danielebarchiesi@0: <?php
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * @file
danielebarchiesi@0:  * User page callbacks for tracker.module.
danielebarchiesi@0:  */
danielebarchiesi@0: 
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Page callback: prints a listing of active nodes on the site.
danielebarchiesi@0:  *
danielebarchiesi@0:  * Queries the database for info, adds RDFa info if applicable, and generates
danielebarchiesi@0:  * the render array that will be used to render the page.
danielebarchiesi@0:  */
danielebarchiesi@0: function tracker_page($account = NULL, $set_title = FALSE) {
danielebarchiesi@0:   if ($account) {
danielebarchiesi@0:     $query = db_select('tracker_user', 't')->extend('PagerDefault');
danielebarchiesi@0:     $query->condition('t.uid', $account->uid);
danielebarchiesi@0: 
danielebarchiesi@0:     if ($set_title) {
danielebarchiesi@0:       // When viewed from user/%user/track, display the name of the user
danielebarchiesi@0:       // as page title -- the tab title remains Track so this needs to be done
danielebarchiesi@0:       // here and not in the menu definition.
danielebarchiesi@0:       drupal_set_title(format_username($account));
danielebarchiesi@0:     }
danielebarchiesi@0:   }
danielebarchiesi@0:   else {
danielebarchiesi@0:     $query = db_select('tracker_node', 't', array('target' => 'slave'))->extend('PagerDefault');
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   // This array acts as a placeholder for the data selected later
danielebarchiesi@0:   // while keeping the correct order.
danielebarchiesi@0:   $nodes = $query
danielebarchiesi@0:     ->addTag('node_access')
danielebarchiesi@0:     ->fields('t', array('nid', 'changed'))
danielebarchiesi@0:     ->condition('t.published', 1)
danielebarchiesi@0:     ->orderBy('t.changed', 'DESC')
danielebarchiesi@0:     ->limit(25)
danielebarchiesi@0:     ->execute()
danielebarchiesi@0:     ->fetchAllAssoc('nid');
danielebarchiesi@0: 
danielebarchiesi@0:   $rows = array();
danielebarchiesi@0:   if (!empty($nodes)) {
danielebarchiesi@0:     // Now, get the data and put into the placeholder array.
danielebarchiesi@0:     $result = db_query('SELECT n.nid, n.title, n.type, n.changed, n.uid, u.name, l.comment_count FROM {node} n INNER JOIN {node_comment_statistics} l ON n.nid = l.nid INNER JOIN {users} u ON n.uid = u.uid WHERE n.nid IN (:nids)', array(':nids' => array_keys($nodes)), array('target' => 'slave'));
danielebarchiesi@0:     foreach ($result as $node) {
danielebarchiesi@0:       $node->last_activity = $nodes[$node->nid]->changed;
danielebarchiesi@0:       $nodes[$node->nid] = $node;
danielebarchiesi@0:     }
danielebarchiesi@0: 
danielebarchiesi@0:     // Display the data.
danielebarchiesi@0:     foreach ($nodes as $node) {
danielebarchiesi@0:       // Determine the number of comments.
danielebarchiesi@0:       $comments = 0;
danielebarchiesi@0:       if ($node->comment_count) {
danielebarchiesi@0:         $comments = $node->comment_count;
danielebarchiesi@0: 
danielebarchiesi@0:         if ($new = comment_num_new($node->nid)) {
danielebarchiesi@0:           $comments .= '<br />';
danielebarchiesi@0:           $comments .= l(format_plural($new, '1 new', '@count new'), 'node/' . $node->nid, array('fragment' => 'new'));
danielebarchiesi@0:         }
danielebarchiesi@0:       }
danielebarchiesi@0: 
danielebarchiesi@0:       $row = array(
danielebarchiesi@0:         'type' => check_plain(node_type_get_name($node->type)),
danielebarchiesi@0:         'title' => array('data' => l($node->title, 'node/' . $node->nid) . ' ' . theme('mark', array('type' => node_mark($node->nid, $node->changed)))),
danielebarchiesi@0:         'author' => array('data' => theme('username', array('account' => $node))),
danielebarchiesi@0:         'replies' => array('class' => array('replies'), 'data' => $comments),
danielebarchiesi@0:         'last updated' => array('data' => t('!time ago', array('!time' => format_interval(REQUEST_TIME - $node->last_activity)))),
danielebarchiesi@0:       );
danielebarchiesi@0: 
danielebarchiesi@0:       // Adds extra RDFa markup to the $row array if the RDF module is enabled.
danielebarchiesi@0:       if (function_exists('rdf_mapping_load')) {
danielebarchiesi@0:         // Each node is not loaded for performance reasons, as a result we need
danielebarchiesi@0:         // to retrieve the RDF mapping for each node type.
danielebarchiesi@0:         $mapping = rdf_mapping_load('node', $node->type);
danielebarchiesi@0:         // Adds RDFa markup to the title of the node. Because the RDFa markup is
danielebarchiesi@0:         // added to the td tag which might contain HTML code, we specify an
danielebarchiesi@0:         // empty datatype to ensure the value of the title read by the RDFa
danielebarchiesi@0:         // parsers is a plain literal.
danielebarchiesi@0:         $row['title'] += rdf_rdfa_attributes($mapping['title']) + array('datatype' => '');
danielebarchiesi@0:         // Annotates the td tag containing the author of the node.
danielebarchiesi@0:         $row['author'] += rdf_rdfa_attributes($mapping['uid']);
danielebarchiesi@0:         // Annotates the td tag containing the number of replies. We add the
danielebarchiesi@0:         // content attribute to ensure that only the comment count is used as
danielebarchiesi@0:         // the value for 'num_replies'. Otherwise, other text such as a link
danielebarchiesi@0:         // to the number of new comments could be included in the 'num_replies'
danielebarchiesi@0:         // value.
danielebarchiesi@0:         $row['replies'] += rdf_rdfa_attributes($mapping['comment_count']);
danielebarchiesi@0:         $row['replies'] += array('content' => $node->comment_count);
danielebarchiesi@0:         // If the node has no comments, we assume the node itself was modified
danielebarchiesi@0:         // and apply 'changed' in addition to 'last_activity'.  If there are
danielebarchiesi@0:         // comments present, we cannot infer whether the node itself was
danielebarchiesi@0:         // modified or a comment was posted, so we use only 'last_activity'.
danielebarchiesi@0:         $mapping_last_activity = rdf_rdfa_attributes($mapping['last_activity'], $node->last_activity);
danielebarchiesi@0:         if ($node->comment_count == 0) {
danielebarchiesi@0:           $mapping_changed = rdf_rdfa_attributes($mapping['changed'], $node->last_activity);
danielebarchiesi@0:           $mapping_last_activity['property'] = array_merge($mapping_last_activity['property'], $mapping_changed['property']);
danielebarchiesi@0:         }
danielebarchiesi@0:         $row['last updated'] += $mapping_last_activity;
danielebarchiesi@0: 
danielebarchiesi@0:         // We need to add the about attribute on the tr tag to specify which
danielebarchiesi@0:         // node the RDFa annotations above apply to. We move the content of
danielebarchiesi@0:         // $row to a 'data' sub array so we can specify attributes for the row.
danielebarchiesi@0:         $row = array('data' => $row);
danielebarchiesi@0:         $row['about'] = url('node/' . $node->nid);
danielebarchiesi@0:       }
danielebarchiesi@0:       $rows[] = $row;
danielebarchiesi@0:     }
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   $page['tracker'] = array(
danielebarchiesi@0:     '#rows' => $rows,
danielebarchiesi@0:     '#header' => array(t('Type'), t('Title'), t('Author'), t('Replies'), t('Last updated')),
danielebarchiesi@0:     '#theme' => 'table',
danielebarchiesi@0:     '#empty' => t('No content available.'),
danielebarchiesi@0:     '#attached' => array(
danielebarchiesi@0:       'css' => array(drupal_get_path('module', 'tracker') . '/tracker.css' => array()),
danielebarchiesi@0:     ),
danielebarchiesi@0:   );
danielebarchiesi@0:   $page['pager'] = array(
danielebarchiesi@0:     '#theme' => 'pager',
danielebarchiesi@0:     '#quantity' => 25,
danielebarchiesi@0:     '#weight' => 10,
danielebarchiesi@0:   );
danielebarchiesi@0:   $page['#sorted'] = TRUE;
danielebarchiesi@0: 
danielebarchiesi@0:   return $page;
danielebarchiesi@0: }