src/Socialbox/Classes/StandardMethods/AddressBook/AddressBookContactExists.php

@@ -0,0 +1,51 @@
+<?php
+
+    namespace Socialbox\Classes\StandardMethods\AddressBook;
+
+    use InvalidArgumentException;
+    use Socialbox\Abstracts\Method;
+    use Socialbox\Enums\StandardError;
+    use Socialbox\Enums\Types\ContactRelationshipType;
+    use Socialbox\Exceptions\DatabaseOperationException;
+    use Socialbox\Exceptions\StandardException;
+    use Socialbox\Interfaces\SerializableInterface;
+    use Socialbox\Managers\ContactManager;
+    use Socialbox\Objects\ClientRequest;
+    use Socialbox\Objects\PeerAddress;
+    use Socialbox\Objects\RpcRequest;
+    use Socialbox\Socialbox;
+
+    class AddressBookContactExists extends Method
+    {
+        /**
+         * Returns True if the contact exists in the address book, False otherwise.
+         *
+         * @inheritDoc
+         */
+        public static function execute(ClientRequest $request, RpcRequest $rpcRequest): ?SerializableInterface
+        {
+            if(!$rpcRequest->containsParameter('peer'))
+            {
+                return $rpcRequest->produceError(StandardError::RPC_INVALID_ARGUMENTS, 'Missing required peer parameter');
+            }
+
+            try
+            {
+                $address = PeerAddress::fromAddress($rpcRequest->getParameter('peer'));
+            }
+            catch(InvalidArgumentException $e)
+            {
+                throw new StandardException('Invalid peer address', StandardError::RPC_INVALID_ARGUMENTS, $e);
+            }
+
+            try
+            {
+                $peer = $request->getPeer();
+                return $rpcRequest->produceResponse(ContactManager::isContact($peer, $address));
+            }
+            catch (DatabaseOperationException $e)
+            {
+                throw new StandardException('Failed to check if the contact exists', StandardError::INTERNAL_SERVER_ERROR, $e);
+            }
+        }
+    }