86 lines
2.7 KiB
C#
86 lines
2.7 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 TravelCompanyContracts.BindingModels;
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using TravelCompanyContracts.SearchModels;
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using TravelCompanyContracts.StoragesContracts;
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using TravelCompanyContracts.ViewModels;
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using TravelCompanyFileImplement.Models;
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namespace TravelCompanyFileImplement.Implements
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{
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public class TravelStorage : ITravelStorage
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{
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private readonly DataFileSingleton _source;
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public TravelStorage()
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{
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_source = DataFileSingleton.GetInstance();
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}
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public List<TravelViewModel> GetFullList()
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{
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return _source.Travels
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.Select(x => x.GetViewModel)
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.ToList();
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}
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public List<TravelViewModel> GetFilteredList(TravelSearchModel model)
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{
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if (string.IsNullOrEmpty(model.TravelName))
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{
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return new();
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}
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return _source.Travels
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.Where(x => x.TravelName.Contains(model.TravelName))
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.Select(x => x.GetViewModel)
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.ToList();
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}
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public TravelViewModel? GetElement(TravelSearchModel model)
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{
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if (string.IsNullOrEmpty(model.TravelName) && !model.Id.HasValue)
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{
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return null;
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}
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return _source.Travels
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.FirstOrDefault(x => (x.TravelName == model.TravelName && !string.IsNullOrEmpty(model.TravelName) ) ||
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(model.Id.HasValue && x.Id == model.Id))
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?.GetViewModel;
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}
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public TravelViewModel? Insert(TravelBindingModel model)
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{
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model.Id = _source.Travels.Count > 0 ? _source.Travels.Max(x => x.Id) + 1 : 1;
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var newTravel = Travel.Create(model);
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if (newTravel == null)
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{
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return null;
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}
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_source.Travels.Add(newTravel);
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_source.SaveTravels();
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return newTravel.GetViewModel;
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}
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public TravelViewModel? Update(TravelBindingModel model)
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{
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var travel = _source.Travels.FirstOrDefault(x => x.Id == model.Id);
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if (travel == null)
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{
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return null;
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}
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travel.Update(model);
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_source.SaveTravels();
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return travel.GetViewModel;
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}
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public TravelViewModel? Delete(TravelBindingModel model)
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{
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var element = _source.Travels.FirstOrDefault(x => x.Id == model.Id);
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if (element != null)
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{
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_source.Travels.Remove(element);
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_source.SaveTravels();
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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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}
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