bp_nouveau_ajax_document_get_activity()

function bp_nouveau_ajax_document_get_activity() {
	$response = array(
		'feedback' => sprintf(
			'<div class="bp-feedback bp-messages error"><span class="bp-icon" aria-hidden="true"></span><p>%s</p></div>',
			esc_html__( 'There was a problem displaying the content. Please try again.', 'buddyboss' )
		),
	);

	// Nonce check!
	$nonce = filter_input( INPUT_POST, 'nonce', FILTER_SANITIZE_STRING );
	if ( empty( $nonce ) || ! wp_verify_nonce( $nonce, 'bp_nouveau_media' ) ) {
		wp_send_json_error( $response );
	}

	$post_id 	= filter_input( INPUT_POST, 'id', FILTER_VALIDATE_INT );
	$group_id 	= filter_input( INPUT_POST, 'group_id', FILTER_VALIDATE_INT );
	$author_id 	= filter_input( INPUT_POST, 'author', FILTER_VALIDATE_INT );

	// check activity is document or not.
	$document_activity = bp_activity_get_meta( $post_id, 'bp_document_activity', true );

	remove_action( 'bp_activity_entry_content', 'bp_document_activity_entry' );
	add_action( 'bp_before_activity_activity_content', 'bp_nouveau_document_activity_description' );
	add_filter( 'bp_get_activity_content_body', 'bp_nouveau_clear_activity_content_body', 99, 2 );

	if ( ! empty( $document_activity ) ) {
		$args = array(
			'include'     => $post_id,
			'privacy'     => false,
			'show_hidden' => true,
			'scope'       => 'document',
		);
	} else {
		if ( $group_id > 0 ) {
			$args = array(
				'include'     => $post_id,
				'object'      => buddypress()->groups->id,
				'primary_id'  => $group_id,
				'privacy'     => false,
				'scope'       => false,
				'show_hidden' => (bool) ( groups_is_user_member( bp_loggedin_user_id(), $group_id ) || bp_current_user_can( 'bp_moderate' ) ),
			);
		} else {
			$args = array(
				'include' => $post_id,
				'privacy' => false,
				'scope'   => false,
			);
		}
	}

	ob_start();
	if ( bp_has_activities( $args ) ) {
		while ( bp_activities() ) {
			bp_the_activity();
			bp_get_template_part( 'activity/entry' );
		}
	}
	$activity = ob_get_contents();
	ob_end_clean();

	remove_filter( 'bp_get_activity_content_body', 'bp_nouveau_clear_activity_content_body', 99, 2 );
	remove_action( 'bp_before_activity_activity_content', 'bp_nouveau_document_activity_description' );
	add_action( 'bp_activity_entry_content', 'bp_document_activity_entry' );

	wp_send_json_success(
		array(
			'activity' => $activity,
		)
	);
}