78 lines
2.6 KiB
C#
78 lines
2.6 KiB
C#
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using ComputerHardwareStoreContracts.BindingModels;
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using ComputerHardwareStoreContracts.SearchModels;
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using ComputerHardwareStoreContracts.StorageContracts;
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using ComputerHardwareStoreContracts.ViewModels;
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using ComputerHardwareStoreDatabaseImplement.Models;
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namespace ComputerHardwareStoreDatabaseImplement.Implements
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{
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public class CommentStorage : ICommentStorage
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{
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public List<CommentViewModel> GetFullList()
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{
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using var context = new ComputerHardwareStoreDBContext();
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return context.Comments
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.Select(x => x.GetViewModel)
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.ToList();
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}
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public List<CommentViewModel> GetFilteredList(CommentSearchModel model)
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{
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using var context = new ComputerHardwareStoreDBContext();
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return context.Comments
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.Select(x => x.GetViewModel)
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.ToList();
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}
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public CommentViewModel? GetElement(CommentSearchModel model)
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{
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if (!model.Id.HasValue)
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{
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return null;
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}
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using var context = new ComputerHardwareStoreDBContext();
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return context.Comments
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.FirstOrDefault(x => x.Id == model.Id)
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?.GetViewModel;
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}
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public CommentViewModel? Insert(CommentBindingModel model)
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{
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using var context = new ComputerHardwareStoreDBContext();
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var newComment = Comment.Create(model);
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if (newComment == null)
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{
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return null;
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}
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context.Comments.Add(newComment);
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context.SaveChanges();
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return newComment.GetViewModel;
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}
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public CommentViewModel? Update(CommentBindingModel model)
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{
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using var context = new ComputerHardwareStoreDBContext();
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var element = context.Comments.FirstOrDefault(x => x.Id == model.Id);
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if (element == null)
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{
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return null;
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}
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element.Update(model);
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context.SaveChanges();
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return element.GetViewModel;
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}
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public CommentViewModel? Delete(CommentBindingModel model)
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{
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using var context = new ComputerHardwareStoreDBContext();
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var element = context.Comments.FirstOrDefault(rec => rec.Id == model.Id);
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if (element != null)
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{
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context.Comments.Remove(element);
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context.SaveChanges();
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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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