/// <summary>
/// Gets page from database manager result.
/// </summary>
/// <param name="dbm">Database manager.</param>
/// <param name="loadZonesAndElements">Indicates depth of data load.</param>
/// <param name="loadTags">Indicates whether tags should be loaded.</param>
/// <returns>Page (or null if page not found).</returns>
private Page GetPage(IDatabaseManager dbm, bool loadZonesAndElements, bool loadTags)
{
// Get layout
if (loadZonesAndElements && !dbm.Read())
{
return(null);
}
Page page = GetPageFromDatabaseManager(dbm);
// Move data reader on?
if (loadZonesAndElements || loadTags)
{
dbm.Read();
}
// Get page zones?
if (loadZonesAndElements)
{
Dictionary <long, PageZone> pageZonesById = new Dictionary <long, PageZone>();
while (dbm.Read())
{
PageZone pageZone = GetPageZoneFromDatabaseManager(dbm);
page.PageZones.Add(pageZone);
pageZonesById.Add(pageZone.PageZoneId, pageZone);
}
// Get page zone elements
while (dbm.Read())
{
PageZoneElement pageZoneElement = GetPageZoneElementFromDatabaseManager(dbm);
pageZonesById[pageZoneElement.PageZoneId].PageZoneElements.Add(pageZoneElement);
}
}
// Get tags??
if (loadTags)
{
while (dbm.Read())
{
page.Tags.Add(GetTagFromDatabaseManager(dbm));
}
}
// Return the result
return(page);
}
/// <summary>
/// Updates a configurable page zone. Creates new elements and removes old elements. Re-orders existing elements.
/// </summary>
/// <param name="tenantId">Website that page belongs to.</param>
/// <param name="pageId">Page identifier.</param>
/// <param name="pageZoneId">Page zone identifier.</param>
/// <param name="pageZoneElements">New page zone contents.</param>
/// <param name="unitOfWork">Unit of work.</param>
public void UpdateZone(long tenantId, long pageId, long pageZoneId, List <PageZoneElementInfo> pageZoneElements, IUnitOfWork unitOfWork = null)
{
// If we don't have a unit of work in place, create one now so that we can rollback all changes in case of failure
IUnitOfWork localUnitOfWork = unitOfWork == null?_unitOfWorkFactory.CreateUnitOfWork() : null;
// Do the page update
try
{
// Get page, master page and page zone that we administering
Page page = Read(tenantId, pageId, unitOfWork ?? localUnitOfWork);
MasterPage masterPage = _masterPageService.Read(tenantId, page.MasterPageId, unitOfWork ?? localUnitOfWork);
PageZone pageZone = page.PageZones.Where(z => z.PageZoneId == pageZoneId).FirstOrDefault();
// Perform validation
_pageValidator.ValidateUpdateZone(masterPage, page, pageZoneId, pageZoneElements);
// Construct new list of page zone elements
List <PageZoneElement> newPageZoneElements = new List <PageZoneElement>();
foreach (PageZoneElementInfo info in pageZoneElements)
{
// Create new page zone element?
if (info.PageZoneElementId == 0)
{
IElementSettings element = _elementService.New(tenantId, info.ElementTypeId);
element.Name = info.Name;
long elementId = _elementService.Create(element, unitOfWork ?? localUnitOfWork);
newPageZoneElements.Add(new PageZoneElement
{
TenantId = tenantId,
PageId = pageId,
PageZoneId = pageZoneId,
PageZoneElementId = 0,
SortOrder = info.SortOrder,
ElementTypeId = info.ElementTypeId,
ElementId = elementId,
Element = element
});
}
// Update existing page zone element?
if (info.PageZoneElementId != 0)
{
IElementSettings element = _elementService.New(tenantId, info.ElementTypeId);
element.Name = info.Name;
PageZoneElement pageZoneElement = pageZone.PageZoneElements.Where(e => e.PageZoneElementId == info.PageZoneElementId).First();
pageZoneElement.SortOrder = info.SortOrder;
pageZoneElement.Element = element;
newPageZoneElements.Add(pageZoneElement);
}
}
// Do the page zone element update
_pageRepository.UpdatePageZoneElements(tenantId, pageId, pageZoneId, newPageZoneElements, unitOfWork ?? localUnitOfWork);
// Get elements that might be removed
List <ElementKeyValue> elementsToDelete = new List <ElementKeyValue>();
foreach (PageZoneElement pageZoneElement in pageZone.PageZoneElements)
{
PageZoneElementInfo pageZoneElementInfo = pageZoneElements.Where(e => e.PageZoneElementId == pageZoneElement.PageZoneElementId).FirstOrDefault();
if (pageZoneElementInfo == null)
{
elementsToDelete.Add(new ElementKeyValue {
ElementId = pageZoneElement.ElementId, ElementTypeId = pageZoneElement.ElementTypeId
});
}
}
// Delete elements if no longer in use
foreach (ElementKeyValue elementKeyValue in elementsToDelete)
{
if (!ElementInUse(tenantId, elementKeyValue.ElementId, unitOfWork ?? localUnitOfWork))
{
_elementService.Delete(tenantId, elementKeyValue.ElementTypeId, elementKeyValue.ElementId, unitOfWork ?? localUnitOfWork);
}
}
// Commit work if local unit of work in place
if (localUnitOfWork != null)
{
localUnitOfWork.Commit();
}
}
catch (ValidationErrorException)
{
if (localUnitOfWork != null)
{
localUnitOfWork.Rollback();
}
throw;
}
catch (Exception ex)
{
if (localUnitOfWork != null)
{
localUnitOfWork.Rollback();
}
throw new ValidationErrorException(new ValidationError(null, ApplicationResource.UnexpectedErrorMessage), ex);
}
}
/// <summary>
/// Creates a new page.
/// </summary>
/// <param name="tenantId">The website that created page will belong to.</param>
/// <param name="parentPageId">Parent page (can be null if page has no parent - i.e. is home page, or if can be determined).</param>
/// <param name="masterpageId">The master page that newly created page is based on.</param>
/// <param name="pageInfo">If specified, used to override master page settings.</param>
/// <param name="unitOfWork">Unit of work.</param>
/// <returns>Newly allocated page identifier.</returns>
public long Create(long tenantId, long?parentPageId, long masterPageId, PageInfo pageInfo, IUnitOfWork unitOfWork = null)
{
// Multiple actions are performed during page creation, so we need a unit of work to perform rollback if any failures occur
IUnitOfWork localUnitOfWork = unitOfWork == null?_unitOfWorkFactory.CreateUnitOfWork() : null;
try
{
// Get master page that will determine how new page is created
MasterPage masterPage = _masterPageRepository.Read(tenantId, masterPageId, unitOfWork ?? localUnitOfWork);
// Get valid parent pages
List <Page> parentPages = null;
if (masterPage.AncestorPageId.HasValue && masterPage.AncestorPageLevel.HasValue)
{
parentPages = ListMasterPageParentPages(masterPage, unitOfWork ?? localUnitOfWork);
}
// Validate the page create request (including checking that all or none of the image upload properties are specified)
_pageValidator.ValidateCreate(tenantId, parentPageId, pageInfo, parentPages);
// Set parent page identifier?
if (parentPageId == null && masterPage.AncestorPageId.HasValue && masterPage.AncestorPageLevel.HasValue)
{
parentPageId = parentPages[0].PageId;
}
// Construct new page based on master page definition
DateTime now = DateTime.UtcNow;
Page page = new Page
{
Created = now,
Description = pageInfo == null ? masterPage.PageDescription : pageInfo.Description,
MasterPageId = masterPageId,
Name = pageInfo == null ? masterPage.PageName : pageInfo.Name,
Occurred = masterPage.HasOccurred ? DateTime.UtcNow.Date : (DateTime?)null,
ParentPageId = parentPageId,
Updated = now,
TenantId = tenantId,
PageZones = new List <PageZone>(),
Tags = pageInfo == null ? new List <Tag>() : pageInfo.Tags,
ImageTenantId = pageInfo == null ? null : pageInfo.ImageTenantId,
ThumbnailImageUploadId = pageInfo == null ? null : pageInfo.ThumbnailImageUploadId,
PreviewImageUploadId = pageInfo == null ? null : pageInfo.PreviewImageUploadId,
ImageUploadId = pageInfo == null ? null : pageInfo.ImageUploadId
};
// Construct page zones
foreach (MasterPageZone masterPageZone in masterPage.MasterPageZones)
{
if (masterPageZone.AdminType != MasterPageZoneAdminType.Static)
{
PageZone pageZone = new PageZone
{
TenantId = tenantId,
MasterPageId = masterPageId,
MasterPageZoneId = masterPageZone.MasterPageZoneId,
PageZoneElements = new List <PageZoneElement>()
};
foreach (MasterPageZoneElement masterPageZoneElement in masterPageZone.MasterPageZoneElements)
{
long elementId = _elementService.Copy(tenantId, masterPageZoneElement.ElementId, tenantId, masterPageZoneElement.Element.ElementTypeId, unitOfWork ?? localUnitOfWork);
PageZoneElement pageZoneElement = new PageZoneElement
{
TenantId = tenantId,
ElementTypeId = masterPageZoneElement.Element.ElementTypeId,
ElementId = elementId,
Parent = pageZone
};
if (masterPageZone.AdminType == MasterPageZoneAdminType.Configurable)
{
pageZoneElement.SortOrder = masterPageZoneElement.SortOrder;
}
if (masterPageZone.AdminType == MasterPageZoneAdminType.Editable)
{
pageZoneElement.MasterPageId = masterPageId;
pageZoneElement.MasterPageZoneId = masterPageZone.MasterPageZoneId;
pageZoneElement.MasterPageZoneElementId = masterPageZoneElement.MasterPageZoneElementId;
}
pageZone.PageZoneElements.Add(pageZoneElement);
}
page.PageZones.Add(pageZone);
}
}
// Commit page images?
if (page.ImageUploadId.HasValue)
{
_uploadService.Commit(page.ImageTenantId.Value, page.ThumbnailImageUploadId.Value, GetPageImageStorageHierarchy(), unitOfWork ?? localUnitOfWork);
_uploadService.Commit(page.ImageTenantId.Value, page.PreviewImageUploadId.Value, GetPageImageStorageHierarchy(), unitOfWork ?? localUnitOfWork);
_uploadService.Commit(page.ImageTenantId.Value, page.ImageUploadId.Value, GetPageImageStorageHierarchy(), unitOfWork ?? localUnitOfWork);
}
// Create page and return newly allocated page identifier
page.PageId = _pageRepository.Create(page, unitOfWork ?? localUnitOfWork);
// Update page tags?
if (masterPage.Taggable)
{
_pageRepository.UpdateTags(page, unitOfWork ?? localUnitOfWork);
}
// Commit work if local unit of work in place, then return newly allocated page identifier
if (localUnitOfWork != null)
{
localUnitOfWork.Commit();
}
return(page.PageId);
}
catch (ValidationErrorException)
{
if (localUnitOfWork != null)
{
localUnitOfWork.Rollback();
}
throw;
}
catch (Exception ex)
{
if (localUnitOfWork != null)
{
localUnitOfWork.Rollback();
}
throw new ValidationErrorException(new ValidationError(null, ApplicationResource.UnexpectedErrorMessage), ex);
}
finally
{
if (localUnitOfWork != null)
{
localUnitOfWork.Dispose();
}
}
}
/// <summary>
/// Validates update of page zone.
/// </summary>
/// <param name="masterPage">Master page associated with page whose zone is being updated.</param>
/// <param name="page">Page whose zone is being updated.</param>
/// <param name="pageZoneId">Identifier of page zone being updated.</param>
/// <param name="pageZoneElements">Determines the content in a page zone.</param>
/// <param name="keyPrefix">Validation key prefix.</param>
public void ValidateUpdateZone(MasterPage masterPage, Page page, long pageZoneId, List <PageZoneElementInfo> pageZoneElements, string keyPrefix = null)
{
// Check that at least one item of content is specified
if (pageZoneElements == null || pageZoneElements.Count == 0)
{
throw new ValidationErrorException(new ValidationError(null, PageResource.PageZoneElementsRequiredMessage));
}
// Check page zone exists
PageZone pageZone = page.PageZones.Where(z => z.PageZoneId == pageZoneId).FirstOrDefault();
if (pageZone == null)
{
throw new ValidationErrorException(new ValidationError(null, PageResource.PageZoneInvalidMessage));
}
// Check master page zone exists
MasterPageZone masterPageZone = masterPage.MasterPageZones.Where(z => z.MasterPageZoneId == pageZone.MasterPageZoneId).FirstOrDefault();
if (masterPageZone == null)
{
throw new ValidationErrorException(new ValidationError(null, PageResource.PageZoneInvalidMessage));
}
// Check that master page zone is configurable
if (masterPageZone.AdminType != MasterPageZoneAdminType.Configurable)
{
throw new ValidationErrorException(new ValidationError(null, PageResource.PageZoneInvalidMessage));
}
// Check that element types in update request match allowed element types in zone configuration
Dictionary <Guid, MasterPageZoneElementType> elementTypesById = masterPageZone.MasterPageZoneElementTypes.GroupBy(t => t.ElementTypeId).ToDictionary(t => t.Key, t => t.First());
foreach (PageZoneElementInfo pageZoneElementInfo in pageZoneElements)
{
if (!elementTypesById.ContainsKey(pageZoneElementInfo.ElementTypeId))
{
throw new ValidationErrorException(new ValidationError(null, PageResource.PageZoneInvalidMessage));
}
}
// Check that element names are all specified
foreach (PageZoneElementInfo pageZoneElementInfo in pageZoneElements)
{
if (string.IsNullOrWhiteSpace(pageZoneElementInfo.Name))
{
throw new ValidationErrorException(new ValidationError(null, PageResource.PageZoneElementNameRequiredMessage));
}
if (pageZoneElementInfo.Name.Trim().Length > ElementLengths.NameMaxLength)
{
throw new ValidationErrorException(new ValidationError(null, string.Format(PageResource.PageZoneElementNameMaxLengthMessage, "name", ElementLengths.NameMaxLength)));
}
pageZoneElementInfo.Name = pageZoneElementInfo.Name.Trim();
}
// Check that all page zone elements specified are found in page zone
foreach (PageZoneElementInfo pageZoneElementInfo in pageZoneElements)
{
if (pageZoneElementInfo.PageZoneElementId != 0)
{
PageZoneElement pageZoneElement = pageZone.PageZoneElements.Where(e => e.PageZoneElementId == pageZoneElementInfo.PageZoneElementId).FirstOrDefault();
if (pageZoneElement == null)
{
throw new ValidationErrorException(new ValidationError(null, PageResource.PageZoneElementInvalidMessage));
}
}
}
}