Добавлен провайдер доставки CSE: SOAP-адаптер (Calc + SaveDocuments), маршрутизация init-payment по провайдеру, обобщение tariff_code до строки, география CSE в cities_map

app/adapters/delivery_providers/cse/mapper.py

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+"""CSE Calc response mapper to the unified delivery schema."""
+
+from decimal import Decimal, InvalidOperation
+
+from app.adapters.delivery_providers.cse.constants import (
+    CSE_PROVIDER_NAME,
+    normalize_currency,
+)
+from app.adapters.delivery_providers.cse.errors import CSEMappingError
+from app.adapters.delivery_providers.cse.soap import Element
+from app.schemas.response import DeliveryPrice
+
+_TARIFF_KEY = "Tariff"
+
+
+def map_cse_calc_response(root: Element) -> list[DeliveryPrice]:
+    """Map a parsed ``Calc`` ``return`` Element into unified delivery prices."""
+
+    prices: list[DeliveryPrice] = []
+    for tariff in _iter_tariffs(root):
+        price = _map_tariff(tariff)
+        if price is not None:
+            prices.append(price)
+    return prices
+
+
+def map_cse_calc_response_for_tariff_code(
+    root: Element,
+    *,
+    tariff_code: str,
+) -> DeliveryPrice | None:
+    """Return the tariff matching the given GUID, or ``None`` when absent."""
+
+    for tariff in _iter_tariffs(root):
+        if tariff.value == tariff_code:
+            return _map_tariff(tariff)
+    return None
+
+
+def _iter_tariffs(root: Element):
+    for destination in root.items:
+        for tariff in destination.items:
+            if tariff.key == _TARIFF_KEY:
+                yield tariff
+
+
+def _map_tariff(tariff: Element) -> DeliveryPrice | None:
+    tariff_code = tariff.value
+    if not tariff_code:
+        return None
+
+    raw_total = tariff.field_value("Total")
+    if raw_total is None:
+        raise CSEMappingError("CSE tariff is missing Total.")
+
+    try:
+        price = Decimal(raw_total)
+    except (InvalidOperation, TypeError, ValueError) as exc:
+        raise CSEMappingError("CSE tariff Total is not a valid decimal.") from exc
+    if not price.is_finite() or price <= 0:
+        return None
+
+    service_name = tariff.field_value("Service") or tariff.field_value("UrgencyName")
+    if not service_name:
+        service_name = tariff_code
+
+    currency = normalize_currency(tariff.field_value("CurrencyName"))
+
+    min_days = _to_int(tariff.field_value("MinPeriod"))
+    max_days = _to_int(tariff.field_value("MaxPeriod"))
+    if min_days is None:
+        min_days = 0
+    if max_days is None or max_days < min_days:
+        max_days = min_days
+
+    try:
+        return DeliveryPrice(
+            provider=CSE_PROVIDER_NAME,
+            service_name=str(service_name),
+            price=price,
+            currency=currency,
+            delivery_days_min=min_days,
+            delivery_days_max=max_days,
+            tariff_code=tariff_code,
+            bypass_parcel_type_filter=True,
+        )
+    except (ArithmeticError, TypeError, ValueError) as exc:
+        raise CSEMappingError("CSE tariff fields have invalid values.") from exc
+
+
+def _to_int(value: str | None) -> int | None:
+    if value is None or value == "":
+        return None
+    try:
+        return int(Decimal(value))
+    except (InvalidOperation, TypeError, ValueError):
+        return None