Programming exercises: Add ProgrammingExercise by ProjectKey endpoint

[janthoXO]

Checklist

General

• I tested all changes and their related features with all corresponding user types on a test server.
• Language: I followed the guidelines for inclusive, diversity-sensitive, and appreciative language.
• I chose a title conforming to the naming conventions for pull requests.

Server

• Important: I implemented the changes with a very good performance and prevented too many (unnecessary) and too complex database calls.
• I strictly followed the principle of data economy for all database calls.
• I strictly followed the server coding and design guidelines.
• I added multiple integration tests (Spring) related to the features (with a high test coverage).
• I added pre-authorization annotations according to the guidelines and checked the course groups for all new REST Calls (security).
• I documented the Java code using JavaDoc style.

Changes affecting Programming Exercises

• High priority: I tested all changes and their related features with all corresponding user types on a test server configured with the integrated lifecycle setup (LocalVC and LocalCI).
• I tested all changes and their related features with all corresponding user types on a test server configured with Gitlab and Jenkins.

Description

Adds an endpoint that fetches a programming exercise by its projectKey

Steps for Testing

Postman testing or code review:
Postman Testing:

1. Send a request to POST {{base_url}}/api/public/authenticate?tool=SCORPIO
2. Send a request to GET {{base_url}}/api/courses/for-dashboard
3. Take any projectKey from one of the exercises
4. Send a request to GET {{base_url}}/api/programming-exercises/project-key/{{projectKey}}

Testserver States

Note

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Review Progress

Performance Review

• I (as a reviewer) confirm that the client changes (in particular related to REST calls and UI responsiveness) are implemented with a very good performance even for very large courses with more than 2000 students.
• I (as a reviewer) confirm that the server changes (in particular related to database calls) are implemented with a very good performance even for very large courses with more than 2000 students.

Code Review

• Code Review 1
• Code Review 2

Manual Tests

• Test 1
• Test 2

Test Coverage

Class/File	Line Coverage	Confirmation (assert/expect)
ProgrammingExerciseResource	82%	✅

Screenshots

Summary by CodeRabbit

• New Features
  • Introduced a new endpoint to query programming exercises by project key, enhancing access to specific exercises for users with student roles.
• Bug Fixes
  • Improved error handling by returning a 404 Not Found response when a programming exercise is not found.
    @coderabbitai pause

[coderabbitai]

Walkthrough

The pull request introduces a new method getExerciseByProjectKey in the ProgrammingExerciseResource class, allowing users to query a programming exercise by its project key. This method, annotated with @GetMapping("programming-exercises/project-key/{projectKey}"), requires a student role for access and retrieves a ProgrammingExercise using the programmingExerciseRepository.findOneByProjectKeyOrThrow(projectKey, false) method. If the exercise is found, it returns a ResponseEntity; otherwise, it triggers a 404 Not Found response. The existing methods remain unchanged.

Changes

Files	Change Summary
src/main/java/de/tum/cit/aet/artemis/programming/web/ProgrammingExerciseResource.java	Added method getExerciseByProjectKey to retrieve a programming exercise by its project key. This method is annotated with @GetMapping for HTTP GET requests and requires student-level access.

Possibly related PRs

• Programming exercises: Improve preliminary AI feedback  #9324: This PR modifies the ProgrammingExercise class, which is relevant to the ProgrammingExerciseResource class in the main PR, as both deal with programming exercises and their associated results.
• Programming exercises: Do not always show the request feedback button in the online code editor #9475: This PR involves changes to the RequestFeedbackButtonComponent, which is related to user interactions in programming exercises, similar to the new method introduced in the main PR for querying exercises.

Suggested labels

tests, small

Suggested reviewers

• Jan-Thurner
• b-fein
• pzdr7
• DominikRemo

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[coderabbitai]

Actionable comments posted: 2

📜 Review details

Configuration used: .coderabbit.yaml
Review profile: ASSERTIVE

📥 Commits

Files that changed from the base of the PR and between b7a816e and fc69fca.

📒 Files selected for processing (1)

• src/main/java/de/tum/cit/aet/artemis/programming/web/ProgrammingExerciseResource.java (2 hunks)

🧰 Additional context used

📓 Path-based instructions (1)

src/main/java/de/tum/cit/aet/artemis/programming/web/ProgrammingExerciseResource.java (1)

Pattern src/main/java/**/*.java: naming:CamelCase; principles:{single_responsibility,small_methods,no_duplication}; db:{perf_queries,datetime_not_timestamp}; rest:{stateless,singleton,delegate_logic,http_only,minimal_dtos}; dtos:{java_records,no_entities,min_data,single_resp}; di:constructor_injection; kiss:simple_code; file_handling:os_indep_paths; practices:{least_access,avoid_transactions,code_reuse,static_member_ref,prefer_primitives}; sql:{param_annotation,uppercase,avoid_subqueries};java:avoid_star_imports

[janthoXO]

@EnforceAtLeastStudent

should be replaced by AtLeastStudentInExercise but this has to be implemented without the macro, because no exerciseID is passed

[coderabbitai]

Actionable comments posted: 1

📜 Review details

Configuration used: .coderabbit.yaml
Review profile: ASSERTIVE

📥 Commits

Files that changed from the base of the PR and between fc69fca and 83ef1a5.

📒 Files selected for processing (1)

• src/main/java/de/tum/cit/aet/artemis/programming/web/ProgrammingExerciseResource.java (2 hunks)

🧰 Additional context used

📓 Path-based instructions (1)

src/main/java/de/tum/cit/aet/artemis/programming/web/ProgrammingExerciseResource.java (1)

Pattern src/main/java/**/*.java: naming:CamelCase; principles:{single_responsibility,small_methods,no_duplication}; db:{perf_queries,datetime_not_timestamp}; rest:{stateless,singleton,delegate_logic,http_only,minimal_dtos}; dtos:{java_records,no_entities,min_data,single_resp}; di:constructor_injection; kiss:simple_code; file_handling:os_indep_paths; practices:{least_access,avoid_transactions,code_reuse,static_member_ref,prefer_primitives}; sql:{param_annotation,uppercase,avoid_subqueries};java:avoid_star_imports

[Strohgelaender]

Looks good, but you also should add some simple server tests.

[janthoXO]

Looks good, but you also should add some simple server tests.

good point thanks

[github-actions]

There hasn't been any activity on this pull request recently. Therefore, this pull request has been automatically marked as stale and will be closed if no further activity occurs within seven days. Thank you for your contributions.

[github-actions]

There hasn't been any activity on this pull request recently. Therefore, this pull request has been automatically marked as stale and will be closed if no further activity occurs within seven days. Thank you for your contributions.

[coderabbitai]

Actionable comments posted: 2

📜 Review details

Configuration used: .coderabbit.yaml
Review profile: ASSERTIVE

📥 Commits

Files that changed from the base of the PR and between 83ef1a5 and 490692e.

📒 Files selected for processing (1)

• src/main/java/de/tum/cit/aet/artemis/programming/web/ProgrammingExerciseResource.java (2 hunks)

🧰 Additional context used

📓 Path-based instructions (1)

src/main/java/de/tum/cit/aet/artemis/programming/web/ProgrammingExerciseResource.java (1)

Pattern src/main/java/**/*.java: naming:CamelCase; principles:{single_responsibility,small_methods,no_duplication}; db:{perf_queries,datetime_not_timestamp}; rest:{stateless,singleton,delegate_logic,http_only,minimal_dtos}; dtos:{java_records,no_entities,min_data,single_resp}; di:constructor_injection; kiss:simple_code; file_handling:os_indep_paths; practices:{least_access,avoid_transactions,code_reuse,static_member_ref,prefer_primitives}; sql:{param_annotation,uppercase,avoid_subqueries};java:avoid_star_imports

[github-actions]

There hasn't been any activity on this pull request recently. Therefore, this pull request has been automatically marked as stale and will be closed if no further activity occurs within seven days. Thank you for your contributions.

[muradium]

Tested the new endpoint on TS9, works as expected

[SimonEntholzer]

Works on Ts9, code lgtm

[iyannsch]

Code LGTM