Exercises: Fix empty content view on the exercise management overview - #13609
Exercises: Fix empty content view on the exercise management overview#13609LukaPetrovicTUM wants to merge 2 commits into
Exercises: Fix empty content view on the exercise management overview#13609Conversation
…message when a course has no exercises
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Included review availability: Your plan provides up to 4 included reviews per hour; 3 remain after this review. WalkthroughThe exercise management view now shows a dedicated empty-course state. Editors can create the first exercise. Searches with no matches continue to show the filtered-result message. English and German translations and component tests were added. ChangesExercise management empty state
Estimated code review effort: 2 (Simple) | ~10 minutes Merge Risk: ⚪ Minimal · up to This PR adds a dedicated empty-course view while preserving the existing empty-search behavior and limits exercise creation to editors and instructors; no actionable merge-blocking risk remains beyond normal checks and review. Suggested reviewers: 🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
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Inline comments:
In
`@src/main/webapp/app/course/manage/exercises/course-management-exercises.component.spec.ts`:
- Around line 158-187: The exercise-management tests should cover the create
action, not only button rendering. Add a regression test that activates
[data-testid="create-first-exercise-button"] for an editable course and asserts
addModalVisible() becomes true and addModalMode() is 'create', using the
component’s existing initialization and change-detection flow.
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src/main/webapp/app/course/manage/exercises/course-management-exercises.component.htmlsrc/main/webapp/app/course/manage/exercises/course-management-exercises.component.spec.tssrc/main/webapp/app/course/manage/exercises/course-management-exercises.component.tssrc/main/webapp/i18n/de/exerciseManagement.jsonsrc/main/webapp/i18n/en/exerciseManagement.json
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Due to all test servers being down for the past few days, I've tested this PR by running its branch on localhost. I checked out the branch and ran it against the E2E Exercise Management Course fixture, which conveniently already had zero exercises. Logged in as artemis_admin (instructor substitute) and opened Course Management > Exercises: it showed "No exercises have been created in this course yet." with the icon and a Create button, not the old search-empty message. Clicking "Create" opened the same exercise type picker modal as the title bar's own Create action, so that wiring is I then logged in as the E2E fixture tutor account (artemis_test_user_6, a non-editor) and opened the same page. The empty state message was still there but the "Create" button was correctly gone, matching the permission check described in the PR. Back as admin I created a small text exercise to get out of the empty-course state, then searched for a string that matches nothing (zzz_no_match). That correctly fell back to the original "No exercises match "zzz_no_match"." message rather than the new empty-course one, so the two states really are separate and don't bleed into each other. Clearing the search brought the exercise list back immediately. For a bit of extra poking, I deleted the exercise again and toggled the site to light theme to check the empty-course view there too. Icon and button both render cleanly in light mode as well, nothing looked off. Everything in the testing steps checked out. |
…message when a course has no exercises
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SedaOran
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Approved.
Code LGTM and tested locally on the PR branch. The empty-course state now correctly shows the new "No exercises have been created in this course yet." message with a Create button (verified as instructor/editor), and clicking it opens the exercise creation modal. Confirmed the empty-search case is properly distinguished: a non-matching search on a course that has exercises still shows the original "No exercises match …" message, not the empty-state view. Frontend unit tests pass (56/56, incl. the 4 new empty-state tests).
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@LukaPetrovicTUM Thanks for fixing my reported issue. Can you also do the same for the exam, faq, and lecture pages? Actually, it would be great if you could design a reusable, shared EmptyContent component that uses components from our shared TUM UI library and can be added to pages that are otherwise empty. Maybe something into this direction: The final design (icon, color, accent color) should align with what we currently have on the management overview page: It would be great if you could extend this PR. Thanks! |
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Code looks good for me and tested on TS4 as per testing manual.
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Tested on TS4, works as expected
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Summary
On the
Course Management → Exercisesoverview, a course with zero exercises showed the same message as an empty search result (No exercises match "".), which reads like a bug rather than a genuinely empty course. This PR adds a dedicated empty-content view — an icon, a clear "no exercises yet" message, and, for editors/instructors, a "Create" button that opens the existing create-exercise modal — while leaving the original search-empty message unchanged for actual empty search results.Checklist
General
Client
Motivation and Context
The exercise management overview reused its search-empty-result message for a genuinely empty course, which is confusing for instructors setting up a new course and gives no obvious way to create the first exercise from that view.
Closes #13531
Description
@if (loaded() && cards().length === 0)block incourse-management-exercises.component.htmlinto two states:@if (loaded() && exerciseCount() === 0)for a course with no exercises at all, and@else if (loaded() && cards().length === 0)for the original search-empty case (unchanged)course().isAtLeastEditor) a "Create" button (data-testid="create-first-exercise-button") that calls the existingopenCreateModal()faListas aprotected readonlyfield onCourseManagementExercisesComponentso the template can bind the new icon (theexerciseCountcomputed signal already existed and needed no changes)noExercisesYeti18n key to bothsrc/main/webapp/i18n/en/exerciseManagement.jsonandsrc/main/webapp/i18n/de/exerciseManagement.jsonSteps for Testing
Prerequisites:
Course Management → Exercises.No exercises match "".message.zzz_no_match) into the search box, and verify it now shows the originalNo exercises match "zzz_no_match".message instead of the empty-course message.Testserver States
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Last updated: 2026-08-31 12:51:38 UTC
Screenshots
Warning message:
Exercise creation modal on button click:
Summary by CodeRabbit
New Features
Bug Fixes
Tests