From b5875d33b29818c777c8c45d5721dd691795002d Mon Sep 17 00:00:00 2001
From: yeuimu <2197651308@qq.com>
Date: Sat, 29 Aug 2026 08:55:16 +0800
Subject: [PATCH] fix(sync): drop local size-code column (P/M/G/GG) from SDS
 size charts
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巴西/西语市场上游尺码表带一个名为「尺码」的列，值是本地尺码码
P/M/G/GG（=S/M/L/XL），与行首尺码重复且非测量值；解析时整列丢弃。
其他非数字参考列（身高/体重/建议体重）保留。存量 2 条详情已修复
并重算受影响族。
---
 .../sync/sds-product-detail.mapper.spec.ts    | 37 +++++++++++++++++++
 .../api/src/sync/sds-product-detail.mapper.ts | 21 ++++++++++-
 2 files changed, 57 insertions(+), 1 deletion(-)

diff --git a/apps/api/src/sync/sds-product-detail.mapper.spec.ts b/apps/api/src/sync/sds-product-detail.mapper.spec.ts
index d6f0245..a2a93e9 100644
--- a/apps/api/src/sync/sds-product-detail.mapper.spec.ts
+++ b/apps/api/src/sync/sds-product-detail.mapper.spec.ts
@@ -33,6 +33,43 @@ describe('SDS product detail mapper', () => {
     expect(chart.rows[0].measurements[0]).toEqual({ key: 'bodyLength', cm: '71', in: '27.95' });
   });
 
+  it('drops the local size-code column (P/M/G/GG) named 尺码 when all values are non-numeric', () => {
+    // 巴西/西语市场的 SDS 上游在表头第二列再放一个「尺码」列，值是本地尺码码
+    // P/M/G/GG（=S/M/L/XL），与行首尺码重复且非测量值，应整列丢弃
+    const raw = JSON.stringify([
+      ['尺码', '尺码(cm/in)', '肩宽(cm/in)', '胸围(cm/in)'].map((content) => ({ content, remark: '' })),
+      ['S', 'P', '52', '106'].map((content) => ({ content, remark: '' })),
+      ['M', 'M', '55', '112'].map((content) => ({ content, remark: '' })),
+      ['L', 'G', '58', '118'].map((content) => ({ content, remark: '' })),
+      ['XL', 'GG', '61', '124'].map((content) => ({ content, remark: '' })),
+    ]);
+    const chart = parseSizeChart(raw) as any;
+    expect(chart.columns.map((c: any) => c.name)).toEqual(['肩宽', '胸围']);
+    expect(chart.rows[0].measurements.map((m: any) => m.key)).toEqual(['shoulder', 'chest']);
+    expect(chart.rows[0].measurements[0]).toEqual({ key: 'shoulder', cm: '52', in: '20.47' });
+  });
+
+  it('keeps a 尺码-named column when its values are numeric', () => {
+    const raw = JSON.stringify([
+      ['尺码', '尺码(cm/in)', '胸围(cm/in)'].map((content) => ({ content, remark: '' })),
+      ['S', '1', '106'].map((content) => ({ content, remark: '' })),
+      ['M', '2', '112'].map((content) => ({ content, remark: '' })),
+    ]);
+    const chart = parseSizeChart(raw) as any;
+    expect(chart.columns).toHaveLength(2);
+    expect(chart.rows[0].measurements[0].cm).toBe('1');
+  });
+
+  it('keeps non-numeric reference columns like 身高/体重', () => {
+    const raw = JSON.stringify([
+      ['尺码', '身高(cm/in)', '体重(cm/in)'].map((content) => ({ content, remark: '' })),
+      ['S', '50-60', '3-4kg'].map((content) => ({ content, remark: '' })),
+      ['M', '60-70', '4-5kg'].map((content) => ({ content, remark: '' })),
+    ]);
+    const chart = parseSizeChart(raw) as any;
+    expect(chart.columns.map((c: any) => c.name)).toEqual(['身高', '体重']);
+  });
+
   it('parses packaging dimensions and weights', () => {
     const specs = parsePackageSpecs(packageTable) as any;
     expect(specs.rows).toHaveLength(2);
diff --git a/apps/api/src/sync/sds-product-detail.mapper.ts b/apps/api/src/sync/sds-product-detail.mapper.ts
index e5f0827..001d736 100644
--- a/apps/api/src/sync/sds-product-detail.mapper.ts
+++ b/apps/api/src/sync/sds-product-detail.mapper.ts
@@ -94,7 +94,7 @@ export function parseSizeChart(raw: unknown): Prisma.InputJsonValue | null {
   const table = parseTable(raw);
   if (!table) return null;
   const [header, ...body] = table;
-  const columns = header.slice(1).map((item, index) => {
+  let columns = header.slice(1).map((item, index) => {
     const name = text(item.content)?.replace(/\s*\(cm\/in\)\s*/i, '') ?? `规格${index + 1}`;
     return { key: measurementKey(name, index + 1), name };
   });
@@ -117,6 +117,25 @@ export function parseSizeChart(raw: unknown): Prisma.InputJsonValue | null {
       };
     })
     .filter((row): row is NonNullable<typeof row> => row !== null);
+  // 巴西/西语市场上游会在表里再放一个「尺码」列，值是本地尺码码（P/M/G/GG = S/M/L/XL），
+  // 与行首尺码重复且不是测量值 → 整列丢弃。其他非数字列（身高/体重等参考信息）保留。
+  const sizeCodeColumns = new Set(
+    columns
+      .filter((column) => /^尺码$/.test(column.name))
+      .filter((column) =>
+        rows.every((row) => {
+          const cm = row.measurements.find((m) => m.key === column.key)?.cm;
+          return cm === null || cm === undefined || !Number.isFinite(Number(cm));
+        }),
+      )
+      .map((column) => column.key),
+  );
+  if (sizeCodeColumns.size > 0) {
+    columns = columns.filter((column) => !sizeCodeColumns.has(column.key));
+    for (const row of rows) {
+      row.measurements = row.measurements.filter((m) => !sizeCodeColumns.has(m.key));
+    }
+  }
   return { columns, rows } as Prisma.InputJsonValue;
 }