SistemaEscolar: ServicioBaseDatos.cs
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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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