public static async Task <HttpResponseMessage> Run([HttpTrigger(AuthorizationLevel.Anonymous,
"post", Route = null)] HttpRequestMessage req,
TraceWriter log)
{
log.Info($"WebHook Function called at: { DateTime.Now }");
// WebHook Registration
string validationToken = WHHelpRoutines.GetValidationToken(req, log);
if (validationToken != null)
{
return(WHHelpRoutines.RegisterWebHook(req, validationToken, log));
}
else
{
log.Info($"---- Registration: Registering WebHook already done");
}
// Changes
var myContent = await req.Content.ReadAsStringAsync();
var allNotifications = JsonConvert.DeserializeObject <ResponseModel <NotificationModel> >(myContent).Value;
if (allNotifications.Count > 0)
{
foreach (var oneNotification in allNotifications)
{
// Login in SharePoint
string baseUrl = ConfigurationManager.AppSettings["whSpBaseUrl"];
ClientContext SPClientContext = WHHelpRoutines.LoginSharePoint(baseUrl, log);
// Get the Changes
GetChanges(SPClientContext, oneNotification.Resource, log);
}
}
return(new HttpResponseMessage(HttpStatusCode.OK));
}
static void GetChanges(ClientContext SPClientContext, string ListId, TraceWriter log)
{
// Get the List where the WebHook is working
List myListWebHook = WHHelpRoutines.GetListWebHook(SPClientContext, log);
// Get the Change Query
ChangeQuery myChangeQuery = WHHelpRoutines.GetChangeQueryNew(ListId, log); // Only new items and for the last one minute
// Get all the Changes
ChangeCollection allChanges = WHHelpRoutines.GetAllChanges(myListWebHook, myChangeQuery, SPClientContext, log);
foreach (Change oneChange in allChanges)
{
if (oneChange is ChangeItem)
{
// Get what is changed
ListItem itemChanged = WHHelpRoutines.GetItemChanged(myListWebHook, oneChange, SPClientContext, log);
log.Info($"itemChangedID - " + itemChanged.Id.ToString());
// Do something with the Item Changed
DoSomething(SPClientContext, itemChanged, log);
}
}
}