app/models/alt_style.rb

@@ -32,13 +32,11 @@ class AltStyle < ApplicationRecord
   }
   scope :by_series_main_name, -> {
     # The main part of the series name, like "Nostalgic".
-    # If there's no colon, uses the whole string.
     order(Arel.sql("SUBSTRING_INDEX(series_name, ': ', -1)"))
   }
   scope :by_series_variant_name, -> {
     # The variant part of the series name, like "Prismatic Cyan".
-    # If there's no colon, uses an empty string.
-    order(Arel.sql("SUBSTRING(series_name, 1, LOCATE(': ', series_name) - 1)"))
+    order(Arel.sql("SUBSTRING_INDEX(series_name, ': ', 1)"))
   }
   scope :by_color_name, -> {
     joins(:color).order(Color.arel_table[:name])

app/services/neopets/nc_mall.rb

@@ -60,7 +60,7 @@ module Neopets::NCMall
 					["Cookie", "neologin=#{neologin}"],
 					["X-Requested-With", "XMLHttpRequest"],
 				],
-				{tab:, mode: "getAvailable", species: species_id}.to_query,
+				{tab:, mode: "getStyles", species: species_id}.to_query,
 			) do |response|
 				if response.status != 200
 					raise ResponseNotOK.new(response.status),

spec/services/nc_mall_spec.rb

@@ -58,7 +58,7 @@ RSpec.describe Neopets::NCMall, type: :model do
 						"Cookie": "neologin=STUB_NEOLOGIN",
 						"User-Agent": Rails.configuration.user_agent_for_neopets,
 					},
-					body: "mode=getAvailable&species=2&tab=#{tab}",
+					body: "mode=getStyles&species=2&tab=#{tab}",
 				)
 		end