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<?php |
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/** |
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* This file is part of the VinaBB.vn package. |
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* |
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* @copyright (c) VinaBB <vinabb.vn> |
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* @license GNU General Public License, version 2 (GPL-2.0) |
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*/ |
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namespace vinabb\web\operators; |
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use Symfony\Component\DependencyInjection\ContainerInterface; |
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/** |
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* Operator for a set of chapters |
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*/ |
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class bbook_chapter implements bbook_chapter_interface |
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{ |
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/** @var ContainerInterface $container */ |
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protected $container; |
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/** @var \phpbb\db\driver\driver_interface $db */ |
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protected $db; |
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/** @var \vinabb\web\operators\nestedset_bbook_chapters $nestedset */ |
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protected $nestedset; |
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/** @var string $table_name */ |
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protected $table_name; |
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/** |
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* Constructor |
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* |
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* @param ContainerInterface $container Container object |
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* @param \vinabb\web\operators\nestedset_bbook_chapters $nestedset Nestedset object for tree functionality |
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* @param \phpbb\db\driver\driver_interface $db Database object |
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* @param string $table_name Table name |
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*/ |
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public function __construct( |
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ContainerInterface $container, |
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\phpbb\db\driver\driver_interface $db, |
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\vinabb\web\operators\nestedset_bbook_chapters $nestedset, |
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$table_name |
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) |
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{ |
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$this->container = $container; |
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$this->db = $db; |
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$this->nestedset = $nestedset; |
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$this->table_name = $table_name; |
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} |
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/** |
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* Get number of chapters |
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* |
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* @param int $book_id Book ID |
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* @return int |
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*/ |
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public function count_chapters($book_id = 0) |
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{ |
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$sql_where = $book_id ? 'WHERE book_id = ' . (int) $book_id : 'WHERE book_id > 0'; |
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$sql = 'SELECT COUNT(chapter_id) AS counter |
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FROM ' . $this->table_name . " |
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$sql_where"; |
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$result = $this->db->sql_query($sql); |
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$counter = (int) $this->db->sql_fetchfield('counter'); |
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$this->db->sql_freeresult($result); |
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return $counter; |
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} |
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/** |
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* Get all chapters |
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* |
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* @param int $parent_id Parent ID |
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* @return array |
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*/ |
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public function get_chapters($parent_id = 0) |
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{ |
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$entities = []; |
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// Load all entity data from the database into an array |
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$rowset = $this->nestedset->get_chapter_data($parent_id); |
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foreach ($rowset as $row) |
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{ |
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$entities[] = $this->container->get('vinabb.web.entities.bbook_chapter')->import($row); |
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} |
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return $entities; |
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} |
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/** |
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* Add a chapter |
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* |
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* @param \vinabb\web\entities\bbook_chapter_interface $entity Chapter entity |
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* @param int $parent_id Parent ID |
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* @return \vinabb\web\entities\bbook_chapter_interface |
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*/ |
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public function add_chapter(\vinabb\web\entities\bbook_chapter_interface $entity, $parent_id = 0) |
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{ |
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// Insert the entity to the database |
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$entity->insert(); |
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// Get the newly inserted entity ID |
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$id = $entity->get_id(); |
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// Update the tree for the entity in the database |
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$this->nestedset->add_to_nestedset($id); |
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// If a parent ID was supplied, update the parent ID and tree IDs |
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if ($parent_id) |
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{ |
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$this->nestedset->change_parent($id, $parent_id); |
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} |
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// Reload the data to return a fresh entity |
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return $entity->load($id); |
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} |
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/** |
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* Move a chapter up/down |
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* |
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* @param int $id Chapter ID |
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* @param string $direction The direction: up|down |
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* @param int $amount The number of places to move |
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* @throws \vinabb\web\exceptions\out_of_bounds |
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*/ |
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public function move_chapter($id, $direction = 'up', $amount = 1) |
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{ |
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$id = (int) $id; |
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$amount = (int) $amount; |
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try |
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{ |
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$this->nestedset->move($id, (($direction !== 'up') ? -$amount : $amount)); |
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} |
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catch (\OutOfBoundsException $e) |
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{ |
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throw new \vinabb\web\exceptions\out_of_bounds('chapter_id'); |
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} |
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} |
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/** |
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* Change the parent |
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* |
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* @param int $id Chapter ID |
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* @param int $new_parent_id New parent ID |
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* @throws \vinabb\web\exceptions\out_of_bounds |
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*/ |
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public function change_parent($id, $new_parent_id) |
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{ |
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$id = (int) $id; |
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$new_parent_id = (int) $new_parent_id; |
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try |
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{ |
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$this->nestedset->change_parent($id, $new_parent_id); |
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} |
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catch (\OutOfBoundsException $e) |
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{ |
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$field = (strpos($e->getMessage(), 'INVALID_ITEM') !== false) ? 'chapter_id' : 'new_parent_id'; |
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throw new \vinabb\web\exceptions\out_of_bounds($field); |
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} |
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} |
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/** |
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* Get a chapter's parent chapters (for use in breadcrumbs) |
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* |
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* @param int $parent_id Parent ID |
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* @return array |
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*/ |
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public function get_parents($parent_id) |
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{ |
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$entities = []; |
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// Load all parent data from the database into an array |
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$rows = $this->nestedset->get_path_data($parent_id); |
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foreach ($rows as $row) |
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{ |
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$entities[] = $this->container->get('vinabb.web.entities.bbook_chapter')->import($row); |
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} |
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return $entities; |
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} |
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/** |
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* Update the view counter |
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* |
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* @param int $id Chapter ID |
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*/ |
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public function increase_views($id) |
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{ |
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$sql = 'UPDATE ' . $this->table_name . ' |
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SET chapter_views = chapter_views + 1 |
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WHERE chapter_id = ' . (int) $id; |
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$this->db->sql_query($sql); |
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} |
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/** |
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* Delete a chapter |
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* |
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* @param int $id Chapter ID |
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* @throws \vinabb\web\exceptions\out_of_bounds |
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*/ |
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public function delete_chapter($id) |
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{ |
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$id = (int) $id; |
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try |
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{ |
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$this->nestedset->delete($id); |
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} |
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catch (\OutOfBoundsException $e) |
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{ |
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throw new \vinabb\web\exceptions\out_of_bounds('chapter_id'); |
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} |
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} |
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} |
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VinaBB /
VinaBB.vn
