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<?php
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class WPML_ST_String_Dependencies_Builder {
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/** @var WPML_ST_String_Dependencies_Records $records */
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private $records;
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private $types_map = array(
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'post' => 'package',
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'package' => 'string',
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);
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public function __construct( WPML_ST_String_Dependencies_Records $records ) {
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$this->records = $records;
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}
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/**
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* @param string $type
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* @param int $id
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*
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* @return WPML_ST_String_Dependencies_Node
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*/
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public function from( $type, $id ) {
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$parent_id = $this->records->get_parent_id_from( $type, $id );
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if ( $parent_id ) {
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$parent = $this->from( $this->get_parent_type( $type ), $parent_id );
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$initial_node = $parent->search( $id, $type );
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if ( $initial_node ) {
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$initial_node->set_needs_refresh( true );
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}
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return $parent;
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}
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$node = new WPML_ST_String_Dependencies_Node( $id, $type );
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$node->set_needs_refresh( true );
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return $this->populate_node( $node );
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}
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/**
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* @param WPML_ST_String_Dependencies_Node $node
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*
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* @return WPML_ST_String_Dependencies_Node
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*/
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private function populate_node( WPML_ST_String_Dependencies_Node $node ) {
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$child_ids = $this->records->get_child_ids_from( $node->get_type(), $node->get_id() );
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if ( $child_ids ) {
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$child_type = $this->get_child_type( $node->get_type() );
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foreach ( $child_ids as $id ) {
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$child_node = new WPML_ST_String_Dependencies_Node( $id, $child_type );
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$node->add_child( $child_node );
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$this->populate_node( $child_node );
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}
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}
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return $node;
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}
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/**
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* @param string $type
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*
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* @return false|string
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*/
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private function get_parent_type( $type ) {
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return array_search( $type, $this->types_map, true );
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}
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/**
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* @param string $type
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*
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* @return null|string
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*/
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private function get_child_type( $type ) {
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return isset( $this->types_map[ $type ] ) ? $this->types_map[ $type ] : null;
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}
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}
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@@ -0,0 +1,179 @@
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<?php
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class WPML_ST_String_Dependencies_Node {
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/** @var WPML_ST_String_Dependencies_Node|null $parent */
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private $parent;
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/** @var WPML_ST_String_Dependencies_Node[] $children */
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private $children = array();
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/** @var bool $iteration_completed */
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private $iteration_completed = false;
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/** @var int|null $id */
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private $id;
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/** @var string|null $type */
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private $type;
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/** @var bool|null $needs_refresh */
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private $needs_refresh;
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public function __construct( $id = null, $type = null ) {
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$this->id = $id;
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$this->type = $type;
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}
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public function get_id() {
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return $this->id;
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}
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public function get_type() {
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return $this->type;
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}
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public function set_needs_refresh( $needs_refresh ) {
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$this->needs_refresh = $needs_refresh;
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}
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public function get_needs_refresh() {
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return $this->needs_refresh;
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}
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public function set_parent( WPML_ST_String_Dependencies_Node $node ) {
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$node->add_child( $this );
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$this->parent = $node;
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}
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public function get_parent() {
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return $this->parent;
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}
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public function add_child( WPML_ST_String_Dependencies_Node $node ) {
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if ( ! isset( $this->children[ $node->get_hash() ] ) ) {
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$this->children[ $node->get_hash() ] = $node;
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$node->set_parent( $this );
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}
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}
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public function remove_child( WPML_ST_String_Dependencies_Node $node ) {
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unset( $this->children[ $node->get_hash() ] );
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unset( $node );
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}
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public function detach() {
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if ( $this->parent ) {
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$this->parent->remove_child( $this );
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}
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}
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/**
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* Iteration DFS in post-order
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*
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* @return WPML_ST_String_Dependencies_Node
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*/
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public function get_next() {
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if ( $this->children ) {
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$first_child = reset( $this->children );
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if ( $first_child ) {
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/** @var WPML_ST_String_Dependencies_Node $first_child */
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return $first_child->get_next();
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}
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}
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if ( ! $this->parent && ! $this->iteration_completed ) {
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$this->iteration_completed = true;
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}
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return $this;
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}
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/**
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* Search DFS in pre-order
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*
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* @param int $id
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* @param string $type
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*
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* @return bool|WPML_ST_String_Dependencies_Node
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*/
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public function search( $id, $type ) {
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if ( $this->id === $id && $this->type === $type ) {
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return $this;
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}
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if ( $this->children ) {
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foreach ( $this->children as $child ) {
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$node = $child->search( $id, $type );
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if ( $node ) {
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return $node;
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}
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}
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}
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return false;
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}
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public function iteration_completed() {
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return $this->iteration_completed;
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}
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/**
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* @return string|stdClass
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*/
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public function to_json() {
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$object = new stdClass();
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foreach ( $this->get_item_properties() as $property ) {
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if ( null !== $this->{$property} ) {
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$object->{$property} = $this->{$property};
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}
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}
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if ( $this->children ) {
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foreach ( $this->children as $child ) {
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$object->children[] = $child->to_json();
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}
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}
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if ( ! $this->parent ) {
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return json_encode( $object );
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}
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return $object;
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}
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/**
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* @param string|self $object
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*/
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public function from_json( $object ) {
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if ( is_string( $object ) ) {
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$object = json_decode( $object );
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}
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foreach ( $this->get_item_properties() as $property ) {
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if ( isset( $object->{$property} ) ) {
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$this->{$property} = $object->{$property};
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}
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}
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if ( isset( $object->children ) ) {
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foreach ( $object->children as $child ) {
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$child_node = new self( $child->id, $child->type );
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$child_node->from_json( $child );
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$child_node->set_parent( $this );
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}
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}
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}
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private function get_item_properties() {
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return array( 'id', 'type', 'needs_refresh' );
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}
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private function get_hash() {
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return spl_object_hash( $this );
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}
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}
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@@ -0,0 +1,59 @@
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<?php
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class WPML_ST_String_Dependencies_Records {
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/** @var wpdb $wpdb */
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private $wpdb;
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public function __construct( wpdb $wpdb ) {
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$this->wpdb = $wpdb;
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}
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/**
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* @param string $type
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* @param int $id
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*
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* @return int
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*/
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public function get_parent_id_from( $type, $id ) {
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switch ( $type ) {
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case 'package':
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$query = "SELECT post_id FROM {$this->wpdb->prefix}icl_string_packages WHERE ID = %d";
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break;
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case 'string':
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$query = "SELECT string_package_id FROM {$this->wpdb->prefix}icl_strings WHERE id = %d";
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break;
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default:
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return 0;
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}
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return (int) $this->wpdb->get_var( $this->wpdb->prepare( $query, $id ) );
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}
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/**
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* @param string $type
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* @param int $id
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*
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* @return array
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*/
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public function get_child_ids_from( $type, $id ) {
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switch ( $type ) {
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case 'post':
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$query = "SELECT id FROM {$this->wpdb->prefix}icl_string_packages WHERE post_id = %d";
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break;
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case 'package':
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$query = "SELECT ID FROM {$this->wpdb->prefix}icl_strings WHERE string_package_id = %d";
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break;
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default:
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return array();
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}
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$ids = $this->wpdb->get_col( $this->wpdb->prepare( $query, $id ) );
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return array_map( 'intval', $ids );
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}
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}
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