[Admin] Introduce ui/forms/address component for order admin checkout

admin/app/components/solidus_admin/ui/forms/address/component.html.erb

@@ -0,0 +1,33 @@
+<fieldset class="<%= stimulus_id %>"
+  data-controller="<%= stimulus_id %>"
+  <%= :disabled if @disabled %>
+>
+  <div class="<%= stimulus_id %>--address-form flex flex-wrap gap-4 pb-4">
+    <%= render component("ui/forms/field").text_field(@form, :name) %>
+    <%= render component("ui/forms/field").text_field(@form, :address1) %>
+    <%= render component("ui/forms/field").text_field(@form, :address2) %>
+    <div class="flex w-full space-x-4">
+      <%= render component("ui/forms/field").text_field(@form, :city, class: "flex-1") %>
+      <%= render component("ui/forms/field").text_field(@form, :zipcode, class: "flex-1") %>
+    </div>
+
+    <%= render component("ui/forms/field").select(
+      @form,
+      :country_id,
+      Spree::Country.all.map { |c| [c.name, c.id] },
+      value: @form.object.try(:country_id),
+      "data-#{stimulus_id}-target": "country",
+      "data-action": "change->#{stimulus_id}#loadStates"
+    ) %>
+
+    <%= render component("ui/forms/field").select(
+      @form,
+      :state_id,
+      [],
+      value: @form.object.try(:state_id),
+      "data-#{stimulus_id}-target": "state"
+    ) %>
+
+    <%= render component("ui/forms/field").text_field(@form, :phone) %>
+  </div>
+</fieldset>

admin/app/components/solidus_admin/ui/forms/address/component.js

@@ -0,0 +1,33 @@
+import { Controller } from '@hotwired/stimulus'
+
+export default class extends Controller {
+  static targets = ["country", "state"]
+
+  connect() {
+    this.loadStates()
+  }
+
+  loadStates() {
+    const countryId = this.countryTarget.value
+
+    fetch(`/admin/countries/${countryId}/states`)
+      .then(response => response.json())
+      .then(data => {
+        this.updateStateOptions(data)
+      })
+  }
+
+  updateStateOptions(data) {
+    const stateSelect = this.stateTarget
+
+    stateSelect.innerHTML = ""
+
+    data.forEach(state => {
+      const option = document.createElement("option")
+
+      option.value = state.id
+      option.innerText = state.name
+      stateSelect.appendChild(option)
+    })
+  }
+}

admin/app/components/solidus_admin/ui/forms/address/component.rb

@@ -0,0 +1,8 @@
+# frozen_string_literal: true
+
+class SolidusAdmin::UI::Forms::Address::Component < SolidusAdmin::BaseComponent
+  def initialize(form:, disabled: false)
+    @form = form
+    @disabled = disabled
+  end
+end

admin/app/components/solidus_admin/ui/forms/input/component.rb

@@ -40,16 +40,21 @@ def initialize(tag: :input, size: :m, error: nil, **attributes)
     raise ArgumentError, "unsupported tag: #{tag}" unless %i[input textarea select].include?(tag)
 
     specialized_classes = []
+    readonly_classes = "read-only:bg-gray-15 focus:read-only:bg-gray-15 focus:read-only:ring-0
+      read-only:cursor-not-allowed read-only:focus:border-gray-300
+      read-only:hover:border-gray-300 read-only:hover:focus:border-gray-300"
 
     case tag
     when :input
       specialized_classes << "form-input"
+      specialized_classes << readonly_classes
       specialized_classes << HEIGHTS[size]
       if attributes[:type] && !TYPES.include?(attributes[:type])
         raise ArgumentError, "unsupported type attribute: #{attributes[:type]}"
       end
     when :textarea
       specialized_classes << "form-textarea"
+      specialized_classes << readonly_classes
       specialized_classes << MULTILINE_HEIGHTS[size]
     when :select
       if attributes[:multiple]
@@ -71,8 +76,6 @@ def initialize(tag: :input, size: :m, error: nil, **attributes)
         disabled:bg-gray-50 disabled:text-gray-500 disabled:placeholder:text-gray-300 disabled:cursor-not-allowed
         invalid:border-red-400 invalid:hover:border-red-400 invalid:text-red-400
         aria-invalid:border-red-400 aria-invalid:hover:border-red-400 aria-invalid:text-red-400
-        read-only:bg-gray-15 focus:read-only:bg-gray-15 focus:read-only:ring-0 read-only:cursor-not-allowed
-        read-only:focus:border-gray-300 read-only:hover:border-gray-300 read-only:hover:focus:border-gray-300
       ],
       SIZES[size],
       specialized_classes,

admin/app/controllers/solidus_admin/countries_controller.rb

@@ -0,0 +1,12 @@
+# frozen_string_literal: true
+
+module SolidusAdmin
+  class CountriesController < SolidusAdmin::BaseController
+    skip_before_action :authorize_solidus_admin_user!
+
+    def states
+      @states = Spree::State.where(country_id: params[:country_id])
+      render json: @states.select(:id, :name)
+    end
+  end
+end

admin/config/routes.rb

@@ -13,6 +13,11 @@
       put :activate
     end
   end
+
+  resources :countries, only: [] do
+    get 'states', to: 'countries#states'
+  end
+
   resources :orders, only: [:index] do
     resources :line_items, only: [:destroy, :create, :update]
 

admin/spec/components/previews/solidus_admin/ui/forms/address/component_preview.rb

@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+# @component "ui/forms/address"
+class SolidusAdmin::UI::Forms::Address::ComponentPreview < ViewComponent::Preview
+  include SolidusAdmin::Preview
+
+  def overview
+    render_with_template
+  end
+
+  # @param disabled toggle
+  def playground(disabled: false)
+    view = ActionView::Base.new(ActionView::LookupContext.new([]), {}, nil)
+    render component("ui/forms/address").new(
+      form: ActionView::Helpers::FormBuilder.new(:address, Spree::Address.new, view, {}),
+      disabled: disabled
+    )
+  end
+end

admin/spec/components/previews/solidus_admin/ui/forms/address/component_preview/overview.html.erb

@@ -0,0 +1,3 @@
+<%= form_for Spree::Address.new, url: '#' do |f| %>
+  <%= render current_component.new(form: f, disabled: false) %>
+<% end %>

admin/spec/components/solidus_admin/ui/forms/address/component_spec.rb

@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+require "spec_helper"
+
+RSpec.describe SolidusAdmin::UI::Forms::Address::Component, type: :component do
+  it "renders the overview preview" do
+    render_preview(:overview)
+  end
+end