97 lines
2.9 KiB
C#
97 lines
2.9 KiB
C#
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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 TaskTrackerContracts.BindingModels;
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using TaskTrackerContracts.BusinessLogicsContracts;
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using TaskTrackerContracts.SearchModels;
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using TaskTrackerContracts.StoragesContracts;
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using TaskTrackerContracts.ViewModels;
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namespace TaskTrackerBusinessLogics.BusinessLogic
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{
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public class ProjectLogic : IProjectLogic
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{
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private readonly IProjectStorage _projectStorage;
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public ProjectLogic(IProjectStorage projectStorage)
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{
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_projectStorage = projectStorage;
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}
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public List<ProjectViewModel>? ReadList(ProjectSearchModel? model)
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{
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var list = model == null ? _projectStorage.GetFullList() : _projectStorage.GetFilteredList(model);
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if (list == null)
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{
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return null;
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}
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return list;
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}
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public ProjectViewModel? ReadElement(ProjectSearchModel 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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var element = _projectStorage.GetElement(model);
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if (element == null)
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{
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return null;
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}
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return element;
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}
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public bool Create(ProjectBindingModel model)
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{
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CheckModel(model);
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if (_projectStorage.Insert(model) == null)
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{
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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 Update(ProjectBindingModel model)
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{
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CheckModel(model);
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if (_projectStorage.Update(model) == null)
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{
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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(ProjectBindingModel model)
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{
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CheckModel(model, false);
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if (_projectStorage.Delete(model) == null)
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{
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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(ProjectBindingModel model, bool withParams =
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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.ProjectName))
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{
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throw new ArgumentNullException("Нет названия",
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nameof(model.ProjectName));
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}
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var element = _projectStorage.GetElement(new ProjectSearchModel
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{
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ProjectName = model.ProjectName
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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("Проект 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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