// PutListHelepr saves the list and it's items to the datastore. If
// the list or any of it's items don't have a key, a key will be made
// for it.
func PutListHelper(c appengine.Context, w http.ResponseWriter,
r *http.Request, l *List) bool {
// This is the list of keys we are going to PutMulti.
keys := make([]string, 0, len(l.Items)+1)
// This is the list of things we are going to put.
values := make([]interface{}, 0, len(l.Items)+1)
// We need the key to generate new keys and we might not even have
// one.
var lkey *datastore.Key
var skey string
var ok bool
if l.Key != "" {
// Just convert the key we already have.
lkey, ok = gorca.StringToKey(c, w, r, l.Key)
if !ok {
return false
}
} else {
// Make a key and save it's value to the list.
skey, lkey, ok = gorca.NewKey(c, w, r, "List", nil)
if !ok {
return false
}
l.Key = skey
}
// Add the list itself.
keys = append(keys, l.Key)
values = append(values, l)
// Add the items in the list.
for _, item := range l.Items {
if item.Key != "" {
keys = append(keys, item.Key)
} else {
skey, _, ok := gorca.NewKey(c, w, r, "Item", lkey)
if !ok {
return false
}
item.Key = skey
keys = append(keys, skey)
}
values = append(values, item)
}
// Save them all.
return gorca.PutStringKeys(c, w, r, keys, values)
}
// PutLinkHelepr saves the link. If the link or any of it's items
// don't have a key, a key will be made for it.
func PutLinkHelper(c appengine.Context, w http.ResponseWriter,
r *http.Request, l *Link) bool {
// This is the link of keys we are going to PutMulti.
keys := make([]string, 0, 1)
// This is the link of things we are going to put.
values := make([]interface{}, 0, 1)
// TODO The words in the name should be part in the tags.
// We need the key to generate new keys and we might not even have
// one.
var skey string
var ok bool
if l.Key == "" {
// Make a key and save it's value to the link.
skey, _, ok = gorca.NewKey(c, w, r, "Link", nil)
if !ok {
return false
}
l.Key = skey
}
// Add the link itself.
keys = append(keys, l.Key)
values = append(values, l)
// Save them all.
return gorca.PutStringKeys(c, w, r, keys, values)
}
// PutRecipeHelepr saves the recipe to the datastore. If the recipe
// doesn't have a key, a key will be made for it.
func PutRecipeHelper(c appengine.Context, w http.ResponseWriter,
r *http.Request, l *Recipe) bool {
// We may need to make a key.
if l.Key == "" {
// Make a key and save it's value to the recipe.
skey, _, ok := gorca.NewKey(c, w, r, "Recipe", nil)
if !ok {
return false
}
l.Key = skey
}
// Save them all.
return gorca.PutStringKeys(c, w, r, []string{l.Key}, []interface{}{l})
}