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thank you for your reply! Repository pattern along with EF and Unit of work. Scourgify is easy, so why is the Hog's Head so dirty? Thanks for contributing an answer to Code Review Stack Exchange! Entity Framework is an object-relational mapper(ORM), which enables the developer to work with relational data using domain-specific object and allows the use of LINQ or Lambda expressions to search or filer data in the database.

The points he mentioned in the post are perfectly valid reasons to avoid this particular pattern. Most of the code is commented and has my remarks why I did it, the way I did it, but not everything is completely finished and properly commented as this is work in progress.

Register Here & Win Swags: Want to Become A Full Stack Developer? It’s tempting to create unit of work and repository interfaces and classes for Entity Framework Core because everybody is doing so. I feel that our project is now mature enough to gradually refactor & introduce Repo & UoW patterns.

That way, you aren't passing the UserId/UserName into the method declaration but instead are using IoC to get that information. There is more than one way to implement the unit of work and repository patterns. Would a dragon sized saddle or any of its parts be buoyant enough to keep an unconscious human breathing in a calm ocean? When we run our demo application, we will see the below page which does Blog CRUD operations using our generic repository. Hello highlight.js! Register Now.

Entity Framework has a DbSet class which has Add and Remove method and therefore looks like a repository. And API isn't only consumer of service (thus service layer), we also have ASP.net MVC, Azure Functions, etc. I was trying to understand Unit of Work and repository pattern from here. Implementing these patterns can help insulate your application from changes in the data store and can facilitate automated unit testing or test-driven development (TDD).In this tutorial you'll implement a repository class for each entity type. On WebAPI controller we have repository specific Database calls through our generic repository. Was Bill Gates' mugshot photo used in 2010 as a template for Outlook contacts? The advantage of generic repository is that you can inherit from it, pass an entity type, and you will get CRUD operations.

site design / logo © 2020 Stack Exchange Inc; user contributions licensed under cc by-sa. IQueryable query = _context.Set().Where(predicate); virtual async Task> FindByAsyn(Expression> predicate). To learn more, see our tips on writing great answers. EF Core Savechanges not working for Remove, EF Core: Update object graph duplicates child entities.

Each command/query is specific to the business problem at hand.

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