public int Log(AuditModel model)
{
return(AuditUtil.Add(_auditDb, model));
}
// Ако е нужно един ChangeLogger да се ползва многократно, методите за инициализация и описание може да се подадат еднократно.
//private readonly Func<Log> _logInitializer;
//private readonly Func<PropertyDescriptorParams, Task<string>> _propertyDescriptorAsync;
//public ChangeLogger(Func<Log> logInitializer, Func<PropertyDescriptorParams, Task<string>> propertyDescriptorAsync)
//{
// _logInitializer = logInitializer;
// _propertyDescriptorAsync = propertyDescriptorAsync;
//}
//public Task<int> SaveChangesAsync(DbContext db, Func<Task<int>> saveChagesAsyncMethod)
//{
// Log log = (_logInitializer != null ? _logInitializer() : null) ?? new Log();
// return SaveChangesAsync(db, saveChagesAsyncMethod, log, _propertyDescriptorAsync);
//}
public async static Task <int> SaveChangesAsync(
DbContext db,
AuditContext auditDb,
Func <Task <int> > saveChagesAsyncMethod,
AuditModel audit,
Type auditMasterEntityType,
string auditMasterEntityId)
{
if (db == null)
{
throw new ArgumentNullException(nameof(db));
}
if (saveChagesAsyncMethod == null)
{
throw new ArgumentNullException(nameof(saveChagesAsyncMethod));
}
if (audit == null)
{
throw new ArgumentNullException(nameof(audit));
}
if (auditMasterEntityType == null)
{
throw new ArgumentNullException(nameof(auditMasterEntityType));
}
// Ако е подаден генериран клас, наследник на entity класа (т.нар. dynamic proxy), се взима entity класът.
if (auditMasterEntityType.BaseType != null && auditMasterEntityType.Namespace == "System.Data.Entity.DynamicProxies")
{
auditMasterEntityType = auditMasterEntityType.BaseType;
}
audit.EntityName = auditMasterEntityType.Name;
audit.EntityRecordId = auditMasterEntityId;
audit.AuditTypeCode = AuditTypeCode.Write;
audit.Sanitize();
if (audit.AuditDetails == null)
{
audit.AuditDetails = new List <AuditDetailModel>();
}
int result;
IEnumerable <EntityEntry> addedEntries = GetAddedEntries(db);
try
{
var logConfigDictionary = await auditDb.AuditConfigs.ToDictionaryAsync(l => l.EntityName + "." + l.PropertyName);
await GetLogDetailsForUpdatedAndDeletedAsync(db, audit, logConfigDictionary);
result = await saveChagesAsyncMethod();
await GetLogDetailsForAddedAsync(db, audit, logConfigDictionary, addedEntries);
}
catch (Exception ex)
{
throw ex;
}
audit.GetMissingEntityRecordIdFromDetails();
// да не се записват записи за промяна без реални промени
if (audit.AuditDetails.Count > 0)
{
AuditUtil.Add(auditDb, audit); // Извиква SaveChanges().
}
await UpdateUserHostFromIpAsync(audit);
return(result);
}