Class: ActiveMerge::SimpleService::Links

Inherits:
Object
  • Object
show all
Defined in:
lib/active_merge/simple_service.rb

Overview

Initializes a hash, whose keys are instances linked to given one, and their values are names of methods for linking to another object.

Class Method Summary collapse

Class Method Details

.hash ⇒ Object 



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# File 'lib/active_merge/simple_service.rb', line 56

def hash
  @hash = {}
  refs.each do |name, foreign_key|
    @item.send(name).each{ |item| @hash[item] = "#{ foreign_key }=" }
  end
  @hash
end

.new(item) ⇒ Object 



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# File 'lib/active_merge/simple_service.rb', line 44

def new(item)
  @item = item
  return hash
end

.refs ⇒ Object

Returns a hash whose keys are “has_many” associations’ names and their values are corresponding foreign keys



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# File 'lib/active_merge/simple_service.rb', line 51

def refs
  @item.class.reflect_on_all_associations(:has_many).
    inject({}){ |hash, item| hash.merge(item.name => item.foreign_key) }
end