The :available_to expects a list of users, not a Boolean. You can use :if for
Boolean tests.
Henry
On May 13, 2010 08:35:12 am paulo wrote:
> Hi folks,
>
> I'm struggling to put together a permission system required for
> transitions on one of my models.
>
> The app needs to allow users to create quotes, and then change the
> state of a quote, if they have access to do this.
> Access is determined from a integer value in the 'acl_group' Model,
> which each user belongs to. This is loosely based on the linux
> permission system i.e.
> 0=no access,
> 1=create quotes + read/update quotes they own,
> 2= create quotes + read/update ALL quotes
> 3 = same as level 2 but can delete quotes
>
> My simplified models are below:
>
> Model User
> belongs_to :acl_group
> has_many :quote
>
> Model acl_group
> quote :integer
> has_many :user
>
> Model quote
> belongs_to :user
> lifecycle do
> state :quoted, :default => true
> state :won
>
> create :make_quote, :become => :quoted do end
>
> transition :won, {:quoted => :won}, :available_to =>
> "acting_user.administrator || acting_user.acl_group.quote > 1 ||
> acting_user.acl_group.quote = 1 && acting_user == user"
> end
>
>
> I've tried using the String option, which never grants access and also
> tried a code-block which didn't appear to work (I couldn't get past a
> 'ERROR NameError: undefined local variable or method' error, putting
> the code block either in the controller or model (within lifecycle
> block and outside).
>
> I trust that I am probably missing something very obvious here, or
> maybe just approaching this in the wrong way?
>
> Thanks in advance,
>
> Paul
--
Henry Baragar
Instantiated Software
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