Add NCMall.load_styles method, not yet used

I only now thought through that I can scrape these instead of enter
them manually, similar to how we did our Rainbow Pool scraper… hooray!

I'm actually writing tests for stuff too, wowie!

Gemfile

@@ -90,4 +90,5 @@ gem "solargraph-rails", "~> 1.1", group: :development
 # For automated tests.
 group :development, :test do
 	gem "rspec-rails", "~> 7.0"
+	gem "webmock", "~> 3.24", group: :test
 end

Gemfile.lock

@@ -128,6 +128,9 @@ GEM
       fiber-annotation
       fiber-local (~> 1.1)
       json
+    crack (1.0.0)
+      bigdecimal
+      rexml
     crass (1.0.6)
     csv (3.3.0)
     date (3.3.4)
@@ -182,6 +185,7 @@ GEM
       temple (>= 0.8.2)
       thor
       tilt
+    hashdiff (1.1.2)
     hashie (5.0.0)
     http_accept_language (2.1.1)
     httparty (0.22.0)
@@ -496,6 +500,10 @@ GEM
       activesupport
       faraday (~> 2.0)
       faraday-follow_redirects
+    webmock (3.24.0)
+      addressable (>= 2.8.0)
+      crack (>= 0.3.2)
+      hashdiff (>= 0.4.0, < 2.0.0)
     webrick (1.8.2)
     websocket-driver (0.7.6)
       websocket-extensions (>= 0.1.0)
@@ -549,6 +557,7 @@ DEPENDENCIES
   thread-local (~> 1.1)
   turbo-rails (~> 2.0)
   web-console (~> 4.2)
+  webmock (~> 3.24)
   will_paginate (~> 4.0)
 
 RUBY VERSION

app/services/neopets/nc_mall.rb

@@ -45,6 +45,34 @@ module Neopets::NCMall
 			uniq
 	end
 
+	STYLING_STUDIO_URL = "https://www.neopets.com/np-templates/ajax/stylingstudio/studio.php"
+	def self.load_styles(species_id:, neologin:)
+		Sync do
+			INTERNET.post(
+				STYLING_STUDIO_URL,
+				headers: [
+					["User-Agent", Rails.configuration.user_agent_for_neopets],
+					["Content-Type", "application/x-www-form-urlencoded"],
+					["Cookie", "neologin=#{neologin}"],
+					["X-Requested-With", "XMLHttpRequest"],
+				],
+				body: {tab: 1, mode: "getStyles", species: species_id}.to_query,
+			) do |response|
+				if response.status != 200
+					raise ResponseNotOK.new(response.status),
+						"expected status 200 but got #{response.status} (#{STYLING_STUDIO_URL})"
+				end
+
+				begin
+					data = JSON.parse(response.read).deep_symbolize_keys
+					data.fetch(:styles).values
+				rescue JSON::ParserError, KeyError
+					raise UnexpectedResponseFormat
+				end
+			end
+		end
+	end
+
 	private
 
 	def self.load_page_by_url(url)

spec/services/nc_mall_spec.rb

@@ -0,0 +1,80 @@
+require 'rails_helper'
+require 'webmock/rspec'
+
+RSpec.describe Neopets::NCMall, type: :model do
+	describe ".load_styles" do
+		def stub_styles_request
+			stub_request(:post, "https://www.neopets.com/np-templates/ajax/stylingstudio/studio.php").
+				with(
+					headers: {
+						"Content-Type": "application/x-www-form-urlencoded",
+						"X-Requested-With": "XMLHttpRequest",
+						"Cookie": "neologin=STUB_NEOLOGIN"
+					},
+					body: "mode=getStyles&species=2&tab=1",
+				)
+		end
+
+		subject(:styles) do
+			Neopets::NCMall.load_styles(
+				species_id: 2,
+				neologin: "STUB_NEOLOGIN",
+			)
+		end
+
+		it "loads current NC styles from the NC Mall" do
+			stub_styles_request.to_return(
+				body: '{"success":true,"styles":{"87966":{"oii":87966,"name":"Nostalgic Alien Aisha","image":"https:\/\/images.neopets.com\/items\/nostalgic_alien_aisha.gif","limited":false},"87481":{"oii":87481,"name":"Nostalgic Sponge Aisha","image":"https:\/\/images.neopets.com\/items\/nostalgic_sponge_aisha.gif","limited":false},"90031":{"oii":90031,"name":"Celebratory Anniversary Aisha","image":"https:\/\/images.neopets.com\/items\/624dc08bcf.gif","limited":true},"90050":{"oii":90050,"name":"Nostalgic Tyrannian Aisha","image":"https:\/\/images.neopets.com\/items\/b225e06541.gif","limited":true}}}',
+			)
+
+			expect(styles).to contain_exactly(
+				{
+					oii: 87481,
+					name: "Nostalgic Sponge Aisha",
+					image: "https://images.neopets.com/items/nostalgic_sponge_aisha.gif",
+					limited: false,
+				},
+				{
+					oii: 87966,
+					name: "Nostalgic Alien Aisha",
+					image: "https://images.neopets.com/items/nostalgic_alien_aisha.gif",
+					limited: false,
+				},
+				{
+					oii: 90031,
+					name: "Celebratory Anniversary Aisha",
+					image: "https://images.neopets.com/items/624dc08bcf.gif",
+					limited: true,
+				},
+				{
+					oii: 90050,
+					name: "Nostalgic Tyrannian Aisha",
+					image: "https://images.neopets.com/items/b225e06541.gif",
+					limited: true,
+				}
+			)
+		end
+
+		it "raises an error if the request returns a non-200 status" do
+			stub_styles_request.to_return(status: 400)
+
+			expect { styles }.to raise_error(Neopets::NCMall::ResponseNotOK)
+		end
+
+		it "raises an error if the request returns a non-JSON response" do
+			stub_styles_request.to_return(
+				body: "Oops, this request failed for some weird reason!",
+			)
+
+			expect { styles }.to raise_error(Neopets::NCMall::UnexpectedResponseFormat)
+		end
+
+		it "raises an error if the request returns unexpected JSON" do
+			stub_styles_request.to_return(
+				body: '{"success": false}',
+			)
+
+			expect { styles }.to raise_error(Neopets::NCMall::UnexpectedResponseFormat)
+		end
+	end
+end