107 lines
2.9 KiB
C#
107 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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using TaskTrackerDataModels.Enums;
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namespace TaskTrackerBusinessLogics.BusinessLogic
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{
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public class TaskLogic : ITaskLogic
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{
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private readonly ITaskStorage _taskStorage;
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public TaskLogic(ITaskStorage taskStorage)
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{
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_taskStorage = taskStorage;
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}
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public bool CreateTask(TaskBindingModel model)
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{
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CheckModel(model);
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if (model.Status != MyTaskStatus.Неизвестен)
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{
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return false;
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}
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model.Status = MyTaskStatus.Новый;
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if (_taskStorage.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 List<TaskViewModel>? ReadList(TaskSearchModel? model)
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{
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var list = model == null ? _taskStorage.GetFullList() : _taskStorage.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 bool TakeTaskInWork(TaskBindingModel model)
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{
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return ChangeStatus(model, MyTaskStatus.Выполняется);
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}
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public bool FinishTask(TaskBindingModel model)
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{
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return ChangeStatus(model, MyTaskStatus.Готово);
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}
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public bool DeliveryTask(TaskBindingModel model)
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{
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return ChangeStatus(model, MyTaskStatus.Проверено);
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}
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private void CheckModel(TaskBindingModel 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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}
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private bool ChangeStatus(TaskBindingModel model, MyTaskStatus newStatus)
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{
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CheckModel(model, false);
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var task = _taskStorage.GetElement(new TaskSearchModel { Id = model.Id });
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if (task == null)
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{
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return false;
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}
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if (task.Status + 1 != newStatus)
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{
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return false;
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}
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model.Status = newStatus;
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if (model.Status == MyTaskStatus.Готово)
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{
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model.DateImplement = DateTime.Now;
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}
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else
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{
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model.DateImplement = task.DateImplement;
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}
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if (_taskStorage.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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}
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}
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