Usefultag

Let Ruby on Rails ActiveRecord has many useful tags.

Usage

How to use my plugin.

Installation

Add this line to your application's Gemfile:

gem 'usefultag'

And then execute:

bundle
rails usefultag:install:migrations
rails db:migrate

AcitveController

private
def book_params
  ...
  book_tags: []
  ...
end

AcitveRecord Model

has_many_useful_tags :book_tags

# Mode methods
book_tags_str('-')
#=> tag1-tag2-tag3
book_tags_str
#=> tag1,tag2,tag3

View

<%= form_with(model: book, local: true) do |form| %>
  ...
  <div class="field">
    <%= form.label :book_tags %>
    <%= form.useful_tags_field :book_tags %>
  </div>
  ...
<% end %>

This will generate a input, all available tags will pop up when foucs on the input.

Just click on those added tags for remove them.

Remember to permit params in Controller

Scope

class Comment < ApplicationRecord
  belongs_to :post
  has_many_useful_tags :tags, scope: :post_id
end

This can set every post have diffrent tags on comments.

<%= form_with(model: comment, local: true) do |form| %>
  ...
  <div class="field">
    <%= form.label :tags %>
    <%= form.useful_tags_field :tags, scope: comment.post_id %>
  </div>
  ...
<% end %>

Manage Tags

Mount usefultag to main app route.

Rails.application.routes.draw do
  mount Usefultag::Engine => "/usefultag"
end

Contributing

License

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