104 lines
2.9 KiB
C#
104 lines
2.9 KiB
C#
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 DirectionLogic : IDirectionLogic
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{
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private readonly IDirectionStorage _directionStorage;
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public DirectionLogic(IDirectionStorage directionStorage)
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{
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_directionStorage = directionStorage;
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}
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public List<DirectionViewModel>? ReadList(DirectionSearchModel? model)
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{
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var list = model == null ? _directionStorage.GetFullList() : _directionStorage.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 DirectionViewModel? ReadElement(DirectionSearchModel 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 = _directionStorage.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(DirectionBindingModel model)
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{
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CheckModel(model);
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if (_directionStorage.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(DirectionBindingModel model)
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{
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CheckModel(model);
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if (_directionStorage.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(DirectionBindingModel model)
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{
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CheckModel(model, false);
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if (_directionStorage.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(DirectionBindingModel 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", nameof(model.Name));
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}
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var element = _directionStorage.GetElement(new DirectionSearchModel
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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("Организация 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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