From d8c8369559bf32d1f867e70bc05853a41afd7dd9 Mon Sep 17 00:00:00 2001
From: adcoelho <antonio.coelho@elastic.co>
Date: Mon, 11 Sep 2023 11:15:44 +0200
Subject: [PATCH] Remove custom fields limit from cases domain type.

---
 .../plugins/cases/common/types/api/case/v1.ts | 17 +++++--
 .../cases/common/types/domain/case/v1.test.ts | 50 -------------------
 .../cases/common/types/domain/case/v1.ts      | 11 +---
 3 files changed, 16 insertions(+), 62 deletions(-)

diff --git a/x-pack/plugins/cases/common/types/api/case/v1.ts b/x-pack/plugins/cases/common/types/api/case/v1.ts
index b7359531f991b..6187c87c097f2 100644
--- a/x-pack/plugins/cases/common/types/api/case/v1.ts
+++ b/x-pack/plugins/cases/common/types/api/case/v1.ts
@@ -21,6 +21,7 @@ import {
   MAX_BULK_GET_CASES,
   MAX_CATEGORY_FILTER_LENGTH,
   MAX_ASSIGNEES_PER_CASE,
+  MAX_CUSTOM_FIELDS_PER_CASE,
 } from '../../../constants';
 import {
   limitedStringSchema,
@@ -32,10 +33,10 @@ import {
   CaseRt,
   CaseSettingsRt,
   CaseSeverityRt,
-  CaseCustomFieldsRt,
   CasesRt,
   CaseStatusRt,
   RelatedCaseRt,
+  CustomFieldRt,
 } from '../../domain/case/v1';
 import { CaseConnectorRt } from '../../domain/connector/v1';
 import { CaseUserProfileRt, UserRt } from '../../domain/user/v1';
@@ -107,7 +108,12 @@ export const CasePostRequestRt = rt.intersection([
       /**
        * The list of custom field values of the case.
        */
-      customFields: CaseCustomFieldsRt,
+      customFields: limitedArraySchema({
+        codec: CustomFieldRt,
+        fieldName: 'customFields',
+        min: 0,
+        max: MAX_CUSTOM_FIELDS_PER_CASE,
+      }),
     })
   ),
 ]);
@@ -365,7 +371,12 @@ export const CasePatchRequestRt = rt.intersection([
       /**
        * Custom fields of the case
        */
-      customFields: CaseCustomFieldsRt,
+      customFields: limitedArraySchema({
+        codec: CustomFieldRt,
+        fieldName: 'customFields',
+        min: 0,
+        max: MAX_CUSTOM_FIELDS_PER_CASE,
+      }),
     })
   ),
   /**
diff --git a/x-pack/plugins/cases/common/types/domain/case/v1.test.ts b/x-pack/plugins/cases/common/types/domain/case/v1.test.ts
index 3fd13a9beb59d..a8f0eab465b8f 100644
--- a/x-pack/plugins/cases/common/types/domain/case/v1.test.ts
+++ b/x-pack/plugins/cases/common/types/domain/case/v1.test.ts
@@ -5,8 +5,6 @@
  * 2.0.
  */
 
-import { MAX_CUSTOM_FIELDS_PER_CASE } from '../../../constants';
-import { PathReporter } from 'io-ts/lib/PathReporter';
 import { AttachmentType } from '../attachment/v1';
 import { ConnectorTypes } from '../connector/v1';
 import {
@@ -16,7 +14,6 @@ import {
   CasesRt,
   CaseStatuses,
   RelatedCaseRt,
-  CaseCustomFieldsRt,
 } from './v1';
 
 const basicCase = {
@@ -267,50 +264,3 @@ describe('CasesRt', () => {
     });
   });
 });
-
-describe('CaseCustomFieldsRt', () => {
-  const customFields = [
-    {
-      key: 'string_custom_field_1',
-      type: 'text',
-      field: { value: ['this is a text field value', 'this is second'] },
-    },
-    {
-      key: 'string_custom_field_2',
-      type: 'text',
-      field: { value: null },
-    },
-    {
-      key: 'boolean_custom_field_1',
-      type: 'toggle',
-      field: { value: [true] },
-    },
-    {
-      key: 'boolean_custom_field_2',
-      type: 'toggle',
-      field: { value: null },
-    },
-    {
-      key: 'list_custom_field_1',
-      type: 'list',
-      field: { value: ['this is a text field value'] },
-    },
-  ];
-
-  it('has expected attributes in request', () => {
-    const query = CaseCustomFieldsRt.decode(customFields);
-
-    expect(query).toStrictEqual({
-      _tag: 'Right',
-      right: customFields,
-    });
-  });
-
-  it('throws an error when there are too many custom fields', () => {
-    const tooLongCustomFields = Array(MAX_CUSTOM_FIELDS_PER_CASE + 1).fill(customFields[0]);
-
-    expect(PathReporter.report(CaseCustomFieldsRt.decode(tooLongCustomFields))).toContain(
-      'The length of the field customFields is too long. Array must be of length <= 5.'
-    );
-  });
-});
diff --git a/x-pack/plugins/cases/common/types/domain/case/v1.ts b/x-pack/plugins/cases/common/types/domain/case/v1.ts
index b64582a0697c9..34216d0d9c6aa 100644
--- a/x-pack/plugins/cases/common/types/domain/case/v1.ts
+++ b/x-pack/plugins/cases/common/types/domain/case/v1.ts
@@ -7,12 +7,10 @@
 
 import * as rt from 'io-ts';
 import { CaseStatuses } from '@kbn/cases-components/src/status/types';
-import { limitedArraySchema } from '../../../schema';
 import { ExternalServiceRt } from '../external_service/v1';
 import { CaseAssigneesRt, UserRt } from '../user/v1';
 import { CaseConnectorRt } from '../connector/v1';
 import { AttachmentRt } from '../attachment/v1';
-import { MAX_CUSTOM_FIELDS_PER_CASE } from '../../../constants';
 
 export { CaseStatuses };
 
@@ -74,14 +72,9 @@ const CustomFieldList = rt.strict({
   field: customFieldValue(rt.string),
 });
 
-const CustomFieldRt = rt.union([CustomFieldText, CustomFieldToggle, CustomFieldList]);
+export const CustomFieldRt = rt.union([CustomFieldText, CustomFieldToggle, CustomFieldList]);
 
-export const CaseCustomFieldsRt = limitedArraySchema({
-  codec: CustomFieldRt,
-  fieldName: 'customFields',
-  min: 0,
-  max: MAX_CUSTOM_FIELDS_PER_CASE,
-});
+const CaseCustomFieldsRt = rt.array(CustomFieldRt);
 
 const CaseBasicRt = rt.strict({
   /**