123 lines
4.4 KiB
C#
123 lines
4.4 KiB
C#
using CarServiceContracts.BindingModels;
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using CarServiceContracts.BusinessLogicsContracts;
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using CarServiceContracts.SearchModels;
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using CarServiceContracts.StorageContracts;
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using CarServiceContracts.ViewModels;
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using Microsoft.Extensions.Logging;
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namespace CarServiceBusinessLogic.BusinessLogics
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{
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public class ItemForRepairLogic : IItemForRepairLogic
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{
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private readonly ILogger _logger;
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private readonly IItemForRepairStorage _itemForRepairStorage;
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private readonly IItemStorage _itemStorage;
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public ItemForRepairLogic(ILogger<ItemForRepairLogic> logger, IItemForRepairStorage itemForRepairStorage, IItemStorage itemStorage)
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{
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_logger = logger;
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_itemForRepairStorage = itemForRepairStorage;
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_itemStorage = itemStorage;
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}
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public List<ItemForRepairViewModel>? ReadList(ItemForRepairSearchModel? model)
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{
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_logger.LogInformation("ReadList. Id: {Id}", model?.Id);
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var list = model == null ? _itemForRepairStorage.GetFullList() : _itemForRepairStorage.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 ItemForRepairViewModel? ReadElement(ItemForRepairSearchModel 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. Id: {Id}", model.Id);
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var element = _itemForRepairStorage.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 found. Id: {Id}", element.Id);
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return element;
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}
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public bool Create(ItemForRepairBindingModel model)
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{
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CheckModel(model);
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//При добавлении привязки уменьшаем количество нужной статьи затрат
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var item = _itemStorage.GetElement(new() { Id = model.ItemId });
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if (_itemStorage.UpdateCount(item, -model.Count) == null)
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{
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_logger.LogWarning("Insert operation failed while updating count");
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return false;
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}
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if (_itemForRepairStorage.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 Update(ItemForRepairBindingModel model)
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{
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CheckModel(model);
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//Возвращаем нужное количество старых статей затрат на склад
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var oldItem = _itemStorage.GetElement(new() { Id = (_itemForRepairStorage.GetElement(new() { Id = model.ItemId })?.ItemId ?? -1) });
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if (_itemStorage.UpdateCount(oldItem, model.Count) == null)
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{
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_logger.LogWarning("Insert operation failed while returning old intem on storage");
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return false;
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}
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//Списываем новую статью затрат со склада в новом количестве
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var newItem = _itemStorage.GetElement(new() { Id = model.ItemId });
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if (_itemStorage.UpdateCount(newItem, -model.Count) == null)
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{
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_logger.LogWarning("Insert operation failed while updating count");
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return false;
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}
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if (_itemForRepairStorage.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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public bool Delete(ItemForRepairBindingModel 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 (_itemForRepairStorage.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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private void CheckModel(ItemForRepairBindingModel 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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//Получаем текущее число статей затрат выбранного вида на складе
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int currentItemOnStorage = _itemStorage.GetElement(new() { Id = model.ItemId })?.Count ?? -1;
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//Если на складе осталось статей затрат выбранного вида меньше, чем нужно на заявку, отменяем добавление привязки
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if (currentItemOnStorage < model.Count)
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{
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_logger.LogWarning("Not enough items {Id} on storage", model.ItemId);
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throw new ArgumentException("На складе не хватает запчастей");
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}
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_logger.LogInformation("ItemForRepair. Id: {Id}", model.Id);
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}
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}
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}
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