trustieforge/app/controllers/org_courses_controller.rb

class OrgCoursesController < ApplicationController
  def create
    org_ids = params[:orgNames]
    @course = Course.find(params[:course_id])
    org_ids.each do |org_id|
      if OrgCourse.where("organization_id =? and course_id =?", org_id.to_i, params[:course_id].to_i).count == 0
        OrgCourse.create(:organization_id => org_id.to_i, :course_id => params[:course_id].to_i, :created_at => Time.now)
      end
    end
    respond_to do |format|
      format.js
    end
  end

  def destroy
    @course = Course.find(params[:course_id])
    @org_course = OrgCourse.find(params[:id])
    @org_course.destroy
    course_org_ids = OrgCourse.find_by_sql("select distinct organization_id from org_courses where course_id = #{@course.id}").map(&:organization_id)
    if course_org_ids.empty?
      @orgs_not_in_course = User.current.organizations
    else
      course_org_ids = "(" + course_org_ids.join(',') +  ")"
      @orgs_not_in_course =  User.current.organizations.where("organizations.id not in #{course_org_ids}")
    end
    respond_to do |format|
      format.js
    end
  end
end