public void AttachDeletedObject(string typeName, string id)
{
var syncStatusContext = CreateSyncStatusContext();
var syncObj = AddOrCreateNewSyncObject(syncStatusContext, typeName, id);
syncObj.IsDeleted = true;
syncObj.LastChange = DateTimeOffset.UtcNow;
var updatedResult = new UpdatedDataBatch();
var updatedResultItem = CreateDownloadResponseItemInfo(syncObj, ChangesForDeletedObject);
updatedResult.Items.Add(updatedResultItem);
OnDataUpdated(updatedResult);
syncStatusContext.SaveChanges();
}
public void AttachObjects(IEnumerable <IRealmiusObjectServer> objects)
{
var syncStatusContext = CreateSyncStatusContext();
var updatedResult = new UpdatedDataBatch();
foreach (var obj in objects)
{
try
{
AttachObject(obj, syncStatusContext, updatedResult);
}
catch (Exception e)
{
Logger.Exception(e, $"Error attaching object {obj.MobilePrimaryKey}");
}
}
OnDataUpdated(updatedResult);
syncStatusContext.SaveChanges();
}
private void AttachObject(IRealmiusObjectServer obj, SyncStatusDbContext syncStatusContext, UpdatedDataBatch updatedResult)
{
var typeName = GetEfTypeName(obj);
var syncObj = AddOrCreateNewSyncObject(syncStatusContext, typeName, obj.MobilePrimaryKey);
var current = JObject.FromObject(obj);
var diff = JsonHelper.GetJsonDiff(JObject.Parse(syncObj.FullObjectAsJson ?? "{}"), current);
var dateTimeNow = GetDate();
foreach (JProperty jProperty in diff.Properties())
{
syncObj.ColumnChangeDates[jProperty.Name] = dateTimeNow;
}
ProcessAndAddChanges(syncObj, obj, updatedResult, diff.ToString());
}
protected virtual void OnDataUpdated(UpdatedDataBatch e)
{
DataUpdated?.Invoke(this, e);
}
private void ProcessAndAddChanges(SyncStatusServerObject syncStatusObject, IRealmiusObjectServer obj, UpdatedDataBatch updatedResult, string changes)
{
Process(syncStatusObject, obj);
var updatedResultItem = CreateDownloadResponseItemInfo(syncStatusObject, changes);
updatedResult.Items.Add(updatedResultItem);
}
protected virtual int ProcessChanges()
{
if (!EnableSyncTracking)
{
return(base.SaveChanges());
}
if (_syncConfiguration == null)
{
throw new InvalidOperationException($"{nameof(ChangeTrackingDbContext)} was not initialized (_syncConfiguration is null)!");
}
int result;
try
{
var syncStatusContext = CreateSyncStatusContext();
var updatedResult = new UpdatedDataBatch();
var dateTimeNow = GetDate();
var entries = ChangeTracker.Entries()
.Where(x => !(x.Entity is LogEntryBase))
.Where(e => e.State == EntityState.Modified ||
e.State == EntityState.Added ||
e.State == EntityState.Deleted
).Select(x => new EfEntityInfo
{
ModifiedProperties = x.State == EntityState.Deleted ? new Dictionary <string, bool>() : x.CurrentValues.PropertyNames.ToDictionary(z => z, z => x.Property(z).IsModified),
Entity = x.Entity,
CurrentValues = x.State == EntityState.Deleted ? null : x.CurrentValues?.Clone(),
OriginalValues = x.State == EntityState.Added ? null : x.OriginalValues?.Clone(),
State = x.State
}).ToList();
result = base.SaveChanges();
if (EnableAudit)
{
SaveLogs(entries);
base.SaveChanges();
}
foreach (var entity in entries)
{
var typeName = GetEfTypeName(entity.Entity);
if (!_syncedTypes.ContainsKey(typeName))
{
continue;
}
var syncTypeInfo = _syncedTypes[typeName];
var obj = (IRealmiusObjectServer)entity.Entity;
var syncStatusObject = AddOrCreateNewSyncObject(syncStatusContext, typeName, obj.MobilePrimaryKey);
string changes;
if (entity.State == EntityState.Modified)
{
var serializedCurrent = SerializeObject(obj);
if (syncStatusObject != null && syncStatusObject.FullObjectAsJson == serializedCurrent)
{
changes = null;
}
else
{
var jsonDiff = JsonHelper.GetJsonDiffAsJObject(
syncStatusObject?.FullObjectAsJson ?? "{}",
serializedCurrent);
if (syncStatusObject != null)
{
foreach (var property in jsonDiff.Properties())
{
var propName = property.Name;
syncStatusObject.ColumnChangeDates[propName] = dateTimeNow;
}
}
changes = jsonDiff.ToString();
}
syncStatusObject.IsDeleted = false;
}
else if (entity.State == EntityState.Added)
{
changes = SerializeObject(obj);
var jObject = JObject.Parse(changes);
foreach (var propName in jObject.Properties().Select(x => x.Name))
{
syncStatusObject.ColumnChangeDates[propName] = dateTimeNow;
}
syncStatusObject.IsDeleted = false;
changes = jObject.ToString();
}
else if (entity.State == EntityState.Deleted)
{
syncStatusObject.IsDeleted = true;
changes = ChangesForDeletedObject;
}
else
{
throw new ArgumentOutOfRangeException($"Entity state '{entity.State}' is not supported");
}
if (changes != null)
{
ProcessAndAddChanges(syncStatusObject, obj, updatedResult, changes);
}
}
if (updatedResult.Items.Count > 0)
{
syncStatusContext.SaveChanges();
OnDataUpdated(updatedResult);
}
}
catch (Exception e)
{
Console.WriteLine(e);
throw;
}
return(result);
}
