Move Introduction to new depository paradigm

doc/Developer-Domain-Driven-Design.md

@@ -36,17 +36,18 @@ doSomething($intros);
 ```
 
 After:
+
 ```php
-function doSomething(\Friendica\Collection\Introductions $intros)
+function doSomething(\Friendica\Contact\Introductions\Collection\Introductions $intros)
 {
     foreach ($intros as $intro) {
-        /** @var $intro \Friendica\Model\Introduction */
+        /** @var $intro \Friendica\Contact\Introductions\Entity\Introduction */
         $introId = $intro->id;
     }
 }
 
-/** @var $intros \Friendica\Collection\Introductions */
-$intros = \Friendica\DI::intro()->select(['uid' => local_user()]);
+/** @var $intros \Friendica\Contact\Introductions\Collection\Introductions */
+$intros = \Friendica\DI::intro()->selecForUser(local_user());
 
 doSomething($intros);
 ```

src/Contact/Introduction/Collection/Introductions.php

@@ -0,0 +1,9 @@
+<?php
+
+namespace Friendica\Contact\Introduction\Collection;
+
+use Friendica\BaseCollection;
+
+class Introductions extends BaseCollection
+{
+}

src/Contact/Introduction/Depository/Introduction.php

@@ -0,0 +1,168 @@
+<?php
+/**
+ * @copyright Copyright (C) 2010-2021, 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\Contact\Introduction\Depository;
+
+use Friendica\BaseDepository;
+use Friendica\Contact\Introduction\Exception\IntroductionNotFoundException;
+use Friendica\Contact\Introduction\Exception\IntroductionPersistenceException;
+use Friendica\Contact\Introduction\Collection;
+use Friendica\Contact\Introduction\Entity;
+use Friendica\Contact\Introduction\Factory;
+use Friendica\Database\Database;
+use Friendica\Network\HTTPException\NotFoundException;
+use Friendica\Util\DateTimeFormat;
+use Psr\Log\LoggerInterface;
+
+class Introduction extends BaseDepository
+{
+	/** @var Factory\Introduction */
+	protected $factory;
+
+	protected static $table_name = 'intro';
+
+	public function __construct(Database $database, LoggerInterface $logger, Factory\Introduction $factory)
+	{
+		parent::__construct($database, $logger, $factory);
+	}
+
+	/**
+	 * @param array $condition
+	 * @param array $params
+	 *
+	 * @return Entity\Introduction
+	 *
+	 * @throws NotFoundException the underlying exception if there's no Introduction with the given conditions
+	 */
+	private function selectOne(array $condition, array $params = []): Entity\Introduction
+	{
+		return parent::_selectOne($condition, $params);
+	}
+
+	/**
+	 * Converts a given Introduction into a DB compatible row array
+	 *
+	 * @param Entity\Introduction $introduction
+	 *
+	 * @return array
+	 */
+	protected function convertToTableRow(Entity\Introduction $introduction): array
+	{
+		return [
+			'uid'         => $introduction->uid,
+			'fid'         => $introduction->fid,
+			'contact-id'  => $introduction->cid,
+			'suggest-cid' => $introduction->sid,
+			'knowyou'     => $introduction->knowyou ? 1 : 0,
+			'duplex'      => $introduction->duplex ? 1 : 0,
+			'note'        => $introduction->note,
+			'hash'        => $introduction->hash,
+			'blocked'     => $introduction->blocked ? 1 : 0,
+			'ignore'      => $introduction->ignore ? 1 : 0
+		];
+	}
+
+	/**
+	 * @param int $id
+	 * @param int $uid
+	 *
+	 * @return Entity\Introduction
+	 *
+	 * @throws IntroductionNotFoundException in case there is no Introduction with this id
+	 */
+	public function selectOneById(int $id, int $uid): Entity\Introduction
+	{
+		try {
+			return $this->selectOne(['id' => $id, 'uid' => $uid]);
+		} catch (NotFoundException $exception) {
+			throw new IntroductionNotFoundException(sprintf('There is no Introduction with the ID %d for the user %d', $id, $uid), $exception);
+		}
+	}
+
+	/**
+	 * Selects introductions for a given user
+	 *
+	 * @param int      $uid
+	 * @param int|null $min_id
+	 * @param int|null $max_id
+	 * @param int      $limit
+	 *
+	 * @return Collection\Introductions
+	 */
+	public function selectForUser(int $uid, int $min_id = null, int $max_id = null, int $limit = self::LIMIT): Collection\Introductions
+	{
+		try {
+			$BaseCollection = parent::_selectByBoundaries(
+				['`uid = ?` AND NOT `ignore`',$uid],
+				['order' => ['id' => 'DESC']],
+				$min_id, $max_id, $limit);
+		} catch (\Exception $e) {
+			throw new IntroductionPersistenceException(sprintf('Cannot select Introductions for used %d', $uid), $e);
+		}
+
+		return new Collection\Introductions($BaseCollection->getArrayCopy(), $BaseCollection->getTotalCount());
+	}
+
+	/**
+	 * @param Entity\Introduction $introduction
+	 *
+	 * @return bool
+	 *
+	 * @throws IntroductionPersistenceException in case the underlying storage cannot delete the Introduction
+	 */
+	public function delete(Entity\Introduction $introduction): bool
+	{
+		if (!$introduction->id) {
+			return false;
+		}
+
+		try {
+			return $this->db->delete(self::$table_name, ['id' => $introduction->id]);
+		} catch (\Exception $e) {
+			throw new IntroductionPersistenceException(sprintf('Cannot delete Introduction with id %d', $introduction->id), $e);
+		}
+	}
+
+	/**
+	 * @param Entity\Introduction $introduction
+	 *
+	 * @return Entity\Introduction
+	 *
+	 * @throws IntroductionPersistenceException In case the underlying storage cannot save the Introduction
+	 */
+	public function save(Entity\Introduction $introduction): Entity\Introduction
+	{
+		try {
+			$fields             = $this->convertToTableRow($introduction);
+			$fields['datetime'] = DateTimeFormat::utcNow();
+
+			if ($introduction->id) {
+				$this->db->update(self::$table_name, $fields, ['id' => $introduction->id]);
+				return $this->factory->createFromTableRow($fields);
+			} else {
+				$this->db->insert(self::$table_name, $fields);
+				return $this->selectOneById($this->db->lastInsertId(), $introduction->uid);
+			}
+		} catch (\Exception $exception) {
+			throw new IntroductionPersistenceException(sprintf('Cannot insert/update the Introduction %d for user %d', $introduction->id, $introduction->uid), $exception);
+		}
+	}
+}

src/Contact/Introduction/Entity/Introduction.php

@@ -0,0 +1,98 @@
+<?php
+/**
+ * @copyright Copyright (C) 2010-2021, 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\Contact\Introduction\Entity;
+
+use Friendica\BaseEntity;
+
+/**
+ * @property-read int $uid
+ * @property-read int $fid
+ * @property-read int $cid
+ * @property-read int $sid
+ * @property-read bool $knowyou
+ * @property-read bool $duplex
+ * @property-read string $note
+ * @property-read string $hash
+ * @property-read \DateTime $datetime
+ * @property-read bool $blocked
+ * @property-read bool $ignore
+ * @property-read int|null $id
+ */
+class Introduction extends BaseEntity
+{
+	/** @var int */
+	protected $uid;
+	/** @var int */
+	protected $fid;
+	/** @var int */
+	protected $cid;
+	/** @var int */
+	protected $sid;
+	/** @var bool */
+	protected $knowyou;
+	/** @var bool */
+	protected $duplex;
+	/** @var string */
+	protected $note;
+	/** @var string */
+	protected $hash;
+	/** @var \DateTime */
+	protected $datetime;
+	/** @var bool */
+	protected $blocked;
+	/** @var bool */
+	protected $ignore;
+	/** @var int|null */
+	protected $id;
+
+	/**
+	 * @param int      $uid
+	 * @param int      $fid
+	 * @param int      $cid
+	 * @param bool     $knowyou
+	 * @param bool     $duplex
+	 * @param string   $note
+	 * @param string   $hash
+	 * @param bool     $blocked
+	 * @param bool     $ignore
+	 * @param int|null $id
+	 */
+	public function __construct(int $uid, int $fid, int $cid, int $sid, bool $knowyou, bool $duplex, string $note, string $hash, \DateTime $datetime, bool $blocked, bool $ignore, ?int $id)
+	{
+		$this->uid     = $uid;
+		$this->fid     = $fid;
+		$this->cid     = $cid;
+		$this->sid     = $sid;
+		$this->knowyou = $knowyou;
+		$this->duplex  = $duplex;
+		$this->note    = $note;
+		$this->hash    = $hash;
+		$this->blocked = $blocked;
+		$this->ignore  = $ignore;
+		$this->id      = $id;
+	}
+
+	public function setIgnore()
+	{
+		$this->ignore = true;
+	}
+}

src/Contact/Introduction/Exception/IntroductionNotFoundException.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace Friendica\Contact\Introduction\Exception;
+
+class IntroductionNotFoundException extends \OutOfBoundsException
+{
+	public function __construct($message = "", \Throwable $previous = null)
+	{
+		parent::__construct($message, 404, $previous);
+	}
+}

src/Contact/Introduction/Exception/IntroductionPersistenceException.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace Friendica\Contact\Introduction\Exception;
+
+class IntroductionPersistenceException extends \RuntimeException
+{
+	public function __construct($message = "", \Throwable $previous = null)
+	{
+		parent::__construct($message, 500, $previous);
+	}
+}

src/Contact/Introduction/Factory/Introduction.php

@@ -19,11 +19,32 @@
  *
  */
 
-namespace Friendica\Collection;
+namespace Friendica\Contact\Introduction\Factory;
 
-use Friendica\BaseCollection;
+use Friendica\BaseFactory;
+use Friendica\Contact\Introduction\Entity;
+use Friendica\Capabilities\ICanCreateFromTableRow;
 
-class Introductions extends BaseCollection
+class Introduction extends BaseFactory implements ICanCreateFromTableRow
 {
-
+	/**
+	 * @inheritDoc
+	 */
+	public function createFromTableRow(array $row): Entity\Introduction
+	{
+		return new Entity\Introduction(
+			$row['uid'],
+			$row['fid'],
+			$row['contact-id'],
+			$row['suggested-cid'],
+			!empty($row['knowyou']),
+			!empty($row['dupley']),
+			$row['note'],
+			$row['hash'],
+			new \DateTime($row['datetime'], new \DateTimeZone('UTC')),
+			!empty($row['blocked']),
+			!empty($row['ignore']),
+			$row['id'] ?? null
+		);
+	}
 }

src/DI.php

@@ -435,11 +435,11 @@ abstract class DI
 	}
 
 	/**
-	 * @return Repository\Introduction
+	 * @return Contact\Introduction\Depository\Introduction
 	 */
 	public static function intro()
 	{
-		return self::$dice->create(Repository\Introduction::class);
+		return self::$dice->create(Contact\Introduction\Depository\Introduction::class);
 	}
 
 	public static function permissionSet(): Security\PermissionSet\Depository\PermissionSet

src/Factory/Api/Mastodon/FollowRequest.php

@@ -23,9 +23,9 @@ namespace Friendica\Factory\Api\Mastodon;
 
 use Friendica\App\BaseURL;
 use Friendica\BaseFactory;
+use Friendica\Contact\Introduction\Entity\Introduction;
 use Friendica\Model\APContact;
 use Friendica\Model\Contact;
-use Friendica\Model\Introduction;
 use Friendica\Network\HTTPException;
 use ImagickException;
 use Psr\Log\LoggerInterface;
@@ -49,7 +49,7 @@ class FollowRequest extends BaseFactory
 	 */
 	public function createFromIntroduction(Introduction $introduction): \Friendica\Object\Api\Mastodon\FollowRequest
 	{
-		$cdata = Contact::getPublicAndUserContactID($introduction->{'contact-id'}, $introduction->uid);
+		$cdata = Contact::getPublicAndUserContactID($introduction->cid, $introduction->uid);
 
 		if (empty($cdata)) {
 			$this->logger->warning('Wrong introduction data', ['Introduction' => $introduction]);

src/Model/Contact/Introduction.php

@@ -19,57 +19,34 @@
  *
  */
 
-namespace Friendica\Model;
+namespace Friendica\Model\Contact;
 
-use Friendica\BaseModel;
+use Friendica\Contact\Introduction\Entity;
 use Friendica\Core\Protocol;
-use Friendica\Database\Database;
+use Friendica\DI;
 use Friendica\Network\HTTPException;
+use Friendica\Model\Contact;
+use Friendica\Model\User;
 use Friendica\Protocol\ActivityPub;
 use Friendica\Protocol\Diaspora;
-use Friendica\Repository;
 use Friendica\Util\DateTimeFormat;
-use Psr\Log\LoggerInterface;
 
-/**
- * @property int    uid
- * @property int    fid
- * @property int    contact-id
- * @property bool   knowyou
- * @property bool   duplex
- * @property string note
- * @property string hash
- * @property string datetime
- * @property bool   blocked
- * @property bool   ignore
- */
-class Introduction extends BaseModel
+class Introduction
 {
-	/** @var Repository\Introduction */
-	protected $intro;
-
-	public function __construct(Database $dba, LoggerInterface $logger, Repository\Introduction $intro, array $data = [])
-	{
-		parent::__construct($dba, $logger, $data);
-
-		$this->intro = $intro;
-	}
-
 	/**
 	 * Confirms a follow request and sends a notice to the remote contact.
 	 *
-	 * @param bool               $duplex       Is it a follow back?
-	 * @param bool|null          $hidden       Should this contact be hidden? null = no change
-	 * @return bool
+	 * @param Entity\Introduction $introduction
+	 *
 	 * @throws HTTPException\InternalServerErrorException
 	 * @throws HTTPException\NotFoundException
 	 * @throws \ImagickException
 	 */
-	public function confirm(bool $duplex = false, bool $hidden = null)
+	public static function confirm(Entity\Introduction $introduction): void
 	{
-		$this->logger->info('Confirming follower', ['cid' => $this->{'contact-id'}]);
+		DI::logger()->info('Confirming follower', ['cid' => $introduction->cid]);
 
-		$contact = Contact::selectFirst([], ['id' => $this->{'contact-id'}, 'uid' => $this->uid]);
+		$contact = Contact::selectFirst([], ['id' => $introduction->cid, 'uid' => $introduction->uid]);
 
 		if (!$contact) {
 			throw new HTTPException\NotFoundException('Contact record not found.');
@@ -89,7 +66,7 @@ class Introduction extends BaseModel
 		}
 
 		if (in_array($protocol, [Protocol::DIASPORA, Protocol::ACTIVITYPUB])) {
-			if ($duplex) {
+			if ($introduction->duplex) {
 				$newRelation = Contact::FRIEND;
 			} else {
 				$newRelation = Contact::FOLLOWER;
@@ -117,53 +94,41 @@ class Introduction extends BaseModel
 		if ($newRelation == Contact::FRIEND) {
 			if ($protocol == Protocol::DIASPORA) {
 				$ret = Diaspora::sendShare(User::getById($contact['uid']), $contact);
-				$this->logger->info('share returns', ['return' => $ret]);
+				DI::logger()->info('share returns', ['return' => $ret]);
 			} elseif ($protocol == Protocol::ACTIVITYPUB) {
 				ActivityPub\Transmitter::sendActivity('Follow', $contact['url'], $contact['uid']);
 			}
 		}
-
-		return $this->intro->delete($this);
-	}
-
-	/**
-	 * Silently ignores the introduction, hides it from notifications and prevents the remote contact from submitting
-	 * additional follow requests.
-	 *
-	 * @return bool
-	 * @throws \Exception
-	 */
-	public function ignore()
-	{
-		$this->ignore = true;
-
-		return $this->intro->update($this);
 	}
 
 	/**
 	 * Discards the introduction and sends a rejection message to AP contacts.
 	 *
-	 * @return bool
+	 * @param Entity\Introduction $introduction
+	 *
 	 * @throws HTTPException\InternalServerErrorException
-	 * @throws HTTPException\NotFoundException
 	 * @throws \ImagickException
 	 */
-	public function discard()
+	public static function discard(Entity\Introduction $introduction): void
 	{
 		// If it is a friend suggestion, the contact is not a new friend but an existing friend
 		// that should not be deleted.
-		if (!$this->fid) {
+		if (!$introduction->fid) {
 			// When the contact entry had been created just for that intro, we want to get rid of it now
-			$condition = ['id' => $this->{'contact-id'}, 'uid' => $this->uid,
-				'self' => false, 'pending' => true, 'rel' => [0, Contact::FOLLOWER]];
-			if ($this->dba->exists('contact', $condition)) {
-				Contact::remove($this->{'contact-id'});
+			$condition = [
+				'id'      => $introduction->cid,
+				'uid'     => $introduction->uid,
+				'self'    => false,
+				'pending' => true,
+				'rel'     => [0, Contact::FOLLOWER]];
+			if (DI::dba()->exists('contact', $condition)) {
+				Contact::remove($introduction->cid);
 			} else {
-				Contact::update(['pending' => false], ['id' => $this->{'contact-id'}]);
+				Contact::update(['pending' => false], ['id' => $introduction->cid]);
 			}
 		}
 
-		$contact = Contact::selectFirst([], ['id' => $this->{'contact-id'}, 'uid' => $this->uid]);
+		$contact = Contact::selectFirst([], ['id' => $introduction->cid, 'uid' => $introduction->uid]);
 		if (!empty($contact)) {
 			if (!empty($contact['protocol'])) {
 				$protocol = $contact['protocol'];
@@ -175,7 +140,5 @@ class Introduction extends BaseModel
 				ActivityPub\Transmitter::sendContactReject($contact['url'], $contact['hub-verify'], $contact['uid']);
 			}
 		}
-
-		return $this->intro->delete($this);
 	}
 }

src/Module/Api/Mastodon/FollowRequests.php

@@ -23,6 +23,7 @@ namespace Friendica\Module\Api\Mastodon;
 
 use Friendica\Core\System;
 use Friendica\DI;
+use Friendica\Model\Contact;
 use Friendica\Module\BaseApi;
 use Friendica\Network\HTTPException;
 
@@ -34,7 +35,6 @@ class FollowRequests extends BaseApi
 	/**
 	 * @param array $parameters
 	 * @throws HTTPException\BadRequestException
-	 * @throws HTTPException\ForbiddenException
 	 * @throws HTTPException\InternalServerErrorException
 	 * @throws HTTPException\NotFoundException
 	 * @throws HTTPException\UnauthorizedException
@@ -48,25 +48,28 @@ class FollowRequests extends BaseApi
 		self::checkAllowedScope(self::SCOPE_FOLLOW);
 		$uid = self::getCurrentUserID();
 
-		$introduction = DI::intro()->selectFirst(['id' => $parameters['id'], 'uid' => $uid]);
+		$introduction = DI::intro()->selectOneById($parameters['id'], $uid);
 
-		$contactId = $introduction->{'contact-id'};
+		$contactId = $introduction->cid;
 
 		switch ($parameters['action']) {
 			case 'authorize':
-				$introduction->confirm();
-
+				Contact\Introduction::confirm($introduction);
 				$relationship = DI::mstdnRelationship()->createFromContactId($contactId, $uid);
+
+				DI::intro()->delete($introduction);
 				break;
 			case 'ignore':
-				$introduction->ignore();
-
+				$introduction->setIgnore();
 				$relationship = DI::mstdnRelationship()->createFromContactId($contactId, $uid);
+
+				DI::intro()->save($introduction);
 				break;
 			case 'reject':
-				$introduction->discard();
-
+				Contact\Introduction::discard($introduction);
 				$relationship = DI::mstdnRelationship()->createFromContactId($contactId, $uid);
+
+				DI::intro()->delete($introduction);
 				break;
 			default:
 				throw new HTTPException\BadRequestException('Unexpected action parameter, expecting "authorize", "ignore" or "reject"');
@@ -92,13 +95,7 @@ class FollowRequests extends BaseApi
 			'limit'  => 40, // Maximum number of results to return. Defaults to 40. Paginate using the HTTP Link header.
 		]);
 
-		$introductions = DI::intro()->selectByBoundaries(
-			['`uid` = ? AND NOT `ignore`', $uid],
-			['order' => ['id' => 'DESC']],
-			$request['min_id'],
-			$request['max_id'],
-			$request['limit']
-		);
+		$introductions = DI::intro()->selectForUser($uid, $request['min_id'], $request['max_id'], $request['limit']);
 
 		$return = [];
 

src/Module/FollowConfirm.php

@@ -21,12 +21,10 @@ class FollowConfirm extends BaseModule
 		$duplex   = intval($_POST['duplex']     ?? 0);
 		$hidden   = intval($_POST['hidden']     ?? 0);
 
-		$intro = DI::intro()->selectFirst(['id' => $intro_id, 'uid' => local_user()]);
-
-		$cid = $intro->{'contact-id'};
+		$intro = DI::intro()->selectOneById($intro_id, local_user());
 
 		$intro->confirm($duplex, $hidden);
 
-		DI::baseUrl()->redirect('contact/' . intval($cid));
+		DI::baseUrl()->redirect('contact/' .  $intro->cid);
 	}
 }

src/Module/Notifications/Notification.php

@@ -24,6 +24,7 @@ namespace Friendica\Module\Notifications;
 use Friendica\BaseModule;
 use Friendica\Core\System;
 use Friendica\DI;
+use Friendica\Model\Contact;
 use Friendica\Module\Security\Login;
 use Friendica\Network\HTTPException;
 
@@ -50,14 +51,16 @@ class Notification extends BaseModule
 		$request_id = $parameters['id'] ?? false;
 
 		if ($request_id) {
-			$intro = DI::intro()->selectFirst(['id' => $request_id, 'uid' => local_user()]);
+			$intro = DI::intro()->selectOneById($request_id, local_user());
 
 			switch ($_POST['submit']) {
 				case DI::l10n()->t('Discard'):
-					$intro->discard();
+					Contact\Introduction::discard($intro);
+					DI::intro()->delete($intro);
 					break;
 				case DI::l10n()->t('Ignore'):
-					$intro->ignore();
+					$intro->setIgnore();
+					DI::intro()->save($intro);
 					break;
 			}
 

src/Repository/Introduction.php

@@ -1,79 +0,0 @@
-<?php
-/**
- * @copyright Copyright (C) 2010-2021, 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\Repository;
-
-use Friendica\BaseRepository;
-use Friendica\Collection;
-use Friendica\Model;
-
-class Introduction extends BaseRepository
-{
-	protected static $table_name = 'intro';
-
-	protected static $model_class = Model\Introduction::class;
-
-	protected static $collection_class = Collection\Introductions::class;
-
-	/**
-	 * @param array $data
-	 * @return Model\Introduction
-	 */
-	protected function create(array $data)
-	{
-		return new Model\Introduction($this->dba, $this->logger, $this, $data);
-	}
-
-	/**
-	 * @param array $condition
-	 * @return Model\Introduction
-	 * @throws \Friendica\Network\HTTPException\NotFoundException
-	 */
-	public function selectFirst(array $condition)
-	{
-		return parent::selectFirst($condition);
-	}
-
-	/**
-	 * @param array $condition
-	 * @param array $params
-	 * @return Collection\Introductions
-	 * @throws \Exception
-	 */
-	public function select(array $condition = [], array $params = [])
-	{
-		return parent::select($condition, $params);
-	}
-
-	/**
-	 * @param array    $condition
-	 * @param array    $params
-	 * @param int|null $min_id
-	 * @param int|null $max_id
-	 * @param int      $limit
-	 * @return Collection\Introductions
-	 * @throws \Exception
-	 */
-	public function selectByBoundaries(array $condition = [], array $params = [], int $min_id = null, int $max_id = null, int $limit = self::LIMIT)
-	{
-		return parent::selectByBoundaries($condition, $params, $min_id, $max_id, $limit);
-	}
-}