feat: add model`s trait DeferredRelations

Author: efureev

CHANGELOG.md

@@ -9,6 +9,12 @@ Check MD [online][check-online].
 
 ## [unreleased]
 
+## [1.7.0] - 2021-09-29
+
+### Added
+
+- Add model's trait `DeferredRelations`:
+
 ## [1.6.0] - 2021-08-27
 
 ### Added

src/Traits/Models/DeferredRelations.php

@@ -0,0 +1,40 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Php\Support\Laravel\Traits\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+/**
+ * @mixin Model
+ */
+trait DeferredRelations
+{
+ protected static array $deferredRelations = [];
+
+ public static function addDeferredRelation(string $relation, mixed $callback): void
+ {
+ self::$deferredRelations[$relation] = $callback;
+ }
+
+ public static function getDeferredRelation(string $relation): mixed
+ {
+ return self::$deferredRelations[$relation];
+ }
+
+ public static function getDeferredRelations(): array
+ {
+ return self::$deferredRelations;
+ }
+
+ public static function unsetDeferredRelation($relation): void
+ {
+ unset(self::$deferredRelations[$relation]);
+ }
+
+ public static function unsetDeferredRelations(): void
+ {
+ self::$deferredRelations = [];
+ }
+}