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We haven't used this for a while. If you would like to take over ownership of this repo, please let us know.


Sortable-model provides a DSL for creating named scopes that order the object in question based on its own attributes or those of its associations. It also provides a method for calling those scopes that allows the values to come directly from params without the risk of arbitrary code execution.


# Schema: # Student: id (primary key), name (string), :major (string) # Papers: id (primary key), student_id (int), title (string), grade (int)

class Student < ActiveRecord::Base

has_many :papers


can_sort_by :name 
  #=> student.sorted_by(:name) is students ordered by name DESC
  #=> student.sorted_by(:name, true) is students ordered by name ASC
can_sort_by :grades, :papers => :grade
  #=> student.sorted_by(:grades) is student ordered by the grades of her papers DESC
can_sort_by :something_complicated, lambda { |stdnt|
  # some code that returns an order hash
  #=> This one is really just a named scope that can use the sorted_by sanitizing method


The #sorted_by method takes either strings or symbols for the name of the sorter.

Note on Patches/Pull Requests

  • Fork the project.

  • Make your feature addition or bug fix.

  • Add tests for it. This is important so I don't break it in a future version unintentionally.

  • Commit, do not mess with rakefile, version, or history. (if you want to have your own version, that is fine but bump version in a commit by itself I can ignore when I pull)

  • Send me a pull request. Bonus points for topic branches.


Copyright © 2010 EdgeCase LLC. See LICENSE for details.

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