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server/services/amazon_persist.js

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+import {
+  amazon_product,
+  amazon_search_item,
+  amazon_review
+} from '../models/index.js';
+import { safe_json_stringify } from './json_utils.js';
+
+function build_batch_key(prefix) {
+  return `${prefix}_${Date.now()}_${Math.random().toString().slice(2, 8)}`;
+}
+
+function pick_asin_from_url(url) {
+  if (!url) return null;
+  const m = String(url).match(/\/dp\/([A-Z0-9]{8,16})/i);
+  return m && m[1] ? m[1].toUpperCase() : null;
+}
+
+export async function persist_amazon_result(result) {
+  if (!result || !result.stage) {
+    return;
+  }
+
+  if (result.stage === 'detail') {
+    const asin = result.asin || pick_asin_from_url(result.url);
+    if (!asin) {
+      return;
+    }
+
+    await amazon_product.upsert({
+      asin,
+      url: result.url || '',
+      title: result.title || null,
+      price: result.price || null,
+      sku: result.sku || null,
+      sku_color: result.sku_color || null,
+      sku_size: result.sku_size || null,
+      brand_line: result.brand_line || null,
+      brand_store_url: result.brand_store_url || null,
+      ac_badge: result.ac_badge || null,
+      bestseller_hint: result.bestseller_hint || null,
+      delivery_hint: result.delivery_hint || null,
+      social_proof: result.social_proof || null,
+      sustainability_hint: result.sustainability_hint || null,
+      rating_stars: result.rating_stars || null,
+      review_count_text: result.review_count_text || null,
+      main_image: result.main_image || null,
+      images_json: safe_json_stringify(result.images || []),
+      bullets_json: safe_json_stringify(result.bullets || []),
+      product_info_json: safe_json_stringify(result.product_info || {}),
+      detail_extra_lines_json: safe_json_stringify(result.detail_extra_lines || [])
+    });
+
+    return;
+  }
+
+  if (result.stage === 'list') {
+    const batch_key = build_batch_key('list');
+    const items = Array.isArray(result.items) ? result.items : [];
+
+    for (const it of items) {
+      const asin = it.asin || pick_asin_from_url(it.url);
+      if (!asin || !it.url) continue;
+
+      await amazon_search_item.create({
+        asin,
+        url: it.url,
+        title: it.title || null,
+        price: it.price || null,
+        rating: typeof it.rating === 'number' ? it.rating : null,
+        rating_text: it.rating_text || null,
+        review_count: typeof it.review_count === 'number' ? it.review_count : null,
+        review_count_text: it.review_count_text || null,
+        rank_index: typeof it.index === 'number' ? it.index : null,
+        batch_key,
+        batch_total: typeof result.total === 'number' ? result.total : null,
+        batch_limit: typeof result.limit === 'number' ? result.limit : null
+      });
+    }
+
+    return;
+  }
+
+  if (result.stage === 'reviews') {
+    const batch_key = build_batch_key('reviews');
+    const asin = pick_asin_from_url(result.url);
+    const items = Array.isArray(result.items) ? result.items : [];
+
+    for (const it of items) {
+      const review_id = it.review_id;
+      if (!review_id) continue;
+
+      const asin_value = asin || pick_asin_from_url(it.url) || pick_asin_from_url(result.url);
+
+      await amazon_review.upsert({
+        asin: asin_value || null,
+        url: result.url || '',
+        review_id,
+        author: it.author || null,
+        title: it.title || null,
+        body: it.body || null,
+        rating_text: it.rating_text || null,
+        review_date: it.date || null,
+        review_index: typeof it.index === 'number' ? it.index : null,
+        batch_key,
+        batch_total: typeof result.total === 'number' ? result.total : null,
+        batch_limit: typeof result.limit === 'number' ? result.limit : null
+      });
+    }
+  }
+}