From: Greg Ma <gregorylepacha@...>
Date: 2010-02-16T14:47:08+09:00
Subject: Find by association table

Hi,
I did a the method below that return all students who has the method
parameter in their tags collection.
I am sure this is pretty by coded, could someone help clean it up please
:)


#method
  def find_student_by_tag(tag)
    result = Tag.find_by_name(:first, :conditions => ["name LIKE ?",
"%#{tag}%"])
    students = Student.find(:all)

    students.each do |student|
      students.delete(student) unless
students.tags.find_by_name(result.name)
    end
    students
  end

Greg
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