33 lines
1.2 KiB
C#
33 lines
1.2 KiB
C#
using MediatR;
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using Modules.Rating.Api.Repositories;
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namespace Modules.Rating.Api.Querirs;
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public class ObjectRatingQuery : IRequest<Models.Vote?>
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{
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public Guid ObjectId { get; set; } = default!;
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public Guid? SubjectId { get; set; }
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}
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public class ObjectRatingQueryHandler(RatingRepository repository) : IRequestHandler<ObjectRatingQuery, Models.Vote?>
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{
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public async Task<Models.Vote?> Handle(ObjectRatingQuery request, CancellationToken cancellationToken)
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{
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var rate = await repository.GetAverageObjectRating(request.ObjectId);
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var subjectRate = request.SubjectId.HasValue
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? await repository.GetFirstOrDefaultWhere(q => q.ObjectId == request.ObjectId &&
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q.SubjectId == (request.SubjectId.HasValue ? request.SubjectId.Value : q.SubjectId))
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: null;
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return rate.HasValue
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? new Models.Vote
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{
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ObjectId = request.ObjectId,
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//SubjectId = request.SubjectId,
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ObjectRatePercentage = (ushort)Math.Round((decimal)rate, 0),
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SubjectRatePercentage = subjectRate?.RatingPercentage,
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}
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: null;
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}
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} |