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unsupervised-scheduler/docs/features/payment-reporting.md
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Add HST/tax support and payment reporting with HST aggregation
Studio Settings gains a default HST rate; the rate is frozen onto each
payment at booking and computed against the pre-tax subtotal, with the
total billed as subtotal + tax. The rate is overridable per booking on
My Lessons while unpaid (recomputing the tax amount), comped
registrations are never taxed, and receipts break out subtotal/HST/total.

Builds the payments report (roadmap #8) from us_payments: a monthly
per-instructor view with subtotal, HST collected, and grand-total
aggregation, plus a nonce-protected CSV export via admin-post. Studio
admins see all instructors and can filter; instructors are scoped to
their own rows. The Payment Report menu is gated on export_payments so
instructors (who lack manage_billing) can reach it.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-08 11:29:48 -03:00

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Markdown

# Feature: Payment Reporting
## Overview
A monthly view of paid payments with **HST aggregation** and a downloadable
spreadsheet (CSV) export. The studio admin sees every instructor and can filter;
each instructor sees only their own payments. The report is built entirely from
`us_payments` — no additional table.
## Data Source
Reads `{prefix}us_payments` (see `payments.md`), filtered to `paid` rows whose
`paid_at` falls within the selected calendar month, optionally narrowed to one
instructor. Each report row resolves the student and instructor for display:
| Report Column | Source |
|---------------|---------------------------------------------------|
| Date | `us_payments.paid_at` (date portion) |
| Student | `us_payments.student_id` → display name |
| Instructor | `us_payments.instructor_id` → display name |
| Method | `us_payments.method` |
| Status | `us_payments.status` |
| Subtotal | `us_payments.amount` / `currency` |
| HST | `us_payments.tax_amount` (with `tax_rate` %) |
| Total | `amount + tax_amount` (`Payment::total()`) |
Three totals are summed over the selected rows: **subtotal**, **HST collected**
(the figure the studio remits), and **grand total**.
## Access Rules
- Studio admin (`view_all_payments`): all instructors; may filter by `instructor_id`.
- Instructor (`view_own_payments`): always scoped to their own user ID; the
instructor filter is hidden and any requested `instructor_id` is overridden.
- Export requires `export_payments` and is scoped to the same rows the caller may view.
## Admin Interface
**Payment Report** in wp-admin (top-level menu, gated on `export_payments` so
instructors — who lack `manage_billing` — can reach it):
- Month picker (defaults to the current month) and, for studio admin, an
instructor filter
- A summary line of HST collected / subtotal / total collected
- A table of paid payments with a totals footer
- An **Export CSV** button that downloads the filtered rows (plus a totals row)
## Export
CSV export is served by an `admin-post.php` handler
(`admin_post_usc_export_payments`) rather than a REST route, so the browser
downloads it directly with a nonce-protected link. It honours the same `month`
and `instructor_id` query params as the page and returns `text/csv` with a
`Content-Disposition: attachment` header. Instructor requests are scoped to
their own rows regardless of `instructor_id`.
## Implementation
- Report aggregator (pure totals + CSV): `Unsupervised\Schedular\Payment\PaymentReport`
- Report controller (page + export): `Unsupervised\Schedular\Payment\PaymentReportController`
- Report query: `Unsupervised\Schedular\Payment\PaymentRepository::findPaidBetween()`
- Template: `templates/admin/payment-report.php`
- Menu + `admin_post` wiring: `Unsupervised\Schedular\AdminMenu`
## Tests
- `tests/Unit/Payment/PaymentReportTest.php` — totals and CSV rendering
- `tests/Unit/Payment/PaymentRepositoryTest.php``findPaidBetween` query