app/controllers/pet_states_controller.rb

@@ -17,7 +17,7 @@ class PetStatesController < ApplicationController
 	protected
 
 	def find_pet_state
-		@pet_type = PetType.find_by_param!(params[:pet_type_name])
+		@pet_type = PetType.matching_name_param(params[:pet_type_name]).first!
 		@pet_state = @pet_type.pet_states.find(params[:id])
 	end
 

app/controllers/pet_types_controller.rb

@@ -70,7 +70,9 @@ class PetTypesController < ApplicationController
 				color_id: params[:color_id],
 			)
 		elsif params[:name]
-			PetType.find_by_param!(params[:name])
+			color_name, _, species_name = params[:name].rpartition("-")
+			raise ActiveRecord::RecordNotFound if species_name.blank?
+			PetType.matching_name(color_name, species_name).first!
 		else
 			raise "expected params: species_id and color_id, or name"
 		end

app/models/alt_style.rb

@@ -62,10 +62,11 @@ class AltStyle < ApplicationRecord
     "#{series_name} #{name}"
   end
 
-  EMPTY_IMAGE_URL = "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="
   def preview_image_url
-    # Use the image URL for the first asset. Or, fall back to an empty image.
-    swf_assets.first&.image_url || EMPTY_IMAGE_URL
+    swf_asset = swf_assets.first
+    return nil if swf_asset.nil?
+
+    swf_asset.image_url
   end
 
   # Given a list of items, return how they look on this alt style.

app/models/color.rb

@@ -21,10 +21,6 @@ class Color < ApplicationRecord
     end
   end
 
-  def to_param
-    name? ? human_name : id.to_s
-  end
-
   def example_pet_type(preferred_species: nil)
     preferred_species ||= Species.first
     pet_types.order([Arel.sql("species_id = ? DESC"), preferred_species.id],
@@ -40,8 +36,4 @@ class Color < ApplicationRecord
       nil
     end
   end
-
-  def self.param_to_id(param)
-    param.match?(/\A\d+\Z/) ? param.to_i : find_by_name!(param).id
-  end
 end

app/models/pet_type.rb

@@ -15,6 +15,10 @@ class PetType < ApplicationRecord
     species = Species.find_by_name!(species_name)
     where(color_id: color.id, species_id: species.id)
   }
+  scope :matching_name_param, ->(name_param) {
+    color_name, _, species_name = name_param.rpartition("-")
+    matching_name(color_name, species_name)
+  }
   scope :preferring_species, ->(species_id) {
     joins(:species).order([Arel.sql("species_id = ? DESC"), species_id])
   }
@@ -112,7 +116,7 @@ class PetType < ApplicationRecord
   end
 
   def to_param
-    "#{possibly_new_color.to_param}-#{possibly_new_species.to_param}"
+    "#{color.human_name}-#{species.human_name}"
   end
 
   def fully_labeled?
@@ -132,15 +136,6 @@ class PetType < ApplicationRecord
     pet_states.count { |ps| ps.pose == "UNKNOWN" }
   end
 
-  def self.find_by_param!(param)
-    raise ActiveRecord::RecordNotFound unless param.include?("-")
-    color_param, _, species_param = param.rpartition("-")
-    where(
-      color_id: Color.param_to_id(color_param),
-      species_id: Species.param_to_id(species_param),
-    ).first!
-  end
-
   def self.basic_body_ids
     PetType.basic.distinct.pluck(:body_id)
   end

app/models/species.rb

@@ -16,10 +16,6 @@ class Species < ApplicationRecord
     end
   end
 
-  def to_param
-    name? ? human_name : id.to_s
-  end
-
   # Given a list of body IDs, return a hash from body ID to Species.
   # (We assume that each body ID belongs to just one species; if not, which
   # species we return for that body ID is undefined.)
@@ -30,8 +26,4 @@ class Species < ApplicationRecord
       to_h { |s| [s.id, s] }
     species_ids_by_body_id.transform_values { |id| species_by_id[id] }
   end
-
-  def self.param_to_id(param)
-    param.match?(/\A\d+\Z/) ? param.to_i : find_by_name!(param).id
-  end
 end

app/views/pet_states/edit.html.haml

@@ -5,11 +5,11 @@
 	%li
 		= link_to "Rainbow Pool", pet_types_path
 	%li
-		= link_to @pet_type.possibly_new_color.human_name,
-		          pet_types_path(color: @pet_type.possibly_new_color.human_name)
+		= link_to @pet_type.color.human_name,
+		          pet_types_path(color: @pet_type.color.human_name)
 	%li{"data-relation-to-prev": "sibling"}
-		= link_to @pet_type.possibly_new_species.human_name,
-		          pet_types_path(species: @pet_type.possibly_new_species.human_name)
+		= link_to @pet_type.species.human_name,
+		          pet_types_path(species: @pet_type.species.human_name)
 	%li
 		= link_to "Appearances", @pet_type
 	%li

app/views/pet_types/show.html.haml

@@ -5,11 +5,11 @@
 	%li
 		= link_to "Rainbow Pool", pet_types_path
 	%li
-		= link_to @pet_type.possibly_new_color.human_name,
-		          pet_types_path(color: @pet_type.possibly_new_color.human_name)
+		= link_to @pet_type.color.human_name,
+		          pet_types_path(color: @pet_type.color.human_name)
 	%li{"data-relation-to-prev": "sibling"}
-		= link_to @pet_type.possibly_new_species.human_name,
-		          pet_types_path(species: @pet_type.possibly_new_species.human_name)
+		= link_to @pet_type.species.human_name,
+		          pet_types_path(species: @pet_type.species.human_name)
 	%li
 		Appearances
 

db/migrate/20241116031655_increase_pet_type_color_id_and_species_id_limit.rb

@@ -1,17 +0,0 @@
-class IncreasePetTypeColorIdAndSpeciesIdLimit < ActiveRecord::Migration[7.2]
-  def change
-    reversible do |direction|
-      change_table :pet_types do |t|
-        direction.up do
-          t.change :color_id, :integer, null: false
-          t.change :species_id, :integer, null: false
-        end
-
-        direction.down do
-          t.change :color_id, :integer, limit: 1, null: false
-          t.change :species_id, :integer, limit: 1, null: false
-        end
-      end
-    end
-  end
-end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.2].define(version: 2024_11_16_031655) do
+ActiveRecord::Schema[7.2].define(version: 2024_10_08_004715) do
   create_table "alt_styles", charset: "utf8mb4", collation: "utf8mb4_unicode_520_ci", force: :cascade do |t|
     t.integer "species_id", null: false
     t.integer "color_id", null: false
@@ -225,8 +225,8 @@ ActiveRecord::Schema[7.2].define(version: 2024_11_16_031655) do
   end
 
   create_table "pet_types", id: :integer, charset: "utf8mb4", collation: "utf8mb4_unicode_520_ci", force: :cascade do |t|
-    t.integer "color_id", null: false
-    t.integer "species_id", null: false
+    t.integer "color_id", limit: 1, null: false
+    t.integer "species_id", limit: 1, null: false
     t.datetime "created_at", precision: nil, null: false
     t.integer "body_id", limit: 2, null: false
     t.string "image_hash", limit: 8

spec/fixtures/colors.yml

@@ -10,6 +10,3 @@ robot:
 striped:
   id: 77
   name: striped
-swamp_gas:
-  id: 93
-  name: "swamp gas"

spec/fixtures/pet_types.yml

@@ -1,19 +0,0 @@
-blue_acara:
-  color_id: 8
-  species_id: 1
-  body_id: 123
-
-newcolor_acara:
-  color_id: 123
-  species_id: 1
-  body_id: 123
-
-blue_newspecies:
-  color_id: 8
-  species_id: 456
-  body_id: 123
-
-newcolor_newspecies:
-  color_id: 123
-  species_id: 456
-  body_id: 123

spec/models/color_spec.rb

@@ -1,38 +0,0 @@
-require 'rails_helper'
-
-RSpec.describe Color do
-	fixtures :colors
-
-	describe '#to_param' do
-		it("uses name when possible") do
-			expect(colors(:blue).to_param).to eq "Blue"
-		end
-
-		it("uses spaces for multi-word names") do
-			expect(colors(:swamp_gas).to_param).to eq "Swamp Gas"
-		end
-
-		it("uses IDs for new colors") do
-			expect(Color.new(id: 12345).to_param).to eq "12345"
-		end
-	end
-
-	describe ".param_to_id" do
-		it("looks up by name") do
-			expect(Color.param_to_id("blue")).to eq colors(:blue).id
-		end
-
-		it("is case-insensitive for name") do
-			expect(Color.param_to_id("bLUe")).to eq colors(:blue).id
-		end
-
-		it("returns ID when the param is just a number, even if it doesn't exist") do
-			expect(Color.param_to_id("123456")).to eq 123456
-		end
-
-		it("raises RecordNotFound if no name matches") do
-			expect { Color.param_to_id("nonexistant") }.
-				to raise_error ActiveRecord::RecordNotFound
-		end
-	end
-end

spec/models/pet_type_spec.rb

@@ -1,41 +0,0 @@
-require 'rails_helper'
-
-RSpec.describe PetType do
-	fixtures :colors, :species, :pet_types
-
-	describe '#to_param' do
-		it('uses color and species name when possible ("Blue-Acara")') do
-			expect(pet_types(:blue_acara).to_param).to eq "Blue-Acara"
-		end
-
-		it('uses color ID for new colors (123-Acara)') do
-			expect(pet_types(:newcolor_acara).to_param).to eq "123-Acara"
-		end
-
-		it('uses species ID for new colors (Blue-456)') do
-			expect(pet_types(:blue_newspecies).to_param).to eq "Blue-456"
-		end
-
-		it('uses color ID and species ID when both are new (123-456)') do
-			expect(pet_types(:newcolor_newspecies).to_param).to eq "123-456"
-		end
-	end
-
-	describe ".find_by_param!" do
-		it('looks up by species and color name ("Blue-Acara")') do
-			expect(PetType.find_by_param!("Blue-Acara")).to eq pet_types(:blue_acara)
-		end
-
-		it('looks up by color ID for new colors ("123-Acara")') do
-			expect(PetType.find_by_param!("123-Acara")).to eq pet_types(:newcolor_acara)
-		end
-
-		it('looks up by species ID for new species ("Blue-456")') do
-			expect(PetType.find_by_param!("Blue-456")).to eq pet_types(:blue_newspecies)
-		end
-
-		it('looks up by color ID and species ID when both are new ("123-456")') do
-			expect(PetType.find_by_param!("123-456")).to eq pet_types(:newcolor_newspecies)
-		end
-	end
-end

spec/models/species_spec.rb

@@ -1,34 +0,0 @@
-require 'rails_helper'
-
-RSpec.describe Species do
-	fixtures :species
-
-	describe '#to_param' do
-		it("uses name when possible") do
-			expect(species(:acara).to_param).to eq "Acara"
-		end
-
-		it("uses IDs for new species") do
-			expect(Species.new(id: 12345).to_param).to eq "12345"
-		end
-	end
-
-	describe ".param_to_id" do
-		it("looks up by name") do
-			expect(Species.param_to_id("acara")).to eq species(:acara).id
-		end
-
-		it("is case-insensitive for name") do
-			expect(Species.param_to_id("aCaRa")).to eq species(:acara).id
-		end
-
-		it("returns ID when the param is just a number, even if no record exists") do
-			expect(Species.param_to_id("123456")).to eq 123456
-		end
-
-		it("raises RecordNotFound if no name matches") do
-			expect { Species.param_to_id("nonexistant") }.
-				to raise_error ActiveRecord::RecordNotFound
-		end
-	end
-end