Be/subjects

[Dmytro-Doronin]

Added subjects schema and subjects for filters

[Copilot]

Pull request overview

Adds a new “subjects” domain end-to-end (DB schema → API endpoint → client query) so the Teachers filters can be populated from server-provided subjects rather than a client constant.

Changes:

• Server: introduce Subjects schema/query/controller/router and wire them into DI + Express routing.
• Client: add subjects API + React Query hook and pass fetched subjects into the Teachers filters (with a loading skeleton).
• UI/util: add a Radix-based Select component and a formatDate helper; remove unused utilities/components.

Reviewed changes

Copilot reviewed 24 out of 26 changed files in this pull request and generated 7 comments.

Show a summary per file

File	Description
server/src/utils/mappers/subject.mapper.ts	Adds mapper from DB subject doc to API view model.
server/src/types/subjects/subjects.type.ts	Defines the subjects view type returned by the API.
server/src/routes/subjectRoute.ts	Adds /subjects route handler wiring to controller.
server/src/repositories/queryRepositories/subjects.query.ts	Implements query to fetch all subjects from Mongo.
server/src/db/schemes/types/subjects.types.ts	Adds DB type for subjects schema.
server/src/db/schemes/subjects.schema.ts	Introduces Mongoose schema + model for subjects.
server/src/controllers/subjects.controller.ts	Adds controller endpoint to return all subjects.
server/src/composition/compositionRoot.ts	Registers Subjects controller/query in Inversify container.
server/src/composition/composition.types.ts	Adds Inversify symbols for Subjects bindings.
server/src/app.ts	Registers subjects router in the Express app.
client/src/util/mapSubjectToOptions.util.ts	Maps API subjects to {label,value} options for UI.
client/src/util/date.util.ts	Adds formatDate helper and fixes import usage.
client/src/util/createTestIdFilePath.js	Removes unused test-id path helper.
client/src/pages/teachersPage/TeachersPage.tsx	Fetches subjects and injects options into Filters; adds skeleton + scroll-to-top on pagination.
client/src/pages/chat/chatDialogPage/ChatDialogPage.tsx	Fixes formatDate import path.
client/src/features/subjects/query/useSubjectsQuery.tsx	Adds React Query hook for loading subjects.
client/src/features/queryKeys.ts	Adds subjectsKey; removes unused teachers detail key.
client/src/components/ui/select/Select.tsx	Adds Radix Select wrapper component.
client/src/components/teacherSection/teacherSchedule/TeacherSchedule.tsx	Updates Select import path.
client/src/components/teacherProfileSection/ProfileExperienceEducation.tsx	Updates Select import path.
client/src/components/teacherProfileSection/LessonForm.tsx	Updates Select import path.
client/src/components/skeletons/FiltersSkeleton.tsx	Adds loading skeleton for Filters sidebar.
client/src/components/filters/Filters.tsx	Accepts subject options via props instead of constants.
client/src/api/subjects/subjects.type.ts	Adds client-side type for subject items.
client/src/api/subjects/subjects.api.ts	Adds API call to fetch all subjects.
client/src/App.tsx	Removes unused App component (Router is used instead).

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