public static T InsertOrUpdate <T>(this FawDataContext context, T entity, object key) where T : class, new()
{
var dbSet = context.Set <T>();
var dbEntity = dbSet.Find(key);
if (dbEntity == null)
{
dbEntity = dbSet.Create();
dbSet.Add(dbEntity);
}
context.Entry(dbEntity).CurrentValues.SetValues(entity);
return(dbEntity);
}
public static T GetDetachedCopy <T>(this FawDataContext context, T entity) where T : class
{
var proxyCreationEnabled = context.Configuration.ProxyCreationEnabled;
try
{
context.Configuration.ProxyCreationEnabled = false;
var poco = context.Entry(entity).CurrentValues.ToObject() as T;
return(poco);
}
finally
{
context.Configuration.ProxyCreationEnabled = proxyCreationEnabled;
}
}
public static T Clone <T>(this FawDataContext context, T entity, bool?makeProxy = null) where T : class
{
var proxyCreationEnabled = context.Configuration.ProxyCreationEnabled;
try
{
context.Configuration.ProxyCreationEnabled = makeProxy ?? IsProxy(entity);
var clone = context.Set <T>().Create();
var entry = context.Entry(clone);
entry.State = EntityState.Added;
entry.CurrentValues.SetValues(entity);
entry.State = EntityState.Detached;
return(clone);
}
finally
{
context.Configuration.ProxyCreationEnabled = proxyCreationEnabled;
}
}