75 lines
2.5 KiB
C#
75 lines
2.5 KiB
C#
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using DinerContracts.BindingModels;
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using DinerContracts.SearchModels;
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using DinerContracts.StoragesContracts;
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using DinerContracts.ViewModels;
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using DinerFileImplement.Models;
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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 DinerFileImplement.Implements
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{
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public class SnackStorage : ISnackStorage
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{
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private readonly DataFileSingleton _source;
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public SnackStorage()
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{
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_source = DataFileSingleton.GetInstance();
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}
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public SnackViewModel? Delete(SnackBindingModel model)
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{
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var element = _source.Snacks.FirstOrDefault(x => x.ID == model.ID);
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if (element != null) {
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_source.Snacks.Remove(element);
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_source.SaveSnacks();
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return element.GetViewModel;
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}
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return null;
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}
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public SnackViewModel? GetElement(SnackSearchModel model)
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{
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if (string.IsNullOrEmpty(model.ProductName) && !model.ID.HasValue) { return null; }
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return _source.Snacks
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.FirstOrDefault(x => (!string.IsNullOrEmpty(model.ProductName) &&
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x.ProductName == model.ProductName) || model.ID.HasValue &&
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x.ID == model.ID)?.GetViewModel;
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}
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public List<SnackViewModel> GetFilteredList(SnackSearchModel model)
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{
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if (string.IsNullOrEmpty(model.ProductName)) { return new(); }
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return _source.Snacks.Where(x => x.ProductName.Contains(model.ProductName))
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.Select(x => x.GetViewModel).ToList();
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}
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public List<SnackViewModel> GetFullList()
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{
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return _source.Snacks.Select(x => x.GetViewModel).ToList();
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}
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public SnackViewModel? Insert(SnackBindingModel model)
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{
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model.ID = _source.Snacks.Count > 0 ? _source.Snacks.Max(x => x.ID) + 1 : 1;
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var newProduct = Snack.Create(model);
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if (newProduct == null) { return null; }
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_source.Snacks.Add(newProduct);
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_source.SaveSnacks();
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return newProduct.GetViewModel;
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}
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public SnackViewModel? Update(SnackBindingModel model)
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{
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var product = _source.Snacks.FirstOrDefault(x => x.ID == model.ID);
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if (product == null) { return null; }
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product.Update(model);
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_source.SaveSnacks();
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return product.GetViewModel;
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}
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}
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}
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