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Contents
---
title: Sorting
---
# Sorting
## Sorting in the View
You can add a form to capture sorting and filtering options together.
```erb
# app/views/posts/index.html.erb
<%= search_form_for @q do |f| %>
<%= f.label :title_cont %>
<%= f.search_field :title_cont %>
<%= f.submit "Search" %>
<% end %>
<table>
<thead>
<tr>
<th><%= sort_link(@q, :title, "Title") %></th>
<th><%= sort_link(@q, :category, "Category") %></th>
<th><%= sort_link(@q, :created_at, "Created at") %></th>
</tr>
</thead>
<tbody>
<% @posts.each do |post| %>
<tr>
<td><%= post.title %></td>
<td><%= post.category %></td>
<td><%= post.created_at.to_s(:long) %></td>
</tr>
<% end %>
</tbody>
</table>
```
## Sorting in the Controller
To specify a default search sort field + order in the controller `index`:
```ruby
# app/controllers/posts_controller.rb
class PostsController < ActionController::Base
def index
@q = Post.ransack(params[:q])
@q.sorts = 'title asc' if @q.sorts.empty?
@posts = @q.result(distinct: true)
end
end
```
Multiple sorts can be set by:
```ruby
# app/controllers/posts_controller.rb
class PostsController < ActionController::Base
def index
@q = Post.ransack(params[:q])
@q.sorts = ['title asc', 'created_at desc'] if @q.sorts.empty?
@posts = @q.result(distinct: true)
end
end
```
Version data entries
6 entries across 5 versions & 2 rubygems