public async Task <AnnCategoryTagsSyncData> AnnCategoryTagsSync(AnnCategoryTagsSyncData data)
{
var httpResponse = await ServiceAgent.RestFullServiceJsonRequest(base.GetTargetUri(), ServiceConfig.ANN_CATEGORYTAGS_SYNC, data);
if (httpResponse.IsSuccess)
{
return(JsonConvert.DeserializeObject <AnnCategoryTagsSyncData>(httpResponse.Content));
}
else
{
return(null);
}
}
private async Task <bool> SyncFromRemote(AnnotationTaskContext context)
{
bool syncResult = false;
try
{
List <AnnotationTag> tags;
AnnCategoryTags annCategorytag = new AnnCategoryTags();
string email = context.AnnotationSyncTask.Email;
string serviceCode = context.AnnotationSyncTask.ServiceCode;
tagDomainService.LoadTagsFromDb(email, serviceCode, out annCategorytag, out tags);
AnnCategoryTagsSyncData syncData = new AnnCategoryTagsSyncData();
syncData.UserName = email;
syncData.LSST = tagDomainService.AnnCategorytag.LastServerSyncTime.HasValue ? tagDomainService.AnnCategorytag.LastServerSyncTime.Value : DateTime.Now.AddYears(-20);
syncData.AnnotationTagsXml = tagDomainService.AnnCategorytag.IsModified ? tagDomainService.ToXmlForSync(tags) : null;
syncData = await context.SyncService.AnnCategoryTagsSync(syncData);
if (syncData != null)
{
if (syncData.LSST.HasValue)
{
tagDomainService.AnnCategorytag.LastServerSyncTime = syncData.LSST.Value;
}
if (tagDomainService.AnnCategorytag.IsModified)
{
if (string.IsNullOrEmpty(syncData.AnnotationTagsXml))
{//sync success
tagDomainService.AnnCategorytag.IsModified = false;
syncResult = true;
}
else
{ //sync failure since server tags have been updated by other device
syncResult = false;
}
}
else
{
syncResult = true;
}
if (!string.IsNullOrEmpty(syncData.AnnotationTagsXml))
{
var serverTags = tagDomainService.GenerateTagsFromTagXML(syncData.AnnotationTagsXml);
if (!syncResult)
{
var exceptTags = serverTags.Except(tags, new TagEqualityComparer());
tags.AddRange(exceptTags);
}
else
{
tags = serverTags;
}
tagDomainService.SaveToSqlite(tags, email, serviceCode);
}
}
}
catch (Exception ex)
{
Logger.Log("PerformSyncTags error:" + ex.ToString());
}
return(syncResult);
}
