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acts_as_confirmable is useful when you want to know who ticked a check box and when they did so.

This plugin treats a datetime attribute and an integer attribute as a boolean. This boolean can then be used as normal attribute in a check box (or in any part of the program) and when it is checked, the datetime records the moment and the integer records the id of the current user.

It is assumed that there is a Users table and that the current user can be found at User.current_user. If the current user cannot be accessed then 1 is used as the id.

Installation

$ cd vendor/plugins
$ git checkout git://github.com/kumo/acts_as_confirmable/tree

Usage

• On models where you want to be able to confirm X add a X_confirmed_at datetime and X_confirmed_by integer.
• In the model put acts_as_confirmed :X
• In the views add check boxes (check_box :X)

Example

create a new rails app

$ rails confirm
$ cd confirm

create users table and items table with 3 confirmable fields

$ script/generate scaffold user name:string
$ script/generate scaffold item name:string \
          started_confirmed_by:integer started_confirmed_at:datetime \
          finished_confirmed_by:integer finished_confirmed_at:datetime \
          ready_confirmed_by:integer ready_confirmed_at:datetime

add the plugin to the model

class Item < ActiveRecord::Base
  acts_as_confirmable :started, :finished, :ready
end

add 3 check boxes in items/new.html.erb and items/edit.html.erb

<p>
  <%= f.label :started %><br />
  <%= f.check_box :started %> 
</p>
<p>
  <%= f.label :finished %><br />
  <%= f.check_box :finished %> 
</p>
<p>
  <%= f.label :ready %><br />
  <%= f.check_box :ready %> 
</p>

show the confirmation info in items/list.html.erb

<td><%=h item.started? %> <%= item.started_confirmer.name if item.started? %></td>

example of assigning a user to current_user

class User < ActiveRecord::Base
  cattr_accessor :current_user
end

class ItemsController < ApplicationController
  before_filter :load_user

  def load_user
    User.current_user = User.find(:first)
  end
end

Available fields

If a model has the attributes fields started_confirmed_at and started_confirmed_by, then the plugin provides:

• started? — true if it has been confirmed by someone on a specific date
• started — same as above but is normally used by a check box tag
• started= — the assignment method that is used by the check box when posting
• started_confirmer — the user that confirmed it
• started_at — when it was confirmed