Question

What is the best way to display group data?

Currently in my controller I have:

@items = Item.order("group_name")

Then in my view I can iterate through it:

- @items.each do |item|
  %p= item.name

What would be the cleanest and most efficient approach to produce something like this:

<strong>Group Name 1</strong>
<p>Item 1</p>
<p>Item 2</p>
<strong>Group Name 2</strong>
<p>Item 1</p>

Answer 1

Controller

@items = Item.sanitized_and_ordered

Model

class Item <<  ActiveRecord::Base
scope :ordered_group ,order('group_name')

class << self
   def sanitized_and_ordered
      ordered_group.group_by {|item| item.group_name}
   end
 end
end

View

- @items.each_pair do |key,value|
  %p= key
   - value.each do |item|
      %p= item.name