diff options
| -rw-r--r-- | cmd/iiifdownloader/main.go | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/cmd/iiifdownloader/main.go b/cmd/iiifdownloader/main.go index 7329549..3572dae 100644 --- a/cmd/iiifdownloader/main.go +++ b/cmd/iiifdownloader/main.go @@ -21,6 +21,7 @@ Currently supports the following IIIF using services: ` const bnfPrefix = `https://gallica.bnf.fr/ark:/` +const bsbPrefix = `https://reader.digitale-sammlungen.de/de/fs1/object/display/` func filesAreIdentical(fn1, fn2 string) (bool, error) { f1, err := os.Open(fn1) @@ -50,6 +51,14 @@ func filesAreIdentical(fn1, fn2 string) (bool, error) { return true, nil } +func parseMets(url string) ([]string, error) { + var urls []string + // TODO: download and parse xml; + // https://daten.digitale-sammlungen.de/~db/mets/bsb11274872_mets.xml + // mets:mets -> mets:fileSec -> mets:fileGrp USE="MAX" -> mets:file -> mets:FLocat xlink:href + return urls, nil +} + func main() { flag.Usage = func() { fmt.Fprintf(flag.CommandLine.Output(), usage) @@ -67,8 +76,9 @@ func main() { var bookdir string var pgurlStart, pgurlEnd string var pgurlAltStart, pgurlAltEnd string - //var pgNums []int + var pgUrls []string var noPgNums bool + var err error switch { case strings.HasPrefix(url, bnfPrefix): @@ -94,16 +104,30 @@ func main() { // the missing ones in less good quality from an alternative URL. pgurlAltStart = "https://gallica.bnf.fr/ark:/" + bookid + "/f" pgurlAltEnd = ".highres" + case strings.HasPrefix(url, bsbPrefix): + f := strings.Split(url[len(bsbPrefix):], "_") + if len(f) < 2 { + log.Fatalln("Failed to extract BNF book ID from URL") + } + bookid := f[0] + metsurl := "https://daten.digitale-sammlungen.de/~db/mets/" + bookid + "_mets.xml" + + pgUrls, err = parseMets(metsurl) + if err != nil { + log.Fatalf("Error parsing mets url %s: %v\n", metsurl, err) + } default: log.Fatalln("Error: generic IIIF downloading not supported yet") } - err := os.MkdirAll(bookdir, 0777) + err = os.MkdirAll(bookdir, 0777) if err != nil { log.Fatalf("Error creating book dir: %v\n", err) } - if noPgNums { + if len(pgUrls) > 0 { + fmt.Printf("I'll do something proper with these urls: %v\n", pgUrls) + } else if noPgNums { pgnum := 0 for { pgnum++ |