hrynco-ef/HrynCo.DAL.EF/Core/BaseRepository.cs

namespace HrynCo.DAL.EF.Core;

using System.Diagnostics.CodeAnalysis;
using HrynCo.DAL.Abstract.Entities;
using Microsoft.EntityFrameworkCore;

[SuppressMessage("Major Code Smell", "S2436:Reduce the number of generic parameters",
    Justification = "Generic design is intentional and improves reusability")]
public abstract class BaseRepository<TEfRepository, TDbContext, TEntity, TEntityId>
    where TEntity : class, IEntity<TEntityId>
    where TDbContext : DbContext
    where TEfRepository : BaseEfRepository<TDbContext, TEntity, TEntityId>
    where TEntityId : struct
{
    private readonly Lazy<TEfRepository> _lazyEfRepository;

    protected BaseRepository()
    {
        _lazyEfRepository = new Lazy<TEfRepository>(CreateEfRepository);
    }

    protected TEfRepository EfRepository => _lazyEfRepository.Value;

    protected abstract TEfRepository CreateEfRepository();
}