Khwezi Mngoma
33 lines
1.3 KiB
C#
33 lines
1.3 KiB
C#
using LiteCharms.Extensions;
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using LiteCharms.Infrastructure.Database;
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using LiteCharms.Models;
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namespace LiteCharms.Features.Products.Queries.Handlers;
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public class GetProductPriceQueryHandler(IDbContextFactory<ShopDbContext> contextFactory) : IRequestHandler<GetProductPriceQuery, Result<ProductPrice>>
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{
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public async ValueTask<Result<ProductPrice>> Handle(GetProductPriceQuery request, CancellationToken cancellationToken)
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{
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try
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{
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using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
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if(!await context.Products.AnyAsync(p => p.Id == request.ProductId, cancellationToken))
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return Result.Fail<ProductPrice>(new Error($"Product {request.ProductId} not found."));
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var productPrice = await context.ProductPrices.AsNoTracking()
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.Where(pp => pp.ProductId == request.ProductId && pp.Active)
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.OrderByDescending(pp => pp.CreatedAt)
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.FirstOrDefaultAsync(cancellationToken);
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return productPrice is not null
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? Result.Ok(productPrice.ToModel())
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: Result.Fail<ProductPrice>(new Error($"Product price {request.ProductId} not found."));
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}
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catch (Exception ex)
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{
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return Result.Fail<ProductPrice>(new Error(ex.Message).CausedBy(ex));
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}
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}
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}
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