FirmTracker-Server/nHIbernate/Products/ProductCRUD.cs

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/*
* This file is part of FirmTracker - Server.
*
* FirmTracker - Server is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* FirmTracker - Server is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with FirmTracker - Server. If not, see <https://www.gnu.org/licenses/>.
*/
using FirmTracker_Server.nHibernate;
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using FirmTracker_Server.nHibernate.Products;
using NHibernate;
using System.Collections.Generic;
using Microsoft.AspNetCore.OpenApi;
using Microsoft.AspNetCore.Http.HttpResults;
using System.Security.Cryptography.X509Certificates;
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namespace FirmTracker_Server.nHibernate.Products
{
public class ProductCRUD
{
public void AddProduct(Product product)
{
using (var session = SessionFactory.OpenSession())
using (var transaction = session.BeginTransaction())
{
try
{
session.Save(product);
transaction.Commit();
}
catch
{
transaction.Rollback();
throw;
}
}
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}
public decimal GetProductPrice(int productId)
{
using (var session = SessionFactory.OpenSession())
{
var product = session.Query<Product>()
.Where(p => p.Id == productId)
.Select(p => p.Price)
.FirstOrDefault();
return product;
}
}
public int GetProductType(int productId)
{
using (var session = SessionFactory.OpenSession())
{
var product = session.Query<Product>()
.Where(p => p.Id == productId)
.Select(p => p.Type)
.FirstOrDefault();
return product;
}
}
public int GetProductAvailability(int productId)
{
using(var session = SessionFactory.OpenSession())
{
var product = session.Query<Product>()
.Where(p => p.Id == productId)
.Select(p => p.Availability)
.FirstOrDefault();
return product;
}
}
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public Product GetProduct(int productId)
{
using (var session = SessionFactory.OpenSession())
{
return session.Get<Product>(productId);
}
}
public Product GetProductByName(string productName)
{
using (var session = SessionFactory.OpenSession())
{
var query = session.CreateQuery("from Product where Name = :name");
query.SetParameter("name", productName);
return query.UniqueResult<Product>();
}
}
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public void UpdateProduct(Product product)
{
using (var session = SessionFactory.OpenSession())
using (var transaction = session.BeginTransaction())
{
try
{
session.Update(product);
transaction.Commit();
}
catch
{
transaction.Rollback();
throw;
}
}
}
public void DeleteProduct(int productId)
{
using (var session = SessionFactory.OpenSession())
using (var transaction = session.BeginTransaction())
{
try
{
var product = session.Get<Product>(productId);
if (product != null)
{
session.Delete(product);
transaction.Commit();
}
}
catch
{
transaction.Rollback();
throw;
}
}
}
public IList<Product> GetAllProducts()
{
using (var session = SessionFactory.OpenSession())
{
return session.Query<Product>().ToList();
}
}
}
}