// serveFile serves the relevant view when the subject in serveSubject // is a permanode with some content cref. It is meant to be called // from serveSubject. func (pr *publishRequest) serveFile(cref *blobref.BlobRef) error { des, err := pr.dr.DescribeSync(cref) if err != nil { pr.pf("<p>Error serving file</p>") return fmt.Errorf("Could not describe %v: %v", cref, err) } if des.File != nil { path := []*blobref.BlobRef{pr.subject, cref} downloadURL := pr.SubresFileURL(path, des.File.FileName) pr.pf("<div>File: %s, %d bytes, type %s</div>", html.EscapeString(des.File.FileName), des.File.Size, des.File.MIMEType) if des.File.IsImage() { pr.pf("<a href='%s'><img src='%s'></a>", downloadURL, pr.SubresThumbnailURL(path, des.File.FileName, 600)) } pr.pf("<div id='%s' class='camlifile'>[<a href='%s'>download</a>]</div>", cref.DomID(), downloadURL) } if strings.Contains(pr.subjectBasePath, resSeparator) { // this permanode has a "parent" collection. // so we send a deep request on the parent in order to get some info // about the siblings and build some "prev" and "next" nav links. // TODO(mpl): nav links everywhere, not just when showing a permanode // with some content. err := pr.serveNav() if err != nil { pr.pf("<p>Error building navs links</p>") return err } } return nil }