🧑‍💼 Sellers Project

Visualization of sellers. Classic CRUD system.

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📅 Changelog

• 03/04/2025: Unit tests added to Angular components. Backend: added endpoint http://localhost:9876 to prevent test failures.
• 08/03/2025: Backend/Frontend: Cleaned up code and removed unnecessary comments. Database: ER diagram added.
• 07/03/2025: Added HashPassword class for encrypting login passwords. General code/comment cleanup.
• 27/02/2025: Added unit tests using xUnit and Mock libraries. Fixed URLs to comply with RESTful specifications. Modified login URL and resolved multiple bugs.
• 26/02/2025: Backend: API adjustments to follow RESTful conventions. Frontend: URL invocation fixes and added Use module.
• 24/02/2025: The system evolved into a full product sales management platform. Added entities: Buyer, Product, Sale, User, and Login.
• 14/02/2025: Initial commit. Added Backend, Frontend, and Database. Implemented data export to Excel/PDF. Improved data presentation.

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🎯 Objective

Practice development with .NET (C#), SQL, and Angular (TypeScript) — initially without using design patterns or Onion Architecture. Connects to MariaDB via Entity Framework, with Docker and DBeaver support.

Technologies:

• .NET (C#) and SQL Server
• Angular (TypeScript)
• Design Patterns
• Onion Architecture

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🚀 Features

🔧 Backend

• Based on Onion Architecture
• Implements several Design Patterns, including:
  • Data Transfer Object (DTO)
• Key Libraries:
  • Encryption:
    • System.Security.Cryptography (AES-256)
  • Logging:
    • Serilog
    • Serilog.Extensions.Logging
    • Serilog.Sinks.File
  • ORM:
    • Pomelo.EntityFrameworkCore.MySql (MariaDB provider)

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💻 Frontend

• Built with Angular 18.2.14
• Features:
  • Reactive Forms
  • AuthService and HTTP Interceptors
  • Custom Pipes and Shared Modules

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🗄️ Database

• Uses MariaDB, running via Docker Desktop
• Includes:
  • Entity-Relationship Diagram (ERD)
  • Sample data insertion scripts (.sql)
  • DDL scripts for table creation
  • DML scripts for sample data insertion

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🧪 Installation

✅ Prerequisites

Ensure the following tools are installed:

• .NET SDK 9.0.200
• Docker Desktop 4.40.0+
• Node.js + npm (for frontend)
• Postman 11.44.3

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🔧 Setup Steps

1. Clone the repository:

   git clone https://github.com/waltermillan/Sellers.git

2. Follow the video guide for setup:

   • Version 1 - Display Version

3. Complete any remaining setup steps described in the project documentation.

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📄 License

This project is licensed under the MIT License.