Created
April 12, 2018 16:42
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Express MongoDB GridFs
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const mongoose = require('mongoose'); | |
const GridFs = require('gridfs-stream'); | |
const fs = require('fs'); | |
const express = require('express'); | |
const app = express(); | |
mongoose.connect('mongodb://localhost:27017/test'); | |
GridFs.mongo = mongoose.mongo; | |
const connection = mongoose.connection; | |
connection.on('error', console.error.bind(console, 'connection error:')); | |
connection.once('open', () => { | |
const gfs = GridFs(connection.db); | |
app.get('/write', (req, res) => { | |
const writeStream = gfs.createWriteStream({ | |
filename: 'testing_2.jpg', | |
}); | |
fs.createReadStream('./testing_2.jpg').pipe(writeStream); | |
writeStream.on('close', (file) => { | |
res.send(`File stored: ${file.filename}`); | |
}); | |
}); | |
app.get('/read/:image', (req, res) => { | |
gfs.exist({ | |
filename: req.param('image'), | |
}, (err, file) => { | |
const readStream = gfs.createReadStream({ | |
filename: req.param('image'), | |
}); | |
readStream.pipe(res); | |
}); | |
}); | |
app.listen(3000, () => console.log('http://localhost:3000')); | |
}); |
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