77 lines
1.8 KiB
C#
77 lines
1.8 KiB
C#
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using Contracts.BindingModels;
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using Contracts.BusinessLogicContracts;
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using Contracts.StorageContracts;
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using Contracts.ViewModels;
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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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namespace BusinessLogic
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{
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public class ProductLogic : IProductLogic
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{
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private readonly IProductStorage _ProductStorage;
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public ProductLogic(IProductStorage ProductStorage)
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{
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_ProductStorage = ProductStorage;
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}
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public void CreateOrUpdate(ProductBindingModel model)
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{
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var element = _ProductStorage.GetElement(
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new ProductBindingModel
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{
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DeliveryDate = model.DeliveryDate,
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Name = model.Name,
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Manufacturers = model.Manufacturers,
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Image = model.Image
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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 Exception("Клиент с таким именем уже существует");
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}
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if (model.Id.HasValue)
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{
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_ProductStorage.Update(model);
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}
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else
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{
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_ProductStorage.Insert(model);
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}
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}
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public void Delete(ProductBindingModel model)
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{
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var element = _ProductStorage.GetElement(new ProductBindingModel { Id = model.Id });
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if (element == null)
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{
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throw new Exception("Клиент не найден");
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}
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_ProductStorage.Delete(model);
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}
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public List<ProductViewModel> Read(ProductBindingModel model)
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{
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if (model == null)
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{
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return _ProductStorage.GetFullList();
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}
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if (model.Id.HasValue)
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{
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return new List<ProductViewModel> { _ProductStorage.GetElement(model) };
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}
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return _ProductStorage.GetFilteredList(model);
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}
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public List<(int, double)> GetWordInfo()
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{
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var data = _ProductStorage.GetProductCountByManufacturer();
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return data
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.Select((g, index) => (Index: index + 1, Value: (double)g.Count))
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.ToList();
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}
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}
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}
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