E-BankSim v0.1

E-BankSim is a C++ console application that simulates a simple electronic banking system. It manages client information, handles transactions, and now includes user authentication and permissions management, bringing it closer to a real-world banking simulation.

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Table of Contents

1. Features
2. Login Information
3. Database Structure
4. How It Works
5. Project Structure
6. Learning Goals
7. Changes from Previous Version

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Features

Client Management (CRUD)

• Add new clients
• Update client information
• Delete clients
• Search clients by Account Number

Transactions

• Deposit money
• Withdraw money
• Display total balances of all clients

User Management

• Add, update, delete, and search users
• Assign permissions (Full Access / Limited Access)
• Secure login system

Command-Line Interface (CLI)

• User-friendly text-based menus

• Organized navigation:

  • Main Menu
  • Transactions Menu
  • User Management Menu

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Login Information

Default Admin Credentials:

• Username: admin
• Password: 1234

Admin has full access to all functionalities: client management, transactions, and user management.

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Database Structure

Clients.txt – Stores client data:

Field	Description
Account Number	Unique identifier
Pin Code	Client PIN
Name	Client name
Phone	Contact number
Account Balance	Current balance

Users.txt – Stores user data:

Field	Description
Username	User login name
Password	User password
Permissions	Access level (Full / Limited)

All records are separated using a custom delimiter: #//#.

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How It Works

1. The application loads data from Clients.txt and Users.txt into memory (vectors).
2. Users perform operations on in-memory data.
3. Changes are saved back to the text files immediately.
4. Users navigate via structured CLI menus:

Main Menu

• Show Client List
• Add New Client
• Delete Client
• Update Client Info
• Find Client
• Transactions
• Manage Users
• Logout

Transactions Menu

• Deposit
• Withdraw
• Show Total Balances
• Back to Main Menu

User Management Menu

• List Users
• Add New User
• Delete User
• Update User
• Find User
• Back to Main Menu

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Project Structure

E-BankSimV0.1.cpp      → Main source code
Clients.txt        → Client database
Users.txt          → User database
README.md          → Project documentation

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Learning Goals

• Simulate a database using text files
• Practice file handling in C++ with fstream
• Implement CRUD operations in a CLI project
• Understand data persistence without a real database
• Learn basic user authentication and permissions handling

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Changes from Previous Version

Aspect	Previous Version	v0.1 Professional Version
User Authentication	Not included	Added login system with username/password
User Management	Not included	Full CRUD with permissions
Database Files	Only Clients.txt	Clients.txt + Users.txt
Menu Structure	Simple Main & Transactions menus	Main Menu + Transactions + User Management menus
Security	None	Permission-based access control
CLI Experience	Basic	Structured, user-friendly
Documentation	Minimal	Detailed, professional, includes tables & flow