Class: Orthoses::ActiveRecord::BelongsTo

Inherits:
Object
  • Object
show all
Defined in:
lib/orthoses/active_record/belongs_to.rb

Instance Method Summary collapse

Constructor Details

#initialize(loader) ⇒ BelongsTo

Returns a new instance of BelongsTo.



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# File 'lib/orthoses/active_record/belongs_to.rb', line 6

def initialize(loader)
  @loader = loader
end

Instance Method Details

#call ⇒ Object 



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# File 'lib/orthoses/active_record/belongs_to.rb', line 10

def call
  @loader.call.tap do |store|
    ::ActiveRecord::Base.descendants.each do |base|
      next if base.abstract_class?
      base_name = Orthoses::Utils.module_name(base) || next

      lines = base.reflect_on_all_associations(:belongs_to).flat_map do |ref|
        # FIXME: Can I get list of class for polymorphic?
        type = if ref.polymorphic?
          'untyped'
        else
          Orthoses::ActiveRecord.reflection_klass_name(ref) or next
        end
        opt = "#{type}?"

        [
          "def #{ref.name}: () -> #{opt}",
          "def #{ref.name}=: (#{opt}) -> #{opt}",
          "def reload_#{ref.name}: () -> #{opt}",
        ].tap do |ary|
          if !ref.polymorphic?
            ary << "def build_#{ref.name}: (?untyped attributes) ?{ (#{type}) -> void } -> #{type}"
            ary << "def create_#{ref.name}: (?untyped attributes) ?{ (#{type}) -> void } -> #{type}"
            ary << "def create_#{ref.name}!: (?untyped attributes) ?{ (#{type}) -> void } -> #{type}"
          end
        end
      end

      generated_association_methods = "#{base_name}::GeneratedAssociationMethods"

      store[generated_association_methods].tap do |content|
        content.header = "module #{generated_association_methods}"
        content.concat(lines)
      end

      sig = "include #{generated_association_methods}"
      store[base_name] << sig if !store[base_name].body.include?(sig)
    end
  end
end