Class: DynamicFindersPlus::Finder

Inherits:
Object
  • Object
show all
Defined in:
lib/dynamic_finders_plus/finder.rb

Direct Known Subclasses

BooleanDefiners, StringDefiners

Class Method Summary collapse

Class Method Details

.define_for(klass) ⇒ Object 



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# File 'lib/dynamic_finders_plus/finder.rb', line 23

def self.define_for klass
  return nil unless defined.add? klass
  return if klass.abstract_class

  results = {}
  klass.columns.each do |column|
    (finders[column.type] || []).each do |name_l, body|
      wrapped= ->(*args) do
        args.insert(0, klass, column);
        body.call *args
      end

      name = name_l.(column)
      method = klass.define_singleton_method name, &wrapped
      results[name.to_sym] = method
    end
  end
  results
end

.defined ⇒ Object 



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# File 'lib/dynamic_finders_plus/finder.rb', line 43

def self.defined
  @@defined ||= Set.new
end

.finder(types, name_lambda, body_lambda = nil, &body_block) ⇒ Object 



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# File 'lib/dynamic_finders_plus/finder.rb', line 14

def self.finder (types, name_lambda, body_lambda=nil, &body_block)
  body_lambda ||= body_block.to_proc
  wrap(types).each do |type|
    type= type.to_sym
    finders[type] ||= Set.new
    finders[type] << [name_lambda, body_lambda]
  end
end

.finders ⇒ Object 



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# File 'lib/dynamic_finders_plus/finder.rb', line 47

def self.finders
  @@finders ||= {}
end

.wrap(object) ⇒ Object 



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# File 'lib/dynamic_finders_plus/finder.rb', line 4

def self.wrap object
  if object.nil?
    []
  elsif object.respond_to?(:to_ary)
    object.to_ary || [object]
  else
    [object]
  end
end