Class: Droom::Ability

Inherits:
Object
  • Object
show all
Includes:
CanCan::Ability
Defined in:
app/models/droom/ability.rb

Instance Method Summary collapse

Constructor Details

#initialize(user) ⇒ Ability

Returns a new instance of Ability.



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# File 'app/models/droom/ability.rb', line 5

def initialize(user)
  # invitation only:
  # no unauthenticated access allowed.
  
  if user
    if user.admin?
      # An admin flag on the user table overrides this whole mechanism to make all things possible.
      #
      can :manage, :all

    else
      # Otherwise, most items are visible to all.
      #
      can :read, Droom::Event
      can :read, Droom::Folder
      can :read, Droom::Document
      can :read, Droom::Scrap
      can :read, Droom::Venue
      can :read, Droom::User
      can :read, Droom::Group
      can :read, Droom::Organisation
    
      # And they can edit themselves
      #
      can :update, Droom::User, :id => user.id
      cannot :edit, Droom::User
    
      # If someone has been allowed to create something, they are generally allowed to edit or remove it.
      # This rule must sit after the user rules because users have no created_by_id column.
      #
      # can :manage, :all, :created_by_id => user.id

      # Then other abilities are determined by permissions. Permissions here are relatively abstract and 
      # not closely coupled to Cancan abilities. Here we map them onto more concrete operations.
      #
      if user.permitted?('droom.calendar')
        can :create, Droom::Event
        can :create, Droom::EventSet
        can :create, Droom::Venue
        can :create, Droom::Invitation
        can :create, Droom::GroupInvitation
        if user.permitted?('droom.attach')
          can :create, Droom::AgendaCategory
          can :create, Droom::Document 
        end
      end

      if user.permitted?('droom.directory')
        can :create, Droom::Group
        can :create, Droom::Organisation
        can :create, Droom::User
      end
    
      if user.permitted?('droom.library')
        can :create, Droom::Folder
        can :create, Droom::Document
      end
    
      if user.permitted?('droom.stream')
        can :create, Droom::Scrap
      end

      if user.permitted?('droom.pages')
        can :create, Droom::Page
      end

      # Some models are purely administrative.
      #
      can :create, Droom::DropboxToken
      can :create, Droom::DropboxDocument
      can :create, Droom::MailingListMembership
    
    end
  end
end