From 36f34257d2363379cce33a69f3515585e2295dcc Mon Sep 17 00:00:00 2001
From: GeorgeWebberley <george@brain-plus.com>
Date: Sun, 1 Mar 2026 12:21:12 +0100
Subject: [PATCH] Refactored isuuid to own utils

---
 src/cases/cases.service.ts       | 8 ++------
 src/common/utils/string.utils.ts | 5 +++++
 2 files changed, 7 insertions(+), 6 deletions(-)
 create mode 100644 src/common/utils/string.utils.ts

diff --git a/src/cases/cases.service.ts b/src/cases/cases.service.ts
index 0d12ea7..56e6f7d 100644
--- a/src/cases/cases.service.ts
+++ b/src/cases/cases.service.ts
@@ -1,5 +1,6 @@
 import { Injectable, NotFoundException, BadRequestException, Logger, Inject } from '@nestjs/common';
 import { PRISMA_CLIENT, type PrismaClientInstance } from '../common/prisma/prisma.service';
+import { isUuid } from 'src/common/utils/string.utils';
 
 @Injectable()
 export class CasesService {
@@ -39,9 +40,4 @@ export class CasesService {
     if (!caseLaw) throw new NotFoundException('Case not found');
     return caseLaw;
   }
-}
-
-export const isUuid = (value: string): boolean => {
-  return /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i.test(value);
-};
-
+}
\ No newline at end of file
diff --git a/src/common/utils/string.utils.ts b/src/common/utils/string.utils.ts
new file mode 100644
index 0000000..c10a8df
--- /dev/null
+++ b/src/common/utils/string.utils.ts
@@ -0,0 +1,5 @@
+
+// Validates if a string is a valid UUID v4 format. Would eventually move to class-validator to "fail early"
+export const isUuid = (value: string): boolean => {
+  return /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i.test(value);
+};