119 lines
4.3 KiB
C#
119 lines
4.3 KiB
C#
using Microsoft.Extensions.Logging;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using UniversityContracts.BindingModels;
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using UniversityContracts.BusinessLogicsContracts;
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using UniversityContracts.SearchModels;
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using UniversityContracts.StorageContracts;
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using UniversityContracts.ViewModels;
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using UniversityDataModels.Enums;
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namespace UniversityBusinessLogic.BusinessLogics
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{
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public class AttestationLogic : IAttestationLogic
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{
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private readonly ILogger _logger;
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private readonly IAttestationStorage _attestationStorage;
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public AttestationLogic(ILogger<AttestationLogic> logger, IAttestationStorage
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attestationStorage)
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{
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_logger = logger;
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_attestationStorage = attestationStorage;
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}
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public List<AttestationViewModel>? ReadList(AttestationSearchModel? model)
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{
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_logger.LogInformation("ReadList.AttestationId:{Id} ",
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model?.Id);
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var list = model == null ? _attestationStorage.GetFullList() :
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_attestationStorage.GetFilteredList(model);
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if (list == null)
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{
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_logger.LogWarning("ReadList return null list");
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return null;
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}
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_logger.LogInformation("ReadList. Count:{Count}", list.Count);
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return list;
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}
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public AttestationViewModel? ReadElement(AttestationSearchModel model)
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{
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if (model == null)
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{
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throw new ArgumentNullException(nameof(model));
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}
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_logger.LogInformation("ReadElement.Id:{Id}",
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model.Id);
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var element = _attestationStorage.GetElement(model);
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if (element == null)
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{
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_logger.LogWarning("ReadElement element not found");
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return null;
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}
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_logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
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return element;
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}
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public bool CreateAttestation(AttestationBindingModel model)
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{
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CheckModel(model);
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if (_attestationStorage.Insert(model) == null)
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{
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_logger.LogWarning("Insert operation failed");
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return false;
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}
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return true;
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}
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public bool DeleteAttestation(AttestationBindingModel model)
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{
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CheckModel(model, false);
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_logger.LogInformation("Delete. Id:{Id}", model.Id);
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if (_attestationStorage.Delete(model) == null)
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{
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_logger.LogWarning("Delete attestation operation failed");
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return false;
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}
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return true;
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}
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public bool UpdateAttestation(AttestationBindingModel model)
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{
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CheckModel(model, false);
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_logger.LogInformation("Update. Id:{Id}", model.Id);
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if (_attestationStorage.Update(model) == null)
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{
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_logger.LogWarning("Update attestation operation failed");
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return false;
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}
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return true;
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}
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private void CheckModel(AttestationBindingModel model, bool withParams = true)
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{
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if (model == null)
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{
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throw new ArgumentNullException(nameof(model));
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}
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if (!withParams)
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{
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return;
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}
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if (string.IsNullOrEmpty(model.FormOfEvaluation))
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{
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throw new ArgumentNullException("Не выбрана форма оценивания", nameof(model.FormOfEvaluation));
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}
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if (model.UserId < 0)
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{
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throw new ArgumentNullException("Некорректный идентификатор пользователя", nameof(model.UserId));
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}
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if (model.StudentId <= 0)
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{
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throw new ArgumentNullException("Некорректный идентификатор студента", nameof(model.StudentId));
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}
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_logger.LogInformation("Attestation. AttestationId:{Id}.FormOfEvaluation:{FormOfEvaluation}. StudentId: {StudentId}. UserId: {UserId}",
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model.Id, model.FormOfEvaluation, model.StudentId, model.UserId);
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}
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}
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}
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