submit_Access-loading"><img src="' . GFCommon::get_base_url() . '/images/spinner.gif" /></span>';

        add_filter('the_content', array( $this, 'maybe_hide_the_content' ) );
		add_filter('gform_entry_post_save',  array( $this, 'add_submitted_form_lead' ), 10, 2);
        add_action('wp_ajax_GW_Submit_Access_get_content', array( $this, 'ajax_get_content' ) );
        add_action('wp_ajax_nopriv_GW_Submit_Access_get_content', array( $this, 'ajax_get_content' ) );

	}

	public function maybe_hide_the_content( $content ) {

        global $post;
        if( ! get_post_meta( $post->ID , 'form_id', true ) )
            return $content;

		$ajax = ( get_post_meta( $post->ID, 'form_ajax', true ) == 1 ) ? true : false;

        if( $ajax )
            $content = $this->cache_bypass_content( $content );

		else if( ! $this->has_access( $post->ID ) )
            $content = $this->get_requires_submission_message( $post->ID );

        return $content;

	}

	function cache_bypass_content( $content ) {
        global $post;
        ob_start();
        ?>
        <div id="GW_Submit_Access-content">
            <?php echo $this->_args['loading_message']; ?>
        </div>
        <script type="text/javascript">
            var ajaxUrl = '<?php echo admin_url( 'admin-ajax.php' ); ?>';
            ( function( $ ) {
                $.post( ajaxUrl, {
                    action: 'GW_Submit_Access_get_content',
                    post:   <?php echo $post->ID; ?>
                }, function( response ) {
                    $( '#GW_Submit_Access-content' ).html( response );
                } );

            } )( jQuery );
        </script>
        <?php
        return ob_get_clean();
    }

    function ajax_get_content() {

        $post_id = rgpost( 'post' );

		if( $this->has_access( $post_id ) ) {

			$post = get_post( $post_id );
            $GLOBALS['post'] = get_post( $post_id );
            setup_postdata( $post );
            remove_filter( 'the_content', array( $this, 'maybe_hide_the_content' ) );
            ob_start();
            the_content();
            $content = ob_get_clean();

		}
		else
            $content = $this->get_requires_submission_message( $post_id );

        die( $content );
    }

	function get_requires_submission_message( $post_id ) {

        $requires_submission_message = do_shortcode( get_post_meta( $post_id, 'form_message', true ) );
		$requires_submission_message =  $requires_submission_message ? $requires_submission_message : $this->_args['requires_submission_message'];
        $requires_submission_url = get_post_meta( $post_id, 'form_url', true ) ? get_post_meta( $post_id, 'form_url', true ) : '';
		$title = get_post_meta( $post_id, 'form_title', true ) ? get_post_meta( $post_id, 'form_title', true ) : $this->_args['requires_submission_link'];
		$form_url =  ( $requires_submission_url && $requires_submission_url != '' ) ? '<br/><a href="'.$requires_submission_url.'">'.$title.'</a>' : '';

        return $requires_submission_message.$form_url;

	}

	function add_submitted_form_lead($lead, $form) {

		$submitted_forms_leads = isset( $_COOKIE['GW_Submit_Access_submitted_forms_leads'] ) ? (array) json_decode( $_COOKIE['GW_Submit_Access_submitted_forms_leads'] ) : array();

		$form_lead = $form['id'].'VSH'.$lead['id'];

		if( ! in_array( $form_lead, $submitted_forms_leads ) ) {
            $submitted_forms_leads[] = $form_lead;
            setcookie( 'GW_Submit_Access_submitted_forms_leads', json_encode( $submitted_forms_leads ), null, '/' );
        }

	}


    function has_access( $post_id ) {

        if( ! get_post_meta( $post_id , 'form_id', true ) )
            return true;

        $form_ids        = array_filter( array_map( 'trim', explode( ',', get_post_meta( $post_id, 'form_id', true ) ) ) );

		$submitted_forms_leads = (array) json_decode( stripslashes( rgar( $_COOKIE, 'GW_Submit_Access_submitted_forms_leads' ) ) );

		$submitted_forms = array();
		$submitted_leads = array();

		foreach ( (array) $submitted_forms_leads as $form_lead ) {
			list($form_id, $lead_id) = explode("VSH", $form_lead );
			$submitted_forms[] = $form_id;
			$submitted_leads[] = $lead_id;
		}


		if( empty( $form_ids ) && ! empty( $submitted_forms ) ) {
            return true;
        }

		$matching_form_ids = array_intersect( $form_ids, $submitted_forms );

		if( empty( $matching_form_ids ) or empty( $submitted_leads ) )
			return false;


		foreach ( (array) $submitted_leads as $lead_id )  {

			$lead = array();

			$lead = RGFormsModel::get_lead($lead_id);

			$form_id = $lead['form_id'];

			$success = false;

			if ( in_array ( $form_id , $matching_form_ids) ) {

				if	(  isset($lead['payment_method']) || gform_get_meta($lead['id'], 'payment_gateway') ) {

					if ( isset($lead['payment_status']) and ( strtolower($lead['payment_status']) == 'paid' || strtolower($lead['payment_status']) == 'active' ) ) {
						$success = true;
						break;
					}
				}
				else {
					$success = true;
					break;
				}
			}
		}

		if(	$success == true )
            return true;


		return false;

	}

}
new GW_Submit_Access_GravityForms_Restrict_Content();