Update Admin to have firstname and lastname fields

Update the address handling logic in the admin components and tests for 'firstname' and 'lastname' fields,
instead of using a single 'name' field.

Author: JustShah

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

@@ -4,6 +4,11 @@
 >
   <div class="<%= stimulus_id %>--address-form flex flex-wrap gap-4 pb-4">
     <%= render component("ui/forms/field").text_field(@name, :name, object: @address) %>
+    <%= render component("ui/forms/field").text_field(@name, :firstname, object: @address) %>
+    <%= render component("ui/forms/field").text_field(@name, :lastname, object: @address) %>
+    <% if Spree::Config[:company] %>
+      <%= render component("ui/forms/field").text_field(@name, :company, object: @address) %>
+    <% end %>
     <%= render component("ui/forms/field").text_field(@name, :address1, object: @address) %>
     <%= render component("ui/forms/field").text_field(@name, :address2, object: @address) %>
     <div class="flex gap-4 w-full">

admin/spec/features/orders/show_spec.rb

@@ -52,6 +52,8 @@
 
     within("dialog") do
       fill_in "Name", with: "John Doe"
+      fill_in "First Name", with: "John"
+      fill_in "Last Name", with: "Doe"
       fill_in "Street Address", with: "1 John Doe Street"
       fill_in "Street Address (cont'd)", with: "Apartment 2"
       fill_in "City", with: "John Doe City"
@@ -78,6 +80,8 @@
 
     within("dialog") do
       fill_in "Name", with: "Jane Doe"
+      fill_in "First Name", with: "Jane"
+      fill_in "Last Name", with:  "Doe"
       fill_in "Street Address", with: "1 Jane Doe Street"
       fill_in "Street Address (cont'd)", with: "Apartment 3"
       fill_in "City", with: "Jane Doe City"

admin/spec/features/users_spec.rb

@@ -129,28 +129,32 @@
       # Invalid submission
       within("form.ship_address") do
         fill_in "Name", with: ""
+        fill_in "First Name", with: ""
         fill_in "Street Address", with: ""
         click_on "Update"
       end
-      expect(page).to have_content("can't be blank").twice
+      expect(page).to have_content("can't be blank").thrice
 
       # Valid submission
       within("form.bill_address") do
         fill_in "Name", with: "Galadriel"
+        fill_in "First Name", with: "Galadriel"
         click_on "Update"
       end
       expect(page).to have_content("Billing Address has been successfully updated.")
 
       # Valid submission
       within("form.ship_address") do
         fill_in "Name", with: "Elrond"
+        fill_in "First Name", with: "Elrond"
         click_on "Update"
       end
       expect(page).to have_content("Shipping Address has been successfully updated.")
 
       # Cancel submission
       within("form.bill_address") do
         fill_in "Name", with: "Smeagol"
+        fill_in "First Name", with: "Smeagol"
         click_on "Cancel"
       end
       expect(page).to have_content("Users / customer@example.com / Addresses")
@@ -159,6 +163,8 @@
       # The address forms weirdly only have values rather than actual text on the page.
       expect(page).to have_field("user[bill_address_attributes][name]", with: "Galadriel")
       expect(page).to have_field("user[ship_address_attributes][name]", with: "Elrond")
+      expect(page).to have_field("user[bill_address_attributes][firstname]", with: "Galadriel")
+      expect(page).to have_field("user[ship_address_attributes][firstname]", with: "Elrond")
     end
   end
 

admin/spec/requests/solidus_admin/users_spec.rb

@@ -12,6 +12,8 @@
       user: {
         bill_address_attributes: {
           name: address.name,
+          firstname: address.firstname,
+          lastname: address.lastname,
           address1: address.address1,
           address2: address.address2,
           city: address.city,