Class: ActiveRecordColumnTypeHelper

Inherits:
Object
  • Object
show all
Extended by:
T::Sig
Defined in:
lib/tapioca/helpers/active_record_column_type_helper.rb

Overview

typed: strict frozen_string_literal: true

Instance Method Summary collapse

Constructor Details

#initialize(constant) ⇒ ActiveRecordColumnTypeHelper

Returns a new instance of ActiveRecordColumnTypeHelper.


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# File 'lib/tapioca/helpers/active_record_column_type_helper.rb', line 8

def initialize(constant)
  @constant = constant
end

Instance Method Details

#type_for(column_name) ⇒ Object


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# File 'lib/tapioca/helpers/active_record_column_type_helper.rb', line 13

def type_for(column_name)
  return ["T.untyped", "T.untyped"] if do_not_generate_strong_types?(@constant)

  column_type = @constant.attribute_types[column_name]

  getter_type =
    case column_type
    when defined?(MoneyColumn) && MoneyColumn::ActiveRecordType
      "::Money"
    when ActiveRecord::Type::Integer
      "::Integer"
    when ActiveRecord::Type::String
      "::String"
    when ActiveRecord::Type::Date
      "::Date"
    when ActiveRecord::Type::Decimal
      "::BigDecimal"
    when ActiveRecord::Type::Float
      "::Float"
    when ActiveRecord::Type::Boolean
      "T::Boolean"
    when ActiveRecord::Type::DateTime, ActiveRecord::Type::Time
      "::DateTime"
    when ActiveRecord::AttributeMethods::TimeZoneConversion::TimeZoneConverter
      "::ActiveSupport::TimeWithZone"
    else
      handle_unknown_type(column_type)
    end

  column = @constant.columns_hash[column_name]
  setter_type = getter_type

  if column&.null
    return ["T.nilable(#{getter_type})", "T.nilable(#{setter_type})"]
  end

  if column_name == @constant.primary_key ||
      column_name == "created_at" ||
      column_name == "updated_at"
    getter_type = "T.nilable(#{getter_type})"
  end

  [getter_type, setter_type]
end