Class: Admission::Rails::ScopeResolver

Inherits:
Object
  • Object
show all
Defined in:
lib/admission/rails/scope_resolver.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(scope) ⇒ ScopeResolver

Returns a new instance of ScopeResolver.



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# File 'lib/admission/rails/scope_resolver.rb', line 5

def initialize scope
  @scope = scope
  freeze
end

Class Method Details

.defaultObject



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# File 'lib/admission/rails/scope_resolver.rb', line 27

def self.default
  @default ||= new(-> {
    controller_name.to_sym
  })
end

.using(scope_resolver) ⇒ Object



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# File 'lib/admission/rails/scope_resolver.rb', line 33

def self.using scope_resolver
  return scope_resolver if scope_resolver.is_a? ScopeResolver

  unless scope_resolver.is_a?(Proc) || scope_resolver.is_a?(Symbol)
    raise 'Function to resolve the admission scope needed.'+
        ' Pass a block or `resolve_to:` parameter.'
  end

  new scope_resolver
end

.voidObject



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# File 'lib/admission/rails/scope_resolver.rb', line 23

def self.void
  @void ||= new(nil)
end

Instance Method Details

#apply(controller_instance) ⇒ Object



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# File 'lib/admission/rails/scope_resolver.rb', line 10

def apply controller_instance
  case @scope
    when Symbol
      yield controller_instance.send(@scope)

    when Proc
      yield controller_instance.instance_exec(&@scope)

    else # void

  end
end