gendesign/backend/app/services/site_finder
lekss361 d7fbaa0528
feat(velocity): per-room-bucket breakdown in VelocityResult (#163)
* fix(velocity): :window_interval::interval cast syntax — same bug as PR #152

SQLAlchemy text() parser confuses ':window_interval' (named param) followed
by '::interval' (cast operator) — exactly как было в PR #152 с :weights::jsonb.

Result: psycopg видит literal ':window_interval' в SQL → syntax error →
exception caught by velocity catch → return None → UI shows null.

## Fix

':window_interval::interval' → 'CAST(:window_interval AS interval)' (2 мест:
sales_rows query + _get_ekb_median percentile).

Pre-push code-reviewer должен был catch — добавим в feedback что для каждого
text() SQL grep ':[a-z]*::' before push.

Refs: PR #158 deploy verify, e2e velocity = null root cause

* feat(velocity): add per-room-bucket breakdown to VelocityResult

Add third SQL query (bucket_rows) aggregating deals_total_count by
room_bucket ('студия','1','2','3','4+') across mapped competitors.

New fields:
- VelocityResult.by_room_bucket: aggregate {units, sqm, complexes_count}
- sample_competitors[].by_room_bucket: {bucket: units}

Bucket query wrapped в SAVEPOINT — failure degrades gracefully к empty
dict без abort outer tx.

CAST(:window_interval AS interval) pattern per PR #160 lesson.

Test coverage: 3 new tests (aggregation, empty fallback, sample entries).

Closes part of #161

---------

Co-authored-by: lekss361 <claudestars@proton.me>
2026-05-15 10:09:03 +03:00
..
__init__.py init 2026-04-25 13:45:19 +03:00
cadastre_fetch.py feat(site-finder): auto-fetch cadastre geometry on-demand (#93) (#95) 2026-05-12 09:02:17 +03:00
filters.py init 2026-04-25 13:45:19 +03:00
gate_verdict.py feat(site-finder): gate verdict aggregator — can-build-MKD signal (#32 G5 sub-PR 1/2) (#142) 2026-05-15 00:59:53 +03:00
noise_loader.py feat(site-finder): isochrones UI + networks VKH + OSM substations 2026-05-11 21:48:21 +03:00
parser.py init 2026-04-25 13:45:19 +03:00
poi_loader.py feat(site-finder): v3.1 — cad_parcels_geom, analyze fallback, POI lat/lon, OSM expand 2026-05-11 19:52:19 +03:00
pzz_loader.py fix(pzz_loader): replace bare db.rollback() with SAVEPOINT per-row (#124) 2026-05-14 23:29:23 +03:00
quarter_dump_lookup.py feat(site-finder): integrate nspd_quarter_dumps cache в analyze_parcel (#94 Sprint 1.1 FINAL) (#116) 2026-05-13 09:14:19 +03:00
scorer.py init 2026-04-25 13:45:19 +03:00
velocity.py feat(velocity): per-room-bucket breakdown in VelocityResult (#163) 2026-05-15 10:09:03 +03:00
weight_profiles.py fix(site-finder): SQLAlchemy syntax error :weights::jsonb → CAST(:weights AS jsonb) (#152) 2026-05-15 08:12:18 +03:00