CourseWork_KPO/CandidateReviewDatabaseImplement/Implements/CriterionStorage.cs

79 lines
2.8 KiB
C#
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using CandidateReviewContracts.BindingModels;
using CandidateReviewContracts.SearchModels;
using CandidateReviewContracts.StoragesContracts;
using CandidateReviewContracts.ViewModels;
using CandidateReviewDatabaseImplement.Models;
namespace CandidateReviewDatabaseImplement.Implements
{
public class CriterionStorage : ICriterionStorage
{
public List<CriterionViewModel> GetFullList()
{
using var context = new CandidateReviewDatabase();
return context.Criterions
.Select(x => x.GetViewModel)
.ToList();
}
public List<CriterionViewModel> GetFilteredList(CriterionSearchModel model)
{
if (string.IsNullOrEmpty(model.Name))
{
return new();
}
using var context = new CandidateReviewDatabase();
return context.Criterions
.Where(x => x.Name.Contains(model.Name))
.Select(x => x.GetViewModel)
.ToList();
}
public CriterionViewModel? GetElement(CriterionSearchModel model)
{
if (string.IsNullOrEmpty(model.Name) && !model.Id.HasValue)
{
return null;
}
using var context = new CandidateReviewDatabase();
return context.Criterions
.FirstOrDefault(x => (!string.IsNullOrEmpty(model.Name) && x.Name == model.Name) || (model.Id.HasValue && x.Id == model.Id))
?.GetViewModel;
}
public CriterionViewModel? Insert(CriterionBindingModel model)
{
var newCriterion = Criterion.Create(model);
if (newCriterion == null)
{
return null;
}
using var context = new CandidateReviewDatabase();
context.Criterions.Add(newCriterion);
context.SaveChanges();
return newCriterion.GetViewModel;
}
public CriterionViewModel? Update(CriterionBindingModel model)
{
using var context = new CandidateReviewDatabase();
var criterion = context.Criterions.FirstOrDefault(x => x.Id == model.Id);
if (criterion == null)
{
return null;
}
criterion.Update(model);
context.SaveChanges();
return criterion.GetViewModel;
}
public CriterionViewModel? Delete(CriterionBindingModel model)
{
using var context = new CandidateReviewDatabase();
var element = context.Criterions.FirstOrDefault(rec => rec.Id == model.Id);
if (element != null)
{
context.Criterions.Remove(element);
context.SaveChanges();
return element.GetViewModel;
}
return null;
}
}
}