Added subscribe fitflex feature (#457)

server/.env.example

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+MONGO_URI=mongodb://localhost:27017/fitflexDB
+JWT_SECRET=scijyasfy7dsvegdffvbfbfgg435tgrsnbgfgn
+PORT=5000
+EMAIL_ID=
+PASS_KEY=
+ADMIN_EMAIL_ID=

server/app.js

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+import express from "express";
+import dotenv from "dotenv";
+import connectDB from "./utils/db.js";
+import cors from "cors";
+import newsletterRoutes from "./routes/newsletterRoute.js";
+
+
+
+dotenv.config();
+const app = express();
+connectDB();
+
+app.use(express.json());
+
+// To avoid cross-origin error
+app.use(cors());
+
+// Use the imported routes
+app.use("/api/newsletter", newsletterRoutes);
+
+
+const PORT = process.env.PORT || 5000;
+app.listen(PORT, () => {
+    console.log(`Server running on port ${PORT}`);
+});

server/controller/newsletterController.js

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+import NewsLetter from "../models/Newsletter.js";
+import { sendMailToSubscriber } from "../sendSuscribedMail.js";
+
+export async function saveNewsletter(req, res) {
+    try {
+        const { name, email } = req.body;
+
+        if (!name || !email) {
+            return res.status(400).json({ message: "All fields are required." });
+        }
+
+        // Create new contact document
+        const newNewsLetter = new NewsLetter({ name, email });
+        sendMailToSubscriber(newNewsLetter)
+        await newNewsLetter.save();
+        res
+            .status(201)
+            .json({ message: "Contact form submitted successfully!", newNewsLetter });
+    } catch (error) {
+        console.error("Error saving contact form:", error);
+        res.status(500).json({ message: "Failed to submit contact form.", error });
+    }
+}
+
+export async function getNewsletter(req, res) {
+    res.send('hello newsletter')
+}

server/models/Newsletter.js

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+import mongoose from "mongoose";
+
+const newsletterSchema = new mongoose.Schema({
+    name: {
+        type: String,
+        required: true,
+        trim: true
+    },
+    email: {
+        type: String,
+        required: true,
+        trim: true,
+        match: [/^\S+@\S+\.\S+$/, "Please enter a valid email address"]
+    },
+    subscribedAt: {
+        type: Date,
+        default: Date.now
+    }
+});
+
+const Newsletter = mongoose.model("Newsletter", newsletterSchema);
+
+export default Newsletter;

server/package.json

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+{
+  "name": "server",
+  "version": "1.0.0",
+  "main": "app.js",
+  "type": "module",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [
+    "megablog"
+  ],
+  "author": "",
+  "license": "ISC",
+  "description": "",
+  "dependencies": {
+    "cors": "^2.8.5",
+    "dotenv": "^16.4.5",
+    "express": "^4.21.1",
+    "mongoose": "^8.8.0",
+    "nodemailer": "^6.9.16",
+    "nodemon": "^3.1.7"
+  }
+}

server/routes/newsletterRoute.js

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+import express from "express";
+const router = express.Router();
+import { getNewsletter, saveNewsletter } from "../controller/newsletterController.js";
+
+router.post("/suscribe", saveNewsletter);
+router.get("/getNewsletter", getNewsletter);
+
+export default router;

server/sendSuscribedMail.js

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+import nodemailer from 'nodemailer';
+import dotenv from 'dotenv';
+dotenv.config();
+
+const sendMailToSubscriber = (userdata) => {
+    const transporter = nodemailer.createTransport({
+        service: "gmail",
+        host: "smtp.gmail.com",
+        port: 587,
+        secure: false,
+        auth: {
+            user: process.env.EMAIL_ID,
+            pass: process.env.PASS_KEY,
+        },
+    });
+
+    async function main() {
+        await transporter.sendMail({
+            from: {
+                name: "FitFlex",
+                address: process.env.EMAIL_ID,
+            },
+            to: userdata.email,
+            subject: "Welcome to FitFlex! 💪 You've successfully subscribed",
+            text: "Thank you for subscribing to FitFlex! Get ready to transform your fitness journey!",
+            html: `
+                <div style="background-color: #fff5e0; color: #333; padding: 20px; font-family: Arial, sans-serif;">
+                    <div style="max-width: 600px; margin: 0 auto; background: white; padding: 20px; border-radius: 10px; box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);">
+                        <h2 style="text-align: center; color: #ff6600;">Welcome to FitFlex, ${userdata.name}!</h2>
+                        <p style="font-size: 16px; line-height: 1.6; color: #555;">
+                            Hi ${userdata.name},
+                        </p>
+                        <p style="font-size: 16px; line-height: 1.6; color: #555;">
+                            Congratulations on subscribing to FitFlex! You’re now part of a community dedicated to helping you achieve your fitness goals—whether it's weight loss, muscle gain, or overall fitness. Our daily workout plans will guide you through each day, step by step!
+                        </p>
+                        <p style="font-size: 16px; line-height: 1.6; color: #555;">
+                            Your fitness journey starts here, and we're excited to support you every step of the way. Track your progress, stay consistent, and transform your life with FitFlex.
+                        </p>
+                        <p style="font-size: 16px; line-height: 1.6; color: #555;">
+                            Stay motivated, and don’t forget to check in daily for your new workout plan! Let's get stronger together.
+                        </p>
+                        <p style="font-size: 16px; line-height: 1.6; color: #555;">
+                            Best Regards, <br/>
+                            The FitFlex Team
+                        </p>
+                    </div>
+                </div>
+            `,
+        });
+    }
+
+    main().catch(console.error);
+};
+
+export { sendMailToSubscriber };

server/utils/db.js

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+import mongoose from "mongoose";
+import dotenv from "dotenv";
+dotenv.config();
+
+const connectDB = async () => {
+    try {
+        await mongoose.connect(process.env.MONGO_URI);
+        console.log("MongoDB Connected");
+    } catch (error) {
+        console.error("Database connection error:", error);
+        process.exit(1);
+    }
+};
+
+export default connectDB;