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# frozen_string_literal: true
class Packages::Npm::Metadatum < ApplicationRecord
MAX_PACKAGE_JSON_SIZE = 20_000
MIN_PACKAGE_JSON_FIELD_SIZE_FOR_ERROR_TRACKING = 5_000
NUM_FIELDS_FOR_ERROR_TRACKING = 5
belongs_to :package, -> { where(package_type: :npm) }, inverse_of: :npm_metadatum
validates :package, presence: true
# From https://github.com/npm/registry/blob/master/docs/responses/package-metadata.md#abbreviated-version-object
validates :package_json, json_schema: { filename: "npm_package_json" }
validate :ensure_npm_package_type
validate :ensure_package_json_size
scope :package_id_in, ->(package_ids) { where(package_id: package_ids) }
private
def ensure_npm_package_type
return if package&.npm?
errors.add(:base, _('Package type must be NPM'))
end
def ensure_package_json_size
return if package_json.to_s.size < MAX_PACKAGE_JSON_SIZE
errors.add(:package_json, :too_large,
message: format(
_('structure is too large. Maximum size is %{max_size} characters'),
max_size: MAX_PACKAGE_JSON_SIZE
)
)
end
end
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