Esempio n. 1
0
File: print.go Progetto: jjmiv/gddo
func printPresentation(path string) {
	pres, err := gosrc.GetPresentation(http.DefaultClient, path)
	if err != nil {
		log.Fatal(err)
	}
	fmt.Printf("%s\n", pres.Files[pres.Filename])
	for name, data := range pres.Files {
		if name != pres.Filename {
			fmt.Printf("---------- %s ----------\n%s\n", name, data)
		}
	}
}
Esempio n. 2
0
func servePresentation(w http.ResponseWriter, r *http.Request) error {
	c := appengine.NewContext(r)
	importPath := r.URL.Path[1:]

	item, err := memcache.Get(c, importPath)
	if err == nil {
		writeHTMLHeader(w, 200)
		w.Write(item.Value)
		return nil
	} else if err != memcache.ErrCacheMiss {
		return err
	}

	c.Infof("Fetching presentation %s.", importPath)
	pres, err := gosrc.GetPresentation(httpClient(r), importPath)
	if err != nil {
		return err
	}

	ctx := &present.Context{
		ReadFile: func(name string) ([]byte, error) {
			if p, ok := pres.Files[name]; ok {
				return p, nil
			}
			return nil, presFileNotFoundError(name)
		},
	}

	doc, err := ctx.Parse(bytes.NewReader(pres.Files[pres.Filename]), pres.Filename, 0)
	if err != nil {
		return err
	}

	var buf bytes.Buffer
	if err := renderPresentation(&buf, importPath, doc); err != nil {
		return err
	}

	if err := memcache.Add(c, &memcache.Item{
		Key:        importPath,
		Value:      buf.Bytes(),
		Expiration: time.Hour,
	}); err != nil {
		return err
	}

	writeHTMLHeader(w, 200)
	_, err = w.Write(buf.Bytes())
	return err
}