Class: Orthoses::ActiveRecord::Persistence

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

Instance Method Summary collapse

Constructor Details

#initialize(loader) ⇒ Persistence

Returns a new instance of Persistence.



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

def initialize(loader)
  @loader = loader
end

Instance Method Details

#call ⇒ Object 



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

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

      attributes = klass.columns_hash.map do |key, col|
        req = ActiveRecord.sql_type_to_rbs(col.type)
        opt = "#{req}?"
        [key.to_s, col.null ? opt : req]
      end.to_h

      klass.attribute_aliases.each do |alias_name, column_name|
        alias_value = attributes[column_name.to_s] or next
        attributes[alias_name.to_s] = alias_value
      end

      optional_definitions = attributes.map do |name, type|
        "?#{name}: #{type}"
      end.join(", ")

      class_methods_name = "#{base_name}::ActiveRecord_Persistence_ClassMethods"
      store[base_name] << "extend #{class_methods_name}"
      store[class_methods_name].header = "module #{class_methods_name}"

      %i[create create! build].each do |method|
        method = <<~RBS
          def #{method}: (#{optional_definitions}, **untyped) ?{ (#{base_name}) -> void } -> #{base_name}
                       | (::Array[Hash[Symbol, untyped]]) ?{ (#{base_name}) -> void } -> ::Array[#{base_name}]
        RBS
        store[class_methods_name] << method
      end
    end
  end
end