simplify taxonomy repository find method (#2589)

app/repositories/taxonomy.rb

@@ -13,13 +13,7 @@ class Repositories::Taxonomy
   class << self
     def get_taxon_by_name(taxon_name)
       result = Array.wrap(taxon_name).compact.map do |tn|
-        tn = tn.downcase
-          taxon = taxons.find{|t| t.name.downcase == tn }
-          if taxon.nil? && tn.match(/-/)
-            tn = tn.gsub('-', ' ')
-            taxon = taxons.find{|t| t.name.downcase == tn }
-          end
-        taxon
+        taxons.find { |t| t.name.parameterize == tn.parameterize }
       end
       result.size < 2 ? result.first : result
     end

spec/repositories/taxonomy_spec.rb

@@ -1,23 +1,30 @@
 require 'spec_helper'
 
 describe Repositories::Taxonomy do
-  let(:taxonomy) { create(:taxonomy, name: "My Taxonomy") }
+  let(:taxonomy) { create(:taxonomy, name: 'My Taxonomy') }
 
   before(:each) { Repositories::Taxonomy.expire_cache!(true) }
 
-  describe ".get_taxon_by_name" do
-    describe 'find by name' do
+  describe '.get_taxon_by_name' do
+    describe 'find taxons by name' do
       it 'case-insensitive' do
         taxon = create(:taxon, taxonomy_id: taxonomy.id, name: 'Great')
 
         result = described_class.get_taxon_by_name('gReAt')
         expect(result.id).to eq(taxon.id)
       end
 
-      it 'find by non-hyphen name' do
-        taxon = create(:taxon, taxonomy_id: taxonomy.id, name: 'World of something')
+      it 'has spaces' do
+        taxon = create(:taxon, taxonomy_id: taxonomy.id, name: 'Long Sleeve')
 
-        result = described_class.get_taxon_by_name('World-of-something')
+        result = described_class.get_taxon_by_name('Long Sleeve')
+        expect(result.id).to eq(taxon.id)
+      end
+
+      it 'has spaces and hyphens' do
+        taxon = create(:taxon, taxonomy_id: taxonomy.id, name: 'The-Evening-Gown')
+
+        result = described_class.get_taxon_by_name('The Evening-Gown')
         expect(result.id).to eq(taxon.id)
       end
     end