要么我遗漏了一些东西,要么不理解其他帖子/说明。我正在尝试使用标准模型和无模型控制器来实现基于数据库的能力。在数据库中,我有:
| action_name | object_type |
|:index |Tag |
|:index |AssetDashboardController |
标记可以正常工作... AssetDashboardController 作为类而不是符号传递,因此失败can
。
Rails 控制台尝试使用字符串和常量化:
1.9.3p194 :017 > "AssetDashboardController".constantize
=> AssetDashboardController
1.9.3p194 :018 > "Tag".constantize
=> Tag(id: integer, tag_unique: string, room_monitor_id: integer, star_id: integer, map_id: integer, tracked_type_id: integer, tracked_object_id: integer, x: integer, y: integer, created_at: datetime, updated_at: datetime)
1.9.3p194 :019 >
“AssetDashboard”代替数据库中的“AssetDashboardController”获取NameError: uninitialized constant AssetDashboard
,“asset_dashboard”代替“AssetDashboardController”获取NameError: wrong constant name asset_dashboard
能力.rb:
def initialize(user)
user ||= User.new #in case user is not passed there is a blank user to validate against
if user.is_implementer?
can :manage, :all
elsif user.user_permissions.exists?
user.user_permissions.each do |user_permission|
can user_permission.permission.action_name.to_sym, user_permission.permission.object_type.constantize
end
elsif !user.role.nil?
user.role.default_role_permission.each do |role_permission|
can role_permission.permission.action_name.to_sym, role_permission.permission.object_type.constantize
end
else
can :read, [Asset, Patient, StaffMember, AssetDashboardController, PatientDashboardController, DashboardController]
end
end
end
AssetDashboardController.rb
class AssetDashboardController < ApplicationController
authorize_resource :class => false
def index
end
end
如果我把它放在 Ability.rb 中:
can [:show, :index], :asset_dashboard
它工作正常。
如果我可以添加更多内容,请告诉我。
RVM 上的 Rails 3.0.13、Cancan 1.67、Ruby 1.9.3p194