46 lines
1.5 KiB
Ruby
46 lines
1.5 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module Config
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module Entry
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module Validators
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# Include this module to validate deeply nested array of values
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#
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# class MyNestedValidator < ActiveModel::EachValidator
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# include NestedArrayHelpers
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#
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# def validate_each(record, attribute, value)
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# max_depth = options.fetch(:max_depth, 1)
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#
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# unless validate_nested_array(value, max_depth) { |v| v.is_a?(Integer) }
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# record.errors.add(attribute, "is invalid")
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# end
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# end
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# end
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#
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module NestedArrayHelpers
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def validate_nested_array(value, max_depth = 1, &validator_proc)
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return false unless value.is_a?(Array)
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validate_nested_array_recursively(value, max_depth, &validator_proc)
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end
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private
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# rubocop: disable Performance/RedundantBlockCall
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# Disables Rubocop rule for easier readability reasons.
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def validate_nested_array_recursively(value, nesting_level, &validator_proc)
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return true if validator_proc.call(value)
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return false if nesting_level <= 0
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return false unless value.is_a?(Array)
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value.all? do |element|
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validate_nested_array_recursively(element, nesting_level - 1, &validator_proc)
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end
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end
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# rubocop: enable Performance/RedundantBlockCall
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end
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end
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end
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end
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end
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