refactor(DataService): make abstract

[hirokiterashima]

Changes

This pull request includes several changes to the Angular services and their associated test files, primarily focusing on refactoring and updating dependencies. The most important changes include replacing DataService with specific services for students and teachers, removing unnecessary imports, and updating test configurations.

Refactoring Services:

• src/app/services/data.service.ts: Changed DataService to an abstract class and moved specific methods to StudentDataService and TeacherDataService. Updated method signatures and removed the broadcastCurrentNodeChanged method. [1] [2]
• src/assets/wise5/services/studentNodeService.ts: Replaced DataService with StudentDataService in the StudentNodeService class.
• src/assets/wise5/services/teacherNodeService.ts: Added constructor to inject TeacherDataService and other dependencies. [1] [2]

Updating Test Files:

• src/app/services/data.service.spec.ts: Replaced DataService with StudentDataService and removed unnecessary provideHttpClientTesting import.
• src/app/services/studentNodeService.spec.ts: Replaced DataService with StudentDataService in the test setup. [1] [2]
• src/app/services/teacherNodeService.spec.ts: Replaced DataService with TeacherDataService and ProjectService with TeacherProjectService. Removed unnecessary provideHttpClientTesting import.

Dependency Updates:

• src/app/student-teacher-common-services.module.ts: Added TeacherNodeService, TeacherDataService, and TeacherWebSocketService to the providers array. [1] [2] [3]

Miscellaneous Changes:

• src/assets/wise5/services/studentWebSocketService.ts: Replaced StudentDataService with dataService for broadcasting and updating node statuses. [1] [2] [3] [4]
• src/assets/wise5/common/stepTools/step-tools.component.spec.ts: Replaced NodeService with StudentNodeService and removed unnecessary provideHttpClientTesting import. [1] [2] [3]

Test

Application loads and works as before

[hirokiterashima]

🎉 This issue has been resolved in version 5.164.0 🎉

The release is available on GitHub release

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