Module: Inform::Linkable

Included in:
Ephemeral::Object
Defined in:
lib/story_teller/inform/ephemeral/link.rb

Overview

The Linkable module

Instance Method Summary collapse

Instance Method Details

#_set_object(link_name, obj = nil) ⇒ Object 



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# File 'lib/story_teller/inform/ephemeral/link.rb', line 164

def _set_object(link_name, obj = nil)
  link = link(link_name, obj)
  link.to
end

#link(link_name, obj = nil) ⇒ Object

rubocop: disable Metrics/AbcSize rubocop: disable Metrics/CyclomaticComplexity rubocop: disable Metrics/MethodLength rubocop: disable Metrics/PerceivedComplexity



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# File 'lib/story_teller/inform/ephemeral/link.rb', line 86

def link(link_name, obj = nil)
  link = if Inform.link_klass.respond_to?(:first)
    Inform.link_klass.first(name: link_name.to_s, from_id: self.id)
  else
    self.links.find { |l| l.name == link_name.to_s }
  end
  link&.to&.refresh
  return link if obj.nil?
  if link.nil?
    link = if Inform.link_klass.respond_to?(:find_or_create)
      clauses = { name: link_name.to_s, from_id: self.id, to_id: obj.id }
      Inform.link_klass.find_or_create(**clauses) do |l|
        l.from = self
        l.to = obj
      end
    else
      properties = { name: link_name.to_s, from: self, to: obj }
      Inform::Ephemeral::Link.new(properties).tap do |l|
        self.links << l
      end
    end
  else
    link.to = obj
    link.save
  end
  link
end

#linked?(link_name) ⇒ Boolean Also known as: _key?

rubocop: enable Metrics/AbcSize rubocop: enable Metrics/CyclomaticComplexity rubocop: enable Metrics/MethodLength rubocop: enable Metrics/PerceivedComplexity

Returns:

  • (Boolean) 


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# File 'lib/story_teller/inform/ephemeral/link.rb', line 118

def linked?(link_name)
  if Inform.link_klass.respond_to?(:filter)
    Inform.link_klass.filter(name: link_name.to_s, from_id: self.id).count > 0
  else
    self.links.any? { |link| link.name == link_name.to_s && link.from == self }
  end
end

#links ⇒ Object 



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# File 'lib/story_teller/inform/ephemeral/link.rb', line 76

def links
  super
rescue StandardError => _e
  Array::Empty
end

#linksfrom(link_name = nil) ⇒ Object

rubocop: disable Metrics/AbcSize



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# File 'lib/story_teller/inform/ephemeral/link.rb', line 149

def linksfrom(link_name = nil)
  if Inform.link_klass.respond_to?(:filter)
    if link_name.nil?
      Inform.link_klass.filter(to_id: self.id)
    else
      Inform.link_klass.filter(name: link_name.to_s, to_id: self.id)
    end
  else
    self.links.select { |link| link.name == link_name.to_s && link.to == self }
  end.map(&:from)
end

#linkto(link_name) ⇒ Object Also known as: _get_object

rubocop: enable Metrics/AbcSize



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# File 'lib/story_teller/inform/ephemeral/link.rb', line 140

def linkto(link_name)
  if Inform.link_klass.respond_to?(:first)
    Inform.link_klass.first(name: link_name.to_s, from_id: self.id)&.to&.refresh
  else
    self.links.find { |link| link.name == link_name.to_s && link.from == self }&.to
  end
end

#unlink(link_name) ⇒ Object Also known as: _unset_object

rubocop: disable Metrics/AbcSize



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# File 'lib/story_teller/inform/ephemeral/link.rb', line 127

def unlink(link_name)
  if Inform.link_klass.respond_to?(:first)
    Inform.link_klass.first(name: link_name.to_s, from_id: self.id).destroy&.to
  else
    self.links.delete { |link| link.name == link_name.to_s && link.from == self }
  end
rescue Sequel::NoExistingObject => e
  log.warn "Error: #{e.message}"
  log.warn "No such link: #{link_name}"
  nil
end