Add product image to powder inventory via AI lookup
When AI Lookup fetches a manufacturer product page, it now extracts the og:image (Open Graph) meta tag before stripping HTML tags. The image URL is returned in InventoryAiLookupResult.ImageUrl and automatically shown as a preview on the Create/Edit form alongside the other filled fields. The preview includes a Remove button to clear the image, and the Wrong Match? button clears it along with the other AI-filled fields. On the inventory Details page a product image card is rendered above the Stock & Pricing card whenever ImageUrl is set. The field is nullable so existing records and powders without an image are unaffected. New field: InventoryItem.ImageUrl (nvarchar, nullable). Migration: AddInventoryItemImageUrl. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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using System;
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using Microsoft.EntityFrameworkCore.Migrations;
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#nullable disable
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namespace PowderCoating.Infrastructure.Migrations
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{
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/// <inheritdoc />
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public partial class AddInventoryItemImageUrl : Migration
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{
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/// <inheritdoc />
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protected override void Up(MigrationBuilder migrationBuilder)
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{
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migrationBuilder.AddColumn<string>(
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name: "ImageUrl",
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table: "InventoryItems",
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type: "nvarchar(max)",
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nullable: true);
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migrationBuilder.UpdateData(
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table: "PricingTiers",
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keyColumn: "Id",
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keyValue: 1,
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column: "CreatedAt",
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value: new DateTime(2026, 4, 29, 22, 12, 13, 993, DateTimeKind.Utc).AddTicks(9171));
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migrationBuilder.UpdateData(
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table: "PricingTiers",
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keyColumn: "Id",
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keyValue: 2,
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column: "CreatedAt",
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value: new DateTime(2026, 4, 29, 22, 12, 13, 993, DateTimeKind.Utc).AddTicks(9177));
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migrationBuilder.UpdateData(
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table: "PricingTiers",
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keyColumn: "Id",
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keyValue: 3,
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column: "CreatedAt",
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value: new DateTime(2026, 4, 29, 22, 12, 13, 993, DateTimeKind.Utc).AddTicks(9179));
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}
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/// <inheritdoc />
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protected override void Down(MigrationBuilder migrationBuilder)
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{
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migrationBuilder.DropColumn(
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name: "ImageUrl",
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table: "InventoryItems");
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migrationBuilder.UpdateData(
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table: "PricingTiers",
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keyColumn: "Id",
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keyValue: 1,
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column: "CreatedAt",
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value: new DateTime(2026, 4, 29, 22, 0, 14, 747, DateTimeKind.Utc).AddTicks(4877));
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migrationBuilder.UpdateData(
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table: "PricingTiers",
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keyColumn: "Id",
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keyValue: 2,
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column: "CreatedAt",
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value: new DateTime(2026, 4, 29, 22, 0, 14, 747, DateTimeKind.Utc).AddTicks(4884));
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migrationBuilder.UpdateData(
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table: "PricingTiers",
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keyColumn: "Id",
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keyValue: 3,
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column: "CreatedAt",
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value: new DateTime(2026, 4, 29, 22, 0, 14, 747, DateTimeKind.Utc).AddTicks(4886));
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}
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}
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}
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@@ -3181,6 +3181,9 @@ namespace PowderCoating.Infrastructure.Migrations
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b.Property<bool>("HasSamplePanel")
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.HasColumnType("bit");
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b.Property<string>("ImageUrl")
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.HasColumnType("nvarchar(max)");
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b.Property<int?>("InventoryAccountId")
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.HasColumnType("int");
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@@ -3732,6 +3735,9 @@ namespace PowderCoating.Infrastructure.Migrations
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b.Property<int?>("QuoteId")
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.HasColumnType("int");
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b.Property<DateTime?>("QuoteSnapshotUpdatedAt")
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.HasColumnType("datetime2");
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b.Property<decimal>("QuotedPrice")
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.HasColumnType("decimal(18,2)");
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@@ -5860,7 +5866,7 @@ namespace PowderCoating.Infrastructure.Migrations
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{
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Id = 1,
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CompanyId = 0,
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CreatedAt = new DateTime(2026, 4, 28, 16, 40, 22, 359, DateTimeKind.Utc).AddTicks(5055),
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CreatedAt = new DateTime(2026, 4, 29, 22, 12, 13, 993, DateTimeKind.Utc).AddTicks(9171),
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Description = "Standard pricing for regular customers",
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DiscountPercent = 0m,
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IsActive = true,
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@@ -5871,7 +5877,7 @@ namespace PowderCoating.Infrastructure.Migrations
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{
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Id = 2,
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CompanyId = 0,
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CreatedAt = new DateTime(2026, 4, 28, 16, 40, 22, 359, DateTimeKind.Utc).AddTicks(5063),
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CreatedAt = new DateTime(2026, 4, 29, 22, 12, 13, 993, DateTimeKind.Utc).AddTicks(9177),
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Description = "5% discount for preferred customers",
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DiscountPercent = 5m,
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IsActive = true,
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@@ -5882,7 +5888,7 @@ namespace PowderCoating.Infrastructure.Migrations
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{
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Id = 3,
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CompanyId = 0,
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CreatedAt = new DateTime(2026, 4, 28, 16, 40, 22, 359, DateTimeKind.Utc).AddTicks(5065),
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CreatedAt = new DateTime(2026, 4, 29, 22, 12, 13, 993, DateTimeKind.Utc).AddTicks(9179),
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Description = "10% discount for premium customers",
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DiscountPercent = 10m,
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IsActive = true,
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@@ -171,14 +171,19 @@ Rules:
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_logger.LogInformation("Using direct manufacturer URL: {Url}", directUrl);
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// Fetch product page
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var pageContent = fetchUrl != null ? await FetchPageTextAsync(fetchUrl) : null;
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string? pageContent = null;
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string? pageImageUrl = null;
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if (fetchUrl != null)
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{
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(pageContent, pageImageUrl) = await FetchPageAsync(fetchUrl);
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}
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// If direct URL fetch failed, fall back to the search fetch URL
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if (pageContent == null && directUrl != null && searchFetchUrl != null && searchFetchUrl != directUrl)
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{
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_logger.LogInformation("Direct URL fetch failed; falling back to search URL: {Url}", searchFetchUrl);
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fetchUrl = searchFetchUrl;
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pageContent = await FetchPageTextAsync(searchFetchUrl);
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(pageContent, pageImageUrl) = await FetchPageAsync(searchFetchUrl);
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}
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var userPrompt = BuildUserPrompt(manufacturer, colorName, colorCode, partNumber, snippets, fetchUrl, pageContent);
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@@ -246,6 +251,7 @@ Rules:
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result.UnitCostPerLb = GetDecimal(parsed, "unitCostPerLb");
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result.VendorName = GetString(parsed, "vendorName");
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result.SpecPageUrl = specPageUrl;
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result.ImageUrl = pageImageUrl;
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result.Reasoning = GetString(parsed, "reasoning");
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return result;
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@@ -488,7 +494,13 @@ Rules:
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/// A browser-like User-Agent header is sent because some manufacturer sites return 403
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/// or empty responses to bare HttpClient default agents.
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/// </summary>
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private async Task<string?> FetchPageTextAsync(string url)
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/// <summary>
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/// Fetches a product page and returns both stripped plain text (for Claude) and the
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/// best product image URL found on the page. Extracts og:image (Open Graph) first,
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/// then falls back to twitter:image. The raw HTML is processed before tag-stripping
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/// so the image URL is captured while it still exists in the markup.
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/// </summary>
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private async Task<(string? text, string? imageUrl)> FetchPageAsync(string url)
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{
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try
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{
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@@ -499,6 +511,9 @@ Rules:
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var html = await client.GetStringAsync(url);
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// Extract product image from Open Graph / Twitter Card meta tags
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var imageUrl = ExtractOgImageUrl(html);
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// Extract structured data (JSON-LD) BEFORE stripping scripts — it contains
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// machine-readable price, SKU, and product info that would otherwise be lost.
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var structuredData = ExtractJsonLdData(html);
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@@ -524,17 +539,46 @@ Rules:
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if (!string.IsNullOrWhiteSpace(structuredData))
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text = structuredData + "\n" + text;
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_logger.LogInformation("Fetched {Chars} chars from {Url} (structured data: {HasData})",
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text.Length, url, structuredData != null ? "yes" : "no");
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return text;
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_logger.LogInformation("Fetched {Chars} chars from {Url} (structured data: {HasData}, image: {HasImage})",
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text.Length, url, structuredData != null ? "yes" : "no", imageUrl != null ? "yes" : "no");
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return (text, imageUrl);
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}
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catch (Exception ex)
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{
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_logger.LogWarning(ex, "Failed to fetch page content from {Url}", url);
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return null;
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return (null, null);
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}
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}
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/// <summary>
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/// Extracts the best product image URL from raw HTML. Checks og:image first (most
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/// reliable for e-commerce product pages), then twitter:image as fallback.
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/// </summary>
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private static string? ExtractOgImageUrl(string html)
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{
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var patterns = new[]
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{
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@"<meta[^>]+property=[""']og:image[""'][^>]+content=[""']([^""']+)[""']",
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@"<meta[^>]+content=[""']([^""']+)[""'][^>]+property=[""']og:image[""']",
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@"<meta[^>]+name=[""']twitter:image[""'][^>]+content=[""']([^""']+)[""']",
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@"<meta[^>]+content=[""']([^""']+)[""'][^>]+name=[""']twitter:image[""']",
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};
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foreach (var pattern in patterns)
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{
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var m = System.Text.RegularExpressions.Regex.Match(
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html, pattern, System.Text.RegularExpressions.RegexOptions.IgnoreCase);
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if (m.Success)
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{
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var url = m.Groups[1].Value.Trim();
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if (url.StartsWith("http", StringComparison.OrdinalIgnoreCase))
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return url;
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}
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}
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return null;
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}
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/// <summary>
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/// Extracts product name, SKU, and price from JSON-LD structured data blocks.
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/// Many e-commerce sites (Shopify, WooCommerce, etc.) embed this in the page HTML
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