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# frozen_string_literal: true
module Ml
class Candidate < ApplicationRecord
enum status: { running: 0, scheduled: 1, finished: 2, failed: 3, killed: 4 }
validates :iid, :experiment, presence: true
validates :status, inclusion: { in: statuses.keys }
belongs_to :experiment, class_name: 'Ml::Experiment'
belongs_to :user
has_many :metrics, class_name: 'Ml::CandidateMetric'
has_many :params, class_name: 'Ml::CandidateParam'
has_many :metadata, class_name: 'Ml::CandidateMetadata'
has_many :latest_metrics, -> { latest }, class_name: 'Ml::CandidateMetric', inverse_of: :candidate
attribute :iid, default: -> { SecureRandom.uuid }
scope :including_metrics_and_params, -> { includes(:latest_metrics, :params) }
def artifact_root
"/#{package_name}/#{package_version}/"
end
def artifact
::Packages::Generic::PackageFinder.new(experiment.project).execute!(package_name, package_version)
rescue ActiveRecord::RecordNotFound
nil
end
def package_name
"ml_candidate_#{iid}"
end
def package_version
'-'
end
class << self
def with_project_id_and_iid(project_id, iid)
return unless project_id.present? && iid.present?
joins(:experiment).find_by(experiment: { project_id: project_id }, iid: iid)
end
end
end
end
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