Allow Users to Skip Workflow by Oasis Workflow Pro for Tagged Posts

/**
 * Enable support for post tags on pages.
 */
function owf_add_tags_to_pages() {
	register_taxonomy_for_object_type( 'post_tag', 'page' );
}
add_action( 'init', 'owf_add_tags_to_pages' );

// Add action to both front-end and admin to conditionally hide the Beaver Builder publish button.
add_action( 'admin_head', 'owf_hide_bb_publish_button' );
add_action( 'wp_head', 'owf_hide_bb_publish_button' );

/**
 * Conditionally hides the Beaver Builder "Publish" button if the current user cannot skip workflow
 * and the post/page does not have the 'skip' tag.
 */
function owf_hide_bb_publish_button() {
    // Only proceed if on admin screen or a single post/page on front-end
    if ( ! is_admin() && ! is_singular() ) {
        return;
    }

    global $post;

    // Ensure post object is available and has an ID
    if ( empty( $post ) || ! isset( $post->ID ) ) {
        return;
    }

    $post_id = $post->ID;

    // If user has permission to skip workflow or post has 'skip' tag, do not hide the button
    if ( current_user_can( 'ow_skip_workflow' ) || has_tag( 'skip', $post_id ) ) {
        error_log( "ow_skip_workflow $post_id" );
        return;
    }

    // Output inline CSS to hide the Beaver Builder publish button
    echo '<style>
        .fl-builder-actions .fl-builder-button.fl-builder-publish-button,
        .fl-builder-button-group span.fl-builder-button[data-action="publish"] {
            display: none !important;
        }
    </style>';
}

/**
 * Dynamically grants the 'ow_skip_workflow' capability if the post or page has the 'skip' tag.
 *
 * @param array $allcaps All the capabilities of the user.
 * @param array $caps    Required capabilities for the requested action.
 * @param array $args    Additional arguments (includes the capability name and post ID).
 * @param WP_User $user  The user object.
 *
 * @return array Modified capabilities.
 */
function owf_dynamic_skip_workflow_capability( $allcaps, $caps, $args, $user ) {
	// Ensure required arguments are present.
	if ( empty( $args[0] ) || empty( $args[2] ) ) {
		return $allcaps;
	}

	$capability = $args[0];

	// List of post-related capabilities to check.
	$post_related_caps = array(
		'edit_post',
		'read_post', 
		'edit_posts',
		'edit_page',
		'read_page',
		'edit_pages',
		'publish_pages',
		'publish_posts',
	);

	// Only process post-related capabilities.
	if ( ! in_array( $capability, $post_related_caps ) ) {
		return $allcaps;
	}

	$post_id = $args[2];
	$post = get_post( $post_id );

	// Ensure the post exists and is a valid type.
	if ( ! $post || ! in_array( $post->post_type, array( 'post', 'page' ) ) ) {
		return $allcaps;
	}

	// Grant skip workflow capability if the 'skip' tag is present.
	if ( has_tag( 'skip', $post_id ) ) {
		$allcaps['ow_skip_workflow'] = true;
	}

	return $allcaps;
}
add_filter( 'user_has_cap', 'owf_dynamic_skip_workflow_capability', 30, 4 );

/**
 * Callback to allow skipping workflow if the post or page has the 'skip' tag.
 *
 * @param int $post_id The post ID.
 *
 * @return bool True if the workflow should be skipped.
 */
function owf_skip_workflow_cb( $post_id ) {
	$post = get_post( $post_id );

	if ( ! $post || ! in_array( $post->post_type, array( 'post', 'page' ) ) ) {
		return false;
	}

	if ( has_tag( 'skip', $post_id ) ) {
		return true;
	}

	return false;
}
add_filter( 'owf_skip_workflow', 'owf_skip_workflow_cb', 10, 1 );

/**
 * Modifies the workflow role applicability response to allow skipping workflow
 * when the post or page has the 'skip' tag.
 *
 * @param array $response The original response.
 * @param int $post_id    The post ID.
 *
 * @return array Modified response with 'can_skip_workflow' set to true if applicable.
 */
function owf_filter_workflow_role_applicable_response( $response, $post_id ) {
	$post = get_post( $post_id );

	if ( ! $post || ! in_array( $post->post_type, array( 'post', 'page' ) ) ) {
		return $response;
	}

	if ( has_tag( 'skip', $post_id ) ) {
		$response['can_skip_workflow'] = true;
	}

	return $response;
}
add_filter( 'ow_is_role_applicable', 'owf_filter_workflow_role_applicable_response', 10, 2 );