feat(ops): v4.0.7 HQ 活动图快链与勾选导出

HQ 指定一张活动图为勾选主合伙人合成 PNG/zip；城市合伙人页增加快链与单下/导出。 Co-authored-by: Cursor <cursoragent@cursor.com>
2026-09-01 15:12:10 +08:00
parent eeee55e215
commit cdc4b82931
21 changed files with 1041 additions and 28 deletions
@@ -0,0 +1,64 @@
+/**
+ * Sequential Sharp compose bench (1 / 10 / 50) on a 1080×1920 template.
+ * Usage: node scripts/with-api-env.cjs npx ts-node --transpile-only scripts/bench-activity-poster-pack.ts
+ * or from dukang-api: npx ts-node --transpile-only scripts/bench-activity-poster-pack.ts
+ */
+import sharp from 'sharp';
+import {
+  DEFAULT_ACTIVITY_POSTER_QR_SLOT,
+  activityPosterQrSlotPx,
+  activityPosterTemplateTooLarge,
+} from '@dukang/shared-types';
+
+async function png(width: number, height: number, r: number, g: number, b: number) {
+  return sharp({
+    create: { width, height, channels: 3, background: { r, g, b } },
+  })
+    .png()
+    .toBuffer();
+}
+
+async function compose(template: Buffer, qrPng: Buffer) {
+  const meta = await sharp(template).metadata();
+  if (!meta.width || !meta.height) throw new Error('no size');
+  if (activityPosterTemplateTooLarge(meta.width, meta.height)) throw new Error('too large');
+  const { left, top, size } = activityPosterQrSlotPx(
+    meta.width,
+    meta.height,
+    DEFAULT_ACTIVITY_POSTER_QR_SLOT.qrXPct,
+    DEFAULT_ACTIVITY_POSTER_QR_SLOT.qrYPct,
+    DEFAULT_ACTIVITY_POSTER_QR_SLOT.qrSizePct,
+  );
+  const qr = await sharp(qrPng).resize(size, size, { fit: 'fill' }).png().toBuffer();
+  return sharp(template).composite([{ input: qr, left, top }]).png().toBuffer();
+}
+
+function rssMb() {
+  return Math.round(process.memoryUsage().rss / 1024 / 1024);
+}
+
+async function bench(n: number, template: Buffer, qr: Buffer) {
+  const t0 = Date.now();
+  const rss0 = rssMb();
+  let last = 0;
+  for (let i = 0; i < n; i += 1) {
+    const out = await compose(template, qr);
+    last = out.length;
+  }
+  const ms = Date.now() - t0;
+  return { n, ms, avgMs: Math.round(ms / n), rss0, rss1: rssMb(), lastKb: Math.round(last / 1024) };
+}
+
+async function main() {
+  const template = await png(1080, 1920, 160, 32, 32);
+  const qr = await png(430, 430, 255, 255, 255);
+  console.log(`template=${Math.round(template.length / 1024)}KB qr=${Math.round(qr.length / 1024)}KB rss=${rssMb()}MB`);
+  for (const n of [1, 10, 50]) {
+    const row = await bench(n, template, qr);
+    console.log(
+      `n=${row.n} total=${row.ms}ms avg=${row.avgMs}ms rss ${row.rss0}->${row.rss1}MB out≈${row.lastKb}KB`,
+    );
+  }
+}
+
+void main();