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A Question Community System using Domain-Driven Design (DDD) and Command Query Responsibility Segregation (CQRS) involves structuring the application around domain-specific models and separating read and write operations for optimized performance and scalability.

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MustafaTark/QuestionsCommunity

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QuestionCommunity

Overview

This repository contains a monolithic StackOverflow-like application built with .NET Core. The project implements Domain-Driven Design (DDD) and Command Query Responsibility Segregation (CQRS) principles, leveraging MediatR for request/response handling and ProblemDetails for standardized error responses.

Features

  • User registration and authentication
  • Posting questions and answers
  • Voting on questions and answers
  • Commenting on questions and answers
  • Tagging questions with relevant tags
  • Search functionality for questions

Architecture

The architecture of this StackOverflow clone is designed for scalability, maintainability, and testability. It includes the following components:

Layers

Domain Layer

  • Contains the core business logic and domain entities.
  • Implements DDD principles to model the business domain.

Application Layer

  • Implements CQRS principles by segregating commands (writes) and queries (reads).
  • Uses MediatR to handle commands and queries.

Infrastructure Layer

  • Handles data persistence and external service integrations.
  • Configures the database context and repositories.

Presentation Layer

  • Exposes APIs for interaction with the application.
  • Uses ProblemDetails for standardized error responses.

Key Patterns and Technologies

  • .NET Core: The primary framework for building the application.
  • DDD (Domain-Driven Design): Provides a structured approach to designing the system by modeling the business domain.
  • CQRS (Command Query Responsibility Segregation): Segregates read and write operations to optimize performance and scalability.
  • MediatR: Implements the mediator pattern for handling requests and notifications within the services.
  • ProblemDetails: Provides a standardized way to handle and return error responses.

Getting Started

To get started with the StackOverflow clone, follow these steps:

Prerequisites

Ensure you have the following installed on your machine:

Installation

  1. Clone the repository:

    git clone https://github.com/MustafaTark/QuestionsCommunity.git
  2. Navigate to the project directory:

    cd stackoverflow-clone
  3. Update the database connection string in appsettings.json:

    "ConnectionStrings": {
        "DefaultConnection": "Server=your_server;Database=your_database;User Id=your_user;Password=your_password;"
    }
  4. Apply database migrations:

    dotnet ef database update
  5. Build and run the application:

    dotnet run

Running the Application

Once the application is up and running, you can access it via http://localhost:5000 (or the port configured in your setup).

About

A Question Community System using Domain-Driven Design (DDD) and Command Query Responsibility Segregation (CQRS) involves structuring the application around domain-specific models and separating read and write operations for optimized performance and scalability.

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