private async Task <IEnumerable <NavigationBarContentTab> > GetContentTabs(NavigationBarElementSettings settings, long pageId)
{
// Get details of pages that are referenced by navigation tabs
IEnumerable <long> pageIds = Enumerable.Concat(settings.Tabs.Select(t => t.PageId), settings.Tabs.SelectMany(t => t.Tabs).Select(t => t.PageId)).Distinct();
IEnumerable <Page> pages = await _pageService.ListPagesAsync(settings.TenantId, pageIds);
IDictionary <long, Page> pagesById = pages.ToDictionary(p => p.PageId, p => p);
// Get the current page hierarchy
IEnumerable <Page> currentPageHierarchy = await _pageService.ListPagesInHierarchyAsync(settings.TenantId, pageId);
// Get content tabs
return(GetContentTabs(pagesById, currentPageHierarchy, settings.Tabs));
}
public async Task <IElementView <NavigationBarElementSettings, NavigationBarElementContent> > ReadElementViewAsync(long tenantId, long elementId, IPageContext context)
{
NavigationBarElementSettings settings = await _elementRepository.ReadElementSettingsAsync(tenantId, elementId);
if (settings == null)
{
return(null);
}
NavigationBarElementContent content = new NavigationBarElementContent
{
Tabs = await GetContentTabs(settings, context.PageId)
};
return(new ElementView <NavigationBarElementSettings, NavigationBarElementContent>
{
Settings = settings,
Content = content
});
}