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34 package info.magnolia.module.rssaggregator.templates.components;
35
36 import info.magnolia.cms.util.QueryUtil;
37 import info.magnolia.context.MgnlContext;
38 import info.magnolia.jcr.iterator.FilteringNodeIterator;
39 import info.magnolia.jcr.predicate.NodeTypePredicate;
40 import info.magnolia.jcr.util.NodeTypes;
41 import info.magnolia.jcr.util.NodeUtil;
42 import info.magnolia.module.rssaggregator.RSSAggregatorConstants;
43 import info.magnolia.rendering.model.RenderingModel;
44 import info.magnolia.rendering.model.RenderingModelImpl;
45 import info.magnolia.rendering.template.RenderableDefinition;
46 import info.magnolia.templating.functions.TemplatingFunctions;
47
48 import java.util.Date;
49
50 import javax.inject.Inject;
51 import javax.jcr.Node;
52 import javax.jcr.NodeIterator;
53 import javax.jcr.RepositoryException;
54 import javax.jcr.query.Query;
55 import javax.jcr.query.QueryManager;
56 import javax.jcr.query.QueryResult;
57
58 import org.apache.commons.lang.StringUtils;
59 import org.slf4j.Logger;
60 import org.slf4j.LoggerFactory;
61
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69 public abstract class AbstractFeedModel<RD extends RenderableDefinition> extends RenderingModelImpl<RD> implements RenderingModel<RD> {
70 protected final static Logger log = LoggerFactory.getLogger(AbstractFeedModel.class);
71
72 public static final String ORDER_BY_PUBLICATION_DATE = "@pubDate";
73 public static final String ORDER_BY_TITLE_NAME = "@title";
74 public static final String SORT_ASCENDING = "ascending";
75 public static final String SORT_DESCENDING = "descending";
76
77 protected static final String FEEDS_NODE = "feeds";
78
79 protected static final int MAX_RESULTS = 20;
80
81 protected final TemplatingFunctions templatingFunctions;
82
83 @Inject
84 public AbstractFeedModel(Node content, RD definition, RenderingModel<?> parent, TemplatingFunctions templatingFunctions) {
85 super(content, definition, parent);
86 this.templatingFunctions = templatingFunctions;
87 }
88
89
90
91
92
93 public Date convertPubDate(Object timestamp) {
94 if (timestamp == null) {
95 return null;
96 }
97 if (timestamp instanceof String) {
98 if (StringUtils.isEmpty((String) timestamp)) {
99 return null;
100 }
101 return new Date(Long.parseLong((String) timestamp));
102 }
103
104 return new Date((Long) timestamp);
105 }
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117 public String getFeedProperty(Node parentNode, String subNode, String searchProperty, String searchValue, String resultProperty) {
118 String propertyValue = null;
119 try {
120 if (parentNode != null) {
121 String searchNode = "/" + parentNode.getName() + "/" + subNode;
122 String sql = "select * from [nt:base] as t where ISDESCENDANTNODE([" + searchNode + "]) "
123 + "and t." + searchProperty + "='" + searchValue + "'";
124
125
126 NodeIterator nit = QueryUtil.search(RSSAggregatorConstants.WORKSPACE, sql);
127
128 if (nit != null && nit.hasNext()) {
129 Node fsn = nit.nextNode();
130
131 if (NodeUtil.getCollectionFromNodeIterator(nit).size() == 0) {
132 if (fsn.hasProperty(resultProperty)) {
133 propertyValue = fsn.getProperty(resultProperty).getString();
134 }
135 }
136 }
137 }
138 } catch (RepositoryException e) {
139 log.error("Problem while getting node property: " + e.getMessage());
140 }
141 return propertyValue;
142 }
143
144 public String getContextPath() {
145 return MgnlContext.getContextPath();
146 }
147
148 protected NodeIterator runQuery(String queryString) throws RepositoryException {
149 QueryManager qm = MgnlContext.getJCRSession(RSSAggregatorConstants.WORKSPACE).getWorkspace().getQueryManager();
150 log.debug(queryString);
151 Query q = qm.createQuery(queryString, "xpath");
152 QueryResult res = q.execute();
153 NodeIterator feeds = res.getNodes();
154 FilteringNodeIterator iterator = new FilteringNodeIterator(feeds, new NodeTypePredicate(NodeTypes.Content.NAME));
155 return iterator;
156 }
157 }