class Kuroko2::JobTimelinesController

def assigned_definitions
  rel = @user.assigned_job_definitions
  rel = rel.tagged_by(params[:tag]) if params[:tag].present?
  rel
end

def dataset
  find_user
  set_period
  definition_ids = []
  definition_ids << my_difinitions.pluck(:id)
  definition_ids << assigned_definitions.pluck(:id)
  @instances = Kuroko2::JobInstance.includes(:job_definition).
    where(job_definition_id: definition_ids.flatten.uniq, created_at: @start_at..@end_at).
    order(:created_at)
end

def find_user
  if params[:user_id]
    @user = Kuroko2::User.find(params[:user_id])
  else
    @user = current_user
  end
end

def index
  find_user
end

def my_difinitions
  rel = @user.job_definitions
  rel = rel.tagged_by(params[:tag]) if params[:tag].present?
  rel
end

def set_period
  @end_at   = Time.current
  @start_at =
    case params[:period]
    when /\A(\d+)h\z/
      $1.to_i.hours.ago(@end_at)
    when /\A(\d+)d\z/
      $1.to_i.days.ago(@end_at)
    when /\A(\d+)w\z/
      $1.to_i.weeks.ago(@end_at)
    else
      1.hour.ago(@end_at)
    end
end