ruby-on-rails - acts_as_tree 和rails 3.2.3，不兼容？

Question

我正在使用 Rails 3.2.3 和 acts_as_tree 1.1.0。我一直在将 acts_as_tree 用于一些早期版本的 Rails 3(例如 3.1.1.)的不同项目，没有出现任何问题，但它对这个版本根本不起作用。如果是因为 3.2.3 或我使用的其他东西，我无法确认。

这是我试过的，没有用:- 在几个不同的 Controller 上使用 acts_as_tree- 仅使用 acts_as_tree(没有订单声明)- 运行捆绑安装和捆绑更新- 仔细检查 parent_id 是否存在并且是整数

首先，当我尝试这个时，我得到了第一次尝试:

undefined method `acts_as_tree'

重新加载页面(不做任何其他事情)导致:

undefined method `key?' for nil:NilClass

然后重新启动服务器导致启动失败(应用程序会崩溃并且无法启动)并出现以下错误:

/Library/Ruby/Gems/1.8/gems/bundler-1.1.3/lib/bundler/runtime.rb:68:in `require': /Library/Ruby/Gems/1.8/gems/acts_as_tree-1.1.0/lib/acts_as_tree.rb:78: odd number list for Hash (SyntaxError)
        foreign_key:   "parent_id",
                    ^
/Library/Ruby/Gems/1.8/gems/acts_as_tree-1.1.0/lib/acts_as_tree.rb:78: syntax error, unexpected ':', expecting '}'
        foreign_key:   "parent_id",
                    ^
/Library/Ruby/Gems/1.8/gems/acts_as_tree-1.1.0/lib/acts_as_tree.rb:78: syntax error, unexpected ',', expecting kEND
/Library/Ruby/Gems/1.8/gems/acts_as_tree-1.1.0/lib/acts_as_tree.rb:79: Can't assign to nil
/Library/Ruby/Gems/1.8/gems/acts_as_tree-1.1.0/lib/acts_as_tree.rb:80: syntax error, unexpected ':', expecting '='
        counter_cache: nil,
                      ^
/Library/Ruby/Gems/1.8/gems/acts_as_tree-1.1.0/lib/acts_as_tree.rb:80: Can't assign to nil
/Library/Ruby/Gems/1.8/gems/acts_as_tree-1.1.0/lib/acts_as_tree.rb:81: syntax error, unexpected ':', expecting '='
        dependent:     :destroy
                  ^
/Library/Ruby/Gems/1.8/gems/acts_as_tree-1.1.0/lib/acts_as_tree.rb:82: syntax error, unexpected '}', expecting kEND
/Library/Ruby/Gems/1.8/gems/acts_as_tree-1.1.0/lib/acts_as_tree.rb:86: syntax error, unexpected ':', expecting kEND
      belongs_to :parent, class_name:    name,
                                     ^
/Library/Ruby/Gems/1.8/gems/acts_as_tree-1.1.0/lib/acts_as_tree.rb:87: syntax error, unexpected ':', expecting '='
        foreign_key:   configuration[:foreign_key],
                    ^
/Library/Ruby/Gems/1.8/gems/acts_as_tree-1.1.0/lib/acts_as_tree.rb:88: syntax error, unexpected ':', expecting '='
        counter_cache: configuration[:counter_cache],
                      ^
/Library/Ruby/Gems/1.8/gems/acts_as_tree-1.1.0/lib/acts_as_tree.rb:89: syntax error, unexpected ':', expecting '='
        inverse_of:    :children
                   ^
/Library/Ruby/Gems/1.8/gems/acts_as_tree-1.1.0/lib/acts_as_tree.rb:91: syntax error, unexpected ':', expecting kEND
      has_many :children, class_name:  name,
                                     ^
/Library/Ruby/Gems/1.8/gems/acts_as_tree-1.1.0/lib/acts_as_tree.rb:92: syntax error, unexpected ':', expecting '='
        foreign_key: configuration[:foreign_key],
                    ^
/Library/Ruby/Gems/1.8/gems/acts_as_tree-1.1.0/lib/acts_as_tree.rb:93: syntax error, unexpected ':', expecting '='
        order:       configuration[:order],
              ^
/Library/Ruby/Gems/1.8/gems/acts_as_tree-1.1.0/lib/acts_as_tree.rb:94: syntax error, unexpected ':', expecting '='
        dependent:   configuration[:dependent],
                  ^
/Library/Ruby/Gems/1.8/gems/acts_as_tree-1.1.0/lib/acts_as_tree.rb:95: syntax error, unexpected ':', expecting '='
        inverse_of:  :parent
                   ^
    from /Library/Ruby/Gems/1.8/gems/bundler-1.1.3/lib/bundler/runtime.rb:68:in `require'
    from /Library/Ruby/Gems/1.8/gems/bundler-1.1.3/lib/bundler/runtime.rb:66:in `each'
    from /Library/Ruby/Gems/1.8/gems/bundler-1.1.3/lib/bundler/runtime.rb:66:in `require'
    from /Library/Ruby/Gems/1.8/gems/bundler-1.1.3/lib/bundler/runtime.rb:55:in `each'
    from /Library/Ruby/Gems/1.8/gems/bundler-1.1.3/lib/bundler/runtime.rb:55:in `require'
    from /Library/Ruby/Gems/1.8/gems/bundler-1.1.3/lib/bundler.rb:119:in `require'
    from /Users/Christoffer/Documents/Webbprojekt/rails/Presenttips/config/application.rb:7
    from /Library/Ruby/Gems/1.8/gems/railties-3.2.3/lib/rails/commands.rb:53:in `require'
    from /Library/Ruby/Gems/1.8/gems/railties-3.2.3/lib/rails/commands.rb:53
    from /Library/Ruby/Gems/1.8/gems/railties-3.2.3/lib/rails/commands.rb:50:in `tap'
    from /Library/Ruby/Gems/1.8/gems/railties-3.2.3/lib/rails/commands.rb:50
    from script/rails:6:in `require'
    from script/rails:6

这让我猜测 Rails 3.2.3 和 acts_as_tree 存在兼容性问题。虽然我不知道如何验证这一点。

我有哪些选择？我不一定需要使用 Rails 3.2.3，但如果我降级到 3.1.1。 (我试过了)我遇到了其他看起来更糟的问题(“文件设置”似乎不一样)。

那么，我有哪些选择？你也有过这样的经历吗？ acts_as_tree 有问题，对吗？

Answer 1

看起来有一个 2 年前的开放

opened this issue 2 years ago Does not work with Rails 2.3.8 https://github.com/rails/acts_as_tree/issues/1

选项

acts_as_tree_rails3 gem install acts_as_tree_rails3

或

嵌套集 https://github.com/skyeagle/nested_set

编辑:

你是对的，新位置是https://github.com/amerine/acts_as_tree同一作者

有评论

We no longer support Ruby 1.8 or versions if Rails/ActiveRecord older than 3.0. If you're using a version of ActiveRecord older than 3.0 please use 0.1.1.

Moving forward we will do our best to support the latest versions of ActiveRecord and Ruby

这就是为什么他们没有理会那些 Unresolved 问题