Files
espocrm/application/Espo/ORM/Defs/RelationDefs.php
bsiggel 127fa6503b chore: Update copyright year from 2025 to 2026 across core files
- Updated copyright headers in 3,055 core application files
- Changed 'Copyright (C) 2014-2025' to 'Copyright (C) 2014-2026'
- Added 123 new files from EspoCRM core updates
- Removed 4 deprecated files
- Total changes: 61,637 insertions, 54,283 deletions

This is a routine maintenance update for the new year 2026.
2026-02-07 16:05:21 +01:00

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<?php
/************************************************************************
* This file is part of EspoCRM.
*
* EspoCRM Open Source CRM application.
* Copyright (C) 2014-2026 EspoCRM, Inc.
* Website: https://www.espocrm.com
*
* 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/>.
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU Affero General Public License version 3.
*
* In accordance with Section 7(b) of the GNU Affero General Public License version 3,
* these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
************************************************************************/
namespace Espo\ORM\Defs;
use Espo\ORM\Defs\Params\RelationParam;
use Espo\ORM\Entity;
use RuntimeException;
/**
* Relation definitions.
*/
class RelationDefs
{
/** @var array<string, mixed> */
private array $data;
private string $name;
private function __construct()
{}
/**
* @param array<string, mixed> $raw
*/
public static function fromRaw(array $raw, string $name): self
{
$obj = new self();
$obj->data = $raw;
$obj->name = $name;
return $obj;
}
/**
* Get a name.
*/
public function getName(): string
{
return $this->name;
}
/**
* Get a type.
*/
public function getType(): string
{
$type = $this->data[RelationParam::TYPE] ?? null;
if ($type === null) {
throw new RuntimeException("Relation '{$this->name}' has no type.");
}
return $type;
}
/**
* Whether is Many-to-Many.
*/
public function isManyToMany(): bool
{
return $this->getType() === Entity::MANY_MANY;
}
/**
* Whether is Has-Many (One-to-Many).
*/
public function isHasMany(): bool
{
return $this->getType() === Entity::HAS_MANY;
}
/**
* Whether is Has-One (Many-to-One or One-to-One).
*/
public function isHasOne(): bool
{
return $this->getType() === Entity::HAS_ONE;
}
/**
* Whether is Has-Children (Parent-to-Children).
*/
public function isHasChildren(): bool
{
return $this->getType() === Entity::HAS_CHILDREN;
}
/**
* Whether is Belongs-to (Many-to-One).
*/
public function isBelongsTo(): bool
{
return $this->getType() === Entity::BELONGS_TO;
}
/**
* Whether is Belongs-to-Parent (Children-to-Parent).
*/
public function isBelongsToParent(): bool
{
return $this->getType() === Entity::BELONGS_TO_PARENT;
}
/**
* Whether it has a foreign entity type is defined.
*/
public function hasForeignEntityType(): bool
{
return isset($this->data[RelationParam::ENTITY]);
}
/**
* Get a foreign entity type.
*
* @throws RuntimeException
*/
public function getForeignEntityType(): string
{
if (!$this->hasForeignEntityType()) {
throw new RuntimeException("No 'entity' parameter defined in the relation '{$this->name}'.");
}
return $this->data[RelationParam::ENTITY];
}
/**
* Get a foreign entity type.
*/
public function tryGetForeignEntityType(): ?string
{
if (!$this->hasForeignEntityType()) {
return null;
}
return $this->getForeignEntityType();
}
/**
* Whether it has a foreign relation name.
*/
public function hasForeignRelationName(): bool
{
return isset($this->data[RelationParam::FOREIGN]);
}
/**
* Try to get a foreign relation name.
*
* @since 8.3.0
*/
public function tryGetForeignRelationName(): ?string
{
if (!$this->hasForeignRelationName()) {
return null;
}
return $this->getForeignRelationName();
}
/**
* Get a foreign relation name.
*
* @throws RuntimeException
*/
public function getForeignRelationName(): string
{
if (!$this->hasForeignRelationName()) {
throw new RuntimeException("No 'foreign' parameter defined in the relation '{$this->name}'.");
}
return $this->data[RelationParam::FOREIGN];
}
/**
* Whether a foreign key is defined.
*/
public function hasForeignKey(): bool
{
return isset($this->data[RelationParam::FOREIGN_KEY]);
}
/**
* Get a foreign key.
*
* @throws RuntimeException
*/
public function getForeignKey(): string
{
if (!$this->hasForeignKey()) {
throw new RuntimeException("No 'foreignKey' parameter defined in the relation '{$this->name}'.");
}
return $this->data[RelationParam::FOREIGN_KEY];
}
/**
* Whether a key is defined.
*/
public function hasKey(): bool
{
return isset($this->data[RelationParam::KEY]);
}
/**
* Get a key.
* @throws RuntimeException
*/
public function getKey(): string
{
if (!$this->hasKey()) {
throw new RuntimeException("No 'key' parameter defined in the relation '{$this->name}'.");
}
return $this->data[RelationParam::KEY];
}
/**
* Whether a mid-key is defined. For Many-to-Many relationships only.
*/
public function hasMidKey(): bool
{
return !is_null($this->data[RelationParam::MID_KEYS][0] ?? null);
}
/**
* Get a mid-key. For Many-to-Many relationships only.
*
* @throws RuntimeException
*/
public function getMidKey(): string
{
if (!$this->hasMidKey()) {
throw new RuntimeException("No 'midKey' parameter defined in the relation '{$this->name}'.");
}
return $this->data[RelationParam::MID_KEYS][0];
}
/**
* Whether a foreign mid-key is defined. For Many-to-Many relationships only.
*
* @throws RuntimeException
*/
public function hasForeignMidKey(): bool
{
return !is_null($this->data[RelationParam::MID_KEYS][1] ?? null);
}
/**
* Get a foreign mid-key. For Many-to-Many relationships only.
*
* @throws RuntimeException
*/
public function getForeignMidKey(): string
{
if (!$this->hasForeignMidKey()) {
throw new RuntimeException("No 'foreignMidKey' parameter defined in the relation '{$this->name}'.");
}
return $this->data[RelationParam::MID_KEYS][1];
}
/**
* Whether a relationship name is defined.
*/
public function hasRelationshipName(): bool
{
return isset($this->data[RelationParam::RELATION_NAME]);
}
/**
* Get a relationship name.
*
* @throws RuntimeException
*/
public function getRelationshipName(): string
{
if (!$this->hasRelationshipName()) {
throw new RuntimeException("No 'relationName' parameter defined in the relation '{$this->name}'.");
}
return $this->data[RelationParam::RELATION_NAME];
}
/**
* Get indexes.
*
* @return IndexDefs[]
* @throws RuntimeException
*/
public function getIndexList(): array
{
if ($this->getType() !== Entity::MANY_MANY) {
throw new RuntimeException("Can't get indexes.");
}
$list = [];
foreach (($this->data[RelationParam::INDEXES] ?? []) as $name => $item) {
$list[] = IndexDefs::fromRaw($item, $name);
}
return $list;
}
/**
* Get additional middle table conditions.
*
* @return array<string, ?scalar>
*/
public function getConditions(): array
{
if ($this->getType() !== Entity::MANY_MANY) {
throw new RuntimeException("Can't get conditions for non many-many relationship.");
}
return $this->getParam(RelationParam::CONDITIONS) ?? [];
}
/**
* Whether a parameter is set.
*/
public function hasParam(string $name): bool
{
return array_key_exists($name, $this->data);
}
/**
* Get a parameter value by a name.
*/
public function getParam(string $name): mixed
{
return $this->data[$name] ?? null;
}
}