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signal-platform/app/routers/scores.py
Dennis Thiessen 181cfe6588
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major update
2026-02-27 16:08:09 +01:00

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Python

"""Scores router — scoring engine endpoints."""
from fastapi import APIRouter, Depends
from sqlalchemy.ext.asyncio import AsyncSession
from app.dependencies import get_db, require_access
from app.schemas.common import APIEnvelope
from app.schemas.score import (
CompositeBreakdownResponse,
DimensionScoreResponse,
RankingEntry,
RankingResponse,
ScoreBreakdownResponse,
ScoreResponse,
SubScoreResponse,
WeightUpdateRequest,
)
from app.services.scoring_service import get_rankings, get_score, update_weights
def _map_breakdown(raw: dict | None) -> ScoreBreakdownResponse | None:
"""Convert a raw breakdown dict from the scoring service into a Pydantic model."""
if raw is None:
return None
return ScoreBreakdownResponse(
sub_scores=[SubScoreResponse(**s) for s in raw.get("sub_scores", [])],
formula=raw.get("formula", ""),
unavailable=raw.get("unavailable", []),
)
def _map_composite_breakdown(raw: dict | None) -> CompositeBreakdownResponse | None:
"""Convert a raw composite breakdown dict into a Pydantic model."""
if raw is None:
return None
return CompositeBreakdownResponse(
weights=raw["weights"],
available_dimensions=raw["available_dimensions"],
missing_dimensions=raw["missing_dimensions"],
renormalized_weights=raw["renormalized_weights"],
formula=raw["formula"],
)
router = APIRouter(tags=["scores"])
@router.get("/scores/{symbol}", response_model=APIEnvelope)
async def read_score(
symbol: str,
_user=Depends(require_access),
db: AsyncSession = Depends(get_db),
) -> APIEnvelope:
"""Get composite + dimension scores for a symbol. Recomputes stale scores."""
result = await get_score(db, symbol)
data = ScoreResponse(
symbol=result["symbol"],
composite_score=result["composite_score"],
composite_stale=result["composite_stale"],
weights=result["weights"],
dimensions=[
DimensionScoreResponse(
dimension=d["dimension"],
score=d["score"],
is_stale=d["is_stale"],
computed_at=d.get("computed_at"),
breakdown=_map_breakdown(d.get("breakdown")),
)
for d in result["dimensions"]
],
missing_dimensions=result["missing_dimensions"],
computed_at=result["computed_at"],
composite_breakdown=_map_composite_breakdown(
result.get("composite_breakdown")
),
)
return APIEnvelope(status="success", data=data.model_dump(mode="json"))
@router.get("/rankings", response_model=APIEnvelope)
async def read_rankings(
_user=Depends(require_access),
db: AsyncSession = Depends(get_db),
) -> APIEnvelope:
"""Get all tickers ranked by composite score descending."""
result = await get_rankings(db)
data = RankingResponse(
rankings=[
RankingEntry(
symbol=r["symbol"],
composite_score=r["composite_score"],
dimensions=[
DimensionScoreResponse(**d) for d in r["dimensions"]
],
)
for r in result["rankings"]
],
weights=result["weights"],
)
return APIEnvelope(status="success", data=data.model_dump(mode="json"))
@router.put("/scores/weights", response_model=APIEnvelope)
async def update_score_weights(
body: WeightUpdateRequest,
_user=Depends(require_access),
db: AsyncSession = Depends(get_db),
) -> APIEnvelope:
"""Update dimension weights and recompute all composite scores."""
new_weights = await update_weights(db, body.weights)
return APIEnvelope(status="success", data={"weights": new_weights})