add review submission flow (phase 3)

- Add ReviewNotifier for verification emails
- Add review token generation and verification
- Add request_review_verification function
- Update reviews_section component with write-a-review form
- Create ReviewForm LiveView for submitting/editing reviews
- Add /reviews/new and /reviews/:id/edit routes
- Add review buttons to order detail page
- Update block_types to load real review data
- Tests for token and verification functions

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

lib/berrypod_web/live/shop/pages/order_detail.ex

@@ -6,7 +6,7 @@ defmodule BerrypodWeb.Shop.Pages.OrderDetail do
   import Phoenix.Component, only: [assign: 3]
   import Phoenix.LiveView, only: [push_navigate: 2]
 
-  alias Berrypod.{Orders, Pages}
+  alias Berrypod.{Orders, Pages, Reviews}
   alias BerrypodWeb.R
   alias Berrypod.Products
   alias Berrypod.Products.ProductImage
@@ -44,7 +44,16 @@ defmodule BerrypodWeb.Shop.Pages.OrderDetail do
 
           slug = if variant.product.visible, do: variant.product.slug, else: nil
 
-          {id, %{thumb: thumb, slug: slug}}
+          # Check if user has reviewed this product
+          existing_review = Reviews.get_review_by_email_and_product(email, variant.product_id)
+
+          {id,
+           %{
+             thumb: thumb,
+             slug: slug,
+             product_id: variant.product_id,
+             existing_review: existing_review
+           }}
         end)
 
       socket =

lib/berrypod_web/live/shop/pages/product.ex

@@ -6,7 +6,7 @@ defmodule BerrypodWeb.Shop.Pages.Product do
   import Phoenix.Component, only: [assign: 2, assign: 3]
   import Phoenix.LiveView, only: [connected?: 1, push_navigate: 2]
 
-  alias Berrypod.{Analytics, Cart, Pages}
+  alias Berrypod.{Analytics, Cart, Pages, Reviews}
   alias BerrypodWeb.R
   alias Berrypod.Images.Optimizer
   alias Berrypod.Products
@@ -69,6 +69,12 @@ defmodule BerrypodWeb.Shop.Pages.Product do
           |> assign(:variants, variants)
           |> assign(:page, page)
           |> assign(:product_discontinued, is_discontinued)
+          |> assign(:review_form, nil)
+          |> assign(:review_status, nil)
+          |> assign(:existing_review, nil)
+
+        # Check if user has an existing review for this product
+        socket = load_existing_review(socket)
 
         # Block data loaders (related_products, reviews) run after product is assigned
         extra = Pages.load_block_data(page.blocks, socket.assigns)
@@ -126,8 +132,56 @@ defmodule BerrypodWeb.Shop.Pages.Product do
     end
   end
 
+  # ── Review events ──────────────────────────────────────────────────────
+
+  def handle_event("request_review", %{"email" => email}, socket) do
+    product = socket.assigns.product
+
+    case Reviews.request_review_verification(email, product.id, product.title) do
+      {:ok, :sent} ->
+        {:noreply,
+         assign(
+           socket,
+           :review_status,
+           {:info, "Check your email for a link to leave your review."}
+         )}
+
+      {:error, :no_purchase} ->
+        {:noreply,
+         assign(
+           socket,
+           :review_status,
+           {:error, "We couldn't find a matching order for this product."}
+         )}
+
+      {:error, :already_reviewed} ->
+        {:noreply,
+         assign(socket, :review_status, {:error, "You've already reviewed this product."})}
+
+      {:error, _reason} ->
+        {:noreply,
+         assign(socket, :review_status, {:error, "Something went wrong. Please try again later."})}
+    end
+  end
+
   def handle_event(_event, _params, _socket), do: :cont
 
+  # ── Review helpers ───────────────────────────────────────────────────
+
+  defp load_existing_review(socket) do
+    email = socket.assigns[:email_session]
+    product = socket.assigns.product
+
+    if email do
+      case Reviews.get_review_by_email_and_product(email, product.id) do
+        nil -> socket
+        review -> assign(socket, :existing_review, review)
+      end
+    else
+      socket
+    end
+  end
+
   # ── Variant selection logic ──────────────────────────────────────────
 
   defp apply_variant_params(params, socket) do