/// <summary>
/// Create sync state in database for a sync down and return corresponding SyncState
/// </summary>
/// <param name="store"></param>
/// <param name="target"></param>
/// <param name="options"></param>
/// <param name="soupName"></param>
/// <returns></returns>
public static SyncState CreateSyncDown(SmartStore.Store.SmartStore store, SyncDownTarget target, string soupName, SyncOptions options = null)
{
var sync = new JObject
{
{ Constants.SyncType, SyncTypes.SyncDown.ToString() },
{ Constants.SyncTarget, target.AsJson() },
{ Constants.SyncSoupName, soupName },
{ Constants.SyncStatus, SyncStatusTypes.New.ToString() },
{ Constants.SyncProgress, 0 },
{ Constants.SyncTotalSize, -1 },
{ Constants.SyncMaxTimeStamp, -1 },
};
if (options != null)
{
sync[Constants.SyncOptions] = options.AsJson();
}
JObject upserted = store.Upsert(Constants.SyncsSoup, sync);
if (upserted != null)
{
return(FromJson(upserted));
}
sync[Constants.SyncStatus] = SyncStatusTypes.Failed.ToString();
return(FromJson(sync));
}
private void SaveRecordsToSmartStore(string soupName, IEnumerable <JToken> records,
SyncState.MergeModeOptions mergeMode)
{
_smartStore.Database.BeginTransaction();
HashSet <string> idsToSkip = null;
if (SyncState.MergeModeOptions.LeaveIfChanged == mergeMode)
{
idsToSkip = GetDirtyRecordIds(soupName, Constants.Id);
}
foreach (JObject record in records.Select(t => t.ToObject <JObject>()))
{
// Skip if LeaveIfChanged and id is in dirty list
if (idsToSkip != null && SyncState.MergeModeOptions.LeaveIfChanged == mergeMode)
{
var id = record.ExtractValue <string>(Constants.Id);
if (!String.IsNullOrWhiteSpace(id) && idsToSkip.Contains(id))
{
continue; // don't write over dirty record
}
}
// Save
record[Local] = false;
record[LocallyCreated] = false;
record[LocallyUpdated] = false;
record[LocallyUpdated] = false;
_smartStore.Upsert(soupName, record, Constants.Id, false);
}
_smartStore.Database.CommitTransaction();
}
/// <summary>
/// Helper method that inserts/updates a record in the cache.
/// </summary>
/// <param name="soupName"></param>
/// <param name="jObject"></param>
/// <param name="cacheKey"></param>
private void UpsertData(string soupName, JObject jObject, string cacheKey)
{
if (jObject == null || String.IsNullOrWhiteSpace(soupName))
{
return;
}
RegisterSoup(soupName, cacheKey);
try
{
_smartStore.Upsert(soupName, jObject, cacheKey);
AddSoupNameToMasterSoup(soupName);
}
catch (SmartStoreException)
{
Debug.WriteLine("SmartStoreException occurred while attempting to cache data");
}
}