Gateway / src /api /search.py
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import asyncio
import time
import traceback
from fastapi import APIRouter, File, Form, HTTPException, Request, UploadFile, Depends
from src.core.config import (
DEFAULT_PINECONE_KEY, IDX_FACES, IDX_OBJECTS,
FACE_MATCH_THRESHOLD, REDIS_TTL_SEARCH, REDIS_TTL_INFERENCE,
FACE_SPACE_URL, OBJECT_SPACE_URL,
FACE_QUALITY_GATE_SEARCH,
)
from src.core.security import get_verified_keys
from src.services.db_client import (
intersect_face_results, merge_face_results, merge_object_results,
pinecone_pool, search_faces, search_objects,
)
from src.services.cache import cache_get, cache_set, make_face_search_key, make_obj_search_key, make_inference_key
from src.core.logging import log
from src.common.utils import face_ui_score, get_ip, is_default_key, to_list
router = APIRouter()
@router.post("/api/search")
async def search_database(
request: Request,
file: UploadFile = File(...),
detect_faces: bool = Form(True),
user_id: str = Form(""),
keys: dict = Depends(get_verified_keys)
):
ip = get_ip(request)
start = time.perf_counter()
mode = "guest" if is_default_key(keys["pinecone_key"], DEFAULT_PINECONE_KEY) else "personal"
log("INFO", "search.start", user_id=user_id or "anonymous", ip=ip, mode=mode,
filename=file.filename, detect_faces=detect_faces)
try:
file_bytes = await file.read()
ai_manager = request.app.state.ai
sem = request.app.state.ai_semaphore
if FACE_SPACE_URL and OBJECT_SPACE_URL:
# Distributed mode: call remote Spaces for embedding, check Redis cache first
print(f"[DEBUG] Calling face space at: {FACE_SPACE_URL}") # add this
print(f"[DEBUG] Calling object space at: {OBJECT_SPACE_URL}") # add this
from src.services.space_client import embed_face, embed_object
inference_cache_key = make_inference_key(file_bytes, detect_faces, "search")
vectors = await cache_get(inference_cache_key)
if vectors is None:
face_task = embed_face(file_bytes, quality_gate=FACE_QUALITY_GATE_SEARCH) if detect_faces else asyncio.sleep(0)
obj_task = embed_object(file_bytes)
face_vecs, obj_vecs = await asyncio.gather(face_task, obj_task, return_exceptions=True)
if isinstance(face_vecs, Exception) or face_vecs is None:
log("WARNING", "search.face_space_unavailable", user_id=user_id or "anonymous", ip=ip)
face_vecs = []
if isinstance(obj_vecs, Exception) or obj_vecs is None:
raise HTTPException(503, "Object AI service is waking up (free tier). Please retry in 60 seconds.")
vectors = [*(face_vecs or []), *(obj_vecs or [])]
await cache_set(inference_cache_key, vectors, ttl=REDIS_TTL_INFERENCE)
else:
# Monolith mode: local inference
async with sem:
vectors = await ai_manager.process_image_bytes_async(file_bytes, detect_faces=detect_faces, mode="search")
inference_ms = round((time.perf_counter() - start) * 1000)
face_vectors = [v for v in vectors if v["type"] == "face"]
object_vectors = [v for v in vectors if v["type"] == "object"]
lanes_used = list({v["type"] for v in vectors})
log("INFO", "search.inference_done", user_id=user_id or "anonymous", ip=ip, mode=mode,
face_vecs=len(face_vectors), obj_vecs=len(object_vectors), inference_ms=inference_ms)
pc = pinecone_pool.get(keys["pinecone_key"])
idx_obj = pc.Index(IDX_OBJECTS)
idx_face = pc.Index(IDX_FACES)
if detect_faces and face_vectors:
return await _run_face_search(face_vectors, object_vectors, idx_face, idx_obj, start, user_id, ip, mode, lanes_used)
else:
return await _run_object_search(object_vectors, idx_obj, start, user_id, ip, mode, lanes_used)
except HTTPException:
raise
except Exception as e:
log("ERROR", "search.error", user_id=user_id or "anonymous", ip=ip, mode=mode,
error=str(e), traceback=traceback.format_exc()[-800:])
raise HTTPException(500, str(e))
async def _run_face_search(face_vectors, object_vectors, idx_face, idx_obj, start, user_id, ip, mode, lanes_used) -> dict:
async def _query_face(fv: dict) -> dict:
vec = to_list(fv["vector"])
det_score = fv.get("det_score", 1.0)
try:
ck = make_face_search_key(vec, FACE_MATCH_THRESHOLD)
image_map = await cache_get(ck)
if image_map is None:
image_map = await asyncio.to_thread(search_faces, idx_face, vec, det_score)
await cache_set(ck, image_map, ttl=REDIS_TTL_SEARCH)
except Exception as e:
if "404" in str(e):
raise HTTPException(404, "Pinecone index not found. Go to Settings → Verify & Save.")
raise
return {
"query_face_idx": fv.get("face_idx", 0),
"query_face_crop": fv.get("face_crop", ""),
"query_bbox": fv.get("bbox", []),
"det_score": det_score,
"face_width_px": fv.get("face_width_px", 0),
"matches": sorted(
[
{
"url": url,
"score": face_ui_score(d["raw_score"]),
"raw_score": round(d["raw_score"], 4),
"face_crop": d["face_crop"],
"folder": d["folder"],
"caption": "👤 Verified Identity",
}
for url, d in image_map.items()
],
key=lambda x: x["score"], reverse=True,
)[:50],
}
async def _query_obj_single(ov: dict) -> list:
vec = to_list(ov["vector"])
try:
ck = make_obj_search_key(vec)
result = await cache_get(ck)
if result is None:
result = await asyncio.to_thread(search_objects, idx_obj, vec)
await cache_set(ck, result, ttl=REDIS_TTL_SEARCH)
return result
except Exception as e:
if "404" in str(e):
raise HTTPException(404, "Pinecone index not found.")
raise
face_tasks = [_query_face(fv) for fv in face_vectors]
obj_tasks = [_query_obj_single(ov) for ov in object_vectors]
all_results = await asyncio.gather(*face_tasks, *obj_tasks)
raw_groups = list(all_results[:len(face_tasks)])
obj_nested = list(all_results[len(face_tasks):])
merged_face = merge_face_results(raw_groups)
merged_objects = merge_object_results(obj_nested)
face_groups = [g for g in raw_groups if g.get("matches")]
# Photos where ALL searched faces appear together (only meaningful for multi-face queries)
group_results = intersect_face_results(face_groups, min_faces_required=len(face_groups)) if len(face_groups) > 1 else []
duration_ms = round((time.perf_counter() - start) * 1000)
log("INFO", "search.complete", user_id=user_id or "anonymous", ip=ip, mode=mode,
lanes=["face", "object"], face_groups=len(face_groups), face_results=len(merged_face),
group_results=len(group_results), object_results=len(merged_objects), duration_ms=duration_ms)
return {
"mode": "face",
"face_groups": face_groups,
"results": merged_face,
"group_results": group_results,
"object_results": merged_objects,
}
async def _run_object_search(object_vectors, idx_obj, start, user_id, ip, mode, lanes_used) -> dict:
if not object_vectors:
return {"mode": "object", "results": [], "face_groups": []}
async def _query_obj(ov: dict) -> list:
vec = to_list(ov["vector"])
try:
ck = make_obj_search_key(vec)
result = await cache_get(ck)
if result is None:
result = await asyncio.to_thread(search_objects, idx_obj, vec)
await cache_set(ck, result, ttl=REDIS_TTL_SEARCH)
return result
except Exception as e:
if "404" in str(e):
raise HTTPException(404, "Pinecone index not found.")
raise
nested = await asyncio.gather(*[_query_obj(ov) for ov in object_vectors])
final = merge_object_results(nested)
duration_ms = round((time.perf_counter() - start) * 1000)
log("INFO", "search.complete", user_id=user_id or "anonymous", ip=ip, mode=mode,
lanes=lanes_used, results=len(final), duration_ms=duration_ms)
return {"mode": "object", "results": final, "face_groups": []}