private bool WebSupportsExtractNavigation(Web web)
{
bool isNavSupported = true;
// The Navigation handler for managed metedata only works for sites with Publishing Features enabled
if (!web.IsPublishingWeb())
{
// NOTE: Here we could have the same edge case of method WebSupportsProvisionNavigation.
// Just as a reminder ...
var navigationSettings = new WebNavigationSettings(web.Context, web);
navigationSettings.EnsureProperties(ns => ns.CurrentNavigation, ns => ns.GlobalNavigation);
if (navigationSettings.CurrentNavigation.Source == StandardNavigationSource.TaxonomyProvider)
{
isNavSupported = false;
}
if (navigationSettings.GlobalNavigation.Source == StandardNavigationSource.TaxonomyProvider)
{
isNavSupported = false;
}
}
return(isNavSupported);
}
public override ProvisioningTemplate ExtractObjects(Web web, ProvisioningTemplate template, ProvisioningTemplateCreationInformation creationInfo)
{
using (var scope = new PnPMonitoredScope(this.Name))
{
GlobalNavigationType globalNavigationType;
CurrentNavigationType currentNavigationType;
if (!WebSupportsExtractNavigation(web))
{
scope.LogDebug(CoreResources.Provisioning_ObjectHandlers_Navigation_Context_web_is_not_publishing);
return(template);
}
// Retrieve the current web navigation settings
var navigationSettings = new WebNavigationSettings(web.Context, web);
navigationSettings.EnsureProperties(ns => ns.CurrentNavigation, ns => ns.GlobalNavigation);
switch (navigationSettings.GlobalNavigation.Source)
{
case StandardNavigationSource.InheritFromParentWeb:
// Global Navigation is Inherited
globalNavigationType = GlobalNavigationType.Inherit;
break;
case StandardNavigationSource.TaxonomyProvider:
// Global Navigation is Managed
globalNavigationType = GlobalNavigationType.Managed;
break;
case StandardNavigationSource.PortalProvider:
default:
// Global Navigation is Structural
globalNavigationType = GlobalNavigationType.Structural;
break;
}
switch (navigationSettings.CurrentNavigation.Source)
{
case StandardNavigationSource.InheritFromParentWeb:
// Current Navigation is Inherited
currentNavigationType = CurrentNavigationType.Inherit;
break;
case StandardNavigationSource.TaxonomyProvider:
// Current Navigation is Managed
currentNavigationType = CurrentNavigationType.Managed;
break;
case StandardNavigationSource.PortalProvider:
default:
// Current Navigation is Structural
if (AreSiblingsEnabledForCurrentStructuralNavigation(web))
{
currentNavigationType = CurrentNavigationType.Structural;
}
else
{
currentNavigationType = CurrentNavigationType.StructuralLocal;
}
break;
}
template.Navigation = new Model.Navigation(
new GlobalNavigation(globalNavigationType,
globalNavigationType == GlobalNavigationType.Structural ? GetGlobalStructuralNavigation(web, navigationSettings) : null,
globalNavigationType == GlobalNavigationType.Managed ? GetGlobalManagedNavigation(web, navigationSettings) : null),
new CurrentNavigation(currentNavigationType,
currentNavigationType == CurrentNavigationType.Structural | currentNavigationType == CurrentNavigationType.StructuralLocal ? GetCurrentStructuralNavigation(web, navigationSettings) : null,
currentNavigationType == CurrentNavigationType.Managed ? GetCurrentManagedNavigation(web, navigationSettings) : null)
);
}
return(template);
}
public override ProvisioningTemplate ExtractObjects(Web web, ProvisioningTemplate template, ProvisioningTemplateCreationInformation creationInfo)
{
using (var scope = new PnPMonitoredScope(this.Name))
{
GlobalNavigationType globalNavigationType;
CurrentNavigationType currentNavigationType;
if (!WebSupportsExtractNavigation(web))
{
scope.LogDebug(CoreResources.Provisioning_ObjectHandlers_Navigation_Context_web_is_not_publishing);
return(template);
}
// Retrieve the current web navigation settings
var navigationSettings = new WebNavigationSettings(web.Context, web);
navigationSettings.EnsureProperties(ns => ns.AddNewPagesToNavigation, ns => ns.CreateFriendlyUrlsForNewPages,
ns => ns.CurrentNavigation, ns => ns.GlobalNavigation);
switch (navigationSettings.GlobalNavigation.Source)
{
case StandardNavigationSource.InheritFromParentWeb:
// Global Navigation is Inherited
globalNavigationType = GlobalNavigationType.Inherit;
break;
case StandardNavigationSource.TaxonomyProvider:
// Global Navigation is Managed
globalNavigationType = GlobalNavigationType.Managed;
break;
case StandardNavigationSource.PortalProvider:
default:
// Global Navigation is Structural
globalNavigationType = GlobalNavigationType.Structural;
break;
}
switch (navigationSettings.CurrentNavigation.Source)
{
case StandardNavigationSource.InheritFromParentWeb:
// Current Navigation is Inherited
currentNavigationType = CurrentNavigationType.Inherit;
break;
case StandardNavigationSource.TaxonomyProvider:
// Current Navigation is Managed
currentNavigationType = CurrentNavigationType.Managed;
break;
case StandardNavigationSource.PortalProvider:
default:
// Current Navigation is Structural
if (AreSiblingsEnabledForCurrentStructuralNavigation(web))
{
currentNavigationType = CurrentNavigationType.Structural;
}
else
{
currentNavigationType = CurrentNavigationType.StructuralLocal;
}
break;
}
var searchNavigation = GetStructuralNavigation(web, navigationSettings, Enums.NavigationType.SearchNav, template, creationInfo);
var navigationEntity = new Model.Navigation(new GlobalNavigation(globalNavigationType,
globalNavigationType == GlobalNavigationType.Structural ? GetGlobalStructuralNavigation(web, navigationSettings, template, creationInfo) : null,
globalNavigationType == GlobalNavigationType.Managed ? GetGlobalManagedNavigation(web, navigationSettings, template, creationInfo) : null),
new CurrentNavigation(currentNavigationType,
currentNavigationType == CurrentNavigationType.Structural | currentNavigationType == CurrentNavigationType.StructuralLocal ? GetCurrentStructuralNavigation(web, navigationSettings, template, creationInfo) : null,
currentNavigationType == CurrentNavigationType.Managed ? GetCurrentManagedNavigation(web, navigationSettings, template, creationInfo) : null),
(searchNavigation != null && searchNavigation.NavigationNodes.Any()) ? searchNavigation : null);
navigationEntity.AddNewPagesToNavigation = navigationSettings.AddNewPagesToNavigation;
navigationEntity.CreateFriendlyUrlsForNewPages = navigationSettings.CreateFriendlyUrlsForNewPages;
// If a base template is specified then use that one to "cleanup" the generated template model
if (creationInfo.BaseTemplate != null)
{
if (!navigationEntity.Equals(creationInfo.BaseTemplate.Navigation))
{
template.Navigation = navigationEntity;
}
}
else
{
template.Navigation = navigationEntity;
}
}
return(template);
}