nextcloud-forum/lib/Db/ForumUserMapper.php

<?php

declare(strict_types=1);

// SPDX-FileCopyrightText: Chen Asraf <contact@casraf.dev>
// SPDX-License-Identifier: AGPL-3.0-or-later

namespace OCA\Forum\Db;

use OCA\Forum\AppInfo\Application;
use OCP\AppFramework\Db\DoesNotExistException;
use OCP\AppFramework\Db\QBMapper;
use OCP\DB\QueryBuilder\IQueryBuilder;
use OCP\IDBConnection;

/**
 * @template-extends QBMapper<ForumUser>
 */
class ForumUserMapper extends QBMapper {
	public function __construct(
		IDBConnection $db,
	) {
		parent::__construct($db, Application::tableName('forum_users'), ForumUser::class);
	}

	/**
	 * @throws \OCP\AppFramework\Db\MultipleObjectsReturnedException
	 * @throws DoesNotExistException
	 */
	public function find(int $id): ForumUser {
		/* @var $qb IQueryBuilder */
		$qb = $this->db->getQueryBuilder();
		$qb->select('*')
			->from($this->getTableName())
			->where(
				$qb->expr()
					->eq('id', $qb->createNamedParameter($id, IQueryBuilder::PARAM_INT))
			);
		return $this->findEntity($qb);
	}

	/**
	 * @throws \OCP\AppFramework\Db\MultipleObjectsReturnedException
	 * @throws DoesNotExistException
	 */
	public function findByUserId(string $userId): ForumUser {
		/* @var $qb IQueryBuilder */
		$qb = $this->db->getQueryBuilder();
		$qb->select('*')
			->from($this->getTableName())
			->where(
				$qb->expr()
					->eq('user_id', $qb->createNamedParameter($userId, IQueryBuilder::PARAM_STR))
			);
		return $this->findEntity($qb);
	}

	/**
	 * @return array<ForumUser>
	 */
	public function findAll(): array {
		/* @var $qb IQueryBuilder */
		$qb = $this->db->getQueryBuilder();
		$qb->select('*')->from($this->getTableName());
		return $this->findEntities($qb);
	}

	/**
	 * Count all forum users
	 */
	public function countAll(): int {
		$qb = $this->db->getQueryBuilder();
		$qb->select($qb->func()->count('*', 'count'))
			->from($this->getTableName());
		$result = $qb->executeQuery();
		$row = $result->fetch();
		$result->closeCursor();
		return (int)($row['count'] ?? 0);
	}

	/**
	 * Count users created since a timestamp
	 */
	public function countSince(int $timestamp): int {
		$qb = $this->db->getQueryBuilder();
		$qb->select($qb->func()->count('*', 'count'))
			->from($this->getTableName())
			->where($qb->expr()->gte('created_at', $qb->createNamedParameter($timestamp, IQueryBuilder::PARAM_INT)));
		$result = $qb->executeQuery();
		$row = $result->fetch();
		$result->closeCursor();
		return (int)($row['count'] ?? 0);
	}

	/**
	 * Get top contributors by post count
	 *
	 * @return array<array<string, mixed>>
	 */
	public function getTopContributors(int $limit = 5): array {
		$qb = $this->db->getQueryBuilder();
		$qb->select('user_id', 'post_count')
			->from($this->getTableName())
			->orderBy('post_count', 'DESC')
			->setMaxResults($limit);
		$result = $qb->executeQuery();
		$contributors = [];
		while ($row = $result->fetch()) {
			$contributors[] = [
				'userId' => $row['user_id'],
				'postCount' => (int)$row['post_count'],
			];
		}
		$result->closeCursor();
		return $contributors;
	}
}