Files
experiments-database/backend/src/routes/sessionFiles.js
T
Experiments DB Dev 52d5fca5d1 feat: store matching metadata on session file registration
Each saved file now records three additional fields:
  matched_identifier    — the literal animal_id_string or animal_name
                          substring that matched in the filename
  animal_id_string_snap — snapshot of animal.animal_id_string at
                          registration time
  animal_name_snap      — snapshot of animal.animal_name at
                          registration time

This lets future consumers (scripts, exports, re-matching) identify
the subject from the file record alone, even if animal data changes.
The matched identifier is also shown in the drop preview UI (↳ 2852).

Tests: 25 total (+2 for new payload fields).

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-04-23 13:41:36 -04:00

82 lines
3.2 KiB
JavaScript

const router = require('express').Router();
const prisma = require('../lib/prisma');
// POST /api/daily-statuses/:id/files — register file metadata (batch)
// Body: [{ filename, file_size, file_type, last_modified,
// matched_identifier, animal_id_string_snap, animal_name_snap, notes }, ...]
router.post('/daily-statuses/:id/files', async (req, res, next) => {
try {
const status = await prisma.dailyStatus.findUnique({ where: { id: req.params.id } });
if (!status) return res.status(404).json({ error: 'Daily status not found' });
const files = req.body;
if (!Array.isArray(files) || files.length === 0)
return res.status(422).json({ error: 'Request body must be a non-empty array of file metadata' });
if (files.length > 200)
return res.status(422).json({ error: 'At most 200 files per request' });
for (const f of files) {
if (!f.filename || typeof f.filename !== 'string' || !f.filename.trim())
return res.status(422).json({ error: 'Each file must have a non-empty filename' });
if (f.file_size == null || typeof f.file_size !== 'number' || f.file_size < 0)
return res.status(422).json({ error: `file_size must be a non-negative number (got: ${f.file_size})` });
}
const created = await prisma.$transaction(
files.map((f) =>
prisma.sessionFile.create({
data: {
daily_status_id: req.params.id,
filename: f.filename.trim(),
file_size: BigInt(Math.round(f.file_size)),
file_type: f.file_type ?? null,
last_modified: f.last_modified != null ? BigInt(Math.round(f.last_modified)) : null,
matched_identifier: f.matched_identifier ?? null,
animal_id_string_snap: f.animal_id_string_snap ?? null,
animal_name_snap: f.animal_name_snap ?? null,
notes: f.notes ?? null,
},
})
)
);
res.status(201).json(created.map(serializeFile));
} catch (err) { next(err); }
});
// GET /api/daily-statuses/:id/files
router.get('/daily-statuses/:id/files', async (req, res, next) => {
try {
const status = await prisma.dailyStatus.findUnique({ where: { id: req.params.id } });
if (!status) return res.status(404).json({ error: 'Daily status not found' });
const files = await prisma.sessionFile.findMany({
where: { daily_status_id: req.params.id },
orderBy: { created_at: 'asc' },
});
res.json(files.map(serializeFile));
} catch (err) { next(err); }
});
// DELETE /api/session-files/:id
router.delete('/session-files/:id', async (req, res, next) => {
try {
const file = await prisma.sessionFile.findUnique({ where: { id: req.params.id } });
if (!file) return res.status(404).json({ error: 'Session file not found' });
await prisma.sessionFile.delete({ where: { id: req.params.id } });
res.status(204).send();
} catch (err) { next(err); }
});
// BigInt fields must be serialized to strings to survive JSON.stringify
function serializeFile(f) {
return {
...f,
file_size: f.file_size.toString(),
last_modified: f.last_modified != null ? f.last_modified.toString() : null,
};
}
module.exports = router;