/// <summary>
/// Deletes the page.
/// </summary>
/// <param name="model">The model.</param>
/// <param name="principal">The principal.</param>
/// <param name="messages">The messages.</param>
/// <returns>
/// Delete result
/// </returns>
/// <exception cref="ConcurrentDataException"></exception>
/// <exception cref="System.ComponentModel.DataAnnotations.ValidationException">
/// </exception>
public bool DeletePage(DeletePageViewModel model, IPrincipal principal, IMessagesIndicator messages = null)
{
var languagesFuture = repository.AsQueryable <Language>().ToFuture();
var page = repository
.AsQueryable <PageProperties>(p => p.Id == model.PageId)
.FetchMany(p => p.PageContents)
.ThenFetch(pc => pc.Content)
.ToFuture()
.FirstOne();
if (model.Version > 0 && page.Version != model.Version)
{
throw new ConcurrentDataException(page);
}
if (page.IsMasterPage && repository.AsQueryable <MasterPage>(mp => mp.Master == page).Any())
{
var message = PagesGlobalization.DeletePageCommand_MasterPageHasChildren_Message;
var logMessage = string.Format("Failed to delete page. Page is selected as master page. Id: {0} Url: {1}", page.Id, page.PageUrl);
throw new ValidationException(() => message, logMessage);
}
var isRedirectInternal = false;
if (!string.IsNullOrWhiteSpace(model.RedirectUrl))
{
isRedirectInternal = urlService.ValidateInternalUrl(model.RedirectUrl);
if (!isRedirectInternal && urlService.ValidateInternalUrl(urlService.FixUrl(model.RedirectUrl)))
{
isRedirectInternal = true;
}
if (isRedirectInternal)
{
model.RedirectUrl = urlService.FixUrl(model.RedirectUrl);
}
}
if (model.UpdateSitemap)
{
accessControlService.DemandAccess(principal, RootModuleConstants.UserRoles.EditContent);
}
var sitemaps = new Dictionary <Sitemap, bool>();
var sitemapNodes = sitemapService.GetNodesByPage(page);
if (model.UpdateSitemap)
{
sitemapNodes.Select(node => node.Sitemap)
.Distinct()
.ToList()
.ForEach(
sitemap =>
sitemaps.Add(
sitemap,
!cmsConfiguration.Security.AccessControlEnabled || accessControlService.GetAccessLevel(sitemap, principal) == AccessLevel.ReadWrite));
foreach (var node in sitemapNodes)
{
if (sitemaps[node.Sitemap] && node.ChildNodes.Count > 0)
{
var logMessage = string.Format("In {0} sitemap node {1} has {2} child nodes.", node.Sitemap.Id, node.Id, node.ChildNodes.Count);
throw new ValidationException(() => PagesGlobalization.DeletePageCommand_SitemapNodeHasChildNodes_Message, logMessage);
}
}
}
unitOfWork.BeginTransaction();
// Update sitemap nodes
IList <SitemapNode> updatedNodes = new List <SitemapNode>();
IList <SitemapNode> deletedNodes = new List <SitemapNode>();
UpdateSitemapNodes(model, page, sitemapNodes, sitemaps, languagesFuture.ToList(), updatedNodes, deletedNodes);
Redirect redirect;
if (!string.IsNullOrWhiteSpace(model.RedirectUrl))
{
if (string.Equals(page.PageUrl, model.RedirectUrl, StringComparison.OrdinalIgnoreCase))
{
var logMessage = string.Format("Circular redirect loop from url {0} to url {0}.", model.RedirectUrl);
throw new ValidationException(() => PagesGlobalization.ValidatePageUrlCommand_SameUrlPath_Message, logMessage);
}
// Validate url
if (!urlService.ValidateExternalUrl(model.RedirectUrl))
{
var logMessage = string.Format("Invalid redirect url {0}.", model.RedirectUrl);
throw new ValidationException(() => PagesGlobalization.ValidatePageUrlCommand_InvalidUrlPath_Message, logMessage);
}
string patternsValidationMessage;
if (isRedirectInternal &&
!urlService.ValidateUrlPatterns(model.RedirectUrl, out patternsValidationMessage, PagesGlobalization.DeletePage_RedirectUrl_Name))
{
var logMessage = string.Format("{0}. URL: {1}.", patternsValidationMessage, model.RedirectUrl);
throw new ValidationException(() => patternsValidationMessage, logMessage);
}
redirect = redirectService.GetPageRedirect(page.PageUrl);
if (redirect != null)
{
redirect.RedirectUrl = model.RedirectUrl;
}
else
{
redirect = redirectService.CreateRedirectEntity(page.PageUrl, model.RedirectUrl);
}
if (redirect != null)
{
repository.Save(redirect);
}
}
else
{
redirect = null;
}
// Delete child entities.
if (page.PageTags != null)
{
foreach (var pageTag in page.PageTags)
{
repository.Delete(pageTag);
}
}
var deletedPageContents = new List <PageContent>();
var htmlContentsToDelete = new List <HtmlContent>();
if (page.PageContents != null)
{
foreach (var pageContent in page.PageContents)
{
// If content is HTML content, delete HTML content
var htmlContent = pageContent.Content as HtmlContent;
if (htmlContent != null)
{
var draft = pageContent.Content.History != null?pageContent.Content.History.FirstOrDefault(c => c.Status == ContentStatus.Draft) : null;
if (draft != null)
{
repository.Delete(draft);
}
repository.Delete(htmlContent);
htmlContentsToDelete.Add(htmlContent);
}
repository.Delete(pageContent);
deletedPageContents.Add(pageContent);
}
}
if (page.Options != null)
{
foreach (var option in page.Options)
{
repository.Delete(option);
}
}
if (page.AccessRules != null)
{
var rules = page.AccessRules.ToList();
rules.ForEach(page.RemoveRule);
}
if (page.MasterPages != null)
{
foreach (var master in page.MasterPages)
{
repository.Delete(master);
}
}
// Delete page
repository.Delete <Root.Models.Page>(page);
// Commit
unitOfWork.Commit();
var updatedSitemaps = new List <Sitemap>();
foreach (var node in updatedNodes)
{
Events.SitemapEvents.Instance.OnSitemapNodeUpdated(node);
if (!updatedSitemaps.Contains(node.Sitemap))
{
updatedSitemaps.Add(node.Sitemap);
}
}
foreach (var node in deletedNodes)
{
Events.SitemapEvents.Instance.OnSitemapNodeDeleted(node);
if (!updatedSitemaps.Contains(node.Sitemap))
{
updatedSitemaps.Add(node.Sitemap);
}
}
foreach (var updatedSitemap in updatedSitemaps)
{
Events.SitemapEvents.Instance.OnSitemapUpdated(updatedSitemap);
}
// Notifying about redirect created
if (redirect != null)
{
Events.PageEvents.Instance.OnRedirectCreated(redirect);
}
// Notify about deleted page contents
foreach (var deletedPageContent in deletedPageContents)
{
Events.PageEvents.Instance.OnPageContentDeleted(deletedPageContent);
}
// Notify about deleted html contents
foreach (var htmlContent in htmlContentsToDelete)
{
Events.PageEvents.Instance.OnHtmlContentDeleted(htmlContent);
}
// Notifying, that page is deleted.
Events.PageEvents.Instance.OnPageDeleted(page);
if (sitemaps.Any(tuple => !tuple.Value) && messages != null)
{
// Some sitemaps where skipped, because user has no permission to edit.
messages.AddSuccess(PagesGlobalization.DeletePage_SitemapSkipped_Message);
}
return(true);
}
/// <summary>
/// Executes the specified request.
/// </summary>
/// <param name="request">The request.</param>
/// <returns></returns>
/// <exception cref="ConcurrentDataException"></exception>
/// <exception cref="System.ComponentModel.DataAnnotations.ValidationException">
/// </exception>
public virtual bool Execute(DeletePageViewModel request)
{
var page = Repository.First <PageProperties>(request.PageId);
if (page.Version != request.Version)
{
throw new ConcurrentDataException(page);
}
if (page.IsMasterPage && Repository.AsQueryable <MasterPage>(mp => mp.Master == page).Any())
{
var message = PagesGlobalization.DeletePageCommand_MasterPageHasChildren_Message;
var logMessage = string.Format("Failed to delete page. Page is selected as master page. Id: {0} Url: {1}", page.Id, page.PageUrl);
throw new ValidationException(() => message, logMessage);
}
request.RedirectUrl = urlService.FixUrl(request.RedirectUrl);
if (request.UpdateSitemap)
{
AccessControlService.DemandAccess(Context.Principal, RootModuleConstants.UserRoles.EditContent);
}
var sitemaps = new Dictionary <Models.Sitemap, bool>();
var sitemapNodes = sitemapService.GetNodesByPage(page);
if (request.UpdateSitemap)
{
sitemapNodes.Select(node => node.Sitemap)
.Distinct()
.ToList()
.ForEach(
sitemap =>
sitemaps.Add(
sitemap,
!cmsConfiguration.Security.AccessControlEnabled || AccessControlService.GetAccessLevel(sitemap, Context.Principal) == AccessLevel.ReadWrite));
foreach (var node in sitemapNodes)
{
if (sitemaps[node.Sitemap] && node.ChildNodes.Count > 0)
{
var logMessage = string.Format("In {0} sitemap node {1} has {2} child nodes.", node.Sitemap.Id, node.Id, node.ChildNodes.Count);
throw new ValidationException(() => PagesGlobalization.DeletePageCommand_SitemapNodeHasChildNodes_Message, logMessage);
}
}
}
UnitOfWork.BeginTransaction();
IList <SitemapNode> updatedNodes = new List <SitemapNode>();
IList <SitemapNode> deletedNodes = new List <SitemapNode>();
if (sitemapNodes != null)
{
// Archive sitemaps before update.
sitemaps.Select(pair => pair.Key).ToList().ForEach(sitemap => sitemapService.ArchiveSitemap(sitemap.Id));
foreach (var node in sitemapNodes)
{
if (!node.IsDeleted)
{
if (request.UpdateSitemap && sitemaps[node.Sitemap])
{
// Delete sitemap node.
sitemapService.DeleteNode(node, ref deletedNodes);
}
else
{
// Unlink sitemap node.
if (node.Page != null && node.Page.Id == page.Id)
{
node.Page = null;
node.Url = page.PageUrl;
node.UrlHash = page.PageUrlHash;
Repository.Save(node);
updatedNodes.Add(node);
}
}
}
}
}
if (!string.IsNullOrWhiteSpace(request.RedirectUrl))
{
if (string.Equals(page.PageUrl, request.RedirectUrl, StringComparison.OrdinalIgnoreCase))
{
var logMessage = string.Format("Circular redirect loop from url {0} to url {0}.", request.RedirectUrl);
throw new ValidationException(() => PagesGlobalization.ValidatePageUrlCommand_SameUrlPath_Message, logMessage);
}
// Validate url
if (!urlService.ValidateUrl(request.RedirectUrl))
{
var logMessage = string.Format("Invalid redirect url {0}.", request.RedirectUrl);
throw new ValidationException(() => PagesGlobalization.ValidatePageUrlCommand_InvalidUrlPath_Message, logMessage);
}
string patternsValidationMessage;
if (!urlService.ValidateUrlPatterns(request.RedirectUrl, out patternsValidationMessage, PagesGlobalization.DeletePage_RedirectUrl_Name))
{
var logMessage = string.Format("{0}. URL: {1}.", patternsValidationMessage, request.RedirectUrl);
throw new ValidationException(() => patternsValidationMessage, logMessage);
}
var redirect = redirectService.GetPageRedirect(page.PageUrl);
if (redirect != null)
{
redirect.RedirectUrl = request.RedirectUrl;
}
else
{
redirect = redirectService.CreateRedirectEntity(page.PageUrl, request.RedirectUrl);
}
if (redirect != null)
{
Repository.Save(redirect);
}
}
// Delete child entities.
if (page.PageTags != null)
{
foreach (var pageTag in page.PageTags)
{
Repository.Delete(pageTag);
}
}
if (page.PageContents != null)
{
foreach (var pageContent in page.PageContents)
{
Repository.Delete(pageContent);
}
}
if (page.Options != null)
{
foreach (var option in page.Options)
{
Repository.Delete(option);
}
}
if (page.AccessRules != null)
{
var rules = page.AccessRules.ToList();
rules.ForEach(page.RemoveRule);
}
if (page.MasterPages != null)
{
foreach (var master in page.MasterPages)
{
Repository.Delete(master);
}
}
// Delete page
Repository.Delete <Root.Models.Page>(request.PageId, request.Version);
// Commit
UnitOfWork.Commit();
var updatedSitemaps = new List <Models.Sitemap>();
foreach (var node in updatedNodes)
{
Events.SitemapEvents.Instance.OnSitemapNodeUpdated(node);
if (!updatedSitemaps.Contains(node.Sitemap))
{
updatedSitemaps.Add(node.Sitemap);
}
}
foreach (var node in deletedNodes)
{
Events.SitemapEvents.Instance.OnSitemapNodeDeleted(node);
if (!updatedSitemaps.Contains(node.Sitemap))
{
updatedSitemaps.Add(node.Sitemap);
}
}
foreach (var updatedSitemap in updatedSitemaps)
{
Events.SitemapEvents.Instance.OnSitemapUpdated(updatedSitemap);
}
// Notifying, that page is deleted.
Events.PageEvents.Instance.OnPageDeleted(page);
if (sitemaps.Any(tuple => !tuple.Value))
{
// Some sitemaps where skipped, because user has no permission to edit.
Context.Messages.AddSuccess(PagesGlobalization.DeletePage_SitemapSkipped_Message);
}
return(true);
}
