public async Task <Unit> Handle(CreateAuditEvents command, CancellationToken cancellationToken)
{
var auditEvents = AuditEvent.Create(command, _authentificationContext, _auditSerializer);
await _dbContext.BulkInsertAsync(auditEvents);
await _dbContext.SaveChangesAsync();
return(Unit.Value);
}
public async Task Audit()
{
if (!_auditConfiguration.AuditDatabaseChanges)
{
return;
}
var auditDatabaseChanges = _dbContextToAudit.ChangeTracker.Entries()
.Where(entry => entry.Metadata.ClrType.ShouldAudit())
.Select(entry =>
{
if (new[] { EntityState.Added, EntityState.Deleted }.Contains(entry.State))
{
var changes = entry.Properties
.Where(property => property.IsTemporary || property.Metadata.PropertyInfo.ShouldAudit())
.ToDictionary(property => property.Metadata.Name, property => entry.State == EntityState.Deleted ? property.OriginalValue : property.CurrentValue);
return(BuildAuditDatabaseChange(entry, changes));
}
if (entry.State == EntityState.Modified)
{
var propertiesToAudit = entry.Properties.Where(property => property.IsModified && property.Metadata.PropertyInfo.ShouldAudit()).ToList();
var changes = new
{
PreviousState = propertiesToAudit.ToDictionary(property => property.Metadata.Name, property => property.OriginalValue),
NewState = propertiesToAudit.ToDictionary(property => property.Metadata.Name, property => property.CurrentValue),
};
return(propertiesToAudit.Any() ? BuildAuditDatabaseChange(entry, changes) : null);
}
return(null);
})
.Where(auditDatabaseChange => auditDatabaseChange != null)
.ToList();
await _auditDbContext.BulkInsertAsync(auditDatabaseChanges);
await _auditDbContext.SaveChangesAsync();
}