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 43

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 84

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

.create! ⇒ ActionInquirer

Returns:



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# File 'lib/super/action_inquirer.rb', line 37

def self.create!; new(default_for_resources, "create"); end

.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" => %w[index show new edit],
    "write" => %w[create update destroy],
    "delete" => %w[destroy],
  }
end

.destroy! ⇒ ActionInquirer

Returns:



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# File 'lib/super/action_inquirer.rb', line 41

def self.destroy!; new(default_for_resources, "destroy"); end

.edit! ⇒ ActionInquirer

Returns:



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# File 'lib/super/action_inquirer.rb', line 35

def self.edit!; new(default_for_resources, "edit"); end

.index! ⇒ ActionInquirer

Returns:



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# File 'lib/super/action_inquirer.rb', line 29

def self.index!; new(default_for_resources, "index"); end

.new! ⇒ ActionInquirer

Returns:



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# File 'lib/super/action_inquirer.rb', line 33

def self.new!; new(default_for_resources, "new"); end

.show! ⇒ ActionInquirer

Returns:



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# File 'lib/super/action_inquirer.rb', line 31

def self.show!; new(default_for_resources, "show"); end

.update! ⇒ ActionInquirer

Returns:



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# File 'lib/super/action_inquirer.rb', line 39

def self.update!; new(default_for_resources, "update"); end

Instance Method Details

#respond_to_missing?(method_name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/super/action_inquirer.rb', line 76

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

  return super if !inquiry

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