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<?php defined('SYSPATH') OR die('No direct script access.'); |
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/** |
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* @author Ivan Kerin <[email protected]> |
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* @copyright (c) 2014 Clippings Ltd. |
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* @license http://spdx.org/licenses/BSD-3-Clause |
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*/ |
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class Kohana_Jam_Association_Taxonomy_Terms extends Jam_Association_Collection { |
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public $vocabulary = NULL; |
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public $vocabulary_model = 'vocabulary'; |
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public $vocabulary_foreign_key; |
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public $foreign_model = 'term'; |
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public $join_table_dependent = TRUE; |
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public $item_key = 'item_id'; |
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public $item_polymorphic_key = 'item_model'; |
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public $term_key = 'term_id'; |
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public $join_table = 'terms_items'; |
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protected $_vocabulary_ids = NULL; |
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public function initialize(Jam_Meta $meta, $name) |
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{ |
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parent::initialize($meta, $name); |
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if ( ! $this->vocabulary_foreign_key) |
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{ |
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$this->vocabulary_foreign_key = Jam::meta($this->foreign_model)->association('vocabulary')->foreign_key; |
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} |
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} |
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public function vocabulary_ids() |
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{ |
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if ($this->vocabulary AND $this->_vocabulary_ids === NULL) |
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{ |
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$this->_vocabulary_ids = Jam::all($this->vocabulary_model)->where(':name_key', 'IN', (array) $this->vocabulary)->ids(); |
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} |
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return $this->_vocabulary_ids; |
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} |
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public function join($alias, $type = NULL) |
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{ |
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$join = Jam_Query_Builder_Join::factory($this->join_table, $type) |
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->context_model($this->model) |
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->model($this->foreign_model) |
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->on($this->join_table.'.'.$this->item_key, '=', ':primary_key') |
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->on($this->join_table.'.'.$this->item_polymorphic_key, '=', DB::expr(':model', array(':model' => $this->model))); |
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$join_nested = $join |
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->join_table($alias ? array($this->foreign_model, $alias) : $this->foreign_model, $type) |
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->context_model($this->model) |
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->on(':primary_key', '=' , $this->join_table.'.'.$this->term_key); |
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if ($this->vocabulary_ids()) |
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{ |
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$join_nested->on($this->vocabulary_foreign_key, 'IN', DB::expr(':ids', array(':ids' => $this->vocabulary_ids()))); |
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} |
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return $join; |
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} |
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public function collection(Jam_Model $model) |
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{ |
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$collection = Jam::all($this->foreign_model); |
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$collection |
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->join_table($this->join_table) |
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->context_model($this->foreign_model) |
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->on($this->join_table.'.'.$this->term_key, '=', ':primary_key') |
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->end() |
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->where($this->join_table.'.'.$this->item_polymorphic_key, '=', DB::expr(':model', array(':model' => $model->meta()->model()))) |
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->where($this->join_table.'.'.$this->item_key, '=' , $model->id()); |
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if ($this->vocabulary_ids()) |
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{ |
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$collection->where($this->vocabulary_foreign_key, 'IN', $this->vocabulary_ids()); |
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} |
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return $collection; |
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} |
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public function model_after_delete(Jam_Model $model) |
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{ |
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if ($model->loaded() AND $this->join_table_dependent) |
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{ |
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$this->erase_query($model) |
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->execute(Jam::meta($this->model)->db()); |
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} |
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} |
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public function erase_query(Jam_Model $model) |
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{ |
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return DB::delete($this->join_table) |
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->where($this->item_key, '=', $model->id()) |
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->where($this->item_polymorphic_key, '=', $this->model); |
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} |
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public function remove_items_query(Jam_Model $model, array $ids) |
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{ |
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return DB::delete($this->join_table) |
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->where($this->item_key, '=', $model->id()) |
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->where($this->item_polymorphic_key, '=', $this->model) |
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->where($this->term_key, 'IN', $ids); |
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} |
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public function add_items_query(Jam_Model $model, array $ids) |
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{ |
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$query = DB::insert($this->join_table) |
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->columns(array($this->item_key, $this->item_polymorphic_key, $this->term_key)); |
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foreach ($ids as $id) |
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{ |
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$query->values(array($model->id(), $this->model, $id)); |
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} |
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return $query; |
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} |
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public function item_set(Jam_Model $model, Jam_Model $item) |
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{ |
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if ( ! $item->loaded() AND count($this->vocabulary_ids()) === 1) |
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{ |
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$item->{$this->vocabulary_foreign_key} = current($this->vocabulary_ids()); |
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} |
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} |
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public function item_get(Jam_Model $model, Jam_Model $item) |
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{ |
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if ( ! $item->loaded() AND ! $item->vocabulary_id AND count($this->vocabulary_ids()) === 1) |
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{ |
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$item->{$this->vocabulary_foreign_key} = current($this->vocabulary_ids()); |
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} |
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} |
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} |
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OpenBuildings /
jam-taxonomy
