Module: AnonymousActiveRecord

Defined in:
lib/anonymous_active_record.rb,
lib/anonymous_active_record/factory.rb,
lib/anonymous_active_record/version.rb,
lib/anonymous_active_record/generator.rb

Overview

Usage:

klass = AnonymousActiveRecord.generate(columns: ['name']) do
          def flowery_name
            "🌸#{name}🌸"
          end
        end
instance = klass.new(name: 'Darla Charla')
instance.save!
instance.flowery_name # => "🌸Darla Charla🌸"

Defined Under Namespace

Modules: Version Classes: Factory, Generator

Constant Summary collapse

DEFAULT_CONNECTION_PARAMS = 
{
  adapter: "sqlite3",
  encoding: "utf8",
  database: ":memory:",
}.freeze
DEFAULT_PARENT_KLASS = 
"ActiveRecord::Base"

Class Method Summary collapse

Class Method Details

._factory(source_data: [], table_name: nil, klass_namespaces: [], klass_basename: nil, columns: [], indexes: [], timestamps: true, parent_klass: DEFAULT_PARENT_KLASS, connection_params: DEFAULT_CONNECTION_PARAMS, &block) ⇒ Object 



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# File 'lib/anonymous_active_record.rb', line 128

def _factory(source_data: [], table_name: nil, klass_namespaces: [], klass_basename: nil, columns: [], indexes: [], timestamps: true, parent_klass: DEFAULT_PARENT_KLASS, connection_params: DEFAULT_CONNECTION_PARAMS, &block)
  klass = generate(
    table_name: table_name,
    klass_namespaces: klass_namespaces,
    klass_basename: klass_basename,
    columns: columns,
    timestamps: timestamps,
    parent_klass: parent_klass,
    indexes: indexes,
    connection_params: connection_params,
    &block
  )
  AnonymousActiveRecord::Factory.new(source_data, klass)
end

.factory(source_data: [], table_name: nil, klass_namespaces: [], klass_basename: nil, columns: [], indexes: [], timestamps: true, parent_klass: DEFAULT_PARENT_KLASS, connection_params: DEFAULT_CONNECTION_PARAMS, &block) ⇒ Object

Initializes instances of a pseudo anonymous class in a particular namespace of your choosing.



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# File 'lib/anonymous_active_record.rb', line 93

def factory(source_data: [], table_name: nil, klass_namespaces: [], klass_basename: nil, columns: [], indexes: [], timestamps: true, parent_klass: DEFAULT_PARENT_KLASS, connection_params: DEFAULT_CONNECTION_PARAMS, &block)
  factory = _factory(
    source_data: source_data,
    table_name: table_name,
    klass_namespaces: klass_namespaces,
    klass_basename: klass_basename,
    columns: columns,
    indexes: indexes,
    timestamps: timestamps,
    parent_klass: parent_klass,
    connection_params: connection_params,
    &block
  )
  factory.run
end

.factory!(source_data: [], table_name: nil, klass_namespaces: [], klass_basename: nil, columns: [], indexes: [], timestamps: true, parent_klass: DEFAULT_PARENT_KLASS, connection_params: DEFAULT_CONNECTION_PARAMS, &block) ⇒ Object

Initializes instances of a pseudo anonymous class in a particular namespace of your choosing.



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# File 'lib/anonymous_active_record.rb', line 110

def factory!(source_data: [], table_name: nil, klass_namespaces: [], klass_basename: nil, columns: [], indexes: [], timestamps: true, parent_klass: DEFAULT_PARENT_KLASS, connection_params: DEFAULT_CONNECTION_PARAMS, &block)
  factory = _factory(
    source_data: source_data,
    table_name: table_name,
    klass_namespaces: klass_namespaces,
    klass_basename: klass_basename,
    columns: columns,
    indexes: indexes,
    timestamps: timestamps,
    parent_klass: parent_klass,
    connection_params: connection_params,
    &block
  )
  factory.run!
end

.generate(table_name: nil, klass_namespaces: [], klass_basename: nil, columns: [], indexes: [], timestamps: true, parent_klass: DEFAULT_PARENT_KLASS, connection_params: DEFAULT_CONNECTION_PARAMS, &block) ⇒ Object

Defines a pseudo anonymous class in a particular namespace of your choosing.



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# File 'lib/anonymous_active_record.rb', line 51

def generate(table_name: nil, klass_namespaces: [], klass_basename: nil, columns: [], indexes: [], timestamps: true, parent_klass: DEFAULT_PARENT_KLASS, connection_params: DEFAULT_CONNECTION_PARAMS, &block)
  gen = AnonymousActiveRecord::Generator.new(table_name, klass_namespaces, klass_basename, parent_klass)
  klass = gen.generate(&block)
  connection_params = YAML.load_file(connection_params) if connection_params.is_a?(String)
  klass.establish_connection(connection_params.dup)
  klass.connection.create_table(gen.table_name) do |t|
    columns.each do |col|
      if col.is_a?(Hash)
        # :name and :type are required at minimum
        name = col.delete(:name)
        type = col.delete(:type)
        t.column(name, type, **col)
      elsif col.is_a?(Array)
        options = col.extract_options!
        if options.present?
          t.column(*col, **options)
        elsif col.length == 1
          t.column(col[0], :string)
        else
          t.column(col[0], col[-1] || :string)
        end
      else
        t.column(col, :string)
      end
    end
    indexes.each do |idx_options|
      if idx_options.is_a?(Hash)
        column_names = idx_options.delete(:columns)
        t.index(column_names, **idx_options)
      elsif idx_options.is_a?(Array)
        options = idx_options.extract_options!
        t.index(*idx_options, **options)
      else
        t.index(idx_options)
      end
    end
    t.timestamps if timestamps
  end
  klass
end