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cantango-roles is an extension to CanTango Permits which adds:
The permit system iterates over all the registered types of permits and executes all registered permits of each type. The result is a set of Ability rules that work with the CanCan Ability mechanism.
Defining Permits in your app
app/permits folder will be added to Rails autoloading.
The directory layout should be the following:
- /app - /permits - /permit - /role - editor.rb - /role_group - publishers.rb -/admin (account) - /role - editor.rb
Default :editor Role permit (scope less):
module Permit::Role class Editor < CanTango::Permit::Role def calc_rules can :edit, Post end module Cache def calc_rules can :edit, Post end end end end
The :editor Role permit applicable for the Admin scope. Typically the scope is linked to the account (but doesn't have to be).
module Permit::Admin::Role class Editor < CanTango::Permit::Role def calc_rules can :edit, Post if session[:edit_mode] end modes :no_cache end end
#modes macro is used to indicate that this Permit should only be executed for the
Similarly we can define a permit for a publishers role group.
module Permit::Admin::RoleGroup class Publishers < CanTango::Permit::RoleGroup def calc_rules can :edit, Post if session[:edit_mode] end modes :no_cache end end