Added Compound Verifier

Signed-off-by: Tom Wright <[email protected]>

CHANGELOG.md

@@ -1,3 +1,5 @@
+* Added Compound Verifier
+
 ## v0.2.0 (2024-06-20)
 * Added getInlineViewAssets() to Verifier
 * Improved inline rendering

src/Scrutiny/Verifier/Compound.php

@@ -0,0 +1,111 @@
+<?php
+
+/**
+ * @package Scrutiny
+ * @license http://opensource.org/licenses/MIT
+ */
+
+declare(strict_types=1);
+
+namespace DecodeLabs\Scrutiny\Verifier;
+
+use DecodeLabs\Dictum;
+use DecodeLabs\Scrutiny\Context;
+use DecodeLabs\Scrutiny\Error;
+use DecodeLabs\Scrutiny\Payload;
+use DecodeLabs\Scrutiny\Result;
+use DecodeLabs\Scrutiny\Verifier;
+use DecodeLabs\Tagged\ViewAssetContainer;
+
+class Compound implements Verifier
+{
+    /**
+     * @var array<Verifier>
+     */
+    protected array $verifiers;
+
+    /**
+     * @param array<string|Verifier> $verifiers
+     */
+    public function __construct(
+        array $verifiers,
+        Context $context
+    ) {
+        foreach ($verifiers as $verifier) {
+            if (is_string($verifier)) {
+                $verifier = $context->tryLoadVerifier($verifier);
+            }
+
+            if (!$verifier instanceof Verifier) {
+                continue;
+            }
+
+            $this->verifiers[] = $verifier;
+        }
+    }
+
+    public function getName(): string
+    {
+        return 'Compound';
+    }
+
+    public function getDataKeys(): array
+    {
+        $output = [];
+
+        foreach ($this->verifiers as $verifier) {
+            $output = array_merge($output, $verifier->getDataKeys());
+        }
+
+        return $output;
+    }
+
+    public function getComponentData(): array
+    {
+        $output = [];
+
+        foreach ($this->verifiers as $verifier) {
+            $slug = Dictum::slug($verifier->getName());
+
+            foreach ($verifier->getComponentData() as $key => $value) {
+                $attr = str_replace(ltrim($key, ':@'), $slug . '-' . $key, $key);
+                $output[$attr] = $value;
+            }
+        }
+
+        return $output;
+    }
+
+    public function getInlineViewAssets(
+        ?string $nonce = null
+    ): ViewAssetContainer {
+        if (!isset($this->verifiers[0])) {
+            return new ViewAssetContainer();
+        }
+
+        return $this->verifiers[0]->getInlineViewAssets($nonce);
+    }
+
+    public function verify(
+        Payload $payload
+    ): Result {
+        foreach ($this->verifiers as $verifier) {
+            $keys = $verifier->getDataKeys();
+
+            foreach ($keys as $key) {
+                if (null === ($value = $payload->getValue($key))) {
+                    continue 2;
+                }
+            }
+
+            return $verifier->verify($payload);
+        }
+
+        return new Result(
+            payload: $payload,
+            errors: [
+                Error::VerifierFailed
+            ]
+        );
+    }
+}