/[drupal]/contributions/modules/index/includes/index.classes.inc
ViewVC logotype

Diff of /contributions/modules/index/includes/index.classes.inc

Parent Directory Parent Directory | Revision Log Revision Log | View Revision Graph Revision Graph | View Patch Patch

revision 1.1.2.11 by xano, Sun Nov 8 20:11:49 2009 UTC revision 1.1.2.12 by xano, Tue Nov 17 16:08:36 2009 UTC
# Line 24  class index { Line 24  class index {
24     *   Either an integer or an array.     *   Either an integer or an array.
25     */     */
26    function __construct($data = NULL) {    function __construct($data = NULL) {
27        // Load an existing index.
28      if (is_int($data)) {      if (is_int($data)) {
29        $data = db_fetch_array(db_query("SELECT * FROM {index_index} WHERE iid = %d", $data));        $data = db_fetch_array(db_query("SELECT * FROM {index_index} WHERE iid = %d", $data));
30      }      }
31    
32        // Put all loaded or passed on properties in $this.
33      if (is_array($data)) {      if (is_array($data)) {
34        foreach ($data as $property => $value) {        foreach ($data as $property => $value) {
35          $this->$property = $value;          $this->$property = $value;
36        }        }
37      }      }
38      $result = db_query("SELECT * FROM {index_layer} WHERE iid = %d", $this->iid);  
39      while ($layer = db_fetch_object($result)) {      // Load and process layers.
40        $this->layers[$layer->depth] = array(      $layers = array();
41          'type' => $layer->type,      $result = db_query("SELECT lineage, entity_type, count FROM {index_layer} WHERE iid = %d", $this->iid);
42          'count' => $layer->count,      while ($layer = db_fetch_array($result)) {
43        );        $layers[$layer['lineage']] = $layer;
44        }
45        $this->setLayers($layers);
46      }
47    
48      /**
49       * Set layers for this index.
50       *
51       * @param $layers array
52       *   An array where the keys are the layer's lineages and the values are
53       *   arrays representing the layers, each having an 'entity_type' and a
54       *   'count' item.
55       */
56      function setLayers(array $layers) {
57        foreach ($layers as $lineage => &$layer) {
58          $layer['children'] = &$this->childLayers($layers, $lineage);
59          ksort($layer['children']);
60      }      }
61        $this->layers = &$this->rootLayers($layers);
62      }
63    
64      /**
65       * Get all root (top level) layers.
66       *
67       * @param $layers array
68       *   Identical to the $layers argument of $this->setLayers().
69       */
70      private function rootLayers(array $layers) {
71        $root_layers = array();
72        foreach ($layers as $lineage => &$layer) {
73          if (strpos($lineage, '-') === FALSE) {
74            $root_layers[$lineage] = &$layer;
75          }
76        }
77    
78        return $root_layers;
79      }
80    
81      /**
82       * Get a layer's children.
83       *
84       * @param $layers array
85       *   Identical to the $layers argument of $this->setLayers().
86       * @param $parent_lineage string
87       *   The lineage of the layer to get the children for.
88       */
89      private function childLayers(array &$layers, $parent_lineage) {
90        $children = array();
91        foreach ($layers as $lineage => &$layer) {
92          // Find all direct and indirect children.
93          if ($lineage !== $parent_lineage && strpos((string) $lineage, (string) $parent_lineage) === 0) {
94            // Check if the layer is a direct child.
95            if (strpos(substr($lineage, strlen($parent_lineage) + 1), '-') === FALSE) {
96              $children[$lineage] = &$layer;
97            }
98          }
99        }
100    
101        return $children;
102    }    }
103    
104    /**    /**
# Line 46  class index { Line 106  class index {
106     */     */
107    function insert() {    function insert() {
108      $status = drupal_write_record('index_index', $this);      $status = drupal_write_record('index_index', $this);
109      $this->insertLayers();      $this->insertLayers($this->layers);
110    
111      return $status;      return $status;
112    }    }
# Line 56  class index { Line 116  class index {
116     */     */
117    function update() {    function update() {
118      $this->deleteLayers();      $this->deleteLayers();
119      $this->insertLayers();      $this->insertLayers($this->layers);
120    
121      return drupal_write_record('index_index', $this, 'iid');      return drupal_write_record('index_index', $this, 'iid');
122    }    }
# Line 71  class index { Line 131  class index {
131    /**    /**
132     * Insert this index' layers.     * Insert this index' layers.
133     */     */
134    private function insertLayers() {    private function insertLayers($layers) {
135      foreach ($this->layers as $depth => $layer) {      foreach ($layers as $layer) {
136        db_query("INSERT INTO {index_layer} (iid, depth, type, count) VALUES (%d, %d, '%s', %d)", $this->iid, $depth, $layer['type'], $layer['count']);        db_query("INSERT INTO {index_layer} (iid, lineage, entity_type, count) VALUES (%d, '%s', '%s', %d)", $this->iid, $layer['lineage'], $layer['entity_type'], $layer['count']);
137          $this->insertLayers($layer['children']);
138      }      }
139    }    }
140    
Legend:
Removed from v.1.1.2.11  
changed lines
  Added in v.1.1.2.12
  ViewVC Help
Powered by ViewVC 1.1.3