PyroFetes-Sujet1/PyroFetes/Endpoints/Product/GetProductEndpoint.cs

using API.DTO.Product.Request;
using API.DTO.Product.Response;
using FastEndpoints;
using Microsoft.EntityFrameworkCore;
using PyroFetes.Models;

namespace PyroFetes.Endpoints.Product;

public class GetProductRequest
{
    public int Id { get; set; }
}

public class GetProductEndpoint(PyroFetesDbContext db)
    : Endpoint<GetProductRequest, GetProductDto>
{
    public override void Configure()
    {
        Get("/api/products/{@id}", x => new { x.Id });
        AllowAnonymous();
    }

    public override async Task HandleAsync(GetProductRequest req, CancellationToken ct)
    {
        // Inclure toutes les relations : Prices + WarehouseProducts + Warehouse
        var product = await db.Products
            .Include(p => p.Prices)
            .Include(p => p.WarehouseProducts)
                .ThenInclude(wp => wp.Warehouse)
            .SingleOrDefaultAsync(p => p.Id == req.Id, ct);

        if (product == null)
        {
            Console.WriteLine($"Aucun produit avec l'ID {req.Id} trouvé.");
            await Send.NotFoundAsync(ct);
            return;
        }

        var responseDto = new GetProductDto
        {
            Id = product.Id,
            Reference = product.References,
            Name = product.Name,
            Duration = product.Duration,
            Caliber = product.Caliber,
            ApprovalNumber = product.ApprovalNumber,
            Weight = product.Weight,
            Nec = product.Nec,
            SellingPrice = product.SellingPrice,
            Image = product.Image,
            Link = product.Link,
            ClassificationId = product.ClassificationId,
            ProductCategoryId = product.ProductCategoryId,

            // Fournisseurs liés via Price
            Suppliers = product.Prices.Select(pr => new ProductSupplierPriceDto
            {
                SupplierId = pr.SupplierId,
                SellingPrice = pr.SellingPrice
            }).ToList(),

            // Entrepôts liés via WarehouseProduct
            Warehouses = product.WarehouseProducts.Select(wp => new GetProductWarehouseDto
            {
                WarehouseId = wp.WarehouseId,
                WarehouseName = wp.Warehouse?.Name ?? string.Empty,
                Quantity = wp.Quantity
            }).ToList()
        };

        await Send.OkAsync(responseDto, ct);
    }
}