[Cases] Custom fields MVP

packages/kbn-check-mappings-update-cli/current_mappings.json

@@ -1370,6 +1370,41 @@
       },
       "category": {
         "type": "keyword"
+      },
+      "customFields": {
+        "type": "nested",
+        "properties": {
+          "key": {
+            "type": "keyword"
+          },
+          "type": {
+            "type": "keyword"
+          },
+          "value": {
+            "type": "keyword",
+            "fields": {
+              "number": {
+                "type": "long",
+                "ignore_malformed": true
+              },
+              "boolean": {
+                "type": "boolean",
+                "ignore_malformed": true
+              },
+              "string": {
+                "type": "text"
+              },
+              "date": {
+                "type": "date",
+                "ignore_malformed": true
+              },
+              "ip": {
+                "type": "ip",
+                "ignore_malformed": true
+              }
+            }
+          }
+        }
       }
     }
   },

src/core/server/integration_tests/saved_objects/migrations/group2/check_registered_types.test.ts

@@ -69,7 +69,7 @@ describe('checking migration metadata changes on all registered SO types', () =>
         "canvas-element": "cdedc2123eb8a1506b87a56b0bcce60f4ec08bc8",
         "canvas-workpad": "9d82aafb19586b119e5c9382f938abe28c26ca5c",
         "canvas-workpad-template": "c077b0087346776bb3542b51e1385d172cb24179",
-        "cases": "b43a8ce985c406167e1d115381805a48cb3b0e61",
+        "cases": "2392189ed338857d4815a4cef6051f9ad124d39d",
         "cases-comments": "5cb0a421588831c2a950e50f486048b8aabbae25",
         "cases-configure": "44ed7b8e0f44df39516b8870589b89e32224d2bf",
         "cases-connector-mappings": "f9d1ac57e484e69506c36a8051e4d61f4a8cfd25",

x-pack/plugins/cases/common/constants/index.ts

@@ -128,6 +128,11 @@ export const MAX_CASES_TO_UPDATE = 100 as const;
 export const MAX_BULK_CREATE_ATTACHMENTS = 100 as const;
 export const MAX_USER_ACTIONS_PER_CASE = 10000 as const;
 export const MAX_PERSISTABLE_STATE_AND_EXTERNAL_REFERENCES = 100 as const;
+export const MAX_CUSTOM_FIELDS_PER_CASE = 10 as const;
+export const MAX_CUSTOM_FIELD_KEY_LENGTH = 36 as const; // uuidv4 length
+export const MAX_CUSTOM_FIELD_LABEL_LENGTH = 50 as const;
+export const MAX_CUSTOM_FIELD_TEXT_VALUE_LENGTH = 160 as const;
+export const MAX_CUSTOM_FIELD_TEXT_VALUE_ITEMS = 10 as const;
 
 /**
  * Cases features

x-pack/plugins/cases/common/schema/index.ts

@@ -153,3 +153,26 @@ export const limitedNumberSchema = ({ fieldName, min, max }: LimitedSchemaType)
       }),
     rt.identity
   );
+
+export interface RegexStringSchemaType {
+  codec: rt.Type<string, string, unknown>;
+  pattern: string;
+  message: string;
+}
+
+export const regexStringRt = ({ codec, pattern, message }: RegexStringSchemaType) =>
+  new rt.Type<string, string, unknown>(
+    'RegexString',
+    codec.is,
+    (input, context) =>
+      either.chain(codec.validate(input, context), (value) => {
+        const regex = new RegExp(pattern, 'g');
+
+        if (!regex.test(value)) {
+          return rt.failure(input, context, message);
+        }
+
+        return rt.success(value);
+      }),
+    rt.identity
+  );