TorbatYar/backend/services/delivery/app/specifications/pricing.py
Mortezakoohjani 72077908f1 feat(delivery): deploy backend phases 10.2-10.8 through settlement
Ship fleet, availability, pricing, dispatch, routing, tracking, and settlement on delivery-service 0.10.8.0 with migrations and phase tests green.

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-07-27 21:01:23 +03:30

109 lines
3.9 KiB
Python

"""Pricing query specifications — Phase 10.4."""
from __future__ import annotations
from dataclasses import dataclass
from uuid import UUID
from sqlalchemy import Select, asc, desc, or_
from sqlalchemy.sql import ColumnElement
from app.models.pricing import CapabilityBundle, CapabilityDefinition, PricingRule
from app.models.types import CapabilityBundleStatus, CapabilityStatus, PricingRuleStatus
RULE_SORT = frozenset({"created_at", "updated_at", "code", "name", "status"})
CAP_SORT = frozenset({"created_at", "updated_at", "code", "name", "status"})
BUNDLE_SORT = frozenset({"created_at", "updated_at", "code", "name", "status"})
@dataclass(frozen=True, slots=True)
class PricingRuleListSpec:
status: PricingRuleStatus | None = None
organization_id: UUID | None = None
q: str | None = None
sort_by: str = "created_at"
sort_dir: str = "desc"
def filter_clauses(self) -> list[ColumnElement]:
clauses: list[ColumnElement] = []
if self.status is not None:
clauses.append(PricingRule.status == self.status)
if self.organization_id is not None:
clauses.append(PricingRule.organization_id == self.organization_id)
if self.q:
term = f"%{self.q.strip()}%"
clauses.append(
or_(PricingRule.code.ilike(term), PricingRule.name.ilike(term))
)
return clauses
def apply(self, stmt: Select) -> Select:
clauses = self.filter_clauses()
if clauses:
stmt = stmt.where(*clauses)
sort_key = self.sort_by if self.sort_by in RULE_SORT else "created_at"
column = getattr(PricingRule, sort_key)
order = desc(column) if self.sort_dir.lower() != "asc" else asc(column)
return stmt.order_by(order)
@dataclass(frozen=True, slots=True)
class CapabilityListSpec:
status: CapabilityStatus | None = None
q: str | None = None
sort_by: str = "created_at"
sort_dir: str = "desc"
def filter_clauses(self) -> list[ColumnElement]:
clauses: list[ColumnElement] = []
if self.status is not None:
clauses.append(CapabilityDefinition.status == self.status)
if self.q:
term = f"%{self.q.strip()}%"
clauses.append(
or_(
CapabilityDefinition.code.ilike(term),
CapabilityDefinition.name.ilike(term),
)
)
return clauses
def apply(self, stmt: Select) -> Select:
clauses = self.filter_clauses()
if clauses:
stmt = stmt.where(*clauses)
sort_key = self.sort_by if self.sort_by in CAP_SORT else "created_at"
column = getattr(CapabilityDefinition, sort_key)
order = desc(column) if self.sort_dir.lower() != "asc" else asc(column)
return stmt.order_by(order)
@dataclass(frozen=True, slots=True)
class BundleListSpec:
status: CapabilityBundleStatus | None = None
q: str | None = None
sort_by: str = "created_at"
sort_dir: str = "desc"
def filter_clauses(self) -> list[ColumnElement]:
clauses: list[ColumnElement] = []
if self.status is not None:
clauses.append(CapabilityBundle.status == self.status)
if self.q:
term = f"%{self.q.strip()}%"
clauses.append(
or_(
CapabilityBundle.code.ilike(term),
CapabilityBundle.name.ilike(term),
)
)
return clauses
def apply(self, stmt: Select) -> Select:
clauses = self.filter_clauses()
if clauses:
stmt = stmt.where(*clauses)
sort_key = self.sort_by if self.sort_by in BUNDLE_SORT else "created_at"
column = getattr(CapabilityBundle, sort_key)
order = desc(column) if self.sort_dir.lower() != "asc" else asc(column)
return stmt.order_by(order)