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How to define service objects in Rails: the simple way
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| # frozen_string_literal: true | |
| class ApplicationService | |
| def self.call(...) | |
| new(...).call | |
| end | |
| def initialize(...) | |
| end | |
| end | |
| class CurrentIpService < ApplicationService | |
| def initialize(request) | |
| super | |
| @request = request | |
| end | |
| def call | |
| ip_headers = [ | |
| @request.env["HTTP_CF_CONNECTING_IP"], | |
| @request.env["HTTP_CLIENT_IP"], | |
| @request.env["HTTP_X_FORWARDED_FOR"], | |
| @request.env["HTTP_X_FORWARDED"], | |
| @request.env["HTTP_FORWARDED_FOR"], | |
| @request.env["HTTP_FORWARDED"], | |
| @request.env["REMOTE_ADDR"] | |
| ] | |
| (ip_headers.find(&:present?) || "127.0.0.1").split(",").first | |
| end | |
| end | |
| CurrentIpService.call(request) |
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