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ALF-9347 (SVC 42) - Blog CQ impl
- initial refactor - we have the option to push-down some of the prop filtering - note: BlogServiceImpl did not need to change - TODO: review tag req w/ Neil (either remove and/or push down) git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@28728 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Jan Vonka
@@ -21,24 +21,24 @@ package org.alfresco.repo.blog.cannedqueries;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.Date;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Set;
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import org.alfresco.model.ContentModel;
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import org.alfresco.query.CannedQuery;
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import org.alfresco.query.CannedQueryParameters;
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import org.alfresco.query.CannedQuerySortDetails.SortOrder;
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import org.alfresco.repo.blog.BlogService;
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import org.alfresco.repo.blog.BlogService.BlogPostInfo;
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import org.alfresco.repo.blog.cannedqueries.AbstractBlogPostsCannedQueryFactory.PropertyBasedComparator;
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import org.alfresco.repo.domain.query.CannedQueryDAO;
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import org.alfresco.repo.security.permissions.impl.acegi.AbstractCannedQueryPermissions;
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import org.alfresco.repo.security.permissions.impl.acegi.MethodSecurityBean;
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import org.alfresco.service.cmr.repository.ChildAssociationRef;
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import org.alfresco.service.cmr.repository.NodeRef;
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import org.alfresco.service.cmr.repository.NodeService;
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import org.alfresco.service.cmr.repository.datatype.DefaultTypeConverter;
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import org.alfresco.service.cmr.tagging.TaggingService;
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import org.alfresco.service.namespace.QName;
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import org.alfresco.util.Pair;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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/**
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* This is a {@link CannedQuery} for the rather particular 'get my drafts and all published' blog-post query.
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@@ -50,81 +50,101 @@ import org.alfresco.util.Pair;
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*/
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public class DraftsAndPublishedBlogPostsCannedQuery extends AbstractCannedQueryPermissions<BlogPostInfo>
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{
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private final NodeService rawNodeService;
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private Log logger = LogFactory.getLog(getClass());
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private static final String QUERY_NAMESPACE = "alfresco.blog";
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private static final String QUERY_SELECT_GET_BLOGS = "select_GetBlogsCannedQuery";
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private final CannedQueryDAO cannedQueryDAO;
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private final TaggingService taggingService;
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public DraftsAndPublishedBlogPostsCannedQuery(
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NodeService rawNodeService,
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CannedQueryDAO cannedQueryDAO,
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TaggingService taggingService,
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MethodSecurityBean<BlogPostInfo> methodSecurity,
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CannedQueryParameters params)
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{
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super(params, methodSecurity);
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this.rawNodeService = rawNodeService;
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this.cannedQueryDAO = cannedQueryDAO;
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this.taggingService = taggingService;
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}
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@Override
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protected List<BlogPostInfo> queryAndFilter(CannedQueryParameters parameters)
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{
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Long start = (logger.isDebugEnabled() ? System.currentTimeMillis() : null);
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Object paramBeanObj = parameters.getParameterBean();
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if (paramBeanObj == null)
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throw new NullPointerException("Null GetBlogPosts query params");
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DraftsAndPublishedBlogPostsCannedQueryParams paramBean = (DraftsAndPublishedBlogPostsCannedQueryParams) paramBeanObj;
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String requestedCreator = paramBean.getCmCreator();
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String requestedTag = paramBean.getTag();
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Date createdFromDate = paramBean.getCreatedFromDate();
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Date createdToDate = paramBean.getCreatedToDate();
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List<ChildAssociationRef> childAssocs = getAllBlogNodes(paramBean.getBlogContainerNode());
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// note: refer to SQL for specific DB filtering (eg.parent node and optionally blog integration aspect, etc)
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List<BlogEntity> results = cannedQueryDAO.executeQuery(QUERY_NAMESPACE, QUERY_SELECT_GET_BLOGS, paramBean, 0, Integer.MAX_VALUE);
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List<BlogPostInfo> filteredNodeRefs = new ArrayList<BlogPostInfo>();
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for (ChildAssociationRef chAssRef : childAssocs)
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List<BlogEntity> filtered = new ArrayList<BlogEntity>(results.size());
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for (BlogEntity result : results)
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{
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NodeRef nextBlogNode = chAssRef.getChildRef();
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// Is this next node in the list to be included in the results?
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boolean nextNodeIsAcceptable = true;
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Date actualPublishedDate = DefaultTypeConverter.INSTANCE.convert(Date.class, result.getPublishedDate());
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String actualCreator = result.getCreator();
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Date actualCreatedDate = DefaultTypeConverter.INSTANCE.convert(Date.class, result.getCreatedDate());
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// Return all published Blog Posts
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if (rawNodeService.getProperty(nextBlogNode, ContentModel.PROP_PUBLISHED) != null)
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if (actualPublishedDate != null)
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{
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// Intentionally empty
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}
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else
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{
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// We're relying on cm:published being null below i.e. we are dealing with draft blog posts.
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if (!rawNodeService.getProperty(nextBlogNode, ContentModel.PROP_CREATOR).equals(paramBean.getCmCreator()))
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if (requestedCreator != null)
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{
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if (! requestedCreator.equals(actualCreator))
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{
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nextNodeIsAcceptable = false;
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}
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}
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else
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{
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nextNodeIsAcceptable = false;
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}
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}
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// Only return blogs created within the specified dates
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Date actualCreatedDate = (Date) rawNodeService.getProperty(nextBlogNode, ContentModel.PROP_CREATED);
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if (actualCreatedDate != null)
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if ((createdFromDate != null) || (createdToDate != null))
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{
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if (createdFromDate != null && actualCreatedDate.before(createdFromDate))
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if (actualCreatedDate != null)
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{
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nextNodeIsAcceptable = false;
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}
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if (createdToDate != null && actualCreatedDate.after(createdToDate))
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{
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nextNodeIsAcceptable = false;
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if (createdFromDate != null && actualCreatedDate.before(createdFromDate))
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{
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nextNodeIsAcceptable = false;
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}
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if (createdToDate != null && actualCreatedDate.after(createdToDate))
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{
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nextNodeIsAcceptable = false;
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}
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}
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}
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// TODO review use-case and either remove or push-down
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// Only return blog posts tagged with the specified tag string.
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if (requestedTag != null && !taggingService.getTags(nextBlogNode).contains(requestedTag))
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if (requestedTag != null && !taggingService.getTags(result.getNode().getNodeRef()).contains(requestedTag))
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{
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nextNodeIsAcceptable = false;
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}
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if (nextNodeIsAcceptable)
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{
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filteredNodeRefs.add(new BlogPostInfo(nextBlogNode, (String)rawNodeService.getProperty(nextBlogNode, ContentModel.PROP_NAME)));
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filtered.add(result);
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}
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}
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@@ -135,26 +155,26 @@ public class DraftsAndPublishedBlogPostsCannedQuery extends AbstractCannedQueryP
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Pair<? extends Object, SortOrder> sortPair = sortPairs.get(0);
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QName sortProperty = (QName) sortPair.getFirst();
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final PropertyBasedComparator createdDateComparator = new PropertyBasedComparator(sortProperty, rawNodeService);
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final PropertyBasedComparator comparator = new PropertyBasedComparator(sortProperty);
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if (sortPair.getSecond() == SortOrder.DESCENDING)
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{
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Collections.sort(filteredNodeRefs, Collections.reverseOrder(createdDateComparator));
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Collections.sort(filtered, Collections.reverseOrder(comparator));
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}
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}
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List<BlogPostInfo> blogPostInfos = new ArrayList<BlogPostInfo>(filtered.size());
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for (BlogEntity result : filtered)
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{
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blogPostInfos.add(new BlogPostInfo(result.getNodeRef(), result.getName()));
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}
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return filteredNodeRefs;
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}
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private List<ChildAssociationRef> getAllBlogNodes(NodeRef containerNode)
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{
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final Set<QName> childNodeTypes = new HashSet<QName>();
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childNodeTypes.add(ContentModel.TYPE_CONTENT);
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if (start != null)
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{
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logger.debug("Base query: "+blogPostInfos.size()+" in "+(System.currentTimeMillis()-start)+" msecs");
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}
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// This will, of course, retrieve all the blog posts which may be a very long list.
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List<ChildAssociationRef> childAssocs = rawNodeService.getChildAssocs(containerNode, childNodeTypes);
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return childAssocs;
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return blogPostInfos;
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}
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@Override
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