private void UpdateField(Web web, string fieldId, XElement templateFieldElement, PnPMonitoredScope scope, TokenParser parser, string originalFieldXml)
{
var existingField = web.Fields.GetById(Guid.Parse(fieldId));
web.Context.Load(existingField, f => f.SchemaXml);
web.Context.ExecuteQueryRetry();
XElement existingFieldElement = XElement.Parse(existingField.SchemaXml);
XNodeEqualityComparer equalityComparer = new XNodeEqualityComparer();
if (equalityComparer.GetHashCode(existingFieldElement) != equalityComparer.GetHashCode(templateFieldElement)) // Is field different in template?
{
if (existingFieldElement.Attribute("Type").Value == templateFieldElement.Attribute("Type").Value) // Is existing field of the same type?
{
var listIdentifier = templateFieldElement.Attribute("List") != null?templateFieldElement.Attribute("List").Value : null;
if (listIdentifier != null)
{
// Temporary remove list attribute from list
templateFieldElement.Attribute("List").Remove();
}
if (IsFieldXmlValid(parser.ParseXmlString(originalFieldXml), parser, web.Context))
{
foreach (var attribute in templateFieldElement.Attributes())
{
if (existingFieldElement.Attribute(attribute.Name) != null)
{
existingFieldElement.Attribute(attribute.Name).Value = attribute.Value;
}
else
{
existingFieldElement.Add(attribute);
}
}
foreach (var element in templateFieldElement.Elements())
{
if (existingFieldElement.Element(element.Name) != null)
{
existingFieldElement.Element(element.Name).Remove();
}
existingFieldElement.Add(element);
}
if (string.Equals(templateFieldElement.Attribute("Type").Value, "Calculated", StringComparison.OrdinalIgnoreCase))
{
var fieldRefsElement = existingFieldElement.Descendants("FieldRefs").FirstOrDefault();
if (fieldRefsElement != null)
{
fieldRefsElement.Remove();
}
}
if (existingFieldElement.Attribute("Version") != null)
{
existingFieldElement.Attributes("Version").Remove();
}
existingField.SchemaXml = parser.ParseXmlString(existingFieldElement.ToString(), "~sitecollection", "~site");
existingField.UpdateAndPushChanges(true);
web.Context.Load(existingField, f => f.TypeAsString, f => f.DefaultValue);
try
{
web.Context.ExecuteQueryRetry();
}
catch (ServerException se)
{
if (se.ServerErrorTypeName == "Microsoft.SharePoint.Client.ClientServiceTimeoutException")
{
string fieldName = existingFieldElement.Attribute("Name") != null?existingFieldElement.Attribute("Name").Value : existingFieldElement.Attribute("StaticName").Value;
WriteMessage(string.Format(CoreResources.Provisioning_ObjectHandlers_Fields_Updating_field__0__timeout, fieldName), ProvisioningMessageType.Warning);
scope.LogWarning(CoreResources.Provisioning_ObjectHandlers_Fields_Updating_field__0__timeout, fieldName);
web.Context.Load(existingField, f => f.TypeAsString, f => f.DefaultValue);
web.Context.ExecuteQueryRetry();
}
else
{
throw;
}
}
bool isDirty = false;
#if !SP2013
if (originalFieldXml.ContainsResourceToken())
{
var originalFieldElement = XElement.Parse(originalFieldXml);
var nameAttributeValue = originalFieldElement.Attribute("DisplayName") != null?originalFieldElement.Attribute("DisplayName").Value : "";
if (nameAttributeValue.ContainsResourceToken())
{
existingField.TitleResource.SetUserResourceValue(nameAttributeValue, parser);
isDirty = true;
}
var descriptionAttributeValue = originalFieldElement.Attribute("Description") != null?originalFieldElement.Attribute("Description").Value : "";
if (descriptionAttributeValue.ContainsResourceToken())
{
existingField.DescriptionResource.SetUserResourceValue(descriptionAttributeValue, parser);
isDirty = true;
}
}
#endif
if (isDirty)
{
existingField.Update();
web.Context.ExecuteQueryRetry();
}
if ((existingField.TypeAsString == "TaxonomyFieldType" || existingField.TypeAsString == "TaxonomyFieldTypeMulti"))
{
var taxField = web.Context.CastTo <TaxonomyField>(existingField);
if (!string.IsNullOrEmpty(existingField.DefaultValue))
{
ValidateTaxonomyFieldDefaultValue(taxField);
}
SetTaxonomyFieldOpenValue(taxField, originalFieldXml);
}
}
else
{
// The field Xml was found invalid
var tokenString = parser.GetLeftOverTokens(originalFieldXml).Aggregate(String.Empty, (acc, i) => acc + " " + i);
scope.LogError("The field was found invalid: {0}", tokenString);
throw new Exception($"The field was found invalid: {tokenString}");
}
}
else
{
var fieldName = existingFieldElement.Attribute("Name") != null?existingFieldElement.Attribute("Name").Value : existingFieldElement.Attribute("StaticName").Value;
WriteMessage(string.Format(CoreResources.Provisioning_ObjectHandlers_Fields_Field__0____1___exists_but_is_of_different_type__Skipping_field_, fieldName, fieldId), ProvisioningMessageType.Warning);
scope.LogWarning(CoreResources.Provisioning_ObjectHandlers_Fields_Field__0____1___exists_but_is_of_different_type__Skipping_field_, fieldName, fieldId);
}
}
}
