1 files changed, 69 insertions, 0 deletions
diff --git a/services/app/src/Models/Answer.php b/services/app/src/Models/Answer.php
new file mode 100644
index 0000000..6cb8006
--- /dev/null
+++ b/services/app/src/Models/Answer.php
@@ -0,0 +1,69 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Nsfisis\Albatross\Models;
+
+use DateTimeImmutable;
+use Nsfisis\Albatross\Exceptions\EntityValidationException;
+
+final class Answer
+{
+    public function __construct(
+        public readonly int $answer_id,
+        public readonly int $quiz_id,
+        public readonly int $answer_number,
+        public readonly DateTimeImmutable $submitted_at,
+        public readonly int $author_id,
+        public readonly string $code,
+        public readonly int $code_size,
+        public readonly AggregatedExecutionStatus $execution_status,
+        public readonly ?string $author_name, // joined
+        public readonly ?bool $author_is_admin, // joined
+    ) {
+    }
+
+    public static function create(
+        int $quiz_id,
+        int $author_id,
+        string $code,
+    ): self {
+        self::validate($quiz_id, $author_id, $code);
+        $answer = new self(
+            answer_id: 0,
+            quiz_id: $quiz_id,
+            answer_number: 0,
+            submitted_at: new DateTimeImmutable(), // dummy
+            author_id: $author_id,
+            code: $code,
+            code_size: strlen(self::normalizeCode($code)), // not mb_strlen
+            execution_status: AggregatedExecutionStatus::Pending,
+            author_name: null,
+            author_is_admin: null,
+        );
+        return $answer;
+    }
+
+    private static function validate(
+        int $quiz_id,
+        int $author_id,
+        string $code,
+    ): void {
+        $errors = [];
+        if (strlen($code) <= 0) {
+            $errors['code'] = 'コードを入力してください';
+        }
+        if (10 * 1024 <= strlen($code)) {
+            $errors['code'] = 'コードが長すぎます。10 KiB 未満まで縮めてください';
+        }
+
+        if (0 < count($errors)) {
+            throw new EntityValidationException(errors: $errors);
+        }
+    }
+
+    public static function normalizeCode(string $code): string
+    {
+        return preg_replace('/^\s*<\?(?:php\b)?\s*/', '', str_replace(["\r\n", "\r"], "\n", $code)) ?? $code;
+    }
+}