add supplier repo and suppliercreationdto

AB.Persistence/Repos/SupplierRepository.cs

@@ -1,4 +1,7 @@
-using System;
+using AB.Domain.Entities;
+using AB.Domain.Repositories;
+using Microsoft.EntityFrameworkCore;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
@@ -6,9 +9,33 @@ using System.Threading.Tasks;
 
 namespace AB.Persistence.Repos;
 
-public class SupplierRepository
+public class SupplierRepository : ISupplierRepository
 {
+    private readonly RepoDbContext _dbContext;
 
+    public SupplierRepository(RepoDbContext dbContext)
+    {
+        _dbContext = dbContext;
+    }
 
+    public async Task<IEnumerable<Supplier>> GetAllAsync(CancellationToken cancellationToken)
+    {
+        return await _dbContext.Suppliers.ToListAsync(cancellationToken);
+    }
 
+    public async Task<Supplier> GetByIdAsync(Guid supplierId, CancellationToken cancellationToken)
+    {
+        return await _dbContext.Suppliers.FirstOrDefaultAsync(x => x.SupplierId == supplierId, cancellationToken);
+    }
+
+    public void Insert(Supplier supplier)
+    {
+        _dbContext.Add(supplier);
+    }
+
+    public void Remove(Supplier supplier)
+    {
+        
+        _dbContext.Suppliers.Remove(supplier);
+    }
 }