118 lines
4.0 KiB
C#
118 lines
4.0 KiB
C#
using UniversityContracts.BindingModels;
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using UniversityContracts.BuisnessLogicContracts;
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using UniversityContracts.SearchModels;
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using UniversityContracts.StoragesContracts;
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using UniversityContracts.ViewModels;
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using Microsoft.Extensions.Logging;
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namespace UniversityBuisnessLogic
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{
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public class DisciplineLogic : IDisciplineLogic
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{
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private readonly ILogger _logger;
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private readonly IDisciplineStorage _disciplineStorage;
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public DisciplineLogic(ILogger<DisciplineLogic> logger, IDisciplineStorage disciplineStorage)
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{
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_logger = logger;
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_disciplineStorage = disciplineStorage;
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}
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public bool Create(DisciplineBindingModel model)
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{
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CheckModel(model);
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if (_disciplineStorage.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 Delete(DisciplineBindingModel 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 (_disciplineStorage.Delete(model) == null)
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{
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_logger.LogWarning("Delete 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 DisciplineViewModel? ReadElement(DisciplineSearchModel 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. DisciplineName:{Name}. Id:{Id}", model.Name, model.Id);
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var element = _disciplineStorage.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 List<DisciplineViewModel>? ReadList(DisciplineSearchModel? model)
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{
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_logger.LogInformation("ReadList. DisciplineName: {Name}. Id:{Id}", model?.Name, model?.Id);
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var list = model == null ? _disciplineStorage.GetFullList() : _disciplineStorage.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 bool Update(DisciplineBindingModel model)
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{
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CheckModel(model);
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if (_disciplineStorage.Update(model) == null)
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{
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_logger.LogWarning("Update 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(DisciplineBindingModel 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.Name))
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{
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throw new ArgumentNullException("Нет названия дисциплины", nameof(model.Name));
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}
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if (string.IsNullOrEmpty(model.Department))
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{
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throw new ArgumentNullException("Нет названия кафедры", nameof(model.Name));
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}
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_logger.LogInformation("Discipline. Name:{Name}. Department:{Department}. Id: {Id}", model.Name, model.Department, model.Id);
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var element = _disciplineStorage.GetElement(new DisciplineSearchModel
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{
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Name = model.Name
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});
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if (element != null && element.Id != model.Id)
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{
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throw new InvalidOperationException("Дисциплина с таким названием уже есть");
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}
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}
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}
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}
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