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index.js
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index.js
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const express = require("express");
require("dotenv").config();
const cors = require("cors");
const ObjectId = require("mongodb").ObjectId;
const { MongoClient } = require("mongodb");
const fileUpload = require("express-fileupload");
const { signal } = require("nodemon/lib/config/defaults");
// const { get } = require("express/lib/response");
const app = express();
// middleware
app.use(cors());
app.use(express.json());
app.use(fileUpload());
const port = process.env.PORT || 5000;
const uri = `mongodb+srv://${process.env.DB_USER}:${process.env.DB_PASS}@cluster0.sx8wv.mongodb.net/algo-digital?retryWrites=true&w=majority`;
const client = new MongoClient(uri, {
useNewUrlParser: true,
useUnifiedTopology: true,
});
const main = async () => {
try {
// Connect the client to the server
await client.connect();
console.log("Connected successfully to MongoDB");
const database = client.db("hello-world");
const usersCollection = database.collection("users");
const postCollection = database.collection("posts");
const storiesCollection = database.collection("stories");
// APIs
//get area
//get user data
app.get("/users", async (req, res) => {
let query = {};
const email = req.query.email;
if (email) {
query = { email: email };
}
const cursor = usersCollection.find(query);
const user = await cursor.toArray();
res.send(user);
});
// get a specific user
app.get("/users/:id", async (req, res) => {
const id = req.params.id;
const query = { _id: ObjectId(id) };
const user = await usersCollection.findOne(query);
res.json(user);
});
//get post api
app.get("/posts", async (req, res) => {
const cursor = postCollection.find({});
const posts = await cursor.toArray();
res.send(posts);
});
// get a single post api
app.get("/posts/:id", async (req, res) => {
const id = req.params.id;
const query = { _id: ObjectId(id) };
const post = await postCollection.findOne(query);
res.send(post);
});
// get stories api
app.get("/stories", async (req, res) => {
const cursor = storiesCollection.find({});
const stories = await cursor.toArray();
res.send(stories);
});
//post area
//post user data
app.post("/users", async (req, res) => {
const user = req.body;
const result = await usersCollection.insertOne(user);
res.json(result);
});
//post user post data
app.post("/posts", async (req, res) => {
const post = req.body;
const result = await postCollection.insertOne(post);
res.json(result);
});
//post stories data
app.post("/stories", async (req, res) => {
let proImage = req.body?.proImage;
let time = req.body?.time;
let pic = req.files?.image;
const picData = pic?.data;
const encodedPic = picData?.toString("base64");
const imageBuffer = Buffer?.from(encodedPic, "base64");
const storyData = {
proImage,
time,
image: imageBuffer,
};
const result = await storiesCollection.insertOne(storyData);
res.json(result);
});
// upsert user
app.put("/users", async (req, res) => {
const user = req.body;
const filter = { email: user.email };
const options = { upsert: true };
const updateDoc = { $set: user };
const result = await usersCollection.updateOne(
filter,
updateDoc,
options
);
res.json(result);
});
// delete data
//delete a post data
app.delete("/posts/:id", async (req, res) => {
const id = req.params.id;
const query = { _id: ObjectId(id) };
const result = await postCollection.deleteOne(query);
res.json(result);
});
} catch (err) {
console.error(err);
} finally {
// await client.close();
}
};
main().catch((err) => console.dir);
app.get("/", (req, res) => {
res.send("Hello World Server");
});
app.listen(port, () => {
console.log(`Hello World Server listening at http://localhost:${port}`);
});