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breakpilot-lehrer/school-service/internal/database/notification_migrations.go
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Phase 9d: Notification cron + multilingual templates + status badges
Backend (school-service):
  - notification_log table with UNIQUE(event_id, lead_days, audience,
    channel) for idempotent re-runs. Status enum sent/failed/skipped.
  - internal/notifications/templates.go: per-event-type × audience ×
    lead-day-bucket × language templates in 8 languages (de/en/tr/ar/
    uk/ru/pl/fr). Fallback chain (lang→de, eventType→andere) so we
    never miss a render.
  - service.go scans cal_school_event for events whose
    (start_date - runDate) appears in notification_lead_days. For each
    due (audience, channel) tuple it dispatches via POST to the
    Matrix/Email upstreams owned by the colleague's services.
    Empty URL → status='skipped', logged for visibility.
  - dispatcher.go handles the POST, parent-recipient lookup (joins
    parent_account + parent_child + cal_school_event.affected_class_ids),
    and writeLog with the unique constraint dropping duplicate runs.
  - main.go runs a 1-hour ticker; when time.Hour()==6 it invokes the
    scanner for today. Idempotent so transient restarts don't double-
    send.
  - POST /calendar/notifications/run-now for manual trigger + backfill
    (?date=YYYY-MM-DD).
  - GET /calendar/events/:id/notifications returns notification_log
    rows scoped to the owning teacher.
  - MATRIX_SERVICE_URL + EMAIL_SERVICE_URL env vars added (default
    empty = stub mode).

Frontend (studio-v2):
  - NotificationStatus component fetches /events/:id/notifications and
    renders coloured badges per (lead, audience, channel, status).
  - DayDetail mounts NotificationStatus inside each event card when
    notify_parents or notify_students is set.

Tests:
  - 6 new Go unit tests for bucketFor + Render (de/tr/fallback paths)
    + substitute(class_suffix). 89 subtests gesamt.
  - 2 new Playwright tests: badge render with mocked log, hidden when
    notifications are off.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-22 18:12:39 +02:00

32 lines
1.4 KiB
Go

package database
// NotificationMigrations creates the one table Phase 9d needs:
//
// notification_log — one row per (event, lead_days, audience, channel)
// that the cron scanner has already attempted. The UNIQUE constraint
// makes the cron idempotent — running it twice on the same day does
// not re-send.
//
// channel ∈ {'matrix', 'email'} — set by the dispatcher.
// audience ∈ {'parents', 'students'}.
// status ∈ {'sent', 'failed', 'skipped'} — 'skipped' when the upstream
// service URL isn't configured, so we know not to count it as failure.
func NotificationMigrations() []string {
return []string{
`CREATE TABLE IF NOT EXISTS notification_log (
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
event_id UUID NOT NULL REFERENCES cal_school_event(id) ON DELETE CASCADE,
lead_days INT NOT NULL,
audience VARCHAR(20) NOT NULL CHECK (audience IN ('parents','students')),
channel VARCHAR(20) NOT NULL CHECK (channel IN ('matrix','email')),
status VARCHAR(20) NOT NULL CHECK (status IN ('sent','failed','skipped')),
error_message TEXT,
run_date DATE NOT NULL,
created_at TIMESTAMPTZ DEFAULT NOW(),
UNIQUE(event_id, lead_days, audience, channel)
)`,
`CREATE INDEX IF NOT EXISTS idx_notification_log_event ON notification_log(event_id)`,
`CREATE INDEX IF NOT EXISTS idx_notification_log_run_date ON notification_log(run_date)`,
}
}