public static async Task <HttpResponseMessage> Run([HttpTrigger(AuthorizationLevel.Function, "get", "post", Route = null)] HttpRequestMessage req, TraceWriter log)
{
log.Info("C# HTTP trigger function BetterCopyFunction processed a request.");
string errorMsg = "";
try
{
dynamic data = await req.Content.ReadAsAsync <object>();
string targetUrl = data?.targetUrl;
string sourceUrl = data?.sourceUrl;
Uri targetSiteUri = new Uri(targetUrl);
Uri sourceSiteUri = new Uri(sourceUrl);
string pageLayout = data?.pageLayout;
string fileName = ""; // we get this from the source item
int sourceId;
try
{
string strSourceId = data?.sourceId;
sourceId = int.Parse(strSourceId);
}
catch (Exception)
{
log.Error("Setting up variables failed.");
errorMsg += "Setting up variables failed.";
throw;
}
log.Info("Got the variables! Now connecting to SharePoint...");
// Get the realm for the URL
var realm = TokenHelper.GetRealmFromTargetUrl(targetSiteUri);
// parse tenant admin url from the sourceUrl (there's probably a cuter way to do this but this is simple :])
string tenantAdminUrl = sourceUrl.Substring(0, sourceUrl.IndexOf(".com") + 4).TrimEnd(new[] { '/' }).Replace(".sharepoint", "-admin.sharepoint");
// parse tenant url from the admin url
var tenantUrl = tenantAdminUrl.Substring(0, tenantAdminUrl.IndexOf(".com") + 4).Replace("-admin", "");
AzureEnvironment env = TokenHelper.getAzureEnvironment(tenantAdminUrl);
using (var ctx_target = new OfficeDevPnP.Core.AuthenticationManager().GetAppOnlyAuthenticatedContext(targetSiteUri.ToString(), clientId, clientSecret, env))
{
log.Info("Target site context built successfully!");
using (var ctx_source = new OfficeDevPnP.Core.AuthenticationManager().GetAppOnlyAuthenticatedContext(sourceSiteUri.ToString(), clientId, clientSecret, env))
{
log.Info("Source site context built successfully!");
var exists = ctx_target.WebExistsFullUrl(targetUrl);
string targetWebUrl = targetUrl.Replace(tenantUrl, "");
var targetWeb = ctx_target.Site.OpenWeb(targetWebUrl);
ctx_target.Load(ctx_target.Site);
ctx_target.Load(targetWeb);
ctx_target.ExecuteQuery();
var sourceWeb = ctx_source.Site.OpenWeb(sourceUrl.Replace(tenantUrl, ""));
ctx_source.Load(sourceWeb);
ctx_source.ExecuteQuery();
log.Info("SharePoint connection fine! Connected to: " + targetWeb.Title);
pageLayout = ctx_target.Site.Url + pageLayout.Substring(pageLayout.IndexOf("/_catalogs"));
var sourceList = sourceWeb.Lists.GetByTitle("Pages");
ctx_source.Load(sourceList);
ctx_source.ExecuteQuery();
var targetList = targetWeb.Lists.GetByTitle("Pages");
ctx_target.Load(targetList);
ctx_target.ExecuteQuery();
log.Info("... and: " + targetList.Title + " " + targetList.ItemCount);
string publishingPageContent = "";
ListItem sourceItem = null;
try
{
sourceItem = sourceList.GetItemById(sourceId);
if (sourceItem == null)
{
string qs = String.Format("<View><Query><Where><Eq><FieldRef Name=\"ID\"></FieldRef><Value Type=\"Number\">{0}</Value></Eq></Where></Query></View>", sourceId);
CamlQuery query = new CamlQuery();
query.ViewXml = qs;
var items = sourceList.GetItems(query);
ctx_source.Load(items);
ctx_source.ExecuteQuery();
sourceItem = items.First();
}
}
catch (Exception ex)
{
sourceItem = sourceWeb.GetListItem("/Pages/Forms/DispForm.aspx?ID=" + sourceId);
errorMsg += ex.Message + " ";
}
finally
{
ctx_source.Load(sourceItem);
ctx_source.Load(sourceItem.File);
ctx_source.Load(sourceItem, r => r.Client_Title, r => r.Properties);
ctx_source.ExecuteQueryRetry();
log.Info("Got source item! Title: " + sourceItem.Client_Title);
if (sourceItem["PublishingPageContent"] != null)
{
publishingPageContent = sourceItem["PublishingPageContent"].ToString();
}
}
fileName = sourceItem.File.Name;
// at this point, we've fetched all the info we needed. On to getting the target item, and then updating the fields there.
ListItem targetItem = null;
try
{
targetItem = targetList.GetItemById(sourceId);
if (targetItem == null)
{
string qs1 = String.Format("<View><Query><Where><Eq><FieldRef Name=\"ID\"></FieldRef><Value Type=\"Number\">{0}</Value></Eq></Where></Query></View>", sourceId);
CamlQuery query1 = new CamlQuery();
query1.ViewXml = qs1;
var items1 = targetList.GetItems(query1);
ctx_target.Load(items1);
ctx_target.ExecuteQuery();
targetItem = items1.First();
}
}
catch (Exception ex)
{
log.Warning("Getting source item via conventional ways failed. Trying the unorthodox ones...");
targetItem = targetWeb.GetListItem("/Pages/Forms/DispForm.aspx?ID=" + sourceId);
var items = targetList.GetItems(CamlQuery.CreateAllItemsQuery());
ctx_target.Load(items);
ctx_target.ExecuteQueryRetry();
for (int i = 0; i < items.Count; i++)
{
if (items[i].Id == sourceId)
{
targetItem = items[i];
}
}
}
finally
{
try
{
string str = "Published automatically by an Azure Function (BetterCopyFunction).";
targetItem.File.CheckIn(str, CheckinType.MajorCheckIn);
targetItem.File.Publish(str);
ctx_target.Load(targetItem);
ctx_target.ExecuteQueryRetry();
}
catch (Exception ex)
{
log.Info("Error: " + ex.Message);
}
ctx_target.Load(targetItem);
ctx_target.Load(targetItem, r => r.Client_Title, r => r.Properties);
ctx_target.ExecuteQueryRetry();
}
log.Info("Target item title: " + targetItem.Client_Title);
try
{
targetItem["PublishingPageLayout"] = pageLayout;
targetItem["PublishingPageContent"] = publishingPageContent;
targetItem.SystemUpdate();
ctx_target.ExecuteQuery();
}
catch (Exception ex)
{
log.Warning("There was an error in saving target item values. Values were: " + pageLayout + " " + publishingPageContent);
log.Warning("Error was: " + ex.Message);
}
finally
{
log.Info("Target item updated!");
}
}
}
}
catch (Exception ex)
{
errorMsg += ex.Message;
errorMsg += "\r\n " + ex.StackTrace;
throw;
}
return(String.IsNullOrEmpty(errorMsg)
? req.CreateResponse(HttpStatusCode.OK, "Function run was a success.")
: req.CreateResponse(HttpStatusCode.InternalServerError, errorMsg));
}