Files
svg-backend/backend/app/services/publish_readiness.py
greebo ac3a62f108 feat(backend): add publish readiness contract and guarded publish flow
add backend readiness contract for publish prechecks

guard publish flow with explicit validation and version-aware checks
make publish behavior more predictable for clients and safer against stale state
2026-03-19 20:41:08 +03:00

100 lines
3.4 KiB
Python

from __future__ import annotations
from app.core.config import settings
from app.repositories.scheme_seats import list_scheme_version_seats
from app.repositories.scheme_version_pricing import (
find_effective_snapshot_price_rule,
list_scheme_version_snapshot_categories,
list_scheme_version_snapshot_rules,
)
from app.services.scheme_validation import build_scheme_validation_report
async def _build_snapshot_pricing_coverage(*, scheme_version_id: str) -> dict:
seats = await list_scheme_version_seats(scheme_version_id)
snapshot_categories = await list_scheme_version_snapshot_categories(scheme_version_id)
snapshot_rules = await list_scheme_version_snapshot_rules(scheme_version_id)
snapshot_available = len(snapshot_categories) > 0 or len(snapshot_rules) > 0
priced_seats = 0
unpriced_seats = 0
for seat in seats:
if not seat.seat_id:
unpriced_seats += 1
continue
if not snapshot_available:
unpriced_seats += 1
continue
try:
await find_effective_snapshot_price_rule(
scheme_version_id=scheme_version_id,
seat_id=seat.seat_id,
group_id=seat.group_id,
sector_id=seat.sector_id,
)
priced_seats += 1
except Exception:
unpriced_seats += 1
total_seats = len(seats)
coverage_percent = round((priced_seats / total_seats) * 100, 2) if total_seats > 0 else 100.0
return {
"snapshot": {
"available": snapshot_available,
"categories_count": len(snapshot_categories),
"rules_count": len(snapshot_rules),
},
"pricing_coverage": {
"total_seats": total_seats,
"priced_seats": priced_seats,
"unpriced_seats": unpriced_seats,
"coverage_percent": coverage_percent,
},
}
async def build_publish_readiness(
*,
scheme_id: str,
scheme_version_id: str,
status: str,
) -> dict:
validation = await build_scheme_validation_report(
scheme_id=scheme_id,
scheme_version_id=scheme_version_id,
)
snapshot_state = await _build_snapshot_pricing_coverage(
scheme_version_id=scheme_version_id,
)
validation_publishable = bool(validation["summary"]["is_publishable"])
snapshot_available = bool(snapshot_state["snapshot"]["available"])
full_pricing_coverage = snapshot_state["pricing_coverage"]["unpriced_seats"] == 0
require_full_pricing_coverage = bool(settings.publish_require_full_pricing_coverage)
pricing_gate_passed = snapshot_available and (
full_pricing_coverage if require_full_pricing_coverage else True
)
is_ready_to_publish = validation_publishable and pricing_gate_passed
return {
"scheme_id": scheme_id,
"scheme_version_id": scheme_version_id,
"status": status,
"validation_summary": validation["summary"],
"pricing_coverage": snapshot_state["pricing_coverage"],
"snapshot": snapshot_state["snapshot"],
"readiness": {
"validation_publishable": validation_publishable,
"snapshot_available": snapshot_available,
"require_full_pricing_coverage": require_full_pricing_coverage,
"full_pricing_coverage": full_pricing_coverage,
"pricing_gate_passed": pricing_gate_passed,
"is_ready_to_publish": is_ready_to_publish,
},
}