--- /dev/null
+<?php
+
+namespace RedBeanPHP;
+
+use RedBeanPHP\ToolBox as ToolBox;
+use RedBeanPHP\AssociationManager as AssociationManager;
+use RedBeanPHP\OODBBean as OODBBean;
+
+/**
+ * RedBeanPHP Tag Manager.
+ *
+ * The tag manager offers an easy way to quickly implement basic tagging
+ * functionality.
+ *
+ * Provides methods to tag beans and perform tag-based searches in the
+ * bean database.
+ *
+ * @file RedBeanPHP/TagManager.php
+ * @author Gabor de Mooij and the RedBeanPHP community
+ * @license BSD/GPLv2
+ *
+ * @copyright
+ * copyright (c) G.J.G.T. (Gabor) de Mooij and the RedBeanPHP Community
+ * This source file is subject to the BSD/GPLv2 License that is bundled
+ * with this source code in the file license.txt.
+ */
+class TagManager
+{
+ /**
+ * @var ToolBox
+ */
+ protected $toolbox;
+
+ /**
+ * @var AssociationManager
+ */
+ protected $associationManager;
+
+ /**
+ * @var OODBBean
+ */
+ protected $redbean;
+
+ /**
+ * Checks if the argument is a comma separated string, in this case
+ * it will split the string into words and return an array instead.
+ * In case of an array the argument will be returned 'as is'.
+ *
+ * @param array|string $tagList list of tags
+ *
+ * @return array
+ */
+ private function extractTagsIfNeeded( $tagList )
+ {
+ if ( $tagList !== FALSE && !is_array( $tagList ) ) {
+ $tags = explode( ',', (string) $tagList );
+ } else {
+ $tags = $tagList;
+ }
+
+ return $tags;
+ }
+
+ /**
+ * Finds a tag bean by it's title.
+ * Internal method.
+ *
+ * @param string $title title to search for
+ *
+ * @return OODBBean
+ */
+ protected function findTagByTitle( $title )
+ {
+ $beans = $this->redbean->find( 'tag', array( 'title' => array( $title ) ) );
+
+ if ( $beans ) {
+ $bean = reset( $beans );
+
+ return $bean;
+ }
+
+ return NULL;
+ }
+
+ /**
+ * Constructor.
+ * The tag manager offers an easy way to quickly implement basic tagging
+ * functionality.
+ *
+ * @param ToolBox $toolbox toolbox object
+ */
+ public function __construct( ToolBox $toolbox )
+ {
+ $this->toolbox = $toolbox;
+ $this->redbean = $toolbox->getRedBean();
+
+ $this->associationManager = $this->redbean->getAssociationManager();
+ }
+
+ /**
+ * Tests whether a bean has been associated with one ore more
+ * of the listed tags. If the third parameter is TRUE this method
+ * will return TRUE only if all tags that have been specified are indeed
+ * associated with the given bean, otherwise FALSE.
+ * If the third parameter is FALSE this
+ * method will return TRUE if one of the tags matches, FALSE if none
+ * match.
+ *
+ * Tag list can be either an array with tag names or a comma separated list
+ * of tag names.
+ *
+ * @param OODBBean $bean bean to check for tags
+ * @param array|string $tags list of tags
+ * @param boolean $all whether they must all match or just some
+ *
+ * @return boolean
+ */
+ public function hasTag( $bean, $tags, $all = FALSE )
+ {
+ $foundtags = $this->tag( $bean );
+
+ $tags = $this->extractTagsIfNeeded( $tags );
+ $same = array_intersect( $tags, $foundtags );
+
+ if ( $all ) {
+ return ( implode( ',', $same ) === implode( ',', $tags ) );
+ }
+
+ return (bool) ( count( $same ) > 0 );
+ }
+
+ /**
+ * Removes all sepcified tags from the bean. The tags specified in
+ * the second parameter will no longer be associated with the bean.
+ *
+ * Tag list can be either an array with tag names or a comma separated list
+ * of tag names.
+ *
+ * @param OODBBean $bean tagged bean
+ * @param array|string $tagList list of tags (names)
+ *
+ * @return void
+ */
+ public function untag( $bean, $tagList )
+ {
+ $tags = $this->extractTagsIfNeeded( $tagList );
+
+ foreach ( $tags as $tag ) {
+ if ( $t = $this->findTagByTitle( $tag ) ) {
+ $this->associationManager->unassociate( $bean, $t );
+ }
+ }
+ }
+
+ /**
+ * Tags a bean or returns tags associated with a bean.
+ * If $tagList is NULL or omitted this method will return a
+ * comma separated list of tags associated with the bean provided.
+ * If $tagList is a comma separated list (string) of tags all tags will
+ * be associated with the bean.
+ * You may also pass an array instead of a string.
+ *
+ * Tag list can be either an array with tag names or a comma separated list
+ * of tag names.
+ *
+ * @param OODBBean $bean bean to be tagged
+ * @param array|string $tagList a list of tags
+ *
+ * @return array
+ */
+ public function tag( OODBBean $bean, $tagList = NULL )
+ {
+ if ( is_null( $tagList ) ) {
+
+ $tags = $bean->sharedTag;
+ $foundTags = array();
+
+ foreach ( $tags as $tag ) {
+ $foundTags[] = $tag->title;
+ }
+
+ return $foundTags;
+ }
+
+ $this->associationManager->clearRelations( $bean, 'tag' );
+ $this->addTags( $bean, $tagList );
+
+ return $tagList;
+ }
+
+ /**
+ * Adds tags to a bean.
+ * If $tagList is a comma separated list of tags all tags will
+ * be associated with the bean.
+ * You may also pass an array instead of a string.
+ *
+ * Tag list can be either an array with tag names or a comma separated list
+ * of tag names.
+ *
+ * @param OODBBean $bean bean to add tags to
+ * @param array|string $tagList list of tags to add to bean
+ *
+ * @return void
+ */
+ public function addTags( OODBBean $bean, $tagList )
+ {
+ $tags = $this->extractTagsIfNeeded( $tagList );
+
+ if ( $tagList === FALSE ) {
+ return;
+ }
+
+ foreach ( $tags as $tag ) {
+ if ( !$t = $this->findTagByTitle( $tag ) ) {
+ $t = $this->redbean->dispense( 'tag' );
+ $t->title = $tag;
+
+ $this->redbean->store( $t );
+ }
+
+ $this->associationManager->associate( $bean, $t );
+ }
+ }
+
+ /**
+ * Returns all beans that have been tagged with one or more
+ * of the specified tags.
+ *
+ * Tag list can be either an array with tag names or a comma separated list
+ * of tag names.
+ *
+ * @param string $beanType type of bean you are looking for
+ * @param array|string $tagList list of tags to match
+ * @param string $sql additional SQL (use only for pagination)
+ * @param array $bindings bindings
+ *
+ * @return array
+ */
+ public function tagged( $beanType, $tagList, $sql = '', $bindings = array() )
+ {
+ $tags = $this->extractTagsIfNeeded( $tagList );
+ $records = $this->toolbox->getWriter()->queryTagged( $beanType, $tags, FALSE, $sql, $bindings );
+
+ return $this->redbean->convertToBeans( $beanType, $records );
+ }
+
+ /**
+ * Returns all beans that have been tagged with ALL of the tags given.
+ *
+ * Tag list can be either an array with tag names or a comma separated list
+ * of tag names.
+ *
+ * @param string $beanType type of bean you are looking for
+ * @param array|string $tagList list of tags to match
+ *
+ * @return array
+ */
+ public function taggedAll( $beanType, $tagList, $sql = '', $bindings = array() )
+ {
+ $tags = $this->extractTagsIfNeeded( $tagList );
+ $records = $this->toolbox->getWriter()->queryTagged( $beanType, $tags, TRUE, $sql, $bindings );
+
+ return $this->redbean->convertToBeans( $beanType, $records );
+ }
+}
projects / yaffs-website / blobdiff