ThreadCount Community edition

Uniform stock management for healthcare linen rooms: the coordinator app, the phone counter and the staff app, for your own server. Built from 8685140 on 2026-09-13. Licensed under the Functional Source License (FSL-1.1-ALv2).
2026-09-13 11:09:20 +10:00
commit 822c0b7c0b
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+/* Move existing photos out of the database and onto disk.
+ *
+ *   node scripts/photos-to-disk.cjs            # report only
+ *   node scripts/photos-to-disk.cjs --write    # actually move them
+ *
+ * Safe to run repeatedly: it only touches rows that still have base64 in `data` and no `path`,
+ * and it clears `data` only after the file is on disk and has been read back and verified byte
+ * for byte. A crash halfway leaves rows that are readable from either place, which is why the
+ * serving route handles both.
+ */
+require("dotenv/config");
+const path = require("path");
+const { mkdir, writeFile, readFile } = require("fs/promises");
+const { PrismaClient } = require("@prisma/client");
+const { PrismaPg } = require("@prisma/adapter-pg");
+
+const WRITE = process.argv.includes("--write");
+const ROOT = process.env.PHOTO_DIR || path.join(process.cwd(), ".photos");
+const EXT = { "image/jpeg": "jpg", "image/png": "png" };
+
+const prisma = new PrismaClient({ adapter: new PrismaPg({ connectionString: process.env.DATABASE_URL, max: 1 }) });
+
+function parse(data) {
+  const m = /^data:(image\/(?:jpeg|png));base64,([A-Za-z0-9+/=]+)$/.exec(data || "");
+  return m ? { mime: m[1], bytes: Buffer.from(m[2], "base64") } : null;
+}
+
+(async () => {
+  const rows = await prisma.photo.findMany({
+    where: { path: "", NOT: { data: "" } },
+    select: { id: true, facilityId: true, data: true },
+  });
+  console.log(`${rows.length} photo(s) still in the database`);
+  if (!rows.length) { await prisma.$disconnect(); return; }
+
+  const total = rows.reduce((n, r) => n + r.data.length, 0);
+  console.log(`about ${(total / 1024 / 1024).toFixed(1)} MB of base64`);
+  console.log(`destination: ${ROOT}`);
+  if (!WRITE) { console.log("\ndry run — pass --write to move them"); await prisma.$disconnect(); return; }
+
+  let moved = 0, skipped = 0;
+  for (const r of rows) {
+    const p = parse(r.data);
+    if (!p) { skipped++; continue; }
+    const rel = `${r.facilityId}/${r.id}.${EXT[p.mime] || "bin"}`;
+    const full = path.join(ROOT, rel);
+    await mkdir(path.dirname(full), { recursive: true });
+    await writeFile(full, p.bytes);
+    // Read it back before dropping the only other copy.
+    const back = await readFile(full);
+    if (!back.equals(p.bytes)) { console.error("verify failed for", r.id); skipped++; continue; }
+    await prisma.photo.update({
+      where: { id: r.id },
+      data: { path: rel, mime: p.mime, bytes: p.bytes.length, data: "" },
+    });
+    moved++;
+  }
+  console.log(`moved ${moved}, skipped ${skipped}`);
+  await prisma.$disconnect();
+})().catch(async (e) => { console.error(e); await prisma.$disconnect(); process.exit(1); });