api: apply feedback

api/src/cms/schemas/content-type.schema.ts

@@ -13,6 +13,7 @@ import { BaseSchema } from '@/utils/generics/base-schema';
 import { LifecycleHookManager } from '@/utils/generics/lifecycle-hook-manager';
 
 import { ContentField } from '../dto/contentType.dto';
+import { validateUniqueFields } from '../utilities/field-validation.utils';
 
 @Schema({ timestamps: true })
 export class ContentType extends BaseSchema {
@@ -48,13 +49,7 @@ export class ContentType extends BaseSchema {
        * when `runValidators: true` is set.
        */
       validator(fields: ContentField[]): boolean {
-        if (!Array.isArray(fields)) return false;
-        const seen = new Set<string>();
-        return fields.every((f) => {
-          if (seen.has(f.name)) return false;
-          seen.add(f.name);
-          return true;
-        });
+        return validateUniqueFields(fields, 'name');
       },
       message:
         'Each element in "fields" must have a unique "name" (duplicate detected)',

api/src/cms/utilities/field-validation.utils.ts

@@ -0,0 +1,21 @@
+/*
+ * Copyright © 2025 Hexastack. All rights reserved.
+ *
+ * Licensed under the GNU Affero General Public License v3.0 (AGPLv3) with the following additional terms:
+ * 1. The name "Hexabot" is a trademark of Hexastack. You may not use this name in derivative works without express written permission.
+ * 2. All derivative works must include clear attribution to the original creator and software, Hexastack and Hexabot, in a prominent location (e.g., in the software's "About" section, documentation, and README file).
+ */
+
+export const validateUniqueFields = <T>(
+  fields: T[],
+  fieldName: keyof T,
+): boolean => {
+  if (!Array.isArray(fields)) return false;
+  const seen = new Set<string>();
+  return fields.every((f) => {
+    const fieldValue = f[fieldName] as string;
+    if (seen.has(fieldValue)) return false;
+    seen.add(fieldValue);
+    return true;
+  });
+};

api/src/cms/validators/validate-unique-names.validator.ts

@@ -13,19 +13,14 @@ import {
 } from 'class-validator';
 
 import { ContentField } from '../dto/contentType.dto';
+import { validateUniqueFields } from '../utilities/field-validation.utils';
 
 @ValidatorConstraint({ async: false })
 export class UniqueFieldNamesConstraint
   implements ValidatorConstraintInterface
 {
   validate(fields: ContentField[], _args: ValidationArguments) {
-    if (!Array.isArray(fields)) return false;
-    const seen = new Set<string>();
-    return fields.every((f) => {
-      if (seen.has(f.name)) return false;
-      seen.add(f.name);
-      return true;
-    });
+    return validateUniqueFields(fields, 'name');
   }
 
   defaultMessage(args: ValidationArguments) {

frontend/src/types/content-type.types.ts

@@ -1,5 +1,5 @@
 /*
- * Copyright © 2025 Hexastack. All rights reserved.
+ * Copyright © 2024 Hexastack. All rights reserved.
  *
  * Licensed under the GNU Affero General Public License v3.0 (AGPLv3) with the following additional terms:
  * 1. The name "Hexabot" is a trademark of Hexastack. You may not use this name in derivative works without express written permission.