public static async Task <EntityEntry> RefreshAsync(this EntityEntry tracking, RefreshConflict refreshMode)
{
switch (refreshMode)
{
case RefreshConflict.StoreWins:
{
await tracking.ReloadAsync();
break;
}
case RefreshConflict.ClientWins:
{
PropertyValues databaseValues = await tracking.GetDatabaseValuesAsync();
if (databaseValues == null)
{
tracking.State = EntityState.Detached;
}
else
{
tracking.OriginalValues.SetValues(databaseValues);
}
break;
}
case RefreshConflict.MergeClientAndStore:
{
PropertyValues databaseValues = await tracking.GetDatabaseValuesAsync();
if (databaseValues == null)
{
tracking.State = EntityState.Detached;
}
else
{
PropertyValues originalValues = tracking.OriginalValues.Clone();
#if !EF
originalValues.SetValues(tracking.OriginalValues);
#endif
tracking.OriginalValues.SetValues(databaseValues);
#if EF
databaseValues.PropertyNames
.Where(property => !object.Equals(originalValues[property], databaseValues[property]))
.ForEach(property => tracking.Property(property).IsModified = false);
#else
databaseValues.Properties
.Where(property => !object.Equals(originalValues[property.Name], databaseValues[property.Name]))
.ForEach(property => tracking.Property(property.Name).IsModified = false);
#endif
}
break;
}
}
return(tracking);
}
/// <summary>
/// Gets or sets the value of the property with the specified property name.
/// The value may be a nested instance of this class.
/// </summary>
/// <param name="propertyName"> The property name. </param>
/// <value> The value of the property. </value>
public object this[string propertyName]
{
get
{
Check.NotEmpty(propertyName, "propertyName");
var value = _internalValues[propertyName];
var asValues = value as InternalPropertyValues;
if (asValues != null)
{
value = new DbPropertyValues(asValues);
}
return(value);
}
set
{
Check.NotEmpty(propertyName, "propertyName");
_internalValues[propertyName] = value;
}
}
/// <summary>
/// Sets the values of this dictionary by reading values from another dictionary.
/// The other dictionary must be based on the same type as this dictionary, or a type derived
/// from the type for this dictionary.
/// </summary>
/// <param name="propertyValues"> The dictionary to read values from. </param>
public void SetValues(DbPropertyValues propertyValues)
{
Check.NotNull(propertyValues, "propertyValues");
_internalValues.SetValues(propertyValues._internalValues);
}
/// <summary>
/// Sets the values of this dictionary by reading values from another dictionary.
/// The other dictionary must be based on the same type as this dictionary, or a type derived
/// from the type for this dictionary.
/// </summary>
/// <param name="propertyValues"> The dictionary to read values from. </param>
public void SetValues(DbPropertyValues propertyValues)
{
Check.NotNull <DbPropertyValues>(propertyValues, nameof(propertyValues));
this._internalValues.SetValues(propertyValues._internalValues);
}
internal void WriteAudit(SADFMEntities context, Guid lastUpdateAccountId)
{
if (!context.ChangeTracker.HasChanges())
{
return;
}
var allChanges = context.ChangeTracker.Entries();
foreach (DbEntityEntry ee in allChanges)
{
if (ee.State == System.Data.Entity.EntityState.Unchanged)
{
continue;
}
if (ee.State == System.Data.Entity.EntityState.Deleted)
{
//Deletes should be tracked by the parent object or status change
continue;
}
ObjectContext ox = ((IObjectContextAdapter)context).ObjectContext;
ObjectStateEntry ose = ox.ObjectStateManager.GetObjectStateEntry(ee.Entity);
Guid pkid = Guid.Empty;
if (ose.EntityKey.EntityKeyValues != null)
{
EntityKeyMember member = ose.EntityKey.EntityKeyValues[0];
pkid = (Guid)member.Value;
}
bool added = ee.State == System.Data.Entity.EntityState.Added;
string tableName = ose.EntitySet.Name;
System.Data.Entity.Infrastructure.DbPropertyValues original = null;
if (!added)
{
original = ee.OriginalValues;
}
System.Data.Entity.Infrastructure.DbPropertyValues current = null;
if (ee.State != System.Data.Entity.EntityState.Deleted)
{
current = ee.CurrentValues;
}
foreach (string property in current.PropertyNames)
{
object originalValue = original == null ? null : original.GetValue <object>(property);
object currentValue = current == null ? null : current.GetValue <object>(property);
if (originalValue == null && currentValue == null)
{
continue;
}
if (originalValue == null || currentValue == null || originalValue.ToString() != currentValue.ToString())
{
context.Audits.Add(new Data.Audit
{
TableName = tableName,
ChangeTypeId = DataAccess.ListItem.GetListItem("ChangeType", added ? "Insert" : "Update").GUID,
AccountId = lastUpdateAccountId,
FieldName = property,
OldValue = originalValue == null ? null : originalValue.ToString().Substring(0, originalValue.ToString().Length > 1000 ? 1000 : originalValue.ToString().Length),
NewValue = currentValue == null ? null : currentValue.ToString().Substring(0, currentValue.ToString().Length > 1000 ? 1000 : currentValue.ToString().Length),
PrimaryKeyId = pkid,
UpdateDate = DateTime.Now
});
}
}
}
}
