Added IP address model

Necessary to model the response.

RuboCop is updated to ignore the variable name issues since this stems from the API design. The model translates the keys to prevent this design flaw from permeating further downstream at least.

Milestone: minor

.config/rubocop/config.yml

@@ -7,6 +7,9 @@ Metrics/ParameterLists:
 Naming/VariableNumber:
   Exclude:
     - lib/trmnl/api/contracts/ip_address.rb
+    - lib/trmnl/api/models/ip_address.rb
+    - spec/lib/trmnl/api/models/ip_address_spec.rb
 Style/IpAddresses:
   Exclude:
     - spec/lib/trmnl/api/types_spec.rb
+    - spec/lib/trmnl/api/models/ip_address_spec.rb

lib/trmnl/api/container.rb

@@ -33,6 +33,7 @@ module TRMNL
         register :current_screen, Models::CurrentScreen
         register :display, Models::Display
         register :firmware, Models::Firmware
+        register :ip_address, Models::IPAddress
         register :model, Models::Model
         register :setup, Models::Setup
       end

lib/trmnl/api/models/ip_address.rb

@@ -0,0 +1,14 @@
+# frozen_string_literal: true
+
+module TRMNL
+  module API
+    module Models
+      # IPs API response.
+      IPAddress = Data.define :version_4, :version_6 do
+        def self.for attributes
+          new(**attributes.transform_keys(ipv4: :version_4, ipv6: :version_6))
+        end
+      end
+    end
+  end
+end

spec/lib/trmnl/api/models/ip_address_spec.rb

@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+require "spec_helper"
+
+RSpec.describe TRMNL::API::Models::IPAddress do
+  describe ".for" do
+    it "answers record for attributes" do
+      attributes = {ipv4: ["192.168.1.10"], ipv6: ["1a00:100:100:1000::1"]}
+
+      expect(described_class.for(attributes)).to eq(
+        described_class[
+          version_4: ["192.168.1.10"],
+          version_6: ["1a00:100:100:1000::1"]
+        ]
+      )
+    end
+  end
+end