working customer post, get and delete

AB-API/AB.WEB.csproj

@@ -8,11 +8,17 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="7.0.5">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
     <PackageReference Include="Swashbuckle.AspNetCore" Version="6.2.3" />
   </ItemGroup>
 
   <ItemGroup>
     <ProjectReference Include="..\AB.API\AB.API.csproj" />
+    <ProjectReference Include="..\AB.Persistence\AB.Persistence.csproj" />
+    <ProjectReference Include="..\AB.Services\AB.Services.csproj" />
   </ItemGroup>
 
 </Project>

AB-API/Controllers/WeatherForecastController.cs

@@ -1,33 +0,0 @@
-using Microsoft.AspNetCore.Mvc;
-
-namespace AB_API.Controllers
-{
-    [ApiController]
-    [Route("[controller]")]
-    public class WeatherForecastController : ControllerBase
-    {
-        private static readonly string[] Summaries = new[]
-        {
-        "Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching"
-    };
-
-        private readonly ILogger<WeatherForecastController> _logger;
-
-        public WeatherForecastController(ILogger<WeatherForecastController> logger)
-        {
-            _logger = logger;
-        }
-
-        [HttpGet(Name = "GetWeatherForecast")]
-        public IEnumerable<WeatherForecast> Get()
-        {
-            return Enumerable.Range(1, 5).Select(index => new WeatherForecast
-            {
-                Date = DateTime.Now.AddDays(index),
-                TemperatureC = Random.Shared.Next(-20, 55),
-                Summary = Summaries[Random.Shared.Next(Summaries.Length)]
-            })
-            .ToArray();
-        }
-    }
-}

AB-API/Program.cs

@@ -1,3 +1,12 @@
+using AB.Domain.Repositories;
+using AB.Persistence;
+using AB.Persistence.Repos;
+using AB.Services;
+using AB.Services.Abstractions;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.OpenApi.Models;
+
 var builder = WebApplication.CreateBuilder(args);
 
 // Add services to the container.
@@ -5,7 +14,17 @@ var builder = WebApplication.CreateBuilder(args);
 builder.Services.AddControllers().AddApplicationPart(typeof(AB.API.AssemblyReference).Assembly);
 // Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
 builder.Services.AddEndpointsApiExplorer();
-builder.Services.AddSwaggerGen();
+builder.Services.AddSwaggerGen(c => c.SwaggerDoc("v1", new OpenApiInfo { Title = "AB-API", Version = "v1" , Description = "An Api for the AB-Application"}));
+
+builder.Services.AddScoped<ICustomerService, CustomerService>();
+builder.Services.AddScoped<ICustomerRepository, CustomerRepository>();
+
+builder.Services.AddScoped<IUnitOfWork, UnitOfWork>();
+
+builder.Services.AddDbContextPool<RepoDbContext>(builder =>
+{
+    builder.UseInMemoryDatabase("test");
+});
 
 var app = builder.Build();
 

AB-API/WeatherForecast.cs

@@ -1,13 +0,0 @@
-namespace AB_API
-{
-    public class WeatherForecast
-    {
-        public DateTime Date { get; set; }
-
-        public int TemperatureC { get; set; }
-
-        public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);
-
-        public string? Summary { get; set; }
-    }
-}

AB.API/Controllers/BusinessPartner/CustomerController.cs

@@ -0,0 +1,51 @@
+using AB.Contracts;
+using AB.Services.Abstractions;
+using Microsoft.AspNetCore.Mvc;
+
+namespace AB.API.Controllers.BusinessPartner;
+
+[ApiController]
+[Route("api/customers")]
+public class CustomerController : ControllerBase
+{
+
+    private readonly ICustomerService _customerService;
+
+    public CustomerController(ICustomerService customerService)
+    {
+            _customerService = customerService;
+    }
+
+    [HttpGet]
+    public async Task<ActionResult<IEnumerable<CustomerDto>>> GetCustomers(CancellationToken cancellationToken)
+    {
+        var customers = await _customerService.GetAllAsync(cancellationToken);
+
+        return Ok(customers);
+    }
+
+    [HttpGet("{customerId:guid}")]
+    public async Task<ActionResult<CustomerDto>> GetCustomerById(Guid customerId, CancellationToken cancellationToken)
+    {
+        var customer = await _customerService.GetByIdAsync(customerId, cancellationToken);
+
+        return Ok(customer);
+    }
+
+    [HttpPost]
+    public async Task<CreatedAtActionResult> CreateCustomer([FromBody] CustomerForCreationDto customerForCreation)
+    {
+        var customerDto = await _customerService.CreateAsync(customerForCreation);
+
+        return CreatedAtAction(nameof(CreateCustomer), new { customerId = customerDto.Id }, customerDto);
+    }
+
+    [HttpDelete("{customerId:guid}")]
+    public async Task<NoContentResult> DeleteCustomer(Guid customerId, CancellationToken cancellationToken)
+    {
+        await _customerService.DeleteAsync(customerId, cancellationToken);
+
+        return NoContent();
+    }
+
+}

AB.API/Controllers/BusinessPartner/SupplierController.cs

@@ -0,0 +1,48 @@
+using AB.Contracts;
+using AB.Services.Abstractions;
+using Microsoft.AspNetCore.Mvc;
+
+namespace AB.API.Controllers.BusinessPartner;
+
+[ApiController]
+[Route("api/suppliers")]
+public class SupplierController : ControllerBase
+{
+
+    public readonly ISupplierService _supplierService;
+
+    [HttpGet]
+    public async Task<ActionResult<IEnumerable<SupplierDto>>> GetSupplieres(CancellationToken cancellationToken)
+    {
+        var suppliers = await _supplierService.GetAllAsync(cancellationToken);
+
+        return Ok(suppliers);
+    }
+
+    [HttpGet("{supplierId:guid}")]
+    public async Task<ActionResult<SupplierDto>> GetSupplierById(Guid supplierId, CancellationToken cancellationToken)
+    {
+        var supplierDto = await _supplierService.GetSupplierByIdAsync(supplierId, cancellationToken);
+
+        return Ok(supplierDto);
+    }
+
+    [HttpPost]
+    public async Task<CreatedAtActionResult> CreateSupplier([FromBody] SupplierForCreationDto supplierForCreation)
+    {
+        var supplierDto = await _supplierService.CreateAsync(supplierForCreation);
+
+        return CreatedAtAction(nameof(CreateSupplier), new { id = supplierDto.Id }, supplierDto);
+    }
+
+    [HttpDelete("{supplierId:guid}")]
+    public async Task<NoContentResult> DeleteSupplier(Guid supplierId, CancellationToken cancellationToken)
+    {
+        await _supplierService.DeleteAsync(supplierId, cancellationToken);
+
+        return NoContent();
+    }
+
+
+
+}

AB.API/Controllers/CustomerController.cs

@@ -1,53 +0,0 @@
-using AB.Contracts;
-using AB.Services.Abstractions;
-using Microsoft.AspNetCore.Mvc;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace AB.API.Controllers
-{
-    [ApiController]
-    [Route("api/customers")]
-    public class CustomerController : ControllerBase
-    {
-
-        private readonly ICustomerService _customerService;
-
-
-        [HttpGet]
-        public async Task<IActionResult> GetCustomers(CancellationToken cancellationToken)
-        {
-            var customers = await _customerService.GetAllAsync(cancellationToken);
-
-            return Ok(customers);
-        }
-
-        [HttpGet("{customerId:guid}")]
-        public async Task<IActionResult> GetCustomerById(Guid customerId, CancellationToken cancellationToken)
-        {
-            var customer = await _customerService.GetByIdAsync(customerId, cancellationToken);
-
-            return Ok(customer);
-        }
-
-        [HttpPost]
-        public async Task<IActionResult> CreateCustomer([FromBody] CustomerForCreationDto customerForCreation)
-        {
-            var customerDto = await _customerService.CreateAsync(customerForCreation);
-            
-            return CreatedAtAction(nameof(CreateCustomer), new {customerId = customerDto.Id}, customerDto);
-        }
-
-        [HttpDelete("{customerId:guid}")]
-        public async Task<IActionResult> DeleteCustomer(Guid customerId, CancellationToken cancellationToken)
-        {
-            await _customerService.DeleteAsync(customerId, cancellationToken);
-
-            return NoContent();
-        }
-
-    }
-}

AB.Contracts/CustomerDto.cs

@@ -1,15 +1,20 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
+namespace AB.Contracts;
 
-namespace AB.Contracts
+public class CustomerDto
 {
-    public class CustomerDto
-    {
 
-        public Guid Id { get; set; }
+    public Guid Id { get; set; }
+
+    public string Salutaion { get; set; }
+
+    public string Name1 { get; set; }
+
+    public string Name2 { get; set; }
+
+    public string Email { get; set; }
+
+    public string Iban { get; set; }
+
+    public string PhoneNumber { get; set; }
 
-    }
 }

AB.Contracts/CustomerForCreationDto.cs

@@ -1,12 +1,27 @@
 using System;
 using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace AB.Contracts
+namespace AB.Contracts;
+
+public class CustomerForCreationDto
 {
-    public class CustomerForCreationDto
-    {
-    }
+    [Required]
+    public string Salutaion { get; set; }
+    
+    [Required]
+    public string Name1 { get; set; }
+
+    public string? Name2 { get; set; }
+    
+    public string? Email { get; set; }
+
+    public string? Iban { get; set; }
+    
+    public string? PhoneNumber { get; set; }
+
+
 }

AB.Contracts/SupplierDto.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AB.Contracts;
+
+public class SupplierDto
+{
+
+    public Guid Id { get; set; }
+
+}

AB.Contracts/SupplierForCreationDto.cs

@@ -4,9 +4,8 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace AB.Contracts
+namespace AB.Contracts;
+
+public class SupplierForCreationDto
 {
-    public class SupplierForCreationDto
-    {
-    }
 }

AB.Domain/Entities/Customer.cs

@@ -4,11 +4,23 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace AB.Domain.Entities
-{
-    public class Customer
-    {
-        Guid coutomerId;
+namespace AB.Domain.Entities;
+
+public class Customer
+{ 
+
+    public Guid CustomerId { get; set; }
+
+    public string Salutation { get; set; }
+
+    public string Name1 { get; set; }
+
+    public string Name2 { get; set; }
+
+    public string Email { get; set; }
+
+    public string Iban { get; set; }
+
+    public string PhoneNumber { get; set; }
 
-    }
 }

AB.Domain/Entities/Product.cs

@@ -4,11 +4,10 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace AB.Domain.Entities
-{
-    public class Product
-    {
-        Guid productId;
+namespace AB.Domain.Entities;
+
+public class Product
+{
+    public Guid ProductId { get; set; }
 
-    }
 }

AB.Domain/Entities/Supplier.cs

@@ -4,11 +4,10 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace AB.Domain.Entities
-{
-    public class Supplier
-    {
+namespace AB.Domain.Entities;
 
-        Guid supplierId;
-    }
+public class Supplier
+{
+
+    public Guid SupplierId { get; set; }
 }

AB.Domain/Exceptions/BusinessPartnerNotFoundException.cs

@@ -4,14 +4,13 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace AB.Domain.Exceptions
+namespace AB.Domain.Exceptions;
+
+public class BusinessPartnerNotFoundException : NotFoundException
 {
-    public class BusinessPartnerNotFoundException : NotFoundException
-    {
 
-        public BusinessPartnerNotFoundException(Guid businessPartnerId)
-        : base ($"The BusinessPartner with the indetifier {businessPartnerId} was not found.")
-            { }
+    public BusinessPartnerNotFoundException(Guid businessPartnerId)
+    : base ($"The BusinessPartner with the indetifier {businessPartnerId} was not found.")
+        { }
 
-    }
 }

AB.Domain/Exceptions/NotFoundException.cs

@@ -4,17 +4,16 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace AB.Domain.Exceptions
-{
+namespace AB.Domain.Exceptions;
 
-	[Serializable]
-	public abstract class NotFoundException : Exception
-	{
-		public NotFoundException() { }
-		public NotFoundException(string message) : base(message) { }
-		public NotFoundException(string message, Exception inner) : base(message, inner) { }
-		protected NotFoundException(
-		  System.Runtime.Serialization.SerializationInfo info,
-		  System.Runtime.Serialization.StreamingContext context) : base(info, context) { }
-	}
+
+[Serializable]
+public abstract class NotFoundException : Exception
+{
+	public NotFoundException() { }
+	public NotFoundException(string message) : base(message) { }
+	public NotFoundException(string message, Exception inner) : base(message, inner) { }
+	protected NotFoundException(
+	  System.Runtime.Serialization.SerializationInfo info,
+	  System.Runtime.Serialization.StreamingContext context) : base(info, context) { }
 }

AB.Domain/Repositories/ICustomerRepository.cs

@@ -1,12 +1,16 @@
-using System;
+using AB.Domain.Entities;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace AB.Domain.Repositories
+namespace AB.Domain.Repositories;
+
+public interface ICustomerRepository
 {
-    public class ICustomerRepository
-    {
-    }
+    public Task<IEnumerable<Customer>> GetAllAsync(CancellationToken cancellationToken);
+    Task<Customer> GetByIdAsync(Guid customerId, CancellationToken cancellationToken);
+    void Insert(Customer customer);
+    void Remove(Customer customer);
 }

AB.Domain/Repositories/ISupplierRepository.cs

@@ -4,9 +4,8 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace AB.Domain.Repositories
+namespace AB.Domain.Repositories;
+
+public class ISupplierRepository
 {
-    public class ISupplierRepository
-    {
-    }
 }

AB.Domain/Repositories/IUnitOfWork.cs

@@ -1,12 +1,6 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
+namespace AB.Domain.Repositories;
 
-namespace AB.Domain.Repositories
+public interface IUnitOfWork
 {
-    public class IUnitOfWork
-    {
-    }
+    public Task<int> SaveChangesAsync(CancellationToken cancellationToken);
 }

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);
+    }
+}

AB.Services.Abstractions/ICustomerService.cs

@@ -5,13 +5,12 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace AB.Services.Abstractions
+namespace AB.Services.Abstractions;
+
+public interface ICustomerService
 {
-    public interface ICustomerService
-    {
-        Task<CustomerDto> CreateAsync(CustomerForCreationDto customerForCreation);
-        Task DeleteAsync(Guid customerId, CancellationToken cancellationToken);
-        Task<IEnumerable<CustomerDto>> GetAllAsync(CancellationToken cancellationToken);
-        Task<CustomerDto> GetByIdAsync(Guid customerId, CancellationToken cancellationToken);
-    }
+    Task<CustomerDto> CreateAsync(CustomerForCreationDto customerForCreation, CancellationToken cancellationToken = default);
+    Task DeleteAsync(Guid customerId, CancellationToken cancellationToken);
+    Task<IEnumerable<CustomerDto>> GetAllAsync(CancellationToken cancellationToken);
+    Task<CustomerDto> GetByIdAsync(Guid customerId, CancellationToken cancellationToken);
 }

AB.Services.Abstractions/ISupplierService.cs

@@ -0,0 +1,11 @@
+using AB.Contracts;
+
+namespace AB.Services.Abstractions;
+
+public interface ISupplierService
+{
+    Task<SupplierDto> CreateAsync(SupplierForCreationDto supplierForCreation);
+    Task DeleteAsync(Guid supplierId, CancellationToken cancellationToken);
+    Task<IEnumerable<SupplierDto>> GetAllAsync(CancellationToken cancellationToken);
+    Task<SupplierDto> GetSupplierByIdAsync(Guid supplierId, CancellationToken cancellationToken);
+}

AB.Services/AB.Services.csproj

@@ -7,6 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <ProjectReference Include="..\AB.Domain\AB.Domain.csproj" />
     <ProjectReference Include="..\AB.Services.Abstractions\AB.Services.Abstractions.csproj" />
   </ItemGroup>
 

AB.Services/CustomerService.cs

@@ -1,15 +1,99 @@
 using AB.Contracts;
+using AB.Domain.Entities;
+using AB.Domain.Exceptions;
+using AB.Domain.Repositories;
 using AB.Services.Abstractions;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
-namespace AB.Services
+namespace AB.Services;
+
+public class CustomerService : ICustomerService
 {
-    internal class CustomerService : ICustomerService
+
+    private readonly ICustomerRepository _customerRepository;
+
+    private readonly IUnitOfWork _unitOfWork;
+
+    public CustomerService(ICustomerRepository customerRepository, IUnitOfWork unitOfWork)
+    {
+        _customerRepository = customerRepository;
+        _unitOfWork = unitOfWork;
+    }
+
+    public async Task<CustomerDto> CreateAsync(CustomerForCreationDto customerForCreation, CancellationToken cancellationToken = default)
     {
 
+
+        var customer = new Customer
+        {
+            Salutation = customerForCreation.Salutaion,
+            Name1 = customerForCreation.Name1,
+            Name2 = (customerForCreation.Name2 is null) ? string.Empty : customerForCreation.Name2,
+            Email = (customerForCreation.Email is null) ? string.Empty : customerForCreation.Email,
+            PhoneNumber = (customerForCreation.PhoneNumber is null) ? string.Empty : customerForCreation.PhoneNumber,
+            Iban = (customerForCreation.Iban is null) ? string.Empty : customerForCreation.Iban,
+        };
+
+        _customerRepository.Insert(customer);
+
+        await _unitOfWork.SaveChangesAsync(cancellationToken);
+
+        var customerDto = ConvertToCustomerDto(customer);
+
+        return customerDto;
+    }
+
+    public async Task DeleteAsync(Guid customerId, CancellationToken cancellationToken)
+    {
+        var customer = await _customerRepository.GetByIdAsync(customerId, cancellationToken);
+
+        if (customer == null)
+        {
+            throw new BusinessPartnerNotFoundException(customerId);
+        }
+
+        _customerRepository.Remove(customer);
+
+        await _unitOfWork.SaveChangesAsync(cancellationToken);
+    }
+
+    public async Task<IEnumerable<CustomerDto>> GetAllAsync(CancellationToken cancellationToken)
+    {
+        var customers = await _customerRepository.GetAllAsync(cancellationToken);
+
+        var customerDtoList = customers.Select(customer =>
+        {
+            return ConvertToCustomerDto(customer);
+        });
+
+        return customerDtoList;
+    }
+
+    public async Task<CustomerDto> GetByIdAsync(Guid customerId, CancellationToken cancellationToken)
+    {
+        var customer = await _customerRepository.GetByIdAsync(customerId, cancellationToken);
+
+        if (customer is null)
+        {
+            throw new BusinessPartnerNotFoundException(customerId);
+        }
+
+        var customerDto = ConvertToCustomerDto(customer);
+
+        return customerDto;
+    }
+
+    private static CustomerDto ConvertToCustomerDto(Customer customer)
+    {
+        var customerDto = new CustomerDto
+        {
+            Id = customer.CustomerId,
+            Salutaion = customer.Salutation,
+            Name1 = customer.Name1,
+            Name2 = customer.Name2,
+            Email = customer.Email,
+            PhoneNumber = customer.PhoneNumber,
+            Iban = customer.Iban,
+        };
+        return customerDto;
     }
 }