SysMO-DB/seek

module WorkGroupsHelper
  def work_group_select_choices
    WorkGroup.all.map{|wg| [wg.project.title+" at "+wg.institution.title,wg.id]}
  end
  
  WorkGroupOption = Struct.new(:id, :institution_name)
  
  class ProjectType 
    attr_reader :project_name, :options, :project,:editable
    attr_writer :options
    def initialize(project,editable)
      @project=project
      @project_name=project.title
      @options = []
      @editable = editable
    end
    
    def <<(option)
      @options << option
    end
  end
  
  def work_group_groups_for_selection(person)
    options = []
    last_project=nil
    #if current_user is project manager and not admin, load work_groups of projects he is in
    if project_manager_logged_in? && !admin_logged_in? && !Seek::Config.is_virtualliver
      work_groups = current_user.person.projects.collect(&:work_groups).flatten.uniq
    else
      work_groups = WorkGroup.includes(:project,:institution)
    end

    work_groups.select!{|wg| wg.project.can_be_administered_by?(current_user)}

    work_groups = work_groups | person.work_groups

    work_groups = work_groups.sort do |a,b|
      x=a.project.title <=> b.project.title
      x=a.institution.title <=> b.institution.title if x.zero?
      x
    end
    
    work_groups.each do |wg|
      if (last_project.nil? or last_project.project != wg.project)
        options << last_project unless last_project.nil?
        last_project=ProjectType.new(wg.project,wg.project.can_be_administered_by?(current_user))
      end
      last_project << WorkGroupOption.new(wg.id, wg.institution.title)
    end
    
    options << last_project unless last_project.nil?

    return options   
  end
  
end