Examples with LiveRelationship com.day.cq.wcm.msm.api.LiveRelationship used on opensource projects

Example 6 with LiveRelationship

use of com.day.cq.wcm.msm.api.LiveRelationship in project aem-core-wcm-components by Adobe-Marketing-Cloud.

the class ContainerServlet method doPost.

@Override
protected void doPost(@NotNull SlingHttpServletRequest request, @NotNull final SlingHttpServletResponse response) throws IOException {
    ResourceResolver resolver = request.getResourceResolver();
    Resource container = request.getResource();
    // Delete the child items
    try {
        String[] deletedChildrenNames = request.getParameterValues(PARAM_DELETED_CHILDREN);
        if (deletedChildrenNames != null && deletedChildrenNames.length > 0) {
            for (String childName : deletedChildrenNames) {
                Resource child = container.getChild(childName);
                if (child != null) {
                    // For deleted items that have a live relationship, ensure a ghost is created
                    LiveRelationship liveRelationship = liveRelationshipManager.getLiveRelationship(child, false);
                    if (liveRelationship != null && liveRelationship.getStatus().isSourceExisting()) {
                        liveRelationshipManager.cancelRelationship(resolver, liveRelationship, true, false);
                        Resource parent = child.getParent();
                        String name = child.getName();
                        resolver.delete(child);
                        if (parent != null) {
                            createGhost(parent, name, resolver);
                        }
                    } else {
                        resolver.delete(child);
                    }
                }
            }
        }
        resolver.commit();
    } catch (PersistenceException | RepositoryException | WCMException e) {
        LOGGER.error("Could not delete items of the container at {}", container.getPath(), e);
        response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
    }
    // Order the child items
    try {
        String[] orderedChildrenNames = request.getParameterValues(PARAM_ORDERED_CHILDREN);
        if (orderedChildrenNames != null && orderedChildrenNames.length > 0) {
            final Node containerNode = container.adaptTo(Node.class);
            if (containerNode != null) {
                // Create the items if they don't exist
                for (int i = 0; i < orderedChildrenNames.length; i++) {
                    if (!containerNode.hasNode(orderedChildrenNames[i])) {
                        containerNode.addNode(orderedChildrenNames[i]);
                    }
                }
                // Order the items
                for (int i = orderedChildrenNames.length - 1; i >= 0; i--) {
                    // Put the last item at the end
                    if (i == orderedChildrenNames.length - 1) {
                        containerNode.orderBefore(orderedChildrenNames[i], null);
                    } else {
                        containerNode.orderBefore(orderedChildrenNames[i], orderedChildrenNames[i + 1]);
                    }
                }
                // Persist the changes
                resolver.commit();
            }
        }
    } catch (RepositoryException | PersistenceException e) {
        LOGGER.error("Could not order items of the container at {}", container.getPath(), e);
        response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
    }
}