MOBILE-4203 timezone: Convert 99 to a readable timezone

src/core/features/user/pages/about/about.html

@@ -79,7 +79,7 @@
                         <p>{{ user.country }}</p>
                     </ion-label>
                 </ion-item>
-                <ion-item class="ion-text-wrap" *ngIf="user.timezone">
+                <ion-item class="ion-text-wrap" *ngIf="displayTimezone && user.timezone">
                     <ion-label>
                         <p class="item-heading">{{ 'core.timezone' | translate}}</p>
                         <p>{{ user.timezone }}</p>

src/core/features/user/pages/about/about.ts

@@ -21,7 +21,13 @@ import { CoreDomUtils } from '@services/utils/dom';
 import { CoreTextUtils } from '@services/utils/text';
 import { CoreUtils } from '@services/utils/utils';
 import { CoreEventObserver, CoreEvents } from '@singletons/events';
-import { CoreUser, CoreUserProfile, USER_PROFILE_PICTURE_UPDATED, USER_PROFILE_REFRESHED } from '@features/user/services/user';
+import {
+    CoreUser,
+    CoreUserProfile,
+    USER_PROFILE_PICTURE_UPDATED,
+    USER_PROFILE_REFRESHED,
+    USER_PROFILE_SERVER_TIMEZONE,
+} from '@features/user/services/user';
 import { CoreUserHelper } from '@features/user/services/user-helper';
 import { CoreNavigator } from '@services/navigator';
 import { CoreIonLoadingElement } from '@classes/ion-loading';
@@ -50,6 +56,7 @@ export class CoreUserAboutPage implements OnInit, OnDestroy {
     encodedAddress?: SafeUrl;
     canChangeProfilePicture = false;
     interests?: string[];
+    displayTimezone = false;
 
     protected userId!: number;
     protected site!: CoreSite;
@@ -120,6 +127,12 @@ export class CoreUserAboutPage implements OnInit, OnDestroy {
 
             this.user.address = CoreUserHelper.formatAddress('', user.city, user.country);
 
+            const serverTimezone = CoreSites.getCurrentSite()?.getStoredConfig('timezone');
+            this.displayTimezone = !!serverTimezone;
+            if (this.displayTimezone && this.user.timezone === USER_PROFILE_SERVER_TIMEZONE) {
+                this.user.timezone = serverTimezone;
+            }
+
             await this.checkUserImageUpdated();
         } catch (error) {
             CoreDomUtils.showErrorModalDefault(error, 'core.user.errorloaduser', true);

src/core/features/user/services/user.ts

@@ -54,6 +54,11 @@ export const USER_PROFILE_REFRESHED = 'CoreUserProfileRefreshed';
  */
 export const USER_PROFILE_PICTURE_UPDATED = 'CoreUserProfilePictureUpdated';
 
+/**
+ * Value set in timezone when using the server's timezone.
+ */
+export const USER_PROFILE_SERVER_TIMEZONE = '99';
+
 /**
  * Service to provide user functionalities.
  */

src/core/features/user/tests/behat/basic_usage.feature

@@ -3,8 +3,8 @@ Feature: Test basic usage of user features
 
   Background:
     Given the following "users" exist:
-      | username | firstname | lastname |
-      | student1 | Student   | Student  |
+      | username | firstname | lastname | timezone |
+      | student1 | Student   | Student  | 99       |
 
   Scenario: Complete missing fields
     Given the following "custom profile fields" exist:
@@ -59,3 +59,36 @@ Feature: Test basic usage of user features
     Then I should find "student1@example.com" in the app
     And I should find "Student Student" in the app
     And the UI should match the snapshot
+
+  @lms_from4.2
+  Scenario: View timezone in profile
+    Given the following config values are set as admin:
+      | timezone      | Europe/Madrid |
+      | forcetimezone | 99            |
+    And the following "users" exist:
+      | username | firstname | lastname | timezone      |
+      | student2 | John      | Smith    | Asia/Shanghai |
+    And the following "courses" exist:
+      | fullname | shortname |
+      | Course 1 | C1        |
+    And the following "course enrolments" exist:
+      | user     | course | role    |
+      | student1 | C1     | student |
+      | student2 | C1     | student |
+    # @todo MDL-77468 This capability override is needed until the issue is integrated.
+    And the following "permission overrides" exist:
+      | capability                 | permission | role    | contextlevel | reference |
+      | moodle/user:viewalldetails | Allow      | student | Course       | C1        |
+    And I entered the course "Course 1" as "student1" in the app
+    When I press "Participants" in the app
+    And I press "Student Student" in the app
+    And I press "Details" in the app
+    Then I should find "Europe/Madrid" in the app
+    And I should not find "Asia/Shanghai" in the app
+
+    When I press the back button in the app
+    And I press the back button in the app
+    And I press "John Smith" in the app
+    And I press "Details" in the app
+    Then I should find "Asia/Shanghai" in the app
+    And I should not find "Europe/Madrid" in the app