Change user settings to be stored in a more optimal way (#23630)

Co-authored-by: Claire <claire.github-309c@sitedethib.com>

spec/models/user_settings/namespace_spec.rb

@@ -0,0 +1,25 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe UserSettings::Namespace do
+  subject { described_class.new(name) }
+
+  let(:name) { :foo }
+
+  describe '#setting' do
+    before do
+      subject.setting :bar, default: 'baz'
+    end
+
+    it 'adds setting to definitions' do
+      expect(subject.definitions[:'foo.bar']).to have_attributes(name: :bar, namespace: :foo, default_value: 'baz')
+    end
+  end
+
+  describe '#definitions' do
+    it 'returns a hash' do
+      expect(subject.definitions).to be_a Hash
+    end
+  end
+end

spec/models/user_settings/setting_spec.rb

@@ -0,0 +1,74 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe UserSettings::Setting do
+  subject { described_class.new(name, options) }
+
+  let(:name)      { :foo }
+  let(:options)   { { default: default, namespace: namespace } }
+  let(:default)   { false }
+  let(:namespace) { nil }
+
+  describe '#default_value' do
+    context 'when default value is a primitive value' do
+      it 'returns default value' do
+        expect(subject.default_value).to eq default
+      end
+    end
+
+    context 'when default value is a proc' do
+      let(:default) { -> { 'bar' } }
+
+      it 'returns value from proc' do
+        expect(subject.default_value).to eq 'bar'
+      end
+    end
+  end
+
+  describe '#type' do
+    it 'returns a type' do
+      expect(subject.type).to be_a ActiveModel::Type::Value
+    end
+  end
+
+  describe '#type_cast' do
+    context 'when default value is a boolean' do
+      let(:default) { false }
+
+      it 'returns boolean' do
+        expect(subject.type_cast('1')).to be true
+      end
+    end
+
+    context 'when default value is a string' do
+      let(:default) { '' }
+
+      it 'returns string' do
+        expect(subject.type_cast(1)).to eq '1'
+      end
+    end
+  end
+
+  describe '#to_a' do
+    it 'returns an array' do
+      expect(subject.to_a).to eq [name, default]
+    end
+  end
+
+  describe '#key' do
+    context 'when there is no namespace' do
+      it 'returnsn a symbol' do
+        expect(subject.key).to eq :foo
+      end
+    end
+
+    context 'when there is a namespace' do
+      let(:namespace) { :bar }
+
+      it 'returns a symbol' do
+        expect(subject.key).to eq :'bar.foo'
+      end
+    end
+  end
+end