Ignored email from client search (#31057)

* Ignored email from client search

* removed redundent email split

---------

Co-authored-by: Mattermost Build <build@mattermost.com>

webapp/channels/src/packages/mattermost-redux/src/utils/user_utils.test.ts

@@ -76,7 +76,7 @@ describe('user utils', () => {
                 'test.user', '.user', 'user',
                 'test', 'user name', 'test user name', 'tester',
                 'software engineer at mattermost', 'engineer at mattermost', 'at mattermost', 'mattermost',
-                'test.user_name@example.com', 'example.com',
+                'test.user_name',
             ];
             expect(suggestions).toEqual(expectedSuggestions);
         });
@@ -181,12 +181,12 @@ describe('user utils', () => {
             expect(filterProfilesStartingWithTerm(users, 'left')).toEqual([userB]);
         });
 
-        it('should match by email domain', () => {
-            expect(filterProfilesStartingWithTerm(users, 'right')).toEqual([userB]);
+        it('should not match by email domain as it is ignored', () => {
+            expect(filterProfilesStartingWithTerm(users, 'right')).not.toContain(userB);
         });
 
-        it('should match by full email', () => {
-            expect(filterProfilesStartingWithTerm(users, 'left@right.com')).toEqual([userB]);
+        it('should not match by full email as email domain is ignored', () => {
+            expect(filterProfilesStartingWithTerm(users, 'left@right.com')).not.toContain(userB);
         });
 
         it('should ignore leading @ for username', () => {
@@ -264,11 +264,11 @@ describe('user utils', () => {
         });
 
         it('should match by email domain', () => {
-            expect(filterProfilesMatchingWithTerm(users, 'right')).toEqual([userB]);
+            expect(filterProfilesMatchingWithTerm(users, 'right')).not.toContain(userB);
         });
 
         it('should match by full email', () => {
-            expect(filterProfilesMatchingWithTerm(users, 'left@right.com')).toEqual([userB]);
+            expect(filterProfilesMatchingWithTerm(users, 'left@right.com')).not.toContain(userB);
         });
 
         it('should ignore leading @ for username', () => {

webapp/channels/src/packages/mattermost-redux/src/utils/user_utils.ts

@@ -160,13 +160,8 @@ export function nameSuggestionsForUser(user: UserProfile): string[] {
     profileSuggestions.push((user.nickname || '').toLowerCase());
     const positionSuggestions = getSuggestionsSplitBy((user.position || '').toLowerCase(), ' ');
     profileSuggestions.push(...positionSuggestions);
-    const email = (user.email || '').toLowerCase();
+    const email = (user.email || '').toLowerCase().split('@')[0];
     profileSuggestions.push(email);
-
-    const split = email.split('@');
-    if (split.length > 1) {
-        profileSuggestions.push(split[1]);
-    }
     return profileSuggestions;
 }