public async Task ProcessWebHookData(FbHookData fbData)
{
if (fbData == null || !fbData.Entry.Any())
{
return;
}
var changes = fbData.Entry.First().Changes;
if (changes == null || !changes.Any())
{
return;
}
if (fbData.Object != "page")
{
return;
}
string pageId = fbData.Entry.First().Id;
SocialAccount socialAccount = await GetSoicalAccount(pageId);
if (socialAccount == null)
{
return;
}
foreach (var change in changes)
{
if (socialAccount != null)
{
var strategory = _strategyFactory.Create(change);
if (strategory != null)
{
FacebookProcessResult result = null;
await UnitOfWorkManager.Run(TransactionScopeOption.RequiresNew, socialAccount.SiteId, async() =>
{
result = await strategory.Process(socialAccount, change);
});
if (result != null)
{
await result.Notify(socialAccount.SiteId);
}
}
}
}
}
/// <summary>
/// This is call back url for facebook web hook.
/// </summary>
/// <returns></returns>
public async Task <IHttpActionResult> Post()
{
var request = Request;
string fbEntry = await request.Content.ReadAsStringAsync();
Hub.Clients.All.newRaw(fbEntry);
lock (_lock)
{
if (_fbEntries.Contains(fbEntry))
{
return(Ok()); //facebook will push duplicated data, we should ignore duplicated data.
}
_fbEntries.Add(fbEntry);
}
try
{
FbHookData data = await request.Content.ReadAsAsync <FbHookData>();
await _facebookWebHookAppService.ProcessWebHookData(data);
}
catch (Exception ex)
{
Logger.Error(ex);
Hub.Clients.All.newRaw(ex.StackTrace);
}
lock (_lock)
{
_fbEntries.Remove(fbEntry);
}
return(Ok());
}
public async Task ProcessWebHookData(FbHookData fbData)
{
await _facebookWebHookService.ProcessWebHookData(fbData);
}
