@@ -1,4 +1,8 @@
<?php
// databases, list each one as a scheme://user:pass@host/db format
-// $db[] = 'mysql://root:root@localhost/test';
\ No newline at end of file
+// $db[] = 'mysql://root:root@localhost/test';
+
+// $properties['Class'] = array(
+// ACTS_AS_MATERIALIZED_PATH => array('column'),
+// );
\ No newline at end of file
config.dist.php
@@ -13,3 +13,6 @@ define('TYPE_INT_AUTOINCREMENT', 3);
define('RELATION_HASONE', 1);
define('RELATION_HASMANY', 2);
define('RELATION_HASMANYMANY', 3);
+
+// acts as
+define('ACTS_AS_MATERIALIZED_PATH', 1);
\ No newline at end of file
lib/constants.php
@@ -56,11 +56,12 @@ class SCAR_Repository {
$this->is_initialized = true;
$db = array();
+ $properties = array();
if ($this->config_path === null && count($this->db_list) == 0) {
include SCAR_BASE.'config.php';
}
- elseif ($this->config_path === null) {
+ elseif ($this->config_path !== null) {
include $this->config_path;
}
else {
@@ -97,7 +98,7 @@ class SCAR_Repository {
'relates' => Inflector::camelize(substr($col, 0, -3)),
);
}
-
+
// store
$this->scars[$klass_name] = $scar;
}
@@ -119,6 +120,18 @@ class SCAR_Repository {
// converse is also true
$p->hasMany(Inflector::singularize(Inflector::classify($o->getTable())));
}
+
+ // add properties
+ foreach ($properties as $klass => $props) {
+ $scar =& $this->scars[$klass];
+ foreach ($props as $type => $params) {
+ switch ($type) {
+ case ACTS_AS_MATERIALIZED_PATH:
+ $scar->actsAsMaterializedPath($params[0]);
+ break;
+ }
+ }
+ }
}
public function get($klass) {
lib/repository.php
@@ -61,6 +61,8 @@ class SCAR_Generic implements Iterator {
'set' => array(),
'scar' => 'SCAR',
+
+ 'acts_as_materialized_path' => false,
);
@@ -276,6 +278,101 @@ class SCAR_Generic implements Iterator {
return (isset($this->_data['relations'][$klass])) ? $this->_data['relations'][$klass] : false;
}
+ /**
+ * Says that this object acts with the Materialized Path pattern
+ * enables the calls for hasChildren and getChildren()
+ * @param string $col the column that contains path
+ * @return SCAR_Generic
+ **/
+ public function actsAsMaterializedPath($col) {
+ $this->_data['acts_as_materialized_path'] = $col;
+ }
+
+ /**
+ * Says a boolean if this object supports children or not
+ * @return boolean
+ **/
+ public function hasChildren() {
+ return ($this->_data['acts_as_materialized_path']) ? true : false;
+ }
+
+ /**
+ * get the children for this object based on the model type
+ * @return mixed SCAR_Generic or array()
+ **/
+ public function getChildren() {
+ if (!$this->hasChildren()) {
+ return array();
+ }
+
+ // do sql
+ $this->doSQL();
+
+ // if we don't know who we are, throw an exception
+ // can't multiplex children
+ if (!$this->whoAmI()) {
+ throw new SCAR_Method_Call_Exception('getChildren', $this);
+ }
+
+ if ($this->_data['acts_as_materialized_path']) {
+ $scar = call_user_func_array(array($this->getSCAR(), 'get'), array($this->getName()));
+ $call = 'by' . Inflector::Camelize($this->_data['acts_as_materialized_path']);
+ $scar->$call('LIKE', $this->path.'%');
+ return $scar;
+ }
+ }
+
+ /**
+ * looks at criteria to determine if a givnn object can have a parent
+ * @return boolean
+ **/
+ public function hasParent() {
+ if (!$this->_data['acts_as_materialized_path']) {
+ return false;
+ }
+
+ // do SQL
+ $this->doSQL();
+
+ // multiplex or 0 rows not valid
+ if (!$this->whoAmI()) {
+ return false;
+ }
+
+ if (strrpos($this->path, '/', -2) === 0) {
+ return false;
+ }
+
+ return true;
+ }
+
+ /**
+ * get the parent for this object based on the nesting model types
+ * @return SCAR_Generic or false
+ **/
+ public function getParent() {
+ if (!$this->hasParent()) {
+ return false;
+ }
+
+ // do sql
+ $this->doSQL();
+
+ // if we don't know who we are, throw an exception
+ // can't multiplex children
+ if (!$this->whoAmI()) {
+ throw new SCAR_Method_Call_Exception('getParent', $this);
+ }
+
+ if ($this->_data['acts_as_materialized_path']) {
+ $scar = call_user_func_array(array($this->getSCAR(), 'get'), array($this->getName()));
+ $call = 'by' . Inflector::Camelize($this->_data['acts_as_materialized_path']);
+ $path = substr($this->path, 0, strrpos($this->path, '/', -2) + 1);
+ var_dump($this->id.' '.$path);
+ $scar->$call($path); // path minus last node
+ return $scar;
+ }
+ }
/**
* Saves a SCAR object into the database
lib/scargeneric.php
3b7ae8e6a592a2008f20583a819e7449fc5f8a36
Jakob Heuser
jakob@felocity.org
http://github.com/Jakobo/scar/commit/ae0c9a755d59771ebcf56b5e694b60911de6916e
ae0c9a755d59771ebcf56b5e694b60911de6916e
2008-05-15T03:10:16-07:00
2008-05-15T03:10:16-07:00
ActsAsMaterializedPath support added, basic nesting framework in place
93f70e2ce30d08f25b9b86dc0a8b21226aa0e1ac
Jakob Heuser
jakob@felocity.org