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https://github.com/tobento-ch/service-repository

Repository interfaces for PHP applications.
https://github.com/tobento-ch/service-repository

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Repository interfaces for PHP applications.

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README

        

# Repository Service

Repository interfaces for PHP applications.

## Table of Contents

- [Getting started](#getting-started)
- [Requirements](#requirements)
- [Highlights](#highlights)
- [Documentation](#documentation)
- [Interfaces](#interfaces)
- [Repository Interface](#repository-interface)
- [Read Repository Interface](#read-repository-interface)
- [Write Repository Interface](#write-repository-interface)
- [Entity Factory Interface](#entity-factory-interface)
- [Read Only Repository Adapter](#read-only-repository-adapter)
- [Events Repository Adapter](#events-repository-adapter)
- [Eventer](#eventer)
- [Credits](#credits)
___

# Getting started

Add the latest version of the repository service project running this command.

```
composer require tobento/service-repository
```

## Requirements

- PHP 8.0 or greater

## Highlights

- Framework-agnostic, will work with any project
- Decoupled design

# Documentation

## Interfaces

### Repository Interface

```php
namespace Tobento\Service\Repository;

interface RepositoryInterface extends ReadRepositoryInterface, WriteRepositoryInterface
{
//
}
```

### Read Repository Interface

```php
namespace Tobento\Service\Repository;

interface ReadRepositoryInterface
{
/**
* Returns the found entity using the specified id (primary key)
* or null if none found.
*
* @param int|string $id
* @return null|object
* @throws RepositoryReadException
*/
public function findById(int|string $id): null|object;

/**
* Returns the found entity using the specified id (primary key)
* or null if none found.
*
* @param int|string ...$ids
* @return iterable
* @throws RepositoryReadException
*/
public function findByIds(int|string ...$ids): iterable;

/**
* Returns the found entity using the specified where parameters
* or null if none found.
*
* @param array $where
* @return null|object
* @throws RepositoryReadException
*/
public function findOne(array $where = []): null|object;

/**
* Returns the found entities using the specified parameters.
*
* @param array $where Usually where parameters.
* @param array $orderBy The order by parameters.
* @param null|int|array $limit The limit e.g. 5 or [5(number), 10(offset)].
* @return iterable
* @throws RepositoryReadException
*/
public function findAll(array $where = [], array $orderBy = [], null|int|array $limit = null): iterable;

/**
* Returns the found column values using the specified parameters.
*
* @param string $column The column name for the values.
* @param null|string $key The column name for the index key.
* @param array $where Usually where parameters.
* @param array $orderBy The order by parameters.
* @param null|int|array $limit The limit e.g. 5 or [5(number), 10(offset)].
* @return array
* @throws RepositoryReadException
*/
public function findColumn(
string $column,
null|string $key = null,
array $where = [],
array $orderBy = [],
null|int|array $limit = null
): array;

/**
* Returns the number of items using the specified where parameters.
*
* @param array $where
* @return int
* @throws RepositoryReadException
*/
public function count(array $where = []): int;
}
```

### Write Repository Interface

```php
namespace Tobento\Service\Repository;

interface WriteRepositoryInterface
{
/**
* Create an entity.
*
* @param array $attributes
* @return object The created entity.
* @throws RepositoryCreateException
*/
public function create(array $attributes): object;

/**
* Update an entity by id.
*
* @param string|int $id
* @param array $attributes The attributes to update the entity.
* @return object The updated entity.
* @throws RepositoryUpdateException
*/
public function updateById(string|int $id, array $attributes): object;

/**
* Update entities.
*
* @param array $where The where parameters.
* @param array $attributes The attributes to update the entities.
* @return iterable The updated entities.
* @throws RepositoryUpdateException
*/
public function update(array $where, array $attributes): iterable;

/**
* Delete an entity by id.
*
* @param string|int $id
* @return object The deleted entity.
* @throws RepositoryDeleteException
*/
public function deleteById(string|int $id): object;

/**
* Delete entities.
*
* @param array $where The where parameters.
* @return iterable The deleted entities.
* @throws RepositoryDeleteException
*/
public function delete(array $where): iterable;
}
```

### Entity Factory Interface

```php
namespace Tobento\Service\Repository;

interface EntityFactoryInterface
{
/**
* Create an entity from array.
*
* @param array $attributes
* @return object The created entity.
*/
public function createEntityFromArray(array $attributes): object;
}
```

## Read Only Repository Adapter

Any repository implementing the ```RepositoryInterface::class``` can be made read-only by decorating them using the ```ReadOnlyRepositoryAdapter::class```:

```php
use Tobento\Service\Repository\ReadOnlyRepositoryAdapter;
use Tobento\Service\Repository\RepositoryInterface;

$readOnlyRepository = new ReadOnlyRepositoryAdapter(
repository: $repository, // RepositoryInterface
);
```

## Events Repository Adapter

Any repository implementing the ```ReadRepositoryInterface::class``` or ```WriteRepositoryInterface::class``` can be made to dispatch default events by decorating them using the ```EventsRepositoryAdapter::class```:

```php
use Psr\EventDispatcher\EventDispatcherInterface;
use Tobento\Service\Repository\EventsRepositoryAdapter;
use Tobento\Service\Repository\ReadRepositoryInterface;
use Tobento\Service\Repository\WriteRepositoryInterface;
use Tobento\Service\Repository\Event;

$eventsRepository = new EventsRepositoryAdapter(
eventDispatcher: $eventDispatcher, // EventDispatcherInterface
repository: $repository, // ReadRepositoryInterface or WriteRepositoryInterface

// if false (default) event attributes get used on write methods
immutableAttributes: false,
);
```

**Default Events**

| Event | Description |
| --- | --- |
| ```Event\Retrieved::class``` | The event will dispatch **after** an entity is retrieved from the read methods only. |
| ```Event\Creating::class``` | The event will dispatch **before** an entity is created. |
| ```Event\Created::class``` | The event will dispatch **after** an entity is created. |
| ```Event\Updating::class``` | The event will dispatch **before** an entity is updated. |
| ```Event\Updated::class``` | The event will dispatch **after** an entity is updated. |
| ```Event\Deleting::class``` | The event will dispatch **before** an entity is deleted. |
| ```Event\Deleted::class``` | The event will dispatch **after** an entity is deleted. |

### Eventer

The eventer may be used to easily create a ```EventsRepositoryAdapter::class``` if you want only to have certain events dispatched.

**Create Eventer**

```php
use Psr\EventDispatcher\EventDispatcherInterface;
use Tobento\Service\Repository\EventerInterface;
use Tobento\Service\Repository\Eventer;

$eventer = new Eventer(
eventDispatcher: $eventDispatcher, // EventDispatcherInterface
);

var_dump($eventer instanceof EventerInterface);
// bool(true)
```

**Using Eventer**

```php
use Tobento\Service\Repository\EventerInterface;

class SomeService
{
public function createAction(EventerInterface $eventer)
{
$entity = $eventer
->repository($this->someRepository)
->create(['title' => 'Lorem']);

// or
$entity = $eventer
->repository(
repository: $this->someRepository,
immutableAttributes: true, // default is false
)
->create(['title' => 'Lorem']);
}
}
```

# Credits

- [Tobias Strub](https://www.tobento.ch)
- [All Contributors](../../contributors)