From 878e1f4d9b7d188c24604ed85707e5db7b850666 Mon Sep 17 00:00:00 2001
From: Barbara <b.mecaj.ext@unzer.com>
Date: Thu, 30 Jul 2026 15:23:13 +0200
Subject: [PATCH] feat(): get mmsid for special admin - UOD-3753

---
 src/v0/iam_users.ts            |   1 +
 test/iam_users/get-one.test.ts | 110 +++++++++++++++++++++++++++++++++
 2 files changed, 111 insertions(+)

diff --git a/src/v0/iam_users.ts b/src/v0/iam_users.ts
index f95ebd18ac8..40c4bbf1536 100644
--- a/src/v0/iam_users.ts
+++ b/src/v0/iam_users.ts
@@ -51,6 +51,7 @@ export interface IamUser {
   invitationExpired?: boolean
   connectedDashboards?: Record<string, string[]>
   isFirstLoginDone?: string
+  mmsId?: string | null
 }
 
 export interface IamUsersQueryHandler {
diff --git a/test/iam_users/get-one.test.ts b/test/iam_users/get-one.test.ts
index f21af3d6e42..258c2c15430 100644
--- a/test/iam_users/get-one.test.ts
+++ b/test/iam_users/get-one.test.ts
@@ -201,6 +201,116 @@ describe('v0: IamUser: can get one user', () => {
     expect(data.hasBackupCodesConfigured).toBe(true)
   })
 
+  it('can get user with mmsId field', async () => {
+    if (process.env.SYSTEM_TEST !== 'true') {
+      mock.onPost('https://api.tillhub.com/api/v0/users/login').reply(() => {
+        return [
+          200,
+          {
+            token: '',
+            user: {
+              id: '123',
+              legacy_id: legacyId
+            }
+          }
+        ]
+      })
+
+      mock.onGet(`https://api.tillhub.com/api/v0/iam/users/${legacyId}/${iamUserId}`).reply(() => {
+        return [
+          200,
+          {
+            count: 1,
+            results: [
+              {
+                id: iamUserId,
+                email: 'test@example.com',
+                firstName: 'Test',
+                lastName: 'User',
+                mmsId: 'mms-contact-1'
+              }
+            ]
+          }
+        ]
+      })
+    }
+
+    const options = {
+      credentials: {
+        username: user.username,
+        password: user.password
+      },
+      base: process.env.TILLHUB_BASE
+    }
+
+    const th = new TillhubClient()
+
+    th.init(options)
+    await th.auth.loginUsername({
+      username: user.username,
+      password: user.password
+    })
+
+    const iamUsers = th.iamUsers()
+
+    const { data } = await iamUsers.get(iamUserId)
+
+    expect(data.mmsId).toBe('mms-contact-1')
+  })
+
+  it('can get user with a null mmsId when the user did not come from MMS', async () => {
+    if (process.env.SYSTEM_TEST !== 'true') {
+      mock.onPost('https://api.tillhub.com/api/v0/users/login').reply(() => {
+        return [
+          200,
+          {
+            token: '',
+            user: {
+              id: '123',
+              legacy_id: legacyId
+            }
+          }
+        ]
+      })
+
+      mock.onGet(`https://api.tillhub.com/api/v0/iam/users/${legacyId}/${iamUserId}`).reply(() => {
+        return [
+          200,
+          {
+            count: 1,
+            results: [
+              {
+                id: iamUserId,
+                email: 'test@example.com',
+                mmsId: null
+              }
+            ]
+          }
+        ]
+      })
+    }
+
+    const options = {
+      credentials: {
+        username: user.username,
+        password: user.password
+      },
+      base: process.env.TILLHUB_BASE
+    }
+
+    const th = new TillhubClient()
+
+    th.init(options)
+    await th.auth.loginUsername({
+      username: user.username,
+      password: user.password
+    })
+
+    const { data } = await th.iamUsers().get(iamUserId)
+
+    expect(data.mmsId).toBeNull()
+  })
+
   it('rejects on status codes that are not 200', async () => {
     if (process.env.SYSTEM_TEST !== 'true') {
       mock.onPost('https://api.tillhub.com/api/v0/users/login').reply(() => {