mirror of
https://github.com/Hestia-Homes/Model.git
synced 2026-06-08 11:17:27 +00:00
93 lines
2.9 KiB
Python
93 lines
2.9 KiB
Python
from collections import defaultdict
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from typing import Dict, List
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from backend.app.db.functions.recommendations_functions import (
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bulk_update_plans,
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get_plans_by_portfolio_id,
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get_scenario,
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)
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from backend.app.db.models.recommendations import PlanModel, ScenarioModel
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from backend.app.domain.classes.plan import Plan
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from backend.app.domain.classes.scenario import Scenario
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from utils.logger import setup_logger
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logger = setup_logger()
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def process_portfolio(portfolio_id: int) -> None:
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print(f"Processing portfolio {portfolio_id}")
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plans: List[Plan] = _load_plans_for_portfolio(portfolio_id)
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plans_by_property: Dict[int, List[Plan]] = _group_plans_by_property(plans)
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for uprn, property_plans in plans_by_property.items():
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if not property_plans:
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raise ValueError(f"No plans for property {uprn}")
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cheapest_plan = _choose_cheapest_relevant_plan(property_plans)
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_update_default_flags(property_plans, cheapest_plan)
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def _load_plans_for_portfolio(portfolio_id: int) -> List[Plan]:
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plan_models = get_plans_by_portfolio_id(portfolio_id)
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print(f"Got {len(plan_models)} plans from database")
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plans: List[Plan] = []
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for model in plan_models:
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if not model.scenario_id:
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logger.info(f"No Scenario associated with Plan of ID {model.id}")
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continue
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scenario_model = get_scenario(model.scenario_id)
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plans.append(
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Plan.from_sqlalchemy(model, Scenario.from_sqlalchemy(scenario_model))
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)
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print("Successfully mapped plan and scenario to domain object")
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return plans
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def _group_plans_by_property(plans: List[Plan]) -> Dict[int, List[Plan]]:
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grouped: dict[int, List[Plan]] = defaultdict(list)
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for plan in plans:
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grouped[plan.record.property_id].append(plan)
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return grouped
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def _choose_cheapest_relevant_plan(plans: List[Plan]) -> Plan:
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plans_to_consider: List[Plan] = [p for p in plans if p.is_compliant] or plans
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def plan_cost(plan: Plan) -> float:
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return (
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plan.record.cost_of_works
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if plan.record.cost_of_works is not None
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else float("inf")
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)
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cheapest_plan = min(plans_to_consider, key=plan_cost)
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return cheapest_plan
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def _update_default_flags(plans: List[Plan], cheapest_plan: Plan) -> None:
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plans_to_update: List[Plan] = []
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for plan in plans:
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should_be_default: bool = plan.id == cheapest_plan.id
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if plan.record.is_default != should_be_default:
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plan.set_default(should_be_default)
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plans_to_update.append(plan)
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if plans_to_update:
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plan_models: List[PlanModel] = []
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scenario_models: List[ScenarioModel] = []
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for plan in plans_to_update:
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plan_model, scenario_model = plan.to_sqlalchemy()
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plan_models.append(plan_model)
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scenario_models.append(scenario_model)
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bulk_update_plans(plan_models, scenario_models)
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