38 lines
1.3 KiB
C#
38 lines
1.3 KiB
C#
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using MediatR;
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using Microsoft.EntityFrameworkCore;
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using Mirea.Api.DataAccess.Application.Common.Exceptions;
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using Mirea.Api.DataAccess.Application.Interfaces.DbContexts.Schedule;
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using System.Threading;
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using System.Threading.Tasks;
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namespace Mirea.Api.DataAccess.Application.Cqrs.Day.Commands.CreateDay;
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public class CreateDayCommandHandler(IDayDbContext dbContext) : IRequestHandler<CreateDayCommand, int>
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{
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public async Task<int> Handle(CreateDayCommand request, CancellationToken cancellationToken)
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{
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var entity = await dbContext.Days
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.FirstOrDefaultAsync(d =>
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d.LessonId == request.LessonId
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&& d.PairNumber == request.PairNumber
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&& d.GroupId == request.GroupId
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&& d.Index == request.Index,
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cancellationToken: cancellationToken);
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if (entity != null)
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throw new RecordExistException(typeof(Domain.Schedule.Day), entity.Id);
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var day = new Domain.Schedule.Day()
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{
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Index = request.Index,
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PairNumber = request.PairNumber,
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GroupId = request.GroupId,
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LessonId = request.LessonId
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};
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var result = await dbContext.Days.AddAsync(day, cancellationToken);
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await dbContext.SaveChangesAsync(cancellationToken);
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return result.Entity.Id;
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}
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}
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