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Sequel enum_values plugin

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A Sequel plugin that provides enum_values(field) method to your models.

Installation

Bundler

Add this line to your project's Gemfile:

gem 'sequel-enum_values', require: 'sequel/plugins/enum_values'

And then execute:

$ bundle

Manually

Install this gem as:

$ gem install sequel-enum_values

And then require it in your project:

require 'sequel/plugins/enum_values'

Usage

If you have database schema like this:

create_enum :item_type, %w[first second third]
create_enum :item_status, %w[created selected canceled]

create_table :items do
  primary_key :id
  column :type, :item_type
  column :status, :item_status
end

Then you can use it like this:

class Item < Sequel::Model
  plugin :enum_values
end

Item.enum_values(:type) # => ["first", "second", "third"]
Item.enum_values(:status) # => ["created", "selected", "canceled"]

Caching

Plugin caches enum values for each field by default.

But you can disable it:

Item.plugin :enum_values, caching: false

Predicate methods

Plugin can define instance methods for all enum values:

Item.plugin :enum_values, predicate_methods: true # default is `false`

item = Item.new(type: 'first', status: 'created')

item.first? # => true
item.second? # => false

item.created? # => true
item.selected? # => false

Or just for specific fields:

Item.plugin :enum_values, predicate_methods: %i[status]
# or just `:status` for single value

item = Item.new(type: 'first', status: 'created')

item.first? # => NoMethodError

item.created? # => true
item.selected? # => false

Development

After checking out the repo, run bundle install to install dependencies.

Then, run toys rspec to run the tests.

To install this gem onto your local machine, run toys gem install.

To release a new version, run toys gem release %version%. See how it works here.

Contributing

Bug reports and pull requests are welcome on GitHub.

License

The gem is available as open source under the terms of the MIT License.

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Sequel plugin that provides method for getting `pg_enum` values

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