Added SignatureKeyPair for a client object

src/Socialbox/Objects/Client/SignatureKeyPair.php

@@ -0,0 +1,100 @@
+<?php
+
+    namespace Socialbox\Objects\Client;
+
+    use Socialbox\Interfaces\SerializableInterface;
+
+    class SignatureKeyPair implements SerializableInterface
+    {
+        private string $uuid;
+        private ?string $name;
+        private string $publicKey;
+        private string $privateKey;
+        private ?int $expires;
+
+        /**
+         * Public constructor
+         *
+         * @param array $data The data to create the object
+         */
+        public function __construct(array $data)
+        {
+            $this->uuid = $data['uuid'];
+            $this->name = $data['name'] ?? null;
+            $this->publicKey = $data['public_key'];
+            $this->privateKey = $data['private_key'];
+            $this->expires = (int)$data['expires'] ?? null;
+        }
+
+        /**
+         * Returns the UUID of the key pair
+         *
+         * @return string The UUID of the key pair
+         */
+        public function getUuid(): string
+        {
+            return $this->uuid;
+        }
+
+        /**
+         * Returns the name of the key pair
+         *
+         * @return string|null The name of the key pair
+         */
+        public function getName(): ?string
+        {
+            return $this->name;
+        }
+
+        /**
+         * Returns the public key of the key pair
+         *
+         * @return string The public key of the key pair
+         */
+        public function getPublicKey(): string
+        {
+            return $this->publicKey;
+        }
+
+        /**
+         * Returns the private key of the key pair
+         *
+         * @return string The private key of the key pair
+         */
+        public function getPrivateKey(): string
+        {
+            return $this->privateKey;
+        }
+
+        /**
+         * Returns the expiration date of the key pair
+         *
+         * @return int|null The expiration date of the key pair
+         */
+        public function getExpires(): ?int
+        {
+            return $this->expires;
+        }
+
+        /**
+         * @inheritDoc
+         */
+        public static function fromArray(array $data): SignatureKeyPair
+        {
+            return new self($data);
+        }
+
+        /**
+         * @inheritDoc
+         */
+        public function toArray(): array
+        {
+            return [
+                'uuid' => $this->uuid,
+                'name' => $this->name,
+                'public_key' => $this->publicKey,
+                'private_key' => $this->privateKey,
+                'expires' => $this->expires
+            ];
+        }
+    }