blob: 8af58fd4f383b1f6f023efbaa066af540d0d6235 [file] [log] [blame]
// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package frontend
import (
// GetLatestInfo returns various pieces of information about the latest
// versions of a unit and module:
// - The linkable form of the minor version of the unit.
// - The latest module path and the full unit path of any major version found given the
// fullPath and the modulePath.
// It returns empty strings on error.
// It is intended to be used as an argument to middleware.LatestVersions.
func (s *Server) GetLatestInfo(ctx context.Context, unitPath, modulePath string, latestUnitMeta *internal.UnitMeta) internal.LatestInfo {
defer stats.Elapsed(ctx, "GetLatestInfo")()
// It is okay to use a different DataSource (DB connection) than the rest of the
// request, because this makes self-contained calls on the DB.
ds := s.getDataSource(ctx)
latest, err := ds.GetLatestInfo(ctx, unitPath, modulePath, latestUnitMeta)
if err != nil {
log.Errorf(ctx, "Server.GetLatestInfo: %v", err)
} else {
latest.MinorVersion = versions.LinkVersion(latest.MinorModulePath, latest.MinorVersion, latest.MinorVersion)
return latest