// AddFlashToCtx takes flash messages stored in a cookie which is associated with the
// request found in ctx, and puts them inside the ctx object. The flash messages can then
// be retrived by calling ctx.Get( FlashKey).
//
// NOTE When there are no flash messages then nothing is set.
func AddFlashToCtx(ctx *base.Context, name, key string) error {
f, err := GetFlashes(ctx, name, key)
if err != nil {
return err
}
ctx.SetData(key, f)
return nil
}
