Class: ActiveRecord::Bixformer::PlanAccessor

Inherits:
Object
  • Object
show all
Defined in:
lib/activerecord-bixformer/plan_accessor.rb

Instance Method Summary collapse

Constructor Details

#initialize(plan) ⇒ PlanAccessor

Returns a new instance of PlanAccessor.



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# File 'lib/activerecord-bixformer/plan_accessor.rb', line 4

def initialize(plan)
  @plan                      = plan
  @module_constant_of        = {}
  @module_load_namespaces_of = {}
end

Instance Method Details

#entry_attribute_size ⇒ Object 



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# File 'lib/activerecord-bixformer/plan_accessor.rb', line 106

def entry_attribute_size
  counter = -> (v) do
    (v[:attributes] || {}).keys.size + (v[:associations] || {}).values.inject(0) do |sum, assoc_v|
      sum + counter.call(assoc_v)
    end
  end

  @entry_attribute_size ||= counter.call(compile_config_value(:entry))
end

#find_module_constant(module_type, name) ⇒ Object 



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# File 'lib/activerecord-bixformer/plan_accessor.rb', line 73

def find_module_constant(module_type, name)
  name = :base unless name

  module_constant = @module_constant_of["#{module_type}/#{name}"]

  return module_constant if module_constant

  namespaces = @module_load_namespaces_of[module_type] ||= module_load_namespaces(module_type)

  namespaces.each do |namespace|
    constant = "#{namespace}::#{name.to_s.camelize}".safe_constantize

    return @module_constant_of["#{module_type}/#{name}"] = constant if constant
  end

  raise ::ArgumentError.new "Not found module named #{name.to_s.camelize} in module_load_namespaces('#{module_type}')"
end

#for ⇒ Object 



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# File 'lib/activerecord-bixformer/plan_accessor.rb', line 14

def for
  @plan.class.__bixformer_model
end

#new_module_instance(module_type, name_or_instance, *initializers) ⇒ Object 



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# File 'lib/activerecord-bixformer/plan_accessor.rb', line 59

def new_module_instance(module_type, name_or_instance, *initializers)
  name_or_instance = :base unless name_or_instance

  name_or_instance = name_or_instance.to_s if name_or_instance.is_a?(::Symbol)

  return name_or_instance unless name_or_instance.is_a?(::String)

  if initializers.size > 0
    find_module_constant(module_type, name_or_instance).new(*initializers)
  else
    find_module_constant(module_type, name_or_instance).new
  end
end

#parse_to_type_and_options(value) ⇒ Object 



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# File 'lib/activerecord-bixformer/plan_accessor.rb', line 91

def parse_to_type_and_options(value)
  value = value.dup if value.is_a?(::Array) || value.is_a?(::Hash)
  type  = value.is_a?(::Array) ? value.shift : value

  arguments = if value.is_a?(::Array) && value.size == 1 && value.first.is_a?(::Hash)
                value.first
              elsif value.is_a?(::Array)
                value
              else
                nil
              end

  [type, arguments]
end

#pickup_value_for(model, config_name, default_value = nil) ⇒ Object 



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# File 'lib/activerecord-bixformer/plan_accessor.rb', line 22

def pickup_value_for(model, config_name, default_value = nil)
  model_names_without_root = (model.parents.map(&:name) + [model.name]).drop(1)

  # 指定された設定の全設定値を取得
  entire_config_value = compile_config_value(config_name)

  if entire_config_value.is_a?(::Hash)
    # Hashなら、with_indifferent_accessしておく
    entire_config_value = entire_config_value.with_indifferent_access
  elsif entire_config_value.is_a?(::Array) && entire_config_value.last.is_a?(::Hash)
    # Arrayで最後の要素がHashなら、with_indifferent_accessしておく
    config_value = entire_config_value.pop

    entire_config_value.push config_value.with_indifferent_access
  end

  # その中から、指定のmodelに対応する設定部分を抽出
  config_value = if config_name == :entry
                   find_entry(entire_config_value, model_names_without_root)
                 else
                   find_nested_config_value(entire_config_value, model_names_without_root)
                 end

  if config_value.is_a?(::Array)
    # Arrayで最後の要素がHashの場合、それは子要素の設定値なので、結果に含めない
    config_value.extract_options!

    # Arrayなら、要素は文字列化しておく
    config_value = config_value.map(&:to_s)
  elsif config_name != :entry && config_value.is_a?(::Hash)
    # 子要素の設定を排除
    config_value = config_value.except(*model.associations.map(&:name))
  end

  config_value || default_value
end

#raw_value ⇒ Object 



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# File 'lib/activerecord-bixformer/plan_accessor.rb', line 10

def raw_value
  @plan
end

#value_of(config_name) ⇒ Object 



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# File 'lib/activerecord-bixformer/plan_accessor.rb', line 18

def value_of(config_name)
  compile_config_value(config_name).dup
end