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file-server - support new DriveFile w/ GridFS on '/:id/:name'

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This commit is contained in:
otofune 2017-11-06 15:39:16 +09:00
parent 2ce3179d50
commit 28a39bccf9
1 changed files with 16 additions and 5 deletions
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21
src/file/server.ts
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@ -128,17 +128,28 @@ app.get('/:id/:name', async (req, res) => {
return;
}
const file = await File.findOne({ _id: new mongodb.ObjectID(req.params.id) });
const fileId = new mongodb.ObjectID(req.params.id)
const file = await DriveFile.findOne({ _id: fileId });
if (file == null) {
res.status(404).sendFile(`${__dirname}/assets/dummy.png`);
return;
} else if (file.data == null) {
res.sendStatus(400);
return;
}
send(file.data.buffer, file.type, req, res);
const bucket = await getGridFSBucket()
const buffer = await ((id): Promise<Buffer> => new Promise((resolve, reject) => {
const chunks = []
const readableStream = bucket.openDownloadStream(id)
readableStream.on('data', chunk => {
chunks.push(chunk);
})
readableStream.on('end', () => {
resolve(Buffer.concat(chunks))
})
}))(fileId)
send(buffer, file.metadata.type, req, res);
});
module.exports = app;