func handler_publish(w http.ResponseWriter, r *http.Request) {
json := r.FormValue("pkg")
if json == "" {
http.Error(w, "Form value pkg is empty!", http.StatusBadRequest)
return
}
// unmarshal PackageMeta from json
meta := new(gopm_index.PackageMeta)
err := meta.FromJson([]byte(json))
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
// check name uniqueness in the database
ctx := appengine.NewContext(r)
key := datastore.NewKey(ctx, "PackageMeta", meta.Name, 0, nil)
entity := new(gopm_index.PackageMeta)
err = datastore.Get(ctx, key, entity)
if err == nil {
http.Error(w, fmt.Sprintf("The package name '%v' already exists in the index registry.\n", meta.Name), http.StatusInternalServerError)
return
}
if err != datastore.ErrNoSuchEntity {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
_, err = datastore.Put(ctx, key, meta)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
update_full_index(ctx, w)
fmt.Printf("Published a package '%v'\n", meta.Name)
}
