accepts-flattened-values
accepts-flattened-values is an ActiveRecord mixin to flatten a has_many or has_and_belongs_to_many assocation.
Description
accepts-flattened-values is a mixin for ActiveRecord to be used on any model with a has_many or has_and_belongs_to_many
association. The purpose of this mixin is to simplify a tag like association for any model or association.
Installation
Add this line to your application's Gemfile:
gem "accepts-flattened-values"And then execute:
$ bundle install
Or install it yourself as:
$ gem install accepts-flattened-values
Usage
require "accepts-flattened-values"
create_table(:users) { |t| t.string :name }
create_table(:interests) { |t| t.string :value }
create_table(:interests_users, id: false) do |t|
t.references :interest
t.references :user
end
class Interest < ActiveRecord::Base
attr_accessible :value
end
class User < ActiveRecord::Base
include AcceptsFlattenedValues
attr_accessible :name
has_and_belongs_to_many :interests
accepts_flattened_values_for :interests
end
user = User.create!(name: "Sam")
user.interests.create!(value: "ruby")
user.interests.create!(value: "ruby on rails")
user.interests.create!(value: "starcraft")
user.interests_values # => "ruby,ruby on rails,starcraft"
user.interests_values = "ruby,battlefield"
user.interests # => [#<Interest value: "ruby">, #<Interest value: "battlefield">]
<%= form_for @user do |f| %>
<%= f.label :interests_values %>:
<%= f.text_field :interests_values %>
<% end %>Contributing
Fork, branch & pull request.