MAt-6744 added check user can delete function

src/madie-madie-util.tsx

@@ -17,6 +17,7 @@ import { default as useTerminologyServiceApi } from "./api/useTerminologyService
 import { default as useOrganizationApi } from "./api/useOrganizationApi";
 import { useDocumentTitle } from "./hooks/useDocumentTitle";
 import { default as checkUserCanEdit } from "./util/useCheckCanEdit";
+import { default as checkUserCanDelete } from "./util/useCheckCanDelete";
 import { useFeatureFlags } from "./hooks/useFeatureFlags";
 import { getOidFromString } from "./util/terminologyUtils";
 
@@ -33,6 +34,7 @@ export {
   useOrganizationApi,
   useDocumentTitle,
   checkUserCanEdit,
+  checkUserCanDelete,
   useFeatureFlags,
   getOidFromString,
 };

src/util/useCheckCanDelete.test.ts

@@ -0,0 +1,40 @@
+import useOktaTokens from "../hooks/useOktaTokens";
+import useCheckUserCanDelete from "./useCheckCanDelete";
+
+const JANE_DOE = "Jane doe";
+const JOHN_DOE = "john doe";
+
+jest.mock("../hooks/useOktaTokens", () =>
+  jest.fn(() => ({
+    getUserName: jest.fn(),
+  }))
+);
+
+describe("Check user canEdit", () => {
+  beforeEach(() => {
+    jest.resetAllMocks();
+    (useOktaTokens as jest.Mock).mockImplementation(() => ({
+      getUserName: () => JANE_DOE,
+    }));
+  });
+
+  it("should return true when user name and createdBy are the same and draft is true", () => {
+    const canEdit = useCheckUserCanDelete(JANE_DOE, true);
+    expect(canEdit).toBeTruthy();
+  });
+
+  it("should return false when user name and createdBy are not the same", () => {
+    const canEdit = useCheckUserCanDelete(JOHN_DOE, true);
+    expect(canEdit).not.toBeTruthy();
+  });
+
+  it("should return false when user name and createdBy are same but it is not draft", () => {
+    const canEdit = useCheckUserCanDelete(JANE_DOE, false);
+    expect(canEdit).not.toBeTruthy();
+  });
+
+  it("should return true when user name and createdBy are the same ", () => {
+    const canEdit = useCheckUserCanDelete(JANE_DOE);
+    expect(canEdit).toBeTruthy();
+  });
+});

src/util/useCheckCanDelete.ts

@@ -0,0 +1,17 @@
+import useOktaTokens from "../hooks/useOktaTokens";
+
+const useCheckUserCanDelete = (
+  createdBy: string,
+  draft: boolean = true
+): boolean => {
+  const { getUserName } = useOktaTokens();
+  const userName = getUserName();
+  // versioned measures/libraries can never be deleted.
+  if (!draft) {
+    return false;
+  }
+
+  return createdBy?.toLowerCase() === userName?.toLowerCase();
+};
+
+export default useCheckUserCanDelete;

src/util/useCheckCanEdit.ts

@@ -8,7 +8,7 @@ const useCheckUserCanEdit = (
 ): boolean => {
   const { getUserName } = useOktaTokens();
   const userName = getUserName();
-  // versioned measures are always uneditable.
+  // versioned measures/libraries are always uneditable.
   if (!draft) {
     return false;
   }