Class: Super::ActionInquirer

Inherits:
Object
  • Object
show all
Defined in:
lib/super/action_inquirer.rb

Overview

action = Super::ActionInquirer.new(
  Super::ActionInquirer.default_for_resources,
  :index
)

action.read? # => true
action.index? # => true
action.show? # => false
action.write? # => false

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(categories_and_their_actions, action) ⇒ ActionInquirer

Returns a new instance of ActionInquirer.



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# File 'lib/super/action_inquirer.rb', line 28

def initialize(categories_and_their_actions, action)
  @categories = categories_and_their_actions.keys.map(&:to_s)
  @actions = categories_and_their_actions.values.flatten.uniq.map(&:to_s)
  @actions_categories = {}

  categories_and_their_actions.each do |c, actions|
    c = c.to_s

    actions.each do |a|
      a = a.to_s
      @actions_categories[a] ||= []
      @actions_categories[a].push(c)
    end
  end

  intersection = @categories & @actions
  if intersection.any?
    raise Error::ActionInquirerError,
      "Found shared elements between categories and actions: #{intersection.join(", ")}"
  end

  self.action = action
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method_name) ⇒ Object 



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# File 'lib/super/action_inquirer.rb', line 69

def method_missing(method_name, *)
  inquiry = parse_inquiry(method_name)

  return super if !inquiry

  if @actions.include?(inquiry)
    matches_action?(inquiry)
  elsif @categories.include?(inquiry)
    matches_category?(inquiry)
  else
    super
  end
end

Instance Attribute Details

#action ⇒ Object

Returns the value of attribute action.



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# File 'lib/super/action_inquirer.rb', line 16

def action
  @action
end

Class Method Details

.default_for_resources ⇒ Hash<Symbol, Array<Symbol>>

Returns default settings for initialization.

Returns:

  • (Hash<Symbol, Array<Symbol>>) —

    default settings for initialization



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# File 'lib/super/action_inquirer.rb', line 20

def self.default_for_resources
  {
    read: %i[index show new edit],
    write: %i[create update destroy],
    delete: %i[destroy]
  }
end

Instance Method Details

#respond_to_missing?(method_name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/super/action_inquirer.rb', line 61

def respond_to_missing?(method_name, *)
  inquiry = parse_inquiry(method_name)

  return super if !inquiry

  @actions.include?(inquiry) || @categories.include?(inquiry) || super
end