Class: Ixtlan::Guard::ActionController::Filter

Inherits:
Object
  • Object
show all
Defined in:
lib/ixtlan/guard/guard_rails.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(method, options, &block) ⇒ Filter

Returns a new instance of Filter.



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# File 'lib/ixtlan/guard/guard_rails.rb', line 12

def initialize(method, options, &block)
  @only = options[:only]
  @except = options[:except] || []
  @reference = options[:reference]
  @reference = @reference.to_sym if @reference
  @block = block
  @method = method.to_sym if method
  raise "illegal arguments: either block or method name #{method}" if block && method
end

Instance Attribute Details

#block ⇒ Object (readonly)

Returns the value of attribute block.



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# File 'lib/ixtlan/guard/guard_rails.rb', line 11

def block
  @block
end

Instance Method Details

#allowed?(action) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ixtlan/guard/guard_rails.rb', line 60

def allowed?(action)
  action = action.to_sym
  (@only && @only.member?(action)) ||
    ((@only.nil? || @only.empty?) && ! @except.member?(action))
end

#proc(base, reference = nil) ⇒ Object 



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# File 'lib/ixtlan/guard/guard_rails.rb', line 22

def proc(base, reference = nil)
  if @block
    if reference
      Proc.new do |groups|
        @block.call(groups, reference)
      end
    elsif @reference
      Proc.new do |groups|
         @block.call(groups, base.send(@reference))
      end
    else
      @block
    end
  else
    if base.respond_to?(@method) || base.private_methods.include?(@method.to_s) || base.private_methods.include?(@method.to_sym)
      if reference
        Proc.new do |groups|
          base.send(@method, groups, reference)
        end
      elsif @reference
        Proc.new do |groups|
          base.send(@method, groups, base.send(@reference))
        end
      else
        base.method(@method)
      end
    else
      if @reference
        Proc.new do |groups|
          base.class.send(@method, groups, base.send(@reference))
        end
      else
        base.class.method(@method)
      end
    end
  end
end