{"id":19252211,"url":"https://github.com/rails-engine/form-select","last_synced_at":"2025-04-21T13:30:44.249Z","repository":{"id":56847561,"uuid":"154080107","full_name":"rails-engine/form-select","owner":"rails-engine","description":"Rails form select 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FormSelect\n\n[![Build Status](https://travis-ci.org/rails-engine/form-select.svg?branch=master)](https://travis-ci.org/rails-engine/form-select)\n\n[中文介绍与说明](https://ruby-china.org/topics/37668)\n\nA simple improve for Rails form select helper.\n\nWe need use `form.select ::category_id, Category.collect { |record| [record.name, record.id] }` in so many case.\n\nThis gem give use a simple way.\n\n## Usage\n\n```rb\ngem \"form-select\"\n```\n\napp/model/category.rb\n\n```rb\nclass Category\n  form_select :name, scope: -\u003e { order(\"name asc\") }\n  form_select :reverse_name, field: [:name, :id], scope: -\u003e { order(\"name desc\") }\nend\n\nclass User\n  form_select :login, field: [:login, :to_param], scope: -\u003e { order(\"id desc\") }\n  form_select :email\n  form_select :email_value, field: :email\n  form_select :city, field: :city, scope: -\u003e { where(\"city is not null\").select(:city).distinct }\n\n  def to_param\n    login.downcase\n  end\nend\n\nclass Post\n  form_select :author, field: [:author], scope: -\u003e { where(\"author is not null\").select(:author).distinct }\nend\n```\n\nNow you got the helper methods:\n\n```rb\nirb\u003e Category.name_options\n =\u003e [[\"Android\", 3], [\"iOS\", 2], [\"News\", 1]]\nirb\u003e Category.reverse_name_options\n =\u003e [[\"News\", 1], [\"iOS\", 2], [\"Android\", 3]]\nirb\u003e User.login_options\n =\u003e [[\"Foo\", \"foo\"], [\"Mike\", \"mike\"], [\"Jason\", \"jason\"]]\nirb\u003e User.email_options\n =\u003e [[\"jason@gmail.com\", 10], [\"mike@foo.com\", 11], [\"foo@bar.com\", 12]]\nirb\u003e User.email_value_options\n =\u003e [[\"jason@gmail.com\", \"jason@gmail.com\"], [\"mike@foo.com\", \"mike@foo.com\"], [\"foo@bar.com\", \"foo@bar.com\"]]\nirb\u003e User.city_options\n =\u003e [[\"NewYork\", \"NewYork\"], [\"San Francisco\", \"San Francisco\"], [\"Chicago\", \"Chicago\"]]\nirb\u003e Post.author_options\n =\u003e [[\"Jason\", \"Jason\"], [\"Mike\", \"Mike\"], [\"Foor\", \"Foo\"]]\n```\n\nSo you can easy use it in Rails form:\n\n```erb\n\u003c%= form_with(model: post, local: true) do |form| %\u003e\n  \u003cdiv class=\"field\"\u003e\n    \u003c%= form.label :title %\u003e\n    \u003c%= form.text_field :title %\u003e\n  \u003c/div\u003e\n\n  \u003cdiv class=\"field\"\u003e\n    \u003c%= form.label :user_id %\u003e\n    \u003c%= form.select :user_id, User.email_options %\u003e\n  \u003c/div\u003e\n\n  \u003cdiv class=\"field\"\u003e\n    \u003c%= form.label :city %\u003e\n    \u003c%= form.select :city, User.city_options %\u003e\n  \u003c/div\u003e\n\n  \u003cdiv class=\"field\"\u003e\n    \u003c%= form.label :category_id %\u003e\n    \u003c%= form.select :category_id, Category.name_options %\u003e\n  \u003c/div\u003e\n\n  \u003cdiv class=\"actions\"\u003e\n    \u003c%= form.submit %\u003e\n  \u003c/div\u003e\n\u003c% end %\u003e\n```\n\n## License\nThe gem is available as open source under the terms of the [MIT License](https://opensource.org/licenses/MIT).\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Frails-engine%2Fform-select","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Frails-engine%2Fform-select","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Frails-engine%2Fform-select/lists"}