prellele/trame

class Project < ActiveRecord::Base
  attr_accessible :id, :name, :hourly_rate, :client_id, :archive

  validates_uniqueness_of :name, presence: true

  has_many :trackings, :dependent => :destroy
  has_many :users, through: :trackings
  belongs_to :client

  def trackings_for(user)
    user.can?("ViewAllTrackings", "EditAllTrackings") ? trackings : trackings.where(user_id: user.id)
  end

  def workinghours_for(user)
    trackings.where(user_id: user.id).sum(:minutes)
  end

  def weekly_workinghours_for(user)
    (trackings.where("start_time >= ?", Date.today.beginning_of_week).where(user_id: user.id).sum(:minutes)/60.to_f).round(1)
  end

  def sum_workingtime
    trackings.sum(:minutes)
  end

  def sum_workingtime_hours
    sum_workingtime / 60
  end

  def members
    trackings.map { |t| t.user.name }.uniq
  end

end