Page workflow and versioning

// Gets a page named 'On Roasts'
TreeNode page = DocumentHelper.GetDocuments()
	.WhereEquals("DocumentName", "On Roasts")
	.OnSite("DancingGoat")
	.Culture("en-us")
	.FirstObject;

	// Checks if the page isn't already checked-out
	if (!page.IsCheckedOut)
	{
		// Checks out the page
		page.CheckOut();
	}

// Gets a page named 'On Roasts'
TreeNode page = DocumentHelper.GetDocuments()
	.WhereEquals("DocumentName", "On Roasts")
	.OnSite("DancingGoat")
	.Culture("en-us")
	.FirstObject;

// Checks if the page is checked-out
if (page.IsCheckedOut)
{
	// Checks in the page
	page.CheckIn();
}

// Gets a page named 'On Roasts'
TreeNode page = DocumentHelper.GetDocuments()
	.WhereEquals("DocumentName", "On Roasts")
	.OnSite("DancingGoat")
	.Culture("en-us")
	.FirstObject;

// Checks if the page is checked-out
if (page.IsCheckedOut)
{
	// Undoes the checkout
	page.UndoCheckOut();
}

// Gets an article page named 'On Roasts'
TreeNode page = DocumentHelper.GetDocuments("DancingGoat.Article")
	.WhereEquals("DocumentName", "On Roasts")
	.OnSite("DancingGoat")
	.Culture("en-us")
	.FirstObject;

// Note: When updating pages under workflow or versioning, always retrieve pages with all columns to avoid data loss.
// Either call the 'GetDocuments' method with a class name parameter for a specific page type,
// or specify the page types using the 'Types' method and then call 'WithCoupledColumns'.

// Checks whether the page is already checked-out
if (!page.IsCheckedOut)
{
	// Checks out the page
	page.CheckOut();

	// Sets new values for the 'DocumentName' and 'ArticleTitle' fields
	page.DocumentName = "Updated article name";
	page.SetValue("ArticleTitle", "Updated article title");

	// Updates the page in the database
	page.Update();

	// Checks in the page
	page.CheckIn();
}

// Gets the latest edited version of article pages stored under the '/Articles/' path
// The pages are retrieved from the Dancing Goat site and in the "en-us" culture
var pages = DocumentHelper.GetDocuments()
	.Types("DancingGoat.Article")
	.Path("/Articles/", PathTypeEnum.Children)
	.WhereLike("DocumentName", "Coffee%")
	.OnSite("DancingGoat")
	.Culture("en-us")
	.WithCoupledColumns();

// Note: When updating pages under workflow or versioning, always retrieve pages with all columns to avoid data loss.
// Either call the 'GetDocuments' method with a class name parameter for a specific page type,
// or specify the page types using the 'Types' method and then call 'WithCoupledColumns'.

// Updates the "DocumentName" and "ArticleTitle" fields of each retrieved page
foreach (TreeNode page in pages)
{
	// Checks whether the page is already checked-out
	if (!page.IsCheckedOut)
	{
		// Checks out the page
		page.CheckOut();

		page.DocumentName = "Updated article name";
		page.SetValue("ArticleTitle", "Updated article title");

		// Updates the page in the database
		page.Update();

		// Checks in the page
		page.CheckIn();
	}				  
}

// Creates a new instance of the Tree provider
TreeProvider tree = new TreeProvider(MembershipContext.AuthenticatedUser);

// Gets a page named 'On Roasts'
TreeNode page = DocumentHelper.GetDocuments()
	.WhereEquals("DocumentName", "On Roasts")
	.OnSite("DancingGoat")
	.Culture("en-us")
	.FirstObject;

// Gets the page's workflow
WorkflowManager workflowManager = WorkflowManager.GetInstance(tree);
WorkflowInfo workflow = workflowManager.GetNodeWorkflow(page);

// Checks if the page uses workflow
if (workflow != null)
{
	// Checks if the page doesn't use automatic publishing. If it is, the page cannot change workflow steps.
	if (!workflow.WorkflowAutoPublishChanges)
	{
		// Checks if the current user can move the page to the next step.
		if (workflowManager.CheckStepPermissions(page, WorkflowActionEnum.Approve))
		{
			// Based on current workflow step, the page is sent for approval, approved, or published
			page.MoveToNextStep();
			// If the page is published, rejects the page
			page.MoveToPreviousStep();
			// Moves the page to the first workflow step
			page.MoveToFirstStep();
		}
	}
}

// Creates a new instance of the Tree provider
TreeProvider tree = new TreeProvider(MembershipContext.AuthenticatedUser);

// Gets a page named 'On Roasts'
TreeNode page = DocumentHelper.GetDocuments()
	.WhereEquals("DocumentName", "On Roasts")
	.OnSite("DancingGoat")
	.Culture("en-us")
	.FirstObject;


// Gets the page's workflow
WorkflowManager workflowManager = WorkflowManager.GetInstance(tree);
WorkflowInfo workflow = workflowManager.GetNodeWorkflow(page);

// Checks if the page uses workflow
if (workflow != null)
{
	// Publishes the page with a comment. There needs to be only one workflow path to the Published step.
	page.Publish("Review finished, publishing page.");
}

// Creates a new instance of the Tree provider
TreeProvider tree = new TreeProvider(MembershipContext.AuthenticatedUser);

// Gets a page named 'On Roasts'
TreeNode page = DocumentHelper.GetDocuments()
	.WhereEquals("DocumentName", "On Roasts")
	.OnSite("DancingGoat")
	.Culture("en-us")
	.FirstObject;


// Gets the page's workflow
WorkflowManager workflowManager = WorkflowManager.GetInstance(tree);
WorkflowInfo workflow = workflowManager.GetNodeWorkflow(page);

// Checks if the page uses workflow
if (workflow != null)
{
	// Archives the page with a comment
	page.Archive("The page is obsolete, archiving.");
}

TreeProvider tree = new TreeProvider(MembershipContext.AuthenticatedUser);

// Gets a page named 'On Roasts'
var page = DocumentHelper.GetDocuments()
	.WhereEquals("DocumentName", "On Roasts")
	.OnSite("DancingGoat")
	.Culture("en-us")
	.FirstObject;

var versionHistory = VersionHistoryInfoProvider.GetVersionHistories()
	.WhereEquals("DocumentID", page.DocumentID)
	.Columns("VersionHistoryID")
	.OrderByAscending("VersionHistoryID") // Makes sure the oldest version of the page is on the top of the results
	.Result; // Returns the data in the form of a DataSet

if (versionHistory != null)
{
	// Creates a new version history object
	VersionHistoryInfo version = new VersionHistoryInfo(versionHistory.Tables[0].Rows[0]);

	VersionManager versionManager = VersionManager.GetInstance(tree);

	// Rolls back the specific page version
	page.VersionManager.RollbackVersion(version.VersionHistoryID);
}

TreeProvider tree = new TreeProvider(MembershipContext.AuthenticatedUser);

// Gets a page named 'On Roasts'
var page = DocumentHelper.GetDocuments()
	.WhereEquals("DocumentName", "On Roasts")
	.OnSite("DancingGoat")
	.Culture("en-us")
	.FirstObject;

var versionHistory = VersionHistoryInfoProvider.GetVersionHistories()
	.WhereEquals("DocumentID", page.DocumentID)
	.Columns("VersionHistoryID")
	.OrderByDescending("VersionHistoryID") // Makes sure the latest version of the page is on the top of the results
	.Result; // Returns the data in the form of a DataSet

if (versionHistory != null)
{
	// Creates a new version history object
	VersionHistoryInfo version = new VersionHistoryInfo(versionHistory.Tables[0].Rows[0]);

	VersionManager versionManager = VersionManager.GetInstance(tree);

	// Deletes the specific page version
	page.VersionManager.DestroyDocumentVersion(version.VersionHistoryID);
}

TreeProvider tree = new TreeProvider(MembershipContext.AuthenticatedUser);

// Gets a page named 'On Roasts'
var page = DocumentHelper.GetDocuments()
	.WhereEquals("DocumentName", "On Roasts")
	.OnSite("DancingGoat")
	.Culture("en-us")
	.FirstObject;

VersionManager versionManager = VersionManager.GetInstance(tree);

// Destroys the page history
versionManager.DestroyDocumentHistory(page.DocumentID);

// Creates a new instance of the Tree provider
TreeProvider tree = new TreeProvider(MembershipContext.AuthenticatedUser);

// Gets the current site's root "/" page, which will serve as the parent page
TreeNode parentPage = tree.SelectNodes()
	.Path("/")
	.OnCurrentSite()
	.Culture("en-us")
	.FirstObject;

if (parentPage != null)
{
	// Creates a new page of the "CMS.MenuItem" page type
	TreeNode newPage = TreeNode.New(SystemDocumentTypes.MenuItem, tree);

	// Sets the properties of the new page
	newPage.DocumentName = "Articles";
	newPage.DocumentCulture = "en-us";

	// Inserts the new page as a child of the parent page
	newPage.Insert(parentPage);

	// Manually publishes the page as the page is not using content locking
	newPage.MoveToPublishedStep();
}

// Gets an article page named 'On Roasts'
TreeNode page = DocumentHelper.GetDocuments("DancingGoat.Article")
	.WhereEquals("DocumentName", "On Roasts")
	.OnSite("DancingGoat")
	.Culture("en-us")
	.FirstObject;

// Note: When updating pages under workflow or versioning, always retrieve pages with all columns to avoid data loss.
// Either call the 'GetDocuments' method with a class name parameter for a specific page type,
// or specify the page types using the 'Types' method and then call 'WithCoupledColumns'.

// Ensures that a new version of the updated page is created (relevant even when not using content locking)
page.CheckOut();

// Sets new value to the 'DocumentName' and 'ArticleTitle'
page.DocumentName = "Updated article name";
page.SetValue("ArticleTitle", "Updated article title");

// Updates the page in the database
page.Update();

// Creates a new version of the updated page
page.CheckIn();