Class: EnumField::Builder

Inherits:
Object
  • Object
show all
Defined in:
lib/enum_field/builder.rb

Constant Summary collapse

METHODS = 
[:all, :names, :find_by_id, :find, :first, :last]

Instance Method Summary collapse

Constructor Details

#initialize(target) ⇒ Builder

Returns a new instance of Builder.



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# File 'lib/enum_field/builder.rb', line 7

def initialize(target)
  @target = target
  @next_id = 0
  @id2obj = {}
  @name2obj = {}
  @sorted = []
end

Instance Method Details

#all ⇒ Object 



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# File 'lib/enum_field/builder.rb', line 23

def all
  @sorted.dup
end

#find(id) ⇒ Object 



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# File 'lib/enum_field/builder.rb', line 31

def find(id)
  find_by_id(id) or raise EnumField::ObjectNotFound
end

#find_by_id(id) ⇒ Object 



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# File 'lib/enum_field/builder.rb', line 35

def find_by_id(id)
  case id
  when Integer, String, Float, Fixnum then 
    @id2obj[id.to_i]
  when Array then 
    id.inject([]) do |items, value|
      if value && value.respond_to?(:to_i)
        items << @id2obj[value.to_i]
      end

      items
    end
  end
end

#first ⇒ Object 



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# File 'lib/enum_field/builder.rb', line 50

def first; @sorted.first; end

#last ⇒ Object 



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# File 'lib/enum_field/builder.rb', line 51

def last; @sorted.last; end

#member(name, options = {}) ⇒ Object 



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# File 'lib/enum_field/builder.rb', line 15

def member(name, options = {})
  obj, candidate_id = process_options(options)
  assign_id(obj, candidate_id)
  define_in_meta(name) { obj }
  save(name, obj)
  obj.freeze
end

#names ⇒ Object 



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# File 'lib/enum_field/builder.rb', line 27

def names
  @name2obj.keys
end