which architecture will be better to handle transactions ERP ?

only small question

https://codewithmukesh.com/blog/cqrs-and-mediatr-in-aspnet-core/

link not have unit of work design pattern to handle cqrs

so when we will use unit of work 

can you tell me when or sample code handle cqrs by unit of work

Hello Ahmed salah,

Please refer this article wich will help you out to undestand step by step,

https://codewithmukesh.com/blog/cqrs-and-mediatr-in-aspnet-core/

according to explain above i will use mediator libraray or not sitable for my case 

as mediator.send 

How to use cqrs design pattern on asp.net core entity framework core 

can you give me sample code source github or any link web site for explain cqrs

Hi @ahmed salah,

 

To effectively handle transactions in your ERP solution, consider the following recommendations:

1. Architecture: Use a Microservices architecture. This allows you to develop independent services for each module (purchase, sales, etc.), facilitating scalability and maintainability.

2. Design Pattern: Implement the CQRS (Command Query Responsibility Segregation) pattern. This separates read and write operations, optimizing performance for complex transactions.

3. Data Access Technology: Opt for Entity Framework Core. It provides a robust ORM for handling complex queries and relationships, which is essential for your large datasets.

4. Front-End Framework: Choose React. It offers excellent performance for asynchronous operations and is well-suited for complex UIs, making it ideal for your ERP's intricate transaction handling.

5. Future Mobile Integration: Ensure your API is RESTful, allowing easy data access for mobile applications.

6. Maintenance: Adopt a modular approach in your codebase, ensuring that changes and maintenance are straightforward and organized.

By following these guidelines, you can create a scalable and efficient ERP solution capable of managing high transaction volumes effectively.

Based on my understanding, the following use cases can be outlined:
When to Use React

• Small to medium-sized applications where flexibility and customization are priorities.
• Applications with frequently updated UIs or real-time data (e.g., dashboards, social networks).
• Teams with JavaScript developers or when you want to avoid a steep learning curve.

When to Use Angular 

• Enterprise-level applications requiring strong structure and built-in tools.
• Applications needing complex forms or large-scale data management.
• Teams with experience in TypeScript or previous Angular projects.

Why React Might Be Better for UI

• Performance: React’s Virtual DOM and component-based updates ensure smooth rendering.
• Developer Productivity: JSX syntax and the simplicity of React hooks make UI development more intuitive.
• Third-Party Libraries: The vast ecosystem provides many UI libraries and components.
• React Native: React has seamless integration with React Native for mobile apps.

why use react and not use angular as ui front end 

are react best from angular on performance and ui 

can you answer for me on this question

You can use a Unit of work with a Repository pattern,

Why use a Unit of Work with the Repository Pattern?

The Repository Pattern provides an abstraction over the data layer to interact with the database using domain entities. When combined with the Unit of Work, the two patterns:

1. Prevent multiple database calls:
   • Repositories interact with the Unit of Work to delay saving changes until all operations within a single transaction are complete.
2. Ensure consistency:
   • If multiple repositories are used within a single transaction, Unit of Work ensures that either all changes are committed or none at all.
3. Improve performance:
   • Batch operations or minimize database calls by deferring commits.

which pattern i will use with repository pattern 

CQRS or Unit of Work.

and why i use unit of work 

can you clarify this point 

Ahmed Salah,

The choice of technical stack and architecture depends on your project requirements, the existing technology stack within your organization, and your plans for future expansion. These factors play a crucial role in determining the best approach.

Here are some recommendations:

1. Architecture: Microservices with Clean Architecture.
2. Design Pattern: Domain-Driven Design (DDD), CQRS, Repository, and Unit of Work.
3. Data Access: Entity Framework Core combined with Dapper for performance-critical operations.
4. Front-End Framework: Angular, as it excels at handling complex UIs and asynchronous operations.
5. Mobile Integration: Use RESTful APIs or GraphQL with JWT for secure authentication.
6. Maintenance: Adhere to SOLID principles, leverage dependency injection, implement centralized logging, and use GitFlow for version control.