From 2a81abac694ff6d2e31ef250e5479333cff0da8c Mon Sep 17 00:00:00 2001
From: Ruslan Bakiev <572431+veikab@users.noreply.github.com>
Date: Fri, 3 Apr 2026 15:15:57 +0700
Subject: [PATCH] fix(products): backfill missing spec fields

---
 scripts/backfill-product-specs.js | 75 +++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 scripts/backfill-product-specs.js

diff --git a/scripts/backfill-product-specs.js b/scripts/backfill-product-specs.js
new file mode 100644
index 0000000..aa37681
--- /dev/null
+++ b/scripts/backfill-product-specs.js
@@ -0,0 +1,75 @@
+import 'dotenv/config';
+
+import { prisma } from '../src/prisma-client.js';
+
+function normalizeText(value) {
+  return String(value ?? '').replaceAll(/\s+/g, ' ').trim();
+}
+
+function sentenceCase(value) {
+  if (!value) {
+    return value;
+  }
+
+  return value[0].toUpperCase() + value.slice(1);
+}
+
+function parseProductName(name) {
+  const normalizedName = normalizeText(name);
+  const [productTypeRaw] = normalizedName.split(',');
+  const sizeMatch = normalizedName.match(/(\d+)\s*[xх*]\s*(\d+)\s*м/i);
+  const thicknessMatch = normalizedName.match(/(\d+)\s*мкм/i);
+  const sleeveMatch = normalizedName.match(/втулка\s+([^,]+)/i);
+  const quantityMatch = normalizedName.match(/короб\s+([^,]+)/i);
+
+  if (!productTypeRaw || !sizeMatch || !thicknessMatch || !sleeveMatch || !quantityMatch) {
+    throw new Error(`Unable to parse product name: ${name}`);
+  }
+
+  return {
+    productType: normalizeText(productTypeRaw).toLowerCase(),
+    widthMm: Number.parseInt(sizeMatch[1] ?? '', 10),
+    lengthM: Number.parseInt(sizeMatch[2] ?? '', 10),
+    thicknessMicron: Number.parseInt(thicknessMatch[1] ?? '', 10),
+    sleeveBrand: normalizeText(sleeveMatch[1]).toLowerCase(),
+    quantityPerBox: normalizeText(quantityMatch[1]),
+  };
+}
+
+const products = await prisma.product.findMany({
+  where: {
+    isActive: true,
+    OR: [
+      { productType: null },
+      { widthMm: null },
+      { lengthM: null },
+      { thicknessMicron: null },
+      { sleeveBrand: null },
+      { quantityPerBox: null },
+    ],
+  },
+  select: {
+    id: true,
+    sku: true,
+    name: true,
+  },
+});
+
+for (const product of products) {
+  const parsed = parseProductName(product.name);
+
+  await prisma.product.update({
+    where: { id: product.id },
+    data: {
+      productType: sentenceCase(parsed.productType),
+      widthMm: parsed.widthMm,
+      lengthM: parsed.lengthM,
+      thicknessMicron: parsed.thicknessMicron,
+      sleeveBrand: parsed.sleeveBrand,
+      quantityPerBox: parsed.quantityPerBox,
+    },
+  });
+}
+
+console.log(`Backfilled ${products.length} products.`);
+await prisma.$disconnect();