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Prefab.Web.Client/Services/ProductDisplayService.cs

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+using System.Net;
+using System.Net.Http.Json;
+using Prefab.Web.Client.Models.Catalog;
+using Prefab.Web.Client.Models.Shared;
+
+namespace Prefab.Web.Client.Services;
+
+public interface IProductDisplayService
+{
+    Task<Result<ProductDisplayModel>> Get(string slug, CancellationToken cancellationToken = default);
+}
+
+public sealed class ProductDisplayService(HttpClient httpClient) : IProductDisplayService
+{
+    public async Task<Result<ProductDisplayModel>> Get(string slug, CancellationToken cancellationToken = default)
+    {
+        ArgumentException.ThrowIfNullOrWhiteSpace(slug);
+
+        using var response = await httpClient.GetAsync(
+            $"/bff/catalog/products/{Uri.EscapeDataString(slug.Trim())}",
+            cancellationToken);
+
+        var payload = await response.Content.ReadFromJsonAsync<Result<ProductDisplayModel>>(cancellationToken: cancellationToken);
+        if (payload is not null)
+        {
+            return payload;
+        }
+
+        var statusCode = (HttpStatusCode)response.StatusCode;
+        var exception = new InvalidOperationException($"Response {(int)statusCode} did not contain a valid payload.");
+        var problem = ResultProblem.Unexpected("Failed to retrieve product.", exception, statusCode);
+        return Result<ProductDisplayModel>.Failure(problem);
+    }
+}