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# frozen_string_literal: true
module Gitlab
module Metrics
module Dashboard
module Validator
class PostSchemaValidator
def initialize(metric_ids:, project: nil, dashboard_path: nil)
@metric_ids = metric_ids
@project = project
@dashboard_path = dashboard_path
end
def validate
errors = []
errors << uniq_metric_ids
errors.compact
end
private
attr_reader :project, :metric_ids, :dashboard_path
def uniq_metric_ids
return Validator::Errors::DuplicateMetricIds.new if metric_ids.uniq!
uniq_metric_ids_across_project if project.present? || dashboard_path.present?
end
# rubocop: disable CodeReuse/ActiveRecord
def uniq_metric_ids_across_project
return ArgumentError.new(_('Both project and dashboard_path are required')) unless
dashboard_path.present? && project.present?
# If PrometheusMetric identifier is not unique across project and dashboard_path,
# we need to error because we don't know if the user is trying to create a new metric
# or update an existing one.
identifier_on_other_dashboard = PrometheusMetric.where(
project: project,
identifier: metric_ids
).where.not(
dashboard_path: dashboard_path
).exists?
Validator::Errors::DuplicateMetricIds.new if identifier_on_other_dashboard
end
# rubocop: enable CodeReuse/ActiveRecord
end
end
end
end
end
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