mirror of
https://github.com/friendica/friendica
synced 2024-12-24 12:40:16 +00:00
234 lines
5.6 KiB
PHP
234 lines
5.6 KiB
PHP
<?php
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/**
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* @copyright Copyright (C) 2020, Friendica
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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namespace Friendica;
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use Friendica\Database\Database;
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use Friendica\Database\DBA;
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use Friendica\Network\HTTPException;
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use Psr\Log\LoggerInterface;
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/**
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* Repositories are Factories linked to one or more database tables.
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*
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* @see BaseModel
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* @see BaseCollection
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*/
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abstract class BaseRepository extends BaseFactory
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{
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const LIMIT = 30;
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/** @var Database */
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protected $dba;
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/** @var string */
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protected static $table_name;
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/** @var BaseModel */
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protected static $model_class;
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/** @var BaseCollection */
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protected static $collection_class;
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public function __construct(Database $dba, LoggerInterface $logger)
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{
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parent::__construct($logger);
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$this->dba = $dba;
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$this->logger = $logger;
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}
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/**
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* Fetches a single model record. The condition array is expected to contain a unique index (primary or otherwise).
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*
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* Chainable.
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*
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* @param array $condition
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* @return BaseModel
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* @throws HTTPException\NotFoundException
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*/
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public function selectFirst(array $condition)
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{
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$data = $this->dba->selectFirst(static::$table_name, [], $condition);
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if (!$data) {
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throw new HTTPException\NotFoundException(static::class . ' record not found.');
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}
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return $this->create($data);
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}
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/**
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* Populates a Collection according to the condition.
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*
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* Chainable.
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*
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* @param array $condition
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* @param array $params
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* @return BaseCollection
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* @throws \Exception
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*/
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public function select(array $condition = [], array $params = [])
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{
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$models = $this->selectModels($condition, $params);
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return new static::$collection_class($models);
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}
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/**
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* Populates the collection according to the condition. Retrieves a limited subset of models depending on the boundaries
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* and the limit. The total count of rows matching the condition is stored in the collection.
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*
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* Chainable.
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*
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* @param array $condition
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* @param array $params
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* @param int? $max_id
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* @param int? $since_id
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* @param int $limit
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* @return BaseCollection
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* @throws \Exception
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*/
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public function selectByBoundaries(array $condition = [], array $params = [], int $max_id = null, int $since_id = null, int $limit = self::LIMIT)
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{
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$condition = DBA::collapseCondition($condition);
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$boundCondition = $condition;
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if (isset($max_id)) {
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$boundCondition[0] .= " AND `id` < ?";
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$boundCondition[] = $max_id;
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}
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if (isset($since_id)) {
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$boundCondition[0] .= " AND `id` > ?";
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$boundCondition[] = $since_id;
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}
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$params['limit'] = $limit;
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$models = $this->selectModels($boundCondition, $params);
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$totalCount = DBA::count(static::$table_name, $condition);
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return new static::$collection_class($models, $totalCount);
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}
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/**
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* This method updates the database row from the model.
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*
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* @param BaseModel $model
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* @return bool
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* @throws \Exception
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*/
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public function update(BaseModel $model)
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{
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if ($this->dba->update(static::$table_name, $model->toArray(), ['id' => $model->id], $model->getOriginalData())) {
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$model->resetOriginalData();
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return true;
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}
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return false;
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}
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/**
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* This method creates a new database row and returns a model if it was successful.
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*
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* @param array $fields
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* @return BaseModel|bool
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* @throws \Exception
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*/
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public function insert(array $fields)
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{
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$return = $this->dba->insert(static::$table_name, $fields);
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if (!$return) {
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throw new HTTPException\InternalServerErrorException('Unable to insert new row in table "' . static::$table_name . '"');
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}
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$fields['id'] = $this->dba->lastInsertId();
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$return = $this->create($fields);
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return $return;
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}
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/**
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* Deletes the model record from the database.
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*
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* @param BaseModel $model
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* @return bool
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* @throws \Exception
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*/
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public function delete(BaseModel &$model)
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{
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if ($success = $this->dba->delete(static::$table_name, ['id' => $model->id])) {
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$model = null;
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}
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return $success;
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}
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/**
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* Base instantiation method, can be overriden to add specific dependencies
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*
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* @param array $data
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* @return BaseModel
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*/
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protected function create(array $data)
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{
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return new static::$model_class($this->dba, $this->logger, $data);
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}
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/**
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* @param array $condition Query condition
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* @param array $params Additional query parameters
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* @return BaseModel[]
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* @throws \Exception
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*/
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protected function selectModels(array $condition, array $params = [])
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{
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$result = $this->dba->select(static::$table_name, [], $condition, $params);
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/** @var BaseModel $prototype */
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$prototype = null;
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$models = [];
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while ($record = $this->dba->fetch($result)) {
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if ($prototype === null) {
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$prototype = $this->create($record);
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$models[] = $prototype;
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} else {
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$models[] = static::$model_class::createFromPrototype($prototype, $record);
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}
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}
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return $models;
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}
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/**
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* @param BaseCollection $collection
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*/
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public function saveCollection(BaseCollection $collection)
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{
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$collection->map([$this, 'update']);
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}
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}
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