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server.js
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server.js
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const express = require("express");
const mongoose = require("mongoose");
const config = require("config");
const multer = require("multer");
const path = require("path");
const crypto = require("crypto");
const methodOverride = require("method-override");
const { GridFsStorage } = require("multer-gridfs-storage");
const Grid = require("gridfs-stream");
const app = express();
//Express bodyparser
app.use(express.json());
//Mongo db setup
const db = config.get("mongoURI");
mongoose
.connect(db, {
useUnifiedTopology: true,
useNewUrlParser: true,
useCreateIndex: true,
})
.then(() => {
console.log("Mongo connected");
})
.catch((err) => console.log(err));
const conn = mongoose.connection;
// Initialize gridfs
let gfs;
conn.once("open", () => {
gfs = Grid(conn.db, mongoose.mongo);
gfs.collection("uploads");
app.locals.gfs = gfs;
});
// Storage engine
const storage = new GridFsStorage({
url: config.get("mongoURI"),
file: (req, file) => {
return new Promise((resolve, reject) => {
crypto.randomBytes(16, (err, buf) => {
if (err) {
return reject(err);
}
const filename = buf.toString("hex") + path.extname(file.originalname);
const fileInfo = {
filename: filename,
bucketName: "uploads",
};
resolve(fileInfo);
});
});
},
});
const upload = multer({ storage });
module.exports = upload;
//Use routes
app.use("/api/posts", require("./routes/api/posts"));
app.use("/api/users", require("./routes/api/users"));
app.use("/api/auth", require("./routes/api/auth"));
//Port setup and listening
const port = process.env.PORT || 5000;
app.listen(port, () => console.log(`Listening on port ${port}`));