friendica/src/Database/Definition/ViewDefinition.php
Philipp a910fd8864
Split DBStructure & View to avoid DB-calls and dependencies for basic operations
- new "Definition" classes vor DB and Views
- new "Writer" classes to create SQL definitions for DB and Views
- DBStructure & View are responsible to execute DB-querys
2022-07-12 23:40:31 +02:00

92 lines
2.5 KiB
PHP

<?php
/**
* @copyright Copyright (C) 2010-2022, the Friendica project
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
namespace Friendica\Database\Definition;
use Exception;
use Friendica\Core\Hook;
/**
* Stores the whole View definitions
*/
class ViewDefinition
{
/** @var string the relative path to the database view config file */
const DBSTRUCTURE_RELATIVE_PATH = '/static/dbview.config.php';
/** @var array The complete view definition as an array */
protected $definition;
/** @var string */
protected $configFile;
/**
* @param string $basePath The basepath of the dbview file (loads relative path in case of null)
*
* @throws Exception in case the config file isn't available/readable
*/
public function __construct(string $basePath)
{
$this->configFile = $basePath . static::DBSTRUCTURE_RELATIVE_PATH;
if (!is_readable($this->configFile)) {
throw new Exception('Missing database structure config file static/dbview.config.php at basePath=' . $basePath);
}
}
/**
* @return array Returns the whole Definition as an array
*/
public function getAll(): array
{
return $this->definition;
}
/**
* Loads the database structure definition from the static/dbview.config.php file.
* On first pass, defines DB_UPDATE_VERSION constant.
*
* @param bool $withAddonStructure Whether to tack on addons additional tables
*
* @throws Exception in case the definition cannot be found
*
* @see static/dbview.config.php
*
* @return self The current instance
*/
public function load(bool $withAddonStructure = false): self
{
$definition = require $this->configFile;
if (!$definition) {
throw new Exception('Corrupted database structure config file static/dbstructure.config.php');
}
if ($withAddonStructure) {
Hook::callAll('dbview_definition', $definition);
}
$this->definition = $definition;
return $this;
}
}