Class: PlutoniumGenerators::ModelGeneratorBase::GeneratedAttribute

Inherits:
Rails::Generators::GeneratedAttribute
  • Object
show all
Defined in:
lib/generators/pu/lib/plutonium_generators/model_generator_base.rb

Overview

github.com/rails/rails/blob/main/railties/lib/rails/generators/generated_attribute.rb#L7

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.parse(model_name, column_definition) ⇒ Object 



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# File 'lib/generators/pu/lib/plutonium_generators/model_generator_base.rb', line 73

def parse(model_name, column_definition)
  name, type, index_type = column_definition.split(":")

  # if user provided "name:index" instead of "name:string:index"
  # type should be set blank so GeneratedAttribute's constructor
  # could set it to :string
  index_type, type = type, nil if valid_index_type?(type)

  type, attr_options = *parse_type_and_options(type)
  type = type.to_sym if type

  if dangerous_name?(name)
    raise "Could not generate field '#{name}', as it is already defined by Active Record."
  end

  if type && !valid_type?(type)
    raise "Could not generate field '#{name}' with unknown type '#{type}'."
  end

  if index_type && !valid_index_type?(index_type)
    raise "Could not generate field '#{name}' with unknown index '#{index_type}'."
  end

  if type && reference?(type)
    if Rails::Generators::GeneratedAttribute::UNIQ_INDEX_OPTIONS.include?(index_type)
      attr_options[:index] = {unique: true}
    end

    if name.include? "/"
      attr_options[:to_table] = name.underscore.tr("/", "_").pluralize.to_sym
      attr_options[:class_name] = name.classify
      name = name.underscore
      if (shared_namespace = find_shared_namespace(model_name, name, separator: "/"))
        name = name.sub("#{shared_namespace}/", "")
      end
      name = name.tr("/", "_")
    end
  end

  new(name, type, index_type, attr_options)
end

Instance Method Details

#attribute_name ⇒ Object 



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# File 'lib/generators/pu/lib/plutonium_generators/model_generator_base.rb', line 157

def attribute_name
  if cents?
    name.sub("_cents", "")
  else
    name
  end
end

#cents? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/generators/pu/lib/plutonium_generators/model_generator_base.rb', line 153

def cents?
  type == :integer && name.ends_with?("_cents")
end

#options_for_migration ⇒ Object 



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# File 'lib/generators/pu/lib/plutonium_generators/model_generator_base.rb', line 165

def options_for_migration
  super.tap do |options|
    if options[:to_table]
      options[:foreign_key] = {to_table: options.delete(:to_table)}
    end
    options.delete(:class_name)
  end
end

#required? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/generators/pu/lib/plutonium_generators/model_generator_base.rb', line 147

def required?
  return false if attr_options[:null] == true

  super
end