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feat(billing): usage-rating + webhook-dispatch crons

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- SaleOrder._fc_rate_usage: aggregates usage, computes overage via
  charge._compute_billable, upserts sale.order.line for the overage product
- FusionBillingUsage._cron_rate_open_periods: hourly cron iterates active
  charges × in-progress subscriptions, calls _fc_rate_usage
- data/ir_cron.xml: two crons — rate usage (hourly), dispatch webhooks (2 min)
- __manifest__.py: registers data/ir_cron.xml in data list
- test_usage.py: test_rate_open_period_creates_overage_line (TDD, FCB_EXIT=0)

Reference: _create_recurring_invoice / _get_invoiceable_lines confirmed in
Enterprise sale_subscription/models/sale_order.py — overage line goes onto
sale.order so native invoicing picks it up via _get_invoiceable_lines.
This commit is contained in:
gsinghpal
2026-05-27 03:08:45 -04:00
parent c44fd89ed1
commit a5db0fe71e
6 changed files with 84 additions and 0 deletions
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15
fusion_centralize_billing/tests/test_usage.py
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@@ -50,3 +50,18 @@ class TestUsageIngestion(TransactionCase):
self.Usage._record_usage(self.sub, 'cpu_seconds', 99.0, '2026-04-01', '2026-05-01', idem='apr')
self.Usage._record_usage(self.sub, 'cpu_seconds', 5.0, '2026-05-01', '2026-06-01', idem='may')
self.assertEqual(self.Usage._aggregate(self.sub, self.metric, '2026-05-01', '2026-06-01'), 5.0)
def test_rate_open_period_creates_overage_line(self):
product = self.env['product.product'].sudo().create(
{'name': 'API overage', 'type': 'service', 'list_price': 0.0})
charge = self.env['fusion.billing.charge'].sudo().create({
'name': 'overage', 'plan_code': 'p', 'metric_id': self.metric.id,
'product_id': product.id, 'included_quota': 100.0,
'price_per_unit': 0.10, 'unit_batch': 1000.0, 'charge_model': 'standard'})
self.Usage._record_usage(self.sub, 'cpu_seconds', 1100.0,
'2026-05-01', '2026-06-01', idem='r1')
amount = self.sub._fc_rate_usage(charge, '2026-05-01', '2026-06-01')
# 1100 - 100 = 1000 overage = 1 batch * $0.10 = $0.10
self.assertAlmostEqual(amount, 0.10, places=2)
line = self.sub.order_line.filtered(lambda l: l.product_id == product)
self.assertTrue(line)