Class: WCC::Auth::TieredAbility

Inherits:
Object
  • Object
show all
Includes:
CanCan::Ability
Defined in:
lib/wcc/auth/ability.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(user) ⇒ TieredAbility

Returns a new instance of TieredAbility.



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# File 'lib/wcc/auth/ability.rb', line 6

def initialize(user)
  @user = user
  grant_access_at(@user.access_level)
end

Class Method Details

.at_level(level_key, &can_block) ⇒ Object 



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# File 'lib/wcc/auth/ability.rb', line 23

def self.at_level(level_key, &can_block)
  level = WCC::Auth::AccessLevel[level_key] or
    raise ArgumentError, "#{level_key} is not a valid access level"
  levels[level] << can_block
end

.inherited(subclass) ⇒ Object 



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# File 'lib/wcc/auth/ability.rb', line 33

def self.inherited(subclass)
  subclass.send :instance_variable_set, :@levels, levels.dup
end

.levels ⇒ Object 



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# File 'lib/wcc/auth/ability.rb', line 29

def self.levels
  @levels ||= Hash.new { |hash, key| hash[key] = [] }
end

Instance Method Details

#grant_access_at(access_level) ⇒ Object 



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# File 'lib/wcc/auth/ability.rb', line 11

def grant_access_at(access_level)
  levels.each do |level, can_blocks|
    if access_level >= level
      can_blocks.each { |can_block| instance_exec(@user, &can_block) }
    end
  end
end

#levels ⇒ Object 



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# File 'lib/wcc/auth/ability.rb', line 19

def levels
  self.class.levels
end