module AppliedProjectHelper

  def applied_css(project)
    id = project.id
    "#{project.class.to_s.underscore}-#{id}-applied"
  end

  def applied_link(project, user, options=[])
    return '' unless user && user.logged?
    applied = project.applied_projects.find_by_user_id(user.id)
    text = applied ? l(:label_unapply_project) : l(:label_apply_project)

    @applied_flag = project.instance_of?(Project)
    css =  @applied_flag ? ([applied_css(project), applied ? 'icon ' : 'icon '].join(' ') << options[0].to_s) :
        ([applied_css(project), applied ? 'icon icon-applied ' : 'icon icon-applied-off '].join(' ') << options[0].to_s)
    if applied
      appliedid =  applied.id
    end
    url = appliedproject_path(
        :id=>appliedid,
        :user_id => user.id,
        :project_id => project.id
    )
    method = applied ? 'delete' : 'post'

    link_to text, url, :remote => true, :method => method ,:class=>css
  end
end