This is the Final Commit for the Fraud Detection backend

Author: abhishek

.github/workflows/node.js.yml

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+# This workflow will do a clean installation of node dependencies, cache/restore them, build the source code and run tests across different versions of node
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-nodejs
+
+name: Node.js CI
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [14.x, 16.x, 18.x]
+        # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v3
+      with:
+        node-version: ${{ matrix.node-version }}
+        cache: 'npm'
+    - run: npm ci
+    - run: npm run build --if-present
+    - run: npm test

.gitignore

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+# Ignore node_modules directory
+node_modules/
+
+# Ignore logs and other generated files
+logs/
+*.log
+*.txt
+npm-debug.log*
+
+# Ignore environment-specific files
+.env
+
+# Ignore user-specific files
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# Ignore VS Code settings
+.vscode/
+
+oldDBConnection.js

Dockerfile

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+# Use an official Node.js image as a base image
+FROM node:20
+
+# Set the working directory in the container
+WORKDIR /usr/src/app
+
+# Copy package.json and package-lock.json to the working directory
+COPY package*.json ./
+
+# Install Node.js dependencies
+RUN npm install
+
+# Install additional tools
+RUN apt-get update && apt-get install -y \
+    curl \
+    whois \
+    wget \
+    && wget https://gitlab.com/api/v4/projects/33695681/packages/generic/nrich/latest/nrich_latest_amd64.deb \
+    && dpkg -i nrich_latest_amd64.deb \
+    && rm nrich_latest_amd64.deb
+
+# Copy the rest of the application code
+COPY . .
+
+# Expose the port your app runs on
+EXPOSE 8080
+
+
+# Install PM2 globally
+RUN npm install -g pm2
+
+# Start the Node.js application with PM2
+CMD ["pm2-runtime", "start", "pm2.config.js"]
+
+
+

MongoDB/Dockerfile

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+# Use an official MongoDB image
+FROM mongo:latest
+
+# Expose the default MongoDB port
+EXPOSE 27017
+
+
+# Use ARG to declare build-time variables
+ARG DB_USER
+ARG DB_PASSWORD
+ARG DB_DATABASE
+
+# Set environment variables (optional)
+ENV MONGO_INITDB_ROOT_USERNAME=$DB_USER
+ENV MONGO_INITDB_ROOT_PASSWORD=$DB_PASSWORD
+ENV MONGO_INITDB_DATABASE=$DB_DATABASE
+
+
+# Copy the initialization script to the container
+COPY init-script.js /docker-entrypoint-initdb.d/
+
+
+# Expose custom port for MongoDB (optional)
+ENV MONGO_PORT=27017
+
+# Uncomment the line below if you want to enable MongoDB authentication
+# ENV MONGO_AUTH=true
+
+#--build-arg DB_HOST=

MongoDB/docker-compose.yml

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+version: '3.8'
+
+services:
+  mongodb:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    container_name: fraud-detection-mongodb
+    ports:
+      - "27017:27017"
+    volumes:
+      - ./MongoDB/fraud-detectionDB:/MongoDB/fraud-detectionDB
+    environment:
+      MONGO_INITDB_ROOT_USERNAME: $DB_USER
+      MONGO_INITDB_ROOT_PASSWORD: $DB_PASSWORD
+      MONGO_INITDB_DATABASE: $DB_DATABASE

MongoDB/init-script.js

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+// init-script.js
+
+// Connect to the MongoDB server
+conn = new Mongo();
+
+// Switch to the 'user_input_data' database
+db = db.getSiblingDB('user_input_data');
+
+// Create collections
+db.createCollection('messages');
+db.createCollection('realBankData');
+
+print("Executing script for userInputOnlyBankNames");
+
+db.createCollection('userInputOnlyBankNames');
+db.createCollection('userInputOnlyBankURLs');
+
+// Load CSV data into collections
+loadCSV('/docker-entrypoint-initdb.d/messages.csv', 'messages');
+loadCSV('/docker-entrypoint-initdb.d/realBankData.csv', 'realBankData');
+
+function loadCSV(filePath, collectionName) {
+    const fileContent = cat(filePath);
+    const lines = fileContent.split('\n');
+    const headers = lines[0].split(',');
+
+    const data = [];
+    for (let i = 1; i < lines.length; i++) {
+        const values = lines[i].split(',');
+        const entry = {};
+        for (let j = 0; j < headers.length; j++) {
+            entry[headers[j]] = values[j];
+        }
+        data.push(entry);
+    }
+
+    // Insert data into the specified collection
+    db[collectionName].insertMany(data);
+}

MongoDB/messages.csv

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+# fraud_detection_node

MongoDB/realBankData.csv

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+const express = require('express');
+const bodyParser = require('body-parser');
+const path = require('path');
+const mainRoutes = require('./src/routes/mainRoutes');
+require('dotenv').config();
+
+const app = express();
+const port = process.env.PORT || 8080;
+
+app.set('view engine', 'ejs');
+app.set('views', path.join(__dirname, 'views'));
+app.use(express.static(path.join(__dirname, 'public')));
+app.use(bodyParser.urlencoded({ extended: true }));
+app.use(express.json());
+
+// Use the mainRoutes for specific routes
+app.use('/', mainRoutes);
+
+// Error handling middleware
+app.use((err, req, res, next) => {
+    res.status(err.status || 500).json({ error: err.message });
+});
+
+app.listen(port, () => {
+    console.log(`Server is running on port ${port}`);
+});