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EfEntityRepositoryBase.cs
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EfEntityRepositoryBase.cs
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using CarRental.Core.Entities;
using Microsoft.EntityFrameworkCore;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
namespace CarRental.Core.DataAccess.EntityFramework
{
public class EfEntityRepositoryBase<TEntity, TContext> : IEntityRepository<TEntity>
where TEntity : class, IEntity, new()
where TContext : DbContext, new()
{
public void Add(TEntity entity)
{
using (TContext context = new TContext())
{
var addedEntity = context.Entry(entity);
addedEntity.State = EntityState.Added;
context.SaveChanges();
}
}
public bool Any(Expression<Func<TEntity, bool>> filter = null)
{
using (TContext context = new TContext())
{
return filter == null
? context.Set<TEntity>().Any()
: context.Set<TEntity>().Any(filter);
}
}
public int Count(Expression<Func<TEntity, bool>> filter = null)
{
using (TContext context = new TContext())
{
return filter == null
? context.Set<TEntity>().Count()
: context.Set<TEntity>().Count(filter);
}
}
public void Delete(TEntity entity)
{
using (TContext context = new TContext())
{
var deletedEntity = context.Entry(entity);
deletedEntity.State = EntityState.Deleted;
context.SaveChanges();
}
}
public TEntity Get(Expression<Func<TEntity, bool>> filter)
{
using (TContext context = new TContext())
{
return context.Set<TEntity>().SingleOrDefault(filter);
}
}
public TEntity Get(Expression<Func<TEntity, bool>> filter, params Expression<Func<TEntity, object>>[] includes)
{
using (TContext context = new TContext())
{
IQueryable<TEntity> query = (IQueryable<TEntity>)context.Set<TEntity>().SingleOrDefault(filter);
if (includes.Any())
{
foreach (var include in includes)
{
query = query.Include(include);
}
}
return query.SingleOrDefault();
}
}
public List<TEntity> GetAll(Expression<Func<TEntity, bool>> filter = null)
{
using (TContext context = new TContext())
{
return filter == null
? context.Set<TEntity>().ToList()
: context.Set<TEntity>().Where(filter).ToList();
}
}
public List<TEntity> GetAll(Expression<Func<TEntity, bool>> filter = null, params Expression<Func<TEntity, object>>[] includes)
{
using (TContext context = new TContext())
{
IQueryable<TEntity> query = context.Set<TEntity>();
if (filter != null)
{
query = query.Where(filter);
}
if (includes.Any())
{
foreach (var include in includes)
{
query = query.Include(include);
}
}
return query.ToList();
}
}
public void Update(TEntity entity)
{
using (TContext context = new TContext())
{
var updatedEntity = context.Entry(entity);
updatedEntity.State = EntityState.Modified;
context.SaveChanges();
}
}
}
}