126 lines
2.8 KiB
PHP
126 lines
2.8 KiB
PHP
<?php
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namespace Kanboard\Model;
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use Kanboard\Core\Base;
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/**
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* Class TaskTagModel
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*
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* @package Kanboard\Model
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* @author Frederic Guillot
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*/
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class TaskTagModel extends Base
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{
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/**
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* SQL table name
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*
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* @var string
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*/
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const TABLE = 'task_has_tags';
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/**
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* Get all tags associated to a task
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*
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* @access public
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* @param integer $task_id
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* @return array
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*/
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public function getAll($task_id)
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{
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return $this->db->table(TagModel::TABLE)
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->columns(TagModel::TABLE.'.id', TagModel::TABLE.'.name')
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->eq(self::TABLE.'.task_id', $task_id)
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->join(self::TABLE, 'tag_id', 'id')
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->findAll();
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}
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/**
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* Get dictionary of tags
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*
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* @access public
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* @param integer $task_id
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* @return array
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*/
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public function getList($task_id)
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{
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$tags = $this->getAll($task_id);
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return array_column($tags, 'name', 'id');
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}
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/**
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* Add or update a list of tags to a task
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*
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* @access public
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* @param integer $project_id
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* @param integer $task_id
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* @param string[] $tags
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* @return boolean
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*/
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public function save($project_id, $task_id, array $tags)
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{
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$task_tags = $this->getList($task_id);
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return $this->addTags($project_id, $task_id, $task_tags, $tags) &&
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$this->removeTags($task_id, $task_tags, $tags);
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}
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/**
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* Associate a tag to a task
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*
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* @access public
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* @param integer $task_id
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* @param integer $tag_id
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* @return boolean
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*/
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public function associate($task_id, $tag_id)
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{
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return $this->db->table(self::TABLE)->insert(array(
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'task_id' => $task_id,
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'tag_id' => $tag_id,
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));
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}
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/**
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* Dissociate a tag from a task
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*
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* @access public
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* @param integer $task_id
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* @param integer $tag_id
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* @return boolean
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*/
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public function dissociate($task_id, $tag_id)
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{
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return $this->db->table(self::TABLE)
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->eq('task_id', $task_id)
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->eq('tag_id', $tag_id)
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->remove();
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}
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private function addTags($project_id, $task_id, $task_tags, $tags)
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{
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foreach ($tags as $tag) {
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$tag_id = $this->tagModel->findOrCreateTag($project_id, $tag);
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if (! isset($task_tags[$tag_id]) && ! $this->associate($task_id, $tag_id)) {
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return false;
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}
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}
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return true;
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}
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private function removeTags($task_id, $task_tags, $tags)
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{
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foreach ($task_tags as $tag_id => $tag) {
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if (! in_array($tag, $tags)) {
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if (! $this->dissociate($task_id, $tag_id)) {
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return false;
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}
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}
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}
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return true;
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}
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}
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