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• Initiate the node project npm init
• Create app.js
• Write console logs and run

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/// <summary>
/// Generates a presigned URL of the file if it is successfully uploaded to S3
/// </summary>
/// <param name="file">File to be Uploaded</param>
/// <returns></returns>
public async Task<string> GetS3ObjectPresignedUrl(IFormFile file)
{
	try
	{
		var key = Path.GetRandomFileName() + Guid.NewGuid().ToString() + Path.GetExtension(file.FileName).ToLowerInvariant();

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namespace CodePanthers.AWS.S3.UploadService.Controllers
{
    [Route("Upload")]
    public class UploadController : Controller
    {
        private readonly IFileUploadService _fileUploadService;
        public UploadController(IFileUploadService fileUploadService)
        {
            _fileUploadService = fileUploadService;
        }

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{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Sid": "VisualEditor0",
            "Effect": "Allow",
            "Action": [
                "sns:Publish",
                "sns:Subscribe"
            ],

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using System.Threading.Tasks;

namespace CodePanthers.AWS.S3.UploadService.Services
{
    public interface INotificationService
    {
        Task SendUploadNotification(string topic, string message);
        Task SendUploadNotification(string message);
        Task RegisterSubscirption(string email);
        Task RegisterSubscirption(string topic, string email);

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using Amazon.SimpleNotificationService;
using Amazon.SimpleNotificationService.Model;
using Microsoft.Extensions.Configuration;
using System;
using System.Threading.Tasks;

namespace CodePanthers.AWS.S3.UploadService.Services
{
    public class NotificationService : INotificationService
    {

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public async Task<string> GetS3ObjectPresignedUrl(IFormFile file)
{
    try
    {
        var key = Path.GetRandomFileName() + Guid.NewGuid().ToString() + Path.GetExtension(file.FileName).ToLowerInvariant();                
        if (await UploadFileToS3(file, key))
        {
            var getUrlRequest = new GetPreSignedUrlRequest
            {
                BucketName = BucketName,

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[HttpPost("register")]
public async Task<IActionResult> RegisterEmailSubscription([FromBody] string email)
{
    if (string.IsNullOrEmpty(email))
    {
        return BadRequest(new { status = "Failed", message = "Enter a valid Email Address" });
    }
    else
    {
        await _notificationService.RegisterSubscirption(email);

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# Logs
logs
*.log
npm-debug.log*
yarn-debug.log*
yarn-error.log*
lerna-debug.log*
.pnpm-debug.log*

# Diagnostic reports (https://nodejs.org/api/report.html)

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const express = require("express");
const app = express();
const PORT = process.env.PORT || 80;

app.get("/",(req,res)=> {
    res.send("Hello From Code Panthers");
    res.end();
})

app.listen(PORT,() => {