9e1beb7495
- ListingDecision model with unique constraint on (user_id, listing_id, listing_type)
- Alembic migration for listingdecision table
- DecisionRepository with dialect-aware upsert (MySQL/SQLite)
- DecisionService with input validation
- Decision API routes: PUT/GET/DELETE on /api/decisions
- GET /api/listing/{id}/detail endpoint extracting full property info from additional_info
- Add listing ID to GeoJSON feature properties
- Decision filtering on GeoJSON stream endpoint (decision_filter param)
69 lines
2.1 KiB
Python
69 lines
2.1 KiB
Python
"""Unified decision service - shared between CLI and HTTP API.
|
|
|
|
This module provides the core business logic for listing decision operations
|
|
(like/dislike). Both the CLI and HTTP API should use these functions.
|
|
"""
|
|
from models.decision import ListingDecision
|
|
from repositories.decision_repository import DecisionRepository
|
|
|
|
VALID_DECISIONS = {"liked", "disliked"}
|
|
VALID_LISTING_TYPES = {"RENT", "BUY"}
|
|
|
|
|
|
def set_decision(
|
|
repository: DecisionRepository,
|
|
user_id: int,
|
|
listing_id: int,
|
|
listing_type: str,
|
|
decision: str,
|
|
) -> ListingDecision:
|
|
"""Set or update a like/dislike decision for a listing."""
|
|
if decision not in VALID_DECISIONS:
|
|
raise ValueError(
|
|
f"Invalid decision: {decision}. Must be one of {VALID_DECISIONS}"
|
|
)
|
|
if listing_type not in VALID_LISTING_TYPES:
|
|
raise ValueError(
|
|
f"Invalid listing_type: {listing_type}. Must be one of {VALID_LISTING_TYPES}"
|
|
)
|
|
return repository.upsert_decision(user_id, listing_id, listing_type, decision)
|
|
|
|
|
|
def get_user_decisions(
|
|
repository: DecisionRepository,
|
|
user_id: int,
|
|
) -> list[ListingDecision]:
|
|
"""Get all decisions for a user."""
|
|
return repository.get_decisions_for_user(user_id)
|
|
|
|
|
|
def remove_decision(
|
|
repository: DecisionRepository,
|
|
user_id: int,
|
|
listing_id: int,
|
|
listing_type: str,
|
|
) -> bool:
|
|
"""Remove a decision (un-like/un-dislike). Returns False if not found."""
|
|
if listing_type not in VALID_LISTING_TYPES:
|
|
raise ValueError(
|
|
f"Invalid listing_type: {listing_type}. Must be one of {VALID_LISTING_TYPES}"
|
|
)
|
|
return repository.delete_decision(user_id, listing_id, listing_type)
|
|
|
|
|
|
def get_disliked_ids(
|
|
repository: DecisionRepository,
|
|
user_id: int,
|
|
listing_type: str,
|
|
) -> set[int]:
|
|
"""Get all disliked listing IDs for a user and listing type."""
|
|
return repository.get_disliked_listing_ids(user_id, listing_type)
|
|
|
|
|
|
def get_liked_ids(
|
|
repository: DecisionRepository,
|
|
user_id: int,
|
|
listing_type: str,
|
|
) -> set[int]:
|
|
"""Get all liked listing IDs for a user and listing type."""
|
|
return repository.get_liked_listing_ids(user_id, listing_type)
|