First commit

lqdn_similar_nodes.info

+; $Id$
+name = "Similar nodes"
+description = Provides blocks with nodes in the same dossier(s).
+core = 6.x
+package = "La Quadrature"
+dependencies[] = lqdn_dossiers
+dependencies[] = lqdn_latest_nodes

lqdn_similar_nodes.install

+<?php
+// $Id$
+

lqdn_similar_nodes.module

+<?php
+function _lqdn_similar_nodes_get_tags($_nid) {
+  // Tags of the node
+  $n_tags = array();
+  $query = "SELECT td.`tid`, `name` FROM `term_data` td " .
+    "LEFT JOIN `term_node` tn ON td.`tid`=tn.`tid` " .
+    "LEFT JOIN `node` n ON tn.`vid`=n.`vid` " .
+    "WHERE n.`nid`=%d AND td.`vid`=2";
+  $result = db_query($query, $_nid);
+  while($data = db_fetch_object($result))
+    $n_tags[] = $data->tid;
+
+  return $n_tags;
+}
+
+function _lqdn_similar_nodes_get_dossiers($n_tags) {
+  global $language;
+
+  // List of dossiers with a same tag
+  $dossiers = array();
+  $query = "SELECT `did`, `active`, `name`, `image`, `path`, `tags` " .
+    "FROM `lqdn_dossiers_contents`" .
+    "WHERE `active`=1 AND `language`='%s'" .
+    "ORDER BY `archive`, `weight`";
+  $result = db_query($query, $language->language);
+  while ($data = db_fetch_object($result))
+    {
+      $d_tags = explode(',', $data->tags);
+      $d_tags = array_map('intval', $d_tags);
+
+      foreach ($d_tags as $d_tag)
+	{
+	  if (in_array($d_tag, $n_tags))
+	    {
+	      $dossiers[] = $data;
+	      break;
+	    }
+	}
+    }
+  return $dossiers;
+}
+
+function lqdn_similar_nodes_block ($op = 'list', $delta = 0, $edit = array())
+{
+  global $language;
+
+  switch($op)
+    {
+      case 'list':
+        $blocks=array();
+        $blocks[0]['info'] = t("Related dossiers");
+        $blocks[1]['info'] = t("Related quad'news");
+        $blocks[2]['info'] = t("Related press review");
+        $blocks[3]['info'] = t("Related content (quad'news + press review)");
+        return $blocks;
+        break;
+      case 'view':
+        $block=array();
+
+        // Does this page is a actualite node?
+        if (substr($_GET['q'], 0, 5) == 'node/')
+          {
+            $node = intval(substr($_GET['q'], 5));
+            $result = db_query('SELECT `type` FROM `node` WHERE `nid`=%d', $node);
+            $data = db_fetch_object($result);
+            if($data->type != 'actualite')
+              return $block;
+          }
+        else
+          return $block;
+
+      $n_tags = _lqdn_similar_nodes_get_tags($node);
+      $dossiers = _lqdn_similar_nodes_get_dossiers($n_tags);
+
+      $tags = $n_tags; // We initialize tags with tags from node
+      foreach ($dossiers as $dossier)
+        $tags[] = $dossier->tags; // We add tags from dossiers
+      $list_tags .= implode(', ', $tags);
+
+      // First block : dossiers
+      if ($delta == 0)
+        {
+          $content = '';
+          foreach($dossiers as $dossier)
+            {
+              $options['attributes'] = array(
+					     //'class' => 'image-illustration', // CSS file not available here.
+					     'style' => 'background-image: url('.htmlspecialchars($dossier->image) . '); ' .
+					     'background-color:#FFFFFF; background-position:center center; ' .
+					     'background-repeat:no-repeat; border:1px solid #DDD; display:block; ' .
+					     'height:130px; overflow:hidden; margin: 5px auto; text-indent:-1000px; width:150px;',
+                                             );
+              $content .= l($dossier->name, $dossier->path, $options) . "<br />\n";
+            }
+          $block['subject'] = t('Related dossiers');
+          $block['content'] = empty($content) ? '' : $content;
+          return $block;
+        }
+
+      // Second and third block
+      elseif ($delta == 1 || $delta == 2)
+        {
+          $type = ($delta == 1) ? 'actu' : 'rp';
+          $dossier->name = '';
+          $dossier->tags = $list_tags;
+          $content = lqdn_latest_nodes_list($type, $dossier);
+          if (!empty($content))
+            {
+              $block['subject'] = ($delta == 1) ? t("Related quad'news") : t("Related press review");
+              $block['content'] = $content;
+            }
+          return $block;
+        }
+      elseif ($delta == 3)
+        {
+          $dossier->name = '';
+          $dossier->tags = $list_tags;
+          $block['subject'] = '';
+          $block['content'] = _lqdn_latest_nodes_latest_news_and_press_articles($dossier, 7, 0);
+          return $block;
+        }
+    }
+}