implemnet customer master used for both B2B and B2C.

This commit is contained in:
2026-07-27 14:17:00 +05:30
committed by ImanThiyanga
parent 76484c7268
commit ffbd47f6f9
10 changed files with 800 additions and 0 deletions
+168
View File
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using ERPCore.Common.Http;
using ERPCore.Domain.Entities;
using ERPCore.Domain.Enums;
using ERPCore.Dtos.Common;
using ERPCore.Dtos.Customers;
using ERPCore.Infra.UoW;
using ERPCore.Repositories.Interfaces;
using ERPCore.Services.Interfaces;
using ERPCore.System.Errors;
using Microsoft.EntityFrameworkCore;
namespace ERPCore.Services;
public sealed class CustomerService : ICustomerService
{
private readonly IRepository<Customer> _customers;
private readonly IRepository<Warehouse> _warehouses;
private readonly IUnitOfWork _uow;
public CustomerService(IRepository<Customer> customers, IRepository<Warehouse> warehouses, IUnitOfWork uow)
{
_customers = customers;
_warehouses = warehouses;
_uow = uow;
}
public async Task<PagedResponse<CustomerDto>> ListAsync(PageQuery query, EntityStatus? status, CustomerType? customerType, CancellationToken ct = default)
{
var q = _customers.Query().AsNoTracking();
if (!string.IsNullOrWhiteSpace(query.Q))
{
var term = query.Q.Trim();
q = q.Where(c => EF.Functions.ILike(c.Name, $"%{term}%")
|| EF.Functions.ILike(c.CustomerCode, $"%{term}%")
|| (c.DisplayName != null && EF.Functions.ILike(c.DisplayName, $"%{term}%")));
}
if (status is not null) q = q.Where(c => c.Status == status);
if (customerType is not null) q = q.Where(c => c.CustomerType == customerType);
var total = await q.CountAsync(ct);
var rows = await q.OrderBy(c => c.Name)
.Skip(query.Skip).Take(query.PageSize)
.Select(c => new CustomerDto(
c.CustomerId, c.CustomerCode, c.CustomerType, c.Name, c.DisplayName, c.Phone, c.Email,
c.AddressLine1, c.AddressLine2, c.City, c.Country, c.TaxRegistrationNo,
c.CreditLimit, c.CreditDays, c.DefaultWarehouseId, c.Status, c.CreatedAt, c.UpdatedAt))
.ToListAsync(ct);
return PagedResponse<CustomerDto>.Create(rows, query.Page, query.PageSize, total);
}
public async Task<ETagged<CustomerDto>?> GetAsync(int customerId, CancellationToken ct = default)
{
var customer = await _customers.Query().AsNoTracking()
.FirstOrDefaultAsync(c => c.CustomerId == customerId, ct);
return customer is null ? null : new ETagged<CustomerDto>(Map(customer), customer.RowVersion);
}
public async Task<ETagged<CustomerDto>> CreateAsync(CreateCustomerRequest request, CancellationToken ct = default)
{
var code = request.CustomerCode.Trim();
var name = request.Name.Trim();
if (await _customers.Query().AnyAsync(c => c.CustomerCode.ToLower() == code.ToLower(), ct))
throw new ConflictException($"A customer code '{code}' already exists.");
if (!string.IsNullOrWhiteSpace(request.Email))
{
var email = request.Email.Trim();
if (await _customers.Query().AnyAsync(c => c.Email != null && c.Email.ToLower() == email.ToLower(), ct))
throw new ConflictException($"A customer with email '{email}' already exists.");
}
if (request.DefaultWarehouseId is not null)
{
var exists = await _warehouses.Query().AnyAsync(w => w.WarehouseId == request.DefaultWarehouseId, ct);
if (!exists) throw new NotFoundException($"Warehouse {request.DefaultWarehouseId} was not found.");
}
var customer = new Customer
{
CustomerCode = code,
CustomerType = request.CustomerType,
Name = name,
DisplayName = Normalize(request.DisplayName),
Phone = Normalize(request.Phone),
Email = Normalize(request.Email),
AddressLine1 = Normalize(request.AddressLine1),
AddressLine2 = Normalize(request.AddressLine2),
City = Normalize(request.City),
Country = Normalize(request.Country),
TaxRegistrationNo = Normalize(request.TaxRegistrationNo),
CreditLimit = request.CreditLimit,
CreditDays = request.CreditDays,
DefaultWarehouseId = request.DefaultWarehouseId,
Status = EntityStatus.Active,
CreatedAt = DateTime.UtcNow
};
await _customers.AddAsync(customer, ct);
await _uow.SaveChangesAsync(ct);
return new ETagged<CustomerDto>(Map(customer), customer.RowVersion);
}
public async Task<ETagged<CustomerDto>> UpdateAsync(int customerId, UpdateCustomerRequest request, uint expectedRowVersion, CancellationToken ct = default)
{
var customer = await _customers.GetByIdAsync(customerId, ct)
?? throw new NotFoundException($"Customer {customerId} was not found.");
if (customer.RowVersion != expectedRowVersion)
throw new DomainException(ErrorCodes.ConcurrencyConflict, "The customer was modified by another request.", 412);
var code = request.CustomerCode.Trim();
var name = request.Name.Trim();
if (!string.Equals(customer.CustomerCode, code, StringComparison.Ordinal)
&& await _customers.Query().AnyAsync(c => c.CustomerCode.ToLower() == code.ToLower() && c.CustomerId != customerId, ct))
throw new ConflictException($"A customer code '{code}' already exists.");
if (!string.Equals(customer.Email, request.Email?.Trim(), StringComparison.OrdinalIgnoreCase)
&& !string.IsNullOrWhiteSpace(request.Email)
&& await _customers.Query().AnyAsync(c => c.Email != null && c.Email.ToLower() == request.Email!.Trim().ToLower() && c.CustomerId != customerId, ct))
throw new ConflictException($"A customer with email '{request.Email.Trim()}' already exists.");
if (request.DefaultWarehouseId is not null)
{
var exists = await _warehouses.Query().AnyAsync(w => w.WarehouseId == request.DefaultWarehouseId, ct);
if (!exists) throw new NotFoundException($"Warehouse {request.DefaultWarehouseId} was not found.");
}
customer.CustomerCode = code;
customer.CustomerType = request.CustomerType;
customer.Name = name;
customer.DisplayName = Normalize(request.DisplayName);
customer.Phone = Normalize(request.Phone);
customer.Email = Normalize(request.Email);
customer.AddressLine1 = Normalize(request.AddressLine1);
customer.AddressLine2 = Normalize(request.AddressLine2);
customer.City = Normalize(request.City);
customer.Country = Normalize(request.Country);
customer.TaxRegistrationNo = Normalize(request.TaxRegistrationNo);
customer.CreditLimit = request.CreditLimit;
customer.CreditDays = request.CreditDays;
customer.DefaultWarehouseId = request.DefaultWarehouseId;
customer.UpdatedAt = DateTime.UtcNow;
await _uow.SaveChangesAsync(ct);
return new ETagged<CustomerDto>(Map(customer), customer.RowVersion);
}
public async Task SetStatusAsync(int customerId, EntityStatus status, CancellationToken ct = default)
{
var customer = await _customers.GetByIdAsync(customerId, ct)
?? throw new NotFoundException($"Customer {customerId} was not found.");
customer.Status = status;
customer.UpdatedAt = DateTime.UtcNow;
await _uow.SaveChangesAsync(ct);
}
private static CustomerDto Map(Customer c) => new(
c.CustomerId, c.CustomerCode, c.CustomerType, c.Name, c.DisplayName, c.Phone, c.Email,
c.AddressLine1, c.AddressLine2, c.City, c.Country, c.TaxRegistrationNo,
c.CreditLimit, c.CreditDays, c.DefaultWarehouseId, c.Status, c.CreatedAt, c.UpdatedAt);
private static string? Normalize(string? value) => string.IsNullOrWhiteSpace(value) ? null : value.Trim();
}
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using ERPCore.Common.Http;
using ERPCore.Dtos.Common;
using ERPCore.Dtos.Customers;
using ERPCore.Domain.Enums;
namespace ERPCore.Services.Interfaces;
public interface ICustomerService
{
Task<PagedResponse<CustomerDto>> ListAsync(PageQuery query, EntityStatus? status, CustomerType? customerType, CancellationToken ct = default);
Task<ETagged<CustomerDto>?> GetAsync(int customerId, CancellationToken ct = default);
Task<ETagged<CustomerDto>> CreateAsync(CreateCustomerRequest request, CancellationToken ct = default);
Task<ETagged<CustomerDto>> UpdateAsync(int customerId, UpdateCustomerRequest request, uint expectedRowVersion, CancellationToken ct = default);
Task SetStatusAsync(int customerId, EntityStatus status, CancellationToken ct = default);
}