using HospitalContracts.BindingModels; using HospitalContracts.BusinessLogicsContracts; using HospitalContracts.SearchModels; using HospitalContracts.StoragesContracts; using HospitalContracts.ViewModels; using Microsoft.Extensions.Logging; using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace HospitalBusinessLogics.BusinessLogics { /// /// Бизнес-логика для сущности "Болезнь" /// public class DiseaseLogic : IDiseaseLogic { /// /// Логгер /// private readonly ILogger _logger; /// /// Хранилище /// private readonly IDiseaseStorage _diseaseStorage; /// /// Конструктор /// /// /// public DiseaseLogic(ILogger logger, IDiseaseStorage diseaseStorage) { _logger = logger; _diseaseStorage = diseaseStorage; } /// /// Получить список /// /// /// public List? ReadList(DiseaseSearchModel? model) { _logger.LogInformation("ReadList. Disease.Id: {Id}. RecipeId: {RecipeId}. Name: {Name}", model?.Id, model?.RecipeId, model?.Name); var list = model == null ? _diseaseStorage.GetFullList() : _diseaseStorage.GetFilteredList(model); if (list == null) { _logger.LogWarning("ReadList. Returned null list"); return null; } _logger.LogInformation("ReadList. Count: {Count}", list.Count); return list; } /// /// Получить отдельную запись /// /// /// /// public DiseaseViewModel? ReadElement(DiseaseSearchModel model) { if (model == null) { throw new ArgumentNullException(nameof(model)); } _logger.LogInformation("ReadElement. Disease.Id: {Id}. Name: {Name}", model?.Id, model?.Name); var element = _diseaseStorage.GetElement(model!); if (element == null) { _logger.LogWarning("ReadElement. Element not found"); return null; } _logger.LogInformation("ReadElement. Find Disease.Id: {Id}", element?.Id); return element; } /// /// Создать запись /// /// /// public bool Create(DiseaseBindingModel model) { CheckModel(model); _logger.LogInformation("Create. Disease.Id: {Id}", model.Id); if (_diseaseStorage.Insert(model) == null) { _logger.LogWarning("Insert operation failed"); return false; } return true; } /// /// Изменить запись /// /// /// public bool Update(DiseaseBindingModel model) { CheckModel(model); _logger.LogInformation("Update. Disease.Id: {Id}", model.Id); if (_diseaseStorage.Update(model) == null) { _logger.LogWarning("Update operation failed"); return false; } return true; } /// /// Удалить запись /// /// /// public bool Delete(DiseaseBindingModel model) { CheckModel(model, false); _logger.LogInformation("Delete. Disease.Id: {Id}", model.Id); if (_diseaseStorage.Delete(model) == null) { _logger.LogWarning("Delete operation failed"); return false; } return true; } /// /// Проверка модели /// /// /// /// /// private void CheckModel(DiseaseBindingModel model, bool withParams = true) { if (model == null) { throw new ArgumentNullException(nameof(model)); } if (!withParams) { return; } if (string.IsNullOrEmpty(model.Name)) { throw new ArgumentNullException("Не указано название болезни", nameof(model.Name)); } if (model.RecipeId <= 0) { throw new ArgumentNullException("Не указан идентификатор рецепта", nameof(model.RecipeId)); } _logger.LogInformation("CheckModel. Disease.Id: {Id}", model.Id); var element = _diseaseStorage.GetElement(new DiseaseSearchModel { Name = model.Name }); if (element != null && !element.Id.Equals(model.Id)) { throw new InvalidOperationException("Болезнь с таким названием уже существует"); } } } }