# frozen_string_literal: true

module Ci
  class JobsFinder
    include Gitlab::Allowable

    def initialize(current_user:, project: nil, params: {})
      @current_user = current_user
      @project = project
      @params = params
    end

    def execute
      builds = init_collection.order_id_desc
      filter_by_scope(builds)
    rescue Gitlab::Access::AccessDeniedError
      Ci::Build.none
    end

    private

    attr_reader :current_user, :project, :params

    def init_collection
      project ? project_builds : all_builds
    end

    def all_builds
      raise Gitlab::Access::AccessDeniedError unless current_user&.admin?

      Ci::Build.all
    end

    def project_builds
      raise Gitlab::Access::AccessDeniedError unless can?(current_user, :read_build, project)

      project.builds.relevant
    end

    def filter_by_scope(builds)
      case params[:scope]
      when 'pending'
        builds.pending.reverse_order
      when 'running'
        builds.running.reverse_order
      when 'finished'
        builds.finished
      else
        builds
      end
    end
  end
end
