/// <summary>
/// Get list of Entiy paging
/// </summary>
/// <typeparam name="TEntity"></typeparam>
/// <param name="page"></param>
/// <param name="order"></param>
/// <param name="predicate"></param>
/// <param name="pageSize"></param>
/// <returns></returns>
public IEnumerable <TEntity> Get <TEntity>(int page, Expression <Func <TEntity, string> > order, Expression <Func <TEntity, bool> > predicate = null, int pageSize = 1000) where TEntity : class
{
try
{
using (Context = new InFreshContext())
{
int skipRows = 0;
DbSet <TEntity> set = Context.Set <TEntity>();
skipRows = page > 1 ? page * pageSize : 0;
var query = set.Where(predicate)
.OrderBy(order)
.Skip(skipRows).Take(pageSize)
.GroupBy(p => new { Total = set.Count() })
.FirstOrDefault();
return(query.Select(p => p));
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
return(null);
}
/// <summary>
///
/// </summary>
/// <typeparam name="TEntity"></typeparam>
/// <param name="predicate"></param>
/// <returns></returns>
public IEnumerable <TEntity> Get <TEntity>(Expression <Func <TEntity, bool> > predicate)
where TEntity : class
{
try
{
Context = new InFreshContext();
DbSet <TEntity> set = Context.Set <TEntity>();
if (predicate == null)
{
return(set.AsEnumerable());
}
else
{
return(set.Where(predicate).AsEnumerable());
}
}
catch
{
return(null);
}
}
/// <summary>
///
/// </summary>
/// <param name="context"></param>
public UnitOfWork(InFreshContext context)
{
//Context = context;
}
/// <summary>
///
/// </summary>
/// <typeparam name="TEntity"></typeparam>
/// <param name="t"></param>
/// <returns></returns>
public string Delete <TEntity>(TEntity t = null) where TEntity : class
{
int TResult = -1;
InFreshContext context = null;
try
{
using (context = new InFreshContext())
{
DbSet <TEntity> set = context.Set <TEntity>();
//if (context.Entry(t).State == EntityState.Detached)
// set.Attach(t);
var obj = set.Remove(set.Find(t));
if (obj.Equals(t))
{
TResult = 0;
}
else
{
TResult = 1;
}
if (TResult == 0)
{
context.SaveChanges();
}
}
}
catch (Exception ex)
{
TResult = -1;
var oc = ((IObjectContextAdapter)context).ObjectContext;
var objectStateEntries = oc.ObjectStateManager
.GetObjectStateEntries(EntityState.Added);
foreach (var objectStateEntry in objectStateEntries)
{
oc.Detach(objectStateEntry.Entity);
}
StringBuilder sb = new StringBuilder();
if (ex.GetType() == typeof(DbEntityValidationException))
{
DbEntityValidationException dbex = ex as DbEntityValidationException;
foreach (var failure in dbex.EntityValidationErrors)
{
sb.AppendFormat("{0} failed validation\n", failure.Entry.Entity.GetType());
foreach (var error in failure.ValidationErrors)
{
sb.AppendFormat("- {0} : {1}", error.PropertyName, error.ErrorMessage);
sb.AppendLine();
}
}
//sb.AppendFormat("- {0} : {1}", error.PropertyName, error.ErrorMessage);
throw new DbEntityValidationException(
"Entity Validation Failed - errors follow:\n" +
sb.ToString(), ex
);
}
else
{
if (ex.InnerException.InnerException != null)
{
sb.Append(ex.InnerException.InnerException.Message);
}
else
{
sb.Append(ex.Message);
}
throw new Exception(sb.ToString(), ex);
}
}
return(TResult.ToString());
}
/// <summary>
///
/// </summary>
/// <typeparam name="TEntity"></typeparam>
/// <param name="predicate"></param>
/// <returns></returns>
public IEnumerable <TEntity> Get <TEntity>(Expression <Func <TEntity, bool> > predicate = null) where TEntity : class
{
IEnumerable <TEntity> data = null;
InFreshContext context = new InFreshContext();
try
{
DbSet <TEntity> set = context.Set <TEntity>();
if (predicate == null)
{
data = set.AsEnumerable();
}
else
{
data = set.Where(predicate).AsEnumerable();
}
return(data);
}
catch (Exception ex)
{
var oc = ((IObjectContextAdapter)context).ObjectContext;
var objectStateEntries = oc.ObjectStateManager
.GetObjectStateEntries(EntityState.Added | EntityState.Deleted | EntityState.Modified | EntityState.Unchanged);
foreach (var objectStateEntry in objectStateEntries)
{
oc.Detach(objectStateEntry.Entity);
}
StringBuilder sb = new StringBuilder();
if (ex.GetType() == typeof(DbEntityValidationException))
{
DbEntityValidationException dbex = ex as DbEntityValidationException;
foreach (var failure in dbex.EntityValidationErrors)
{
sb.AppendFormat("{0} failed validation\n", failure.Entry.Entity.GetType());
foreach (var error in failure.ValidationErrors)
{
sb.AppendFormat("- {0} : {1}", error.PropertyName, error.ErrorMessage);
sb.AppendLine();
}
}
//sb.AppendFormat("- {0} : {1}", error.PropertyName, error.ErrorMessage);
throw new DbEntityValidationException(
"Entity Validation Failed - errors follow:\n" +
sb.ToString(), ex
);
}
else
{
if (ex.InnerException.InnerException != null)
{
sb.Append(ex.InnerException.InnerException.Message);
}
else
{
sb.Append(ex.Message);
}
throw new Exception(sb.ToString(), ex);
}
}
finally
{
//context.Dispose();
context = null;
//GC.SuppressFinalize(this);
}
//return null;
}
