quicknotes/lib/Db/NoteTagMapper.php

<?php
namespace OCA\QuickNotes\Db;

use OCP\IDBConnection;
use OCP\AppFramework\Db\Mapper;

class NoteTagMapper extends Mapper {

	public function __construct(IDBConnection $db) {
		parent::__construct($db, 'quicknotes_note_tags', '\OCA\QuickNotes\Db\NoteTag');
	}

	public function find($id, $userId) {
		$sql = 'SELECT * FROM *PREFIX*quicknotes_note_tags WHERE id = ? AND user_id = ?';
		return $this->findEntity($sql, [$id, $userId]);
	}

	public function findAll($userId) {
		$sql = 'SELECT * FROM *PREFIX*quicknotes_note_tags WHERE user_id = ?';
		return $this->findEntities($sql, [$userId]);
	}

	public function findNoteTag($userId, $noteId, $tagId) {
		$sql = 'SELECT * FROM *PREFIX*quicknotes_note_tags WHERE user_id = ? AND note_id = ? AND tag_id = ?';
		return $this->findEntity($sql, [$userId, $noteId, $tagId]);
	}

	public function noteTagExists($userId, $noteId, $tagId) {
		$sql = 'SELECT * FROM *PREFIX*quicknotes_note_tags WHERE user_id = ? AND note_id = ? AND tag_id = ?';
		try {
			return $this->findEntities($sql, [$userId, $noteId, $tagId]);
		} catch (DoesNotExistException $e) {
			return false;
		}
		return true;
	}

}