refactor: extract public catalog router

apps/api/app/routers/__init__.py

@@ -0,0 +1 @@
+"""HTTP route groups for the RF4 Spotter API."""

apps/api/app/routers/catalog.py

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+from fastapi import APIRouter, Query
+from sqlalchemy import select
+
+from ..dependencies import Db
+from ..models import Bait, CatchReport, Fish, ModerationStatus, Spot, Waterbody
+from ..schemas import BaitOut, FishOut, WaterbodyOut
+
+router = APIRouter()
+
+
+@router.get("/api/v1/fishes", response_model=list[FishOut])
+def fishes(db: Db, limit: int = Query(200, ge=1, le=500), offset: int = Query(0, ge=0)) -> list[Fish]:
+    return list(db.scalars(select(Fish).order_by(Fish.name_ru, Fish.id).offset(offset).limit(limit)))
+
+
+@router.get("/api/v1/waterbodies", response_model=list[WaterbodyOut])
+def waterbodies(db: Db, limit: int = Query(200, ge=1, le=500), offset: int = Query(0, ge=0)) -> list[Waterbody]:
+    return list(db.scalars(select(Waterbody).order_by(Waterbody.name_ru, Waterbody.id).offset(offset).limit(limit)))
+
+
+@router.get("/api/v1/baits", response_model=list[BaitOut])
+def baits(db: Db, limit: int = Query(200, ge=1, le=500), offset: int = Query(0, ge=0)) -> list[Bait]:
+    return list(db.scalars(select(Bait).order_by(Bait.name, Bait.id).offset(offset).limit(limit)))
+
+
+@router.get("/api/v1/public-spot-pages")
+def public_spot_pages(db: Db, limit: int = Query(500, ge=1, le=500), offset: int = Query(0, ge=0)) -> list[str]:
+    rows = db.execute(select(Waterbody.slug, Spot.x, Spot.y, Fish.slug)
+        .select_from(CatchReport).join(Spot, CatchReport.spot_id == Spot.id)
+        .join(Waterbody, Spot.waterbody_id == Waterbody.id).join(Fish, CatchReport.fish_id == Fish.id)
+        .where(CatchReport.moderation_status == ModerationStatus.approved, CatchReport.deleted_at.is_(None))
+        .distinct().order_by(Waterbody.slug, Spot.x, Spot.y, Fish.slug).offset(offset).limit(limit))
+    return [path for water, x, y, fish in rows for path in
+        (f"/spots/{water}-{x}x{y}", f"/waterbodies/{water}/{fish}")]