working customer post, get and delete

AB.Persistence/AB.Persistence.csproj

@@ -6,4 +6,12 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.InMemory" Version="7.0.5" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\AB.Domain\AB.Domain.csproj" />
+  </ItemGroup>
+
 </Project>

AB.Persistence/RepoDbContext.cs

@@ -0,0 +1,25 @@
+using AB.Domain.Entities;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AB.Persistence;
+
+public sealed class RepoDbContext : DbContext
+{
+
+    public RepoDbContext(DbContextOptions options)
+        : base (options)
+    {
+    }
+
+    public DbSet<Customer> Customers { get; set; }
+
+    public DbSet<Supplier> Suppliers { get; set; }
+
+    public DbSet<Product> Products { get; set; }
+
+}

AB.Persistence/Repos/CustomerRepository.cs

@@ -0,0 +1,36 @@
+using AB.Domain.Entities;
+using AB.Domain.Repositories;
+using Microsoft.EntityFrameworkCore;
+
+namespace AB.Persistence.Repos;
+
+public class CustomerRepository : ICustomerRepository
+{
+
+    private readonly RepoDbContext _dbContext;
+
+    public CustomerRepository(RepoDbContext dbContext)
+    {
+        _dbContext = dbContext;
+    }
+
+    public async Task<IEnumerable<Customer>> GetAllAsync(CancellationToken cancellationToken)
+    {
+        return await _dbContext.Customers.ToListAsync(cancellationToken);
+    }
+
+    public async Task<Customer> GetByIdAsync(Guid customerId, CancellationToken cancellationToken)
+    {
+        return await _dbContext.Customers.FirstOrDefaultAsync(x => x.CustomerId == customerId, cancellationToken);
+    }
+
+    public void Insert(Customer customer)
+    {
+        _dbContext.Customers.Add(customer);
+    }
+
+    public void Remove(Customer customer)
+    {
+        _dbContext.Customers.Remove(customer);
+    }
+}

AB.Persistence/Repos/SupplierRepository.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AB.Persistence.Repos;
+
+public class SupplierRepository
+{
+
+
+
+}

AB.Persistence/Repos/UnitOfWork.cs

@@ -0,0 +1,19 @@
+using AB.Domain.Repositories;
+
+namespace AB.Persistence.Repos;
+
+public class UnitOfWork : IUnitOfWork
+{
+
+    private readonly RepoDbContext _dbContext;
+
+    public UnitOfWork(RepoDbContext dbContext)
+    {
+        _dbContext = dbContext;
+    }
+
+    public Task<int> SaveChangesAsync(CancellationToken cancellationToken)
+    {
+        return _dbContext.SaveChangesAsync(cancellationToken);
+    }
+}