wire order pages and theme preview to page renderer, remove old templates

All 14 pages now render through PageRenderer. Theme editor preview
unified from 10 preview_page clauses to one function + page-context
helpers. PageTemplates module and 10 .heex template files deleted.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

lib/berrypod_web/live/admin/theme/index.ex

@@ -1,7 +1,7 @@
 defmodule BerrypodWeb.Admin.Theme.Index do
   use BerrypodWeb, :live_view
 
-  alias Berrypod.Settings
+  alias Berrypod.{Pages, Settings}
   alias Berrypod.Media
   alias Berrypod.Theme.{CSSGenerator, Presets, PreviewData}
   alias Berrypod.Workers.FaviconGeneratorWorker
@@ -403,7 +403,7 @@ defmodule BerrypodWeb.Admin.Theme.Index do
     })
   end
 
-  # Preview page component — delegates to shared PageTemplates with preview-specific assigns
+  # Unified preview — loads page definition, applies context, renders via PageRenderer
   attr :page, :atom, required: true
   attr :preview_data, :map, required: true
   attr :theme_settings, :map, required: true
@@ -411,17 +411,24 @@ defmodule BerrypodWeb.Admin.Theme.Index do
   attr :header_image, :any, required: true
   attr :cart_drawer_open, :boolean, default: false
 
-  defp preview_page(%{page: :home} = assigns) do
-    assigns = preview_assigns(assigns)
-    ~H"<BerrypodWeb.PageTemplates.home {assigns} />"
+  defp preview_page(assigns) do
+    slug = to_string(assigns.page)
+    page = Pages.get_page(slug)
+
+    assigns =
+      assigns
+      |> preview_assigns()
+      |> assign(:page, page)
+      |> preview_page_context(slug)
+
+    extra = Pages.load_block_data(page.blocks, assigns)
+    assigns = assign(assigns, extra)
+
+    ~H"<BerrypodWeb.PageRenderer.render_page {assigns} />"
   end
 
-  defp preview_page(%{page: :collection} = assigns) do
-    assigns = preview_assigns(assigns)
-    ~H"<BerrypodWeb.PageTemplates.collection {assigns} />"
-  end
-
-  defp preview_page(%{page: :pdp} = assigns) do
+  # Page-context data needed by specific page types in preview mode
+  defp preview_page_context(assigns, "pdp") do
     product = List.first(assigns.preview_data.products)
     option_types = Map.get(product, :option_types) || []
     variants = Map.get(product, :variants) || []
@@ -441,23 +448,18 @@ defmodule BerrypodWeb.Admin.Theme.Index do
     display_price =
       if selected_variant, do: selected_variant.price, else: product.cheapest_price
 
-    assigns =
-      assigns
-      |> preview_assigns()
-      |> assign(:product, product)
-      |> assign(:gallery_images, build_gallery_images(product))
-      |> assign(:related_products, Enum.slice(assigns.preview_data.products, 1, 4))
-      |> assign(:option_types, option_types)
-      |> assign(:selected_options, selected_options)
-      |> assign(:available_options, available_options)
-      |> assign(:display_price, display_price)
-      |> assign(:quantity, 1)
-      |> assign(:option_urls, %{})
-
-    ~H"<BerrypodWeb.PageTemplates.pdp {assigns} />"
+    assigns
+    |> assign(:product, product)
+    |> assign(:gallery_images, build_gallery_images(product))
+    |> assign(:option_types, option_types)
+    |> assign(:selected_options, selected_options)
+    |> assign(:available_options, available_options)
+    |> assign(:display_price, display_price)
+    |> assign(:quantity, 1)
+    |> assign(:option_urls, %{})
   end
 
-  defp preview_page(%{page: :cart} = assigns) do
+  defp preview_page_context(assigns, "cart") do
     cart_items = assigns.preview_data.cart_items
 
     subtotal =
@@ -465,92 +467,37 @@ defmodule BerrypodWeb.Admin.Theme.Index do
         acc + item.product.cheapest_price * item.quantity
       end)
 
-    assigns =
-      assigns
-      |> preview_assigns()
-      |> assign(:cart_page_items, cart_items)
-      |> assign(:cart_page_subtotal, subtotal)
-
-    ~H"<BerrypodWeb.PageTemplates.cart {assigns} />"
+    assigns
+    |> assign(:cart_page_items, cart_items)
+    |> assign(:cart_page_subtotal, subtotal)
   end
 
-  defp preview_page(%{page: :about} = assigns) do
-    assigns =
-      assigns
-      |> preview_assigns()
-      |> assign(%{
-        active_page: "about",
-        hero_title: "About the studio",
-        hero_description: "Your story goes here – this is sample content for the demo shop",
-        hero_background: :sunken,
-        image_src: "/mockups/night-sky-blanket-3",
-        image_alt: "Night sky blanket draped over a chair",
-        content_blocks: PreviewData.about_content()
-      })
-
-    ~H"<BerrypodWeb.PageTemplates.content {assigns} />"
+  defp preview_page_context(assigns, "about") do
+    assign(assigns, :content_blocks, PreviewData.about_content())
   end
 
-  defp preview_page(%{page: :delivery} = assigns) do
-    assigns =
-      assigns
-      |> preview_assigns()
-      |> assign(%{
-        active_page: "delivery",
-        hero_title: "Delivery & returns",
-        hero_description: "Everything you need to know about shipping and returns",
-        content_blocks: PreviewData.delivery_content()
-      })
-
-    ~H"<BerrypodWeb.PageTemplates.content {assigns} />"
+  defp preview_page_context(assigns, "delivery") do
+    assign(assigns, :content_blocks, PreviewData.delivery_content())
   end
 
-  defp preview_page(%{page: :privacy} = assigns) do
-    assigns =
-      assigns
-      |> preview_assigns()
-      |> assign(%{
-        active_page: "privacy",
-        hero_title: "Privacy policy",
-        hero_description: "How we handle your personal information",
-        content_blocks: PreviewData.privacy_content()
-      })
-
-    ~H"<BerrypodWeb.PageTemplates.content {assigns} />"
+  defp preview_page_context(assigns, "privacy") do
+    assign(assigns, :content_blocks, PreviewData.privacy_content())
   end
 
-  defp preview_page(%{page: :terms} = assigns) do
-    assigns =
-      assigns
-      |> preview_assigns()
-      |> assign(%{
-        active_page: "terms",
-        hero_title: "Terms of service",
-        hero_description: "The legal bits",
-        content_blocks: PreviewData.terms_content()
-      })
-
-    ~H"<BerrypodWeb.PageTemplates.content {assigns} />"
+  defp preview_page_context(assigns, "terms") do
+    assign(assigns, :content_blocks, PreviewData.terms_content())
   end
 
-  defp preview_page(%{page: :contact} = assigns) do
-    assigns = preview_assigns(assigns)
-    ~H"<BerrypodWeb.PageTemplates.contact {assigns} />"
+  defp preview_page_context(assigns, "error") do
+    assign(assigns, %{
+      error_code: "404",
+      error_title: "Page Not Found",
+      error_description:
+        "Sorry, we couldn't find the page you're looking for. Perhaps you've mistyped the URL or the page has been moved."
+    })
   end
 
-  defp preview_page(%{page: :error} = assigns) do
-    assigns =
-      assigns
-      |> preview_assigns()
-      |> assign(%{
-        error_code: "404",
-        error_title: "Page Not Found",
-        error_description:
-          "Sorry, we couldn't find the page you're looking for. Perhaps you've mistyped the URL or the page has been moved."
-      })
-
-    ~H"<BerrypodWeb.PageTemplates.error {assigns} />"
-  end
+  defp preview_page_context(assigns, _slug), do: assigns
 
   defp build_gallery_images(product) do
     alias Berrypod.Products.ProductImage