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SistemaEscolar: ServicioBaseDatos.cs
using System;
using System.Threading.Tasks;
using System.Collections.Generic;
using Microsoft.EntityFrameworkCore;
using SistemaEscolar.Datos;
namespace SistemaEscolar.Servicios
{
public class ServicioBaseDatos<T> : IServicioBaseDatos<T> where T : class
{
BaseDatos bd;
public ServicioBaseDatos()
{
bd = App.BD;
}
public virtual async Task<List<T>> ObtenerTabla()
{
return await bd.Set<T>().ToListAsync();
}
public virtual async Task<T> BuscarPorId(int id)
{
return await bd.Set<T>().FindAsync(id);
}
public virtual async Task<T> Agregar(T dato)
{
await bd.Set<T>().AddAsync(dato);
await bd.SaveChangesAsync();
return dato;
}
public virtual async Task<T> Actualizar(T dato)
{
bd.Set<T>().Update(dato);
await bd.SaveChangesAsync();
return dato;
}
public virtual async Task<bool> Eliminar(int id)
{
var entity = await BuscarPorId(id);
bd.Set<T>().Remove(entity);
await bd.SaveChangesAsync();
return true;
}
}
}
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