public bool IsAuditedEntity(EntityEntry entry)
#endif
{
if (ExcludeIncludeEntityPredicates.Count == 0)
{
return true;
}
var type = entry.Entity.GetType();
var key = type.FullName;
bool value;
if (!IsAuditedDictionary.TryGetValue(key, out value))
{
value = true;
foreach (var excludeIncludeEntityFunc in ExcludeIncludeEntityPredicates)
{
var maybeIncluded = excludeIncludeEntityFunc(entry.Entity);
if (maybeIncluded.HasValue)
{
value = maybeIncluded.Value;
}
}
IsAuditedDictionary.TryAdd(key, value);
}
return value;
}
public bool IsAuditedProperty(EntityEntry entry, string propertyName)
#endif
{
if (ExcludeIncludePropertyPredicates.Count == 0)
{
return true;
}
var type = entry.Entity.GetType();
var key = string.Concat(type.FullName, ";", propertyName);
bool value;
if (!IsAuditedDictionary.TryGetValue(key, out value))
{
value = true;
foreach (var excludeIncludePropertyFuncs in ExcludeIncludePropertyPredicates)
{
var maybeIncluded = excludeIncludePropertyFuncs(entry.Entity, propertyName);
if (maybeIncluded.HasValue)
{
value = maybeIncluded.Value;
}
}
IsAuditedDictionary.TryAdd(key, value);
}
return value;
}
public void Can_get_property_entry_by_name()
{
var stateEntryMock = CreateStateEntryMock();
var entry = new EntityEntry<Random>(stateEntryMock.Object);
Assert.Equal("Monkey", entry.Property("Monkey").Name);
}
private static KeyValuePair<string, string> BuildKeyRepresentation(EntityEntry entityEntry, string seperator)
{
var keyProperties = entityEntry.Metadata.GetProperties().Where(x => x.IsPrimaryKey()).ToList();
if (keyProperties == null)
throw new ArgumentException("No key found in");
var keyPropertyEntries =
keyProperties.Select(keyProperty => entityEntry.Property(keyProperty.Name)).ToList();
var keyNameString = new StringBuilder();
foreach (var keyProperty in keyProperties)
{
keyNameString.Append(keyProperty.Name);
keyNameString.Append(seperator);
}
keyNameString.Remove(keyNameString.Length - 1, 1);
var keyValueString = new StringBuilder();
foreach (var keyPropertyEntry in keyPropertyEntries)
{
keyValueString.Append(keyPropertyEntry.CurrentValue);
keyValueString.Append(seperator);
}
keyValueString.Remove(keyValueString.Length - 1, 1);
var key = keyNameString.ToString();
var value = keyValueString.ToString();
return new KeyValuePair<string, string>(key, value);
}
public void Members_check_arguments()
{
Assert.Equal(
"stateEntry",
// ReSharper disable once AssignNullToNotNullAttribute
Assert.Throws<ArgumentNullException>(() => new EntityEntry(null)).ParamName);
Assert.Equal(
"stateEntry",
// ReSharper disable once AssignNullToNotNullAttribute
Assert.Throws<ArgumentNullException>(() => new EntityEntry<Random>(null)).ParamName);
var entry = new EntityEntry(new Mock<StateEntry>().Object);
Assert.Equal(
Strings.FormatArgumentIsEmpty("propertyName"),
Assert.Throws<ArgumentException>(() => entry.Property("")).Message);
var genericEntry = new EntityEntry<Random>(new Mock<StateEntry>().Object);
Assert.Equal(
"propertyExpression",
// ReSharper disable once AssignNullToNotNullAttribute
Assert.Throws<ArgumentNullException>(() => genericEntry.Property((Expression<Func<Random, int>>)null)).ParamName);
}
private static IEnumerable<AuditLog> GetAuditLogs(EntityEntry entityEntry, string userName, EntityState entityState)
{
var returnValue = new List<AuditLog>();
var keyRepresentation = BuildKeyRepresentation(entityEntry, KeySeperator);
var auditedPropertyNames =
entityEntry.Entity.GetType()
.GetProperties().Where(p => !p.GetCustomAttributes(typeof (DoNotAudit), true).Any())
.Select(info => info.Name);
foreach (var propertyEntry in entityEntry.Metadata.GetProperties()
.Where(x => auditedPropertyNames.Contains(x.Name))
.Select(property => entityEntry.Property(property.Name)))
{
if(entityState == EntityState.Modified)
if (Convert.ToString(propertyEntry.OriginalValue) == Convert.ToString(propertyEntry.CurrentValue)) //Values are the same, don't log
continue;
returnValue.Add(new AuditLog
{
KeyNames = keyRepresentation.Key,
KeyValues = keyRepresentation.Value,
OriginalValue = entityState != EntityState.Added
? Convert.ToString(propertyEntry.OriginalValue)
: null,
NewValue = entityState == EntityState.Modified || entityState == EntityState.Added
? Convert.ToString(propertyEntry.CurrentValue)
: null,
ColumnName = propertyEntry.Metadata.Name,
EventDateTime = DateTime.Now,
EventType = entityState.ToString(),
UserName = userName,
TableName = entityEntry.Entity.GetType().Name
});
}
return returnValue;
}
public static void AuditEntityAdded(Audit audit, EntityEntry objectStateEntry)
#endif
{
var entry = new AuditEntry(audit, objectStateEntry)
{
State = AuditEntryState.EntityAdded
};
// CHECK if the key should be resolved in POST Action
#if EF5 || EF6
if (objectStateEntry.EntityKey.IsTemporary)
{
entry.DelayedKey = objectStateEntry;
}
AuditEntityAdded(entry, objectStateEntry.CurrentValues);
#elif EF7
// TODO: We must check if the key IsTemporary! We can maybe use flag...
//if (!objectStateEntry.IsKeySet)
//{
entry.DelayedKey = objectStateEntry;
//}
AuditEntityAdded(entry, objectStateEntry);
#endif
audit.Entries.Add(entry);
}
/// <summary>Audit entity deleted.</summary>
/// <param name="objectStateEntry">The object state entry.</param>
public static void AuditEntityDeleted(AuditEntry entry, EntityEntry objectStateEntry)
{
foreach (var propertyEntry in objectStateEntry.Metadata.GetProperties())
{
var property = objectStateEntry.Property(propertyEntry.Name);
if (entry.Parent.CurrentOrDefaultConfiguration.IsAuditedProperty(entry.Entry, propertyEntry.Name))
{
entry.Properties.Add(new AuditEntryProperty(entry, propertyEntry.Name, property.OriginalValue, null));
}
}
}
public static void AuditEntityDeleted(Audit audit, EntityEntry objectStateEntry)
#endif
{
var entry = new AuditEntry(audit, objectStateEntry)
{
State = AuditEntryState.EntityDeleted
};
#if EF5 || EF6
AuditEntityDeleted(entry, objectStateEntry.OriginalValues);
#elif EFCORE
AuditEntityDeleted(entry, objectStateEntry);
#endif
audit.Entries.Add(entry);
}
private static IEnumerable<CustomAuditLog> GetAuditLogs(EntityEntry entityEntry, string userName, EntityState entityState)
{
var returnValue = new List<CustomAuditLog>();
// var keyRepresentation = BuildKeyRepresentation(entityEntry, KeySeperator);
DateTime RightNow = DateTime.Now;
Guid AuditBatchID;
UuidCreateSequential(out AuditBatchID);
var auditedPropertyNames =
entityEntry.Entity.GetType()
.GetProperties().Where(p => !p.GetCustomAttributes(typeof(DoNotAudit), true).Any())
.Select(info => info.Name);
var differences = new List<PropertyDiff>();
foreach (var propertyEntry in entityEntry.Metadata.GetProperties()
.Where(x => auditedPropertyNames.Contains(x.Name))
.Select(property => new { PropertyName = property.Name, Property = entityEntry.Property(property.Name) }))
{
var originalValue = Convert.ToString(propertyEntry.Property.OriginalValue);
var currentValue = Convert.ToString(propertyEntry.Property.CurrentValue);
if (entityState == EntityState.Modified && originalValue == currentValue) //Values are the same, don't log
continue;
var diff = new PropertyDiff { PropertyName = propertyEntry.PropertyName, OriginalValue = originalValue, NewValue = currentValue } ;
differences.Add(diff);
}
var ser = JsonConvert.SerializeObject(differences);
returnValue.Add(new CustomAuditLog
{
Differences = ser,
EventDateTime = RightNow,
EventType = entityState.ToString(),
UserName = userName,
TableName = entityEntry.Entity.GetType().Name
});
return returnValue;
}
public static void AuditRelationDeleted(Audit audit, EntityEntry objectStateEntry)
#endif
{
var entry = new AuditEntry(audit, objectStateEntry)
{
State = AuditEntryState.RelationshipDeleted
};
var values = objectStateEntry.OriginalValues;
for (var i = 0; i < values.FieldCount; i++)
{
var relationName = values.GetName(i);
var value = (EntityKey) values.GetValue(i);
foreach (var keyValue in value.EntityKeyValues)
{
entry.Properties.Add(new AuditEntryProperty(entry, relationName, keyValue.Key, keyValue.Value, null));
}
}
audit.Entries.Add(entry);
}
public string FormatValue(EntityEntry entry, string propertyName, object currentValue)
#endif
{
if (EntityValueFormatters.Count > 0)
{
if (entry.State != EntityState.Detached && entry.Entity != null)
{
var type = entry.Entity.GetType();
var key = string.Concat(type.FullName, ";", propertyName);
Func<object, object> formatter;
if (!ValueFormatterDictionary.TryGetValue(key, out formatter))
{
if (EntityValueFormatters.Count > 0)
{
foreach (var formatProperty in EntityValueFormatters)
{
formatter = formatProperty(entry.Entity, propertyName);
if (formatter != null)
{
break;
}
}
}
ValueFormatterDictionary.TryAdd(key, formatter);
}
if (formatter != null)
{
currentValue = formatter(currentValue);
}
}
}
return currentValue != null ? currentValue.ToString() : null;
}
public AuditEntryState GetEntityModifiedState(EntityEntry entry)
#endif
{
// CHECK for soft added
foreach (var softAddedFuncs in SoftAddedPredicates)
{
if (softAddedFuncs(entry.Entity))
{
return AuditEntryState.EntitySoftAdded;
}
}
// CHECK for soft deleted
foreach (var softDeleteFunc in SoftDeletedPredicates)
{
if (softDeleteFunc(entry.Entity))
{
return AuditEntryState.EntitySoftDeleted;
}
}
return AuditEntryState.EntityModified;
}
public static void AuditRelationAdded(Audit audit, EntityEntry objectStateEntry)
#endif
{
var entry = new AuditEntry(audit, objectStateEntry)
{
State = AuditEntryState.RelationshipAdded
};
var values = objectStateEntry.CurrentValues;
var leftKeys = (EntityKey) values.GetValue(0);
var rightKeys = (EntityKey) values.GetValue(1);
if (leftKeys.IsTemporary || rightKeys.IsTemporary)
{
entry.DelayedKey = objectStateEntry;
}
else
{
var leftRelationName = values.GetName(0);
var rightRelationName = values.GetName(1);
foreach (var keyValue in leftKeys.EntityKeyValues)
{
entry.Properties.Add(new AuditEntryProperty(entry, leftRelationName, keyValue.Key, null, keyValue.Value));
}
foreach (var keyValue in rightKeys.EntityKeyValues)
{
entry.Properties.Add(new AuditEntryProperty(entry, rightRelationName, keyValue.Key, null, keyValue.Value));
}
}
audit.Entries.Add(entry);
}
public override EntityState DetermineState(EntityEntry entry)
{
if (!entry.IsKeySet)
{
((IAccessor<InternalEntityEntry>)entry).Service[entry.Metadata.GetPrimaryKey().Properties.Single()] = 777;
return EntityState.Added;
}
return base.DetermineState(entry);
}
private void TrackEntity(EntityEntry entry, bool updateExistingEntities)
{
new KeyValueEntityTracker(updateExistingEntities: updateExistingEntities).TrackEntity(entry);
}
public void Can_get_property_entry_by_lambda()
{
var stateEntryMock = CreateStateEntryMock();
var entry = new EntityEntry<Chunky>(stateEntryMock.Object);
Assert.Equal("Monkey", entry.Property(e => e.Monkey).Name);
}
public override EntityState DetermineState(EntityEntry entry)
{
if (!entry.IsKeySet)
{
entry.GetService()[entry.Metadata.GetPrimaryKey().Properties.Single()] = 777;
return EntityState.Added;
}
return base.DetermineState(entry);
}
public virtual EntityState DetermineState(EntityEntry entry)
=> entry.IsKeySet
? (_updateExistingEntities ? EntityState.Modified : EntityState.Unchanged)
: EntityState.Added;
public virtual void TrackEntity(EntityEntry entry)
=> entry.GetService().SetEntityState(DetermineState(entry), acceptChanges: true);
private static void target(EntityEntry obj)
{
obj.SetState(Microsoft.Data.Entity.EntityState.Added);
}
