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numbata/hashid.rb

Created April 4, 2023 20:59
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  1. numbata created this gist Apr 4, 2023.
    19 changes: 19 additions & 0 deletions hashid.rb
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    # frozen_string_literal: true

    module Types
    class Hashid < GraphQL::Schema::Scalar
    graphql_name "UID"
    default_scalar true
    description "Unique identifer"

    def self.coerce_input(value, _ctx)
    HashidHelper.decode(value)
    rescue StandardError
    raise GraphQL::CoercionError, "#{value.inspect} is not a valid UID"
    end

    def self.coerce_result(value, _ctx)
    HashidHelper.encode(value)
    end
    end
    end
    22 changes: 22 additions & 0 deletions hashid_helper.rb
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    # frozen_string_literal: true

    require "hashids"

    module HashidHelper
    class << self
    delegate :encode, to: :hashid

    def decode(value)
    hashid.decode(value).first
    end

    private

    def hashid
    @hashid ||= Hashids.new(
    ENV["HASHID_SALT"] || "",
    ENV["HASHID_MIN_LENGTH"] || 10
    )
    end
    end
    end