73 lines
2.6 KiB
C#
73 lines
2.6 KiB
C#
using FoodOrdersContracts.BindingModels;
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using FoodOrdersContracts.SearchModels;
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using FoodOrdersContracts.StoragesContracts;
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using FoodOrdersContracts.ViewModels;
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using FoodOrdersFileImplement.Models;
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namespace FoodOrdersFileImplement.Implements
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{
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public class ClientStorage : IClientStorage
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{
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private readonly DataFileSingleton _source;
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public ClientStorage()
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{
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_source = DataFileSingleton.GetInstance();
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}
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public List<ClientViewModel> GetFullList()
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{
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return _source.Clients.Select(x => x.GetViewModel).ToList();
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}
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public List<ClientViewModel> GetFilteredList(ClientSearchModel model)
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{
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if (string.IsNullOrEmpty(model.Email))
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{
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return new();
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}
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return _source.Clients.Where(x => x.Email.Contains(model.Email)).Select(x => x.GetViewModel).ToList();
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}
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//FirstOrDefault выбирается первый или ничего, то есть вернёт первое совпадение или null
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public ClientViewModel? GetElement(ClientSearchModel model)
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{
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if (string.IsNullOrEmpty(model.Email) && !model.Id.HasValue)
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{
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return null;
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}
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return _source.Clients.FirstOrDefault(x => (!string.IsNullOrEmpty(model.Email) && x.Email == model.Email) || (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
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}
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public ClientViewModel? Insert(ClientBindingModel model)
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{
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model.Id = _source.Clients.Count > 0 ? _source.Clients.Max(x => x.Id) + 1 : 1;
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var newClient = Client.Create(model);
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if (newClient == null)
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{
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return null;
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}
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_source.Clients.Add(newClient);
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_source.SaveClients();
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return newClient.GetViewModel;
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}
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public ClientViewModel? Update(ClientBindingModel model)
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{
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var component = _source.Clients.FirstOrDefault(x => x.Id == model.Id);
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if (component == null)
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{
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return null;
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}
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component.Update(model);
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_source.SaveClients();
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return component.GetViewModel;
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}
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public ClientViewModel? Delete(ClientBindingModel model)
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{
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var element = _source.Clients.FirstOrDefault(x => x.Id == model.Id);
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if (element != null)
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{
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_source.Clients.Remove(element);
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_source.SaveClients();
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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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}
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} |