Method handleDoc

app/scanningcabinet/handler.go:513–578

(w http.ResponseWriter, r *http.Request)

}

func (h *handler) handleDoc(w http.ResponseWriter, r *http.Request) {
	urlFields := strings.Split(r.URL.Path, "/")
	if len(urlFields) < 3 {
		http.Error(w, "no document blobref", http.StatusBadRequest)
		return
	}

	docRef, ok := blob.Parse(urlFields[2])
	if !ok {
		http.Error(w, fmt.Sprintf("invalid document blobref: %q", urlFields[2]), http.StatusBadRequest)
		return
	}
	document, err := h.fetchDocument(docRef)
	if err != nil {
		http.Redirect(w, r, fmt.Sprintf("%s?error_message=DocRef+%s+not+found", baseURL(r), docRef), http.StatusFound)
		return
	}

	var pages []mediaObject
	for _, v := range document.pages {
		// TODO(mpl): group fetch ?
		page, err := h.fetchScan(v)
		if err != nil {
			httputil.ServeError(w, r, fmt.Errorf("could not fetch page %v for document %v: %v", v, document.permanode, err))
			return
		}
		pages = append(pages, page)
	}
	var size int
	size = 1200
	if sizeParam := r.FormValue("size"); sizeParam != "" {
		sizeint, err := strconv.Atoi(sizeParam)
		if err != nil {
			httputil.ServeError(w, r, fmt.Errorf("invalid size param %q: %v", sizeParam, err))
			return
		}
		size = sizeint
	}
	show_single_list := size > 600

	allTags, err := h.fetchTags()
	if err != nil {
		httputil.ServeError(w, r, err)
		return
	}

	d := struct {
		BaseURL        string
		Pages          []MediaObjectVM
		Doc            DocumentVM
		ShowSingleList bool
		Size           int
		AllTags        map[string]int
	}{
		BaseURL:        baseURL(r),
		Pages:          MakeMediaObjectViewModels(pages),
		Doc:            document.MakeViewModel(),
		ShowSingleList: show_single_list,