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Introduce new Hook logic

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- InstanceManager for computing strategies and to allow decorators
- Adapting Core\Logger to use it
This commit is contained in:
Philipp Holzer 2023-01-15 22:31:19 +01:00
commit f609e38600
Signed by: nupplaPhil
GPG key ID: 24A7501396EB5432
22 changed files with 844 additions and 236 deletions
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29
src/Core/Hooks/Capabilities/IAmAStrategy.php Normal file
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<?php
/**
* @copyright Copyright (C) 2010-2023, 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\Core\Hooks\Capabilities;
/**
* All interfaces, marking this interface are valid Strategies for Hook calls
*/
interface IAmAStrategy
{
}

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src/Core/Hooks/Capabilities/ICanManageInstances.php Normal file
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<?php
/**
* @copyright Copyright (C) 2010-2023, 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\Core\Hooks\Capabilities;
use Friendica\Core\Hooks\Exceptions\HookInstanceException;
use Friendica\Core\Hooks\Exceptions\HookRegisterArgumentException;
/**
* Managing special instance and decorator treatments for classes
*/
interface ICanManageInstances
{
/**
* Register a class(strategy) for a given interface with a unique name.
*
* @see https://refactoring.guru/design-patterns/strategy
*
* @param string $interface The interface, which the given class implements
* @param string $name The name of the given class, which will be used for factories, dependency injections etc.
* @param string $class The class of the given class
* @param ?array $arguments Additional arguments, which can be passed to the constructor
*
* @return $this This interface for chain-calls
*
* @throws HookRegisterArgumentException in case the given class for the interface isn't valid or already set
*/
public function registerStrategy(string $interface, string $name, string $class, array $arguments = null): self;
/**
* Register a new decorator for a given class or interface
* @see https://refactoring.guru/design-patterns/decorator
*
* @note Decorator attach new behaviors to classes without changing them or without letting them know about it.
*
* @param string $class The class or interface, which gets decorated by a class
* @param string $decoratorClass The class, which mimics the given class or interface and adds new functionality
* @param array $arguments Additional arguments, which can be passed to the constructor of "decoratorClass"
*
* @return $this This interface for chain-calls
*
* @throws HookRegisterArgumentException in case the given class for the class or interface isn't valid
*/
public function registerDecorator(string $class, string $decoratorClass, array $arguments = []): self;
/**
* Returns a new instance of a given class for the corresponding name
*
* The instance will be build based on the registered strategy and the (unique) name
*
* In case, there are registered decorators for this class as well, all decorators of the list will be wrapped
* around the instance before returning it
*
* @param string $class A given class or interface, which will get returned
* @param string $name The name of the concrete class, wich
* @param array $arguments Additional arguments, which can be passed to the constructor of "$class" at runtime
*
* @return object The concrete instance of the type "$class"
*
* @throws HookInstanceException In case the class cannot get created
*/
public function getInstance(string $class, string $name, array $arguments = []): object;
}

30
src/Core/Hooks/Exceptions/HookInstanceException.php Normal file
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<?php
/**
* @copyright Copyright (C) 2010-2023, 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\Core\Hooks\Exceptions;
class HookInstanceException extends \RuntimeException
{
public function __construct($message = "", \Throwable $previous = null)
{
parent::__construct($message, 500, $previous);
}
}

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src/Core/Hooks/Exceptions/HookRegisterArgumentException.php Normal file
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<?php
/**
* @copyright Copyright (C) 2010-2023, 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\Core\Hooks\Exceptions;
class HookRegisterArgumentException extends \RuntimeException
{
public function __construct($message = "", \Throwable $previous = null)
{
parent::__construct($message, 500, $previous);
}
}

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src/Core/Hooks/Model/InstanceManager.php Normal file
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<?php
/**
* @copyright Copyright (C) 2010-2023, 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\Core\Hooks\Model;
use Dice\Dice;
use Friendica\Core\Hooks\Capabilities\IAmAStrategy;
use Friendica\Core\Hooks\Capabilities\ICanManageInstances;
use Friendica\Core\Hooks\Exceptions\HookInstanceException;
use Friendica\Core\Hooks\Exceptions\HookRegisterArgumentException;
/** {@inheritDoc} */
class InstanceManager implements ICanManageInstances
{
protected $instance = [];
protected $instanceArguments = [];
protected $decorator = [];
/** @var Dice */
protected $dice;
public function __construct(Dice $dice)
{
$this->dice = $dice;
}
/** {@inheritDoc} */
public function registerStrategy(string $interface, string $name, string $class, array $arguments = null): ICanManageInstances
{
if (!is_a($class, $interface, true)) {
throw new HookRegisterArgumentException(sprintf('%s is not a valid class for the interface %s', $class, $interface));
}
if (!is_a($class, IAmAStrategy::class, true)) {
throw new HookRegisterArgumentException(sprintf('%s does not inherit from the marker interface %s', $class, IAmAStrategy::class));
}
if (!empty($this->instance[$interface][$name])) {
throw new HookRegisterArgumentException(sprintf('A class with the name %s is already set for the interface %s', $name, $interface));
}
$this->instance[$interface][$name] = $class;
$this->instanceArguments[$interface][$name] = $arguments;
return $this;
}
/** {@inheritDoc} */
public function registerDecorator(string $class, string $decoratorClass, array $arguments = []): ICanManageInstances
{
if (!is_a($decoratorClass, $class, true)) {
throw new HookRegisterArgumentException(sprintf('%s is not a valid subsituation for the given class or interface %s', $decoratorClass, $class));
}
$this->decorator[$class][] = [
'class' => $decoratorClass,
'arguments' => $arguments,
];
return $this;
}
/** {@inheritDoc} */
public function getInstance(string $class, string $name, array $arguments = []): object
{
if (empty($this->instance[$class][$name])) {
throw new HookInstanceException(sprintf('The class with the name %s isn\'t registered for the class or interface %s', $name, $class));
}
$instance = $this->dice->create($this->instance[$class][$name], array_merge($this->instanceArguments[$class][$name] ?? [], $arguments));
foreach ($this->decorator[$class] ?? [] as $decorator) {
$this->dice = $this->dice->addRule($class, [
'instanceOf' => $decorator['class'],
'constructParams' => empty($decorator['arguments']) ? null : $decorator['arguments'],
/// @todo maybe support call structures for hooks as well in a later stage - could make factory calls easier
'call' => null,
'substitutions' => [$class => $instance],
]);
$instance = $this->dice->create($class);
}
return $instance;
}
}