Files
TakeoutSaaS.TenantApi/src/Application/TakeoutSaaS.Application/App/Finance/Cost/Handlers/SaveFinanceCostEntryCommandHandler.cs

67 lines
2.5 KiB
C#

using MediatR;
using TakeoutSaaS.Application.App.Finance.Cost.Commands;
using TakeoutSaaS.Application.App.Finance.Cost.Dto;
using TakeoutSaaS.Domain.Finance.Models;
using TakeoutSaaS.Domain.Finance.Repositories;
using TakeoutSaaS.Shared.Abstractions.Tenancy;
namespace TakeoutSaaS.Application.App.Finance.Cost.Handlers;
/// <summary>
/// 成本录入保存处理器。
/// </summary>
public sealed class SaveFinanceCostEntryCommandHandler(
IFinanceCostRepository financeCostRepository,
ITenantProvider tenantProvider)
: IRequestHandler<SaveFinanceCostEntryCommand, FinanceCostEntryDto>
{
/// <inheritdoc />
public async Task<FinanceCostEntryDto> Handle(
SaveFinanceCostEntryCommand request,
CancellationToken cancellationToken)
{
// 1. 归一化入参并组装仓储快照模型。
var tenantId = tenantProvider.GetCurrentTenantId();
var normalizedMonth = FinanceCostMapping.NormalizeMonthStart(request.CostMonth);
var categories = request.Categories.Select(category => new FinanceCostCategorySnapshot
{
Category = category.Category,
TotalAmount = FinanceCostMapping.RoundAmount(category.TotalAmount),
Items = (category.Items ?? [])
.Select(item => new FinanceCostDetailItemSnapshot
{
ItemId = item.ItemId,
ItemName = item.ItemName,
Amount = FinanceCostMapping.RoundAmount(item.Amount),
Quantity = item.Quantity.HasValue
? FinanceCostMapping.RoundAmount(item.Quantity.Value)
: null,
UnitPrice = item.UnitPrice.HasValue
? FinanceCostMapping.RoundAmount(item.UnitPrice.Value)
: null,
SortOrder = item.SortOrder
})
.ToList()
}).ToList();
// 2. 持久化保存并重新查询最新快照。
await financeCostRepository.SaveMonthSnapshotAsync(
tenantId,
request.Dimension,
request.StoreId,
normalizedMonth,
categories,
cancellationToken);
var snapshot = await financeCostRepository.GetMonthSnapshotAsync(
tenantId,
request.Dimension,
request.StoreId,
normalizedMonth,
cancellationToken);
// 3. 映射为页面 DTO 返回。
return FinanceCostMapping.ToEntryDto(snapshot);
}
}