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Add group-class enrolment (year commitment, capacity, registration gate)
Implements #4: students enrol in a group_class offering via the same
registration gate as private lessons (intake questions + booking-scoped
policy acceptance). Enrolment is capacity-enforced and prevents duplicates.

- Schema: us_group_enrollments table.
- Enrollment value object + EnrollmentRepository (countActiveForOffering,
  hasActiveEnrollment, per-student/instructor/all-active queries, status).
- EnrollmentEndpoint: GET /enrollments (scoped) and POST /enrollments
  (validates group_class, capacity, no-duplicate; reuses RegistrationGate;
  records answers/acceptances type enrollment).
- GroupClassController + admin page (view_all_lessons): all active enrolments.
- Front-end: [us_group_classes] shortcode (GroupClassPage) + group-classes.js
  enrol flow (list classes -> questions + policies -> POST /enrollments).
- Wiring in Plugin, RestRegistrar, AdminMenu, ShortcodeRegistrar.

Payment is the deferred seam (#7): enrolment lands active, payment_id null.
JS left untested for parity with the repo's no-build vanilla-JS posture.

Tests: tests/Unit/GroupClass/ (Enrollment, EnrollmentRepository).
composer test (121), cs, and PHPStan level 6 all pass.

Refs #4

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-07 11:43:33 -03:00

62 lines
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Markdown

# Feature: Group Classes
## Overview
Students enrol in a group class — an offering of kind `group_class` — as a commitment for the year. Enrolment is capacity-enforced and billed full-term upfront. Registration reuses the same flow as private lessons (intake questions + policy acceptance + payment).
## Data Model — `{prefix}us_group_enrollments`
| Column | Type | Notes |
|----------------|------------------|-------------------------------------------------------------|
| `id` | BIGINT UNSIGNED | Primary key |
| `offering_id` | BIGINT UNSIGNED | FK → `us_offerings.id` (kind = `group_class`) |
| `student_id` | BIGINT UNSIGNED | WordPress user ID |
| `instructor_id`| BIGINT UNSIGNED | WordPress user ID (denormalised from the offering) |
| `status` | VARCHAR(20) | `active` / `cancelled` / `completed` |
| `payment_id` | BIGINT UNSIGNED | Nullable FK → `us_payments.id` |
| `enrolled_at` | DATETIME | Insertion time |
## Enrolment Flow
1. Student opens a group class from the offering catalog.
2. Student answers the offering's questions (`GET /offerings/{id}/questions`).
3. Student accepts the current published policy versions (`GET /policies`) — required to continue.
4. Full-term payment is taken per the student's billing method (card by default; `pending` for e-transfer; skipped for comp). See `payments.md`.
5. `POST /enrollments` creates the enrolment (`status = active`), records answers and policy acceptances, and links the payment — but only if the offering's `capacity` has not been reached.
6. On successful payment (or comp) a receipt is emailed.
Capacity is enforced at enrolment time by counting `active` rows for the offering;
a class at capacity rejects further enrolments.
## REST API
| Method | Endpoint | Permission |
|----------|----------------------------------------------|----------------------------------|
| `GET` | `/wp-json/us-scheduler/v1/enrollments` | Any logged-in user |
| `POST` | `/wp-json/us-scheduler/v1/enrollments` | `book_lesson` |
`POST /enrollments` body: `offering_id`, `answers[]` (`question_id` → value),
`accepted_policy_version_ids[]`, and payment data (see `payments.md`).
`GET /enrollments` returns the caller's own enrolments, or all enrolments for the
instructor's group classes if the caller has `view_own_lessons` on those offerings.
## Admin Interface
- **Group Classes** (`manage_options` / studio admin): all enrolments across instructors
- Instructors see enrolments for their own group classes under **My Lessons**
## Implementation
- Repository: `Unsupervised\Schedular\GroupClass\EnrollmentRepository` (`countActiveForOffering`/`hasActiveEnrollment` enforce capacity and prevent duplicates)
- Model: `Unsupervised\Schedular\GroupClass\Enrollment`
- Admin controller: `Unsupervised\Schedular\GroupClass\GroupClassController` (gated on `view_all_lessons`)
- REST endpoint: `Unsupervised\Schedular\GroupClass\EnrollmentEndpoint`
- Frontend: `Unsupervised\Schedular\GroupClass\GroupClassPage` (`[us_group_classes]` shortcode)
- Reuses `Registration\RegistrationGate` (intake answers + booking-scoped policy acceptance, type `enrollment`)
> **Payment seam:** payment is deferred to #7. An enrolment is created with
> `status = active` and `payment_id = null`; the pay→confirm + receipt step plugs
> in later. Instructor-specific enrolment views (the spec's "under My Lessons")
> are a follow-up — this iteration ships the studio-admin **Group Classes** page
> (`view_all_lessons`) plus per-student/per-instructor REST queries.
## Tests
- `tests/Unit/GroupClass/EnrollmentTest.php`
- `tests/Unit/GroupClass/EnrollmentRepositoryTest.php`