diff --git a/backend/main.py b/backend/main.py index 8cd4e5d..3f8cbbd 100644 --- a/backend/main.py +++ b/backend/main.py @@ -543,63 +543,77 @@ def stats_top_chargers(limit: int = 10): @app.get("/api/stats/charger-error-codes") -def stats_charger_error_codes(charger_limit: int = 10, code_limit: int = 6): - """충전기별 에러코드 누적 건수 Top N (에러코드 입력된 신고 기준).""" +def stats_charger_error_codes(code_limit: int = 10, charger_limit: int = 5): + """에러코드별 누적 건수 Top N (어느 충전기에서 발생했는지 함께 반환).""" from database import SessionLocal from sqlalchemy import text from collections import defaultdict db = SessionLocal() try: rows = db.execute(text(""" - SELECT rep.charger_id, - COALESCE(c.station_name, rep.charger_id) AS station_name, - COALESCE(c.name, '') AS charger_name, - TRIM(rep.error_code) AS error_code, - COUNT(*) AS cnt + SELECT TRIM(rep.error_code) AS error_code, + rep.charger_id, + COALESCE(c.station_name, rep.charger_id) AS station_name, + COALESCE(c.name, '') AS charger_name, + COUNT(*) AS cnt FROM reports rep LEFT JOIN chargers c ON c.id = rep.charger_id WHERE rep.error_code IS NOT NULL AND TRIM(rep.error_code) != '' - GROUP BY rep.charger_id, c.station_name, c.name, TRIM(rep.error_code) + GROUP BY TRIM(rep.error_code), rep.charger_id, c.station_name, c.name """)).fetchall() if not rows: - return {"chargers": [], "error_codes": []} + return {"error_codes": [], "charger_labels": {}} + # error_code → {total, chargers: {cid: cnt}} + code_info = {} + # charger_id → label, total across all codes charger_info = {} - code_totals = defaultdict(int) - for row in rows: - cid, sname, cname, ecode, cnt = row + for ecode, cid, sname, cname, cnt in rows: cnt = int(cnt) - if cid not in charger_info: - charger_info[cid] = {"station_name": sname, "charger_name": cname, - "total": 0, "errors": {}} - charger_info[cid]["total"] += cnt - charger_info[cid]["errors"][ecode] = cnt - code_totals[ecode] += cnt + if ecode not in code_info: + code_info[ecode] = {"total": 0, "chargers": {}} + code_info[ecode]["total"] += cnt + code_info[ecode]["chargers"][cid] = cnt - top_chargers = sorted(charger_info.items(), key=lambda x: -x[1]["total"])[:charger_limit] - top_codes = [c for c, _ in sorted(code_totals.items(), key=lambda x: -x[1])[:code_limit]] + if cid not in charger_info: + label = sname + (f" ({cname})" if cname else "") + if len(label) > 20: label = label[:18] + "…" + charger_info[cid] = {"label": label, "total": 0} + charger_info[cid]["total"] += cnt + + # Top N error codes by total + top_codes = sorted(code_info.items(), key=lambda x: -x[1]["total"])[:code_limit] + + # Top M chargers across all top codes + top_cids = [cid for cid, _ in + sorted(charger_info.items(), key=lambda x: -x[1]["total"])[:charger_limit]] result = [] - for cid, info in reversed(top_chargers): # 역순: 차트에서 1위가 위에 - label = info["station_name"] - if info["charger_name"]: - label += f" ({info['charger_name']})" - if len(label) > 22: - label = label[:20] + "…" - errors = info["errors"] - other = sum(cnt for code, cnt in errors.items() if code not in top_codes) - entry = {"charger_id": cid, "label": label, "total": info["total"]} - for code in top_codes: - entry[code] = errors.get(code, 0) + for ecode, info in reversed(top_codes): # 역순: 차트에서 1위가 위에 + entry = {"error_code": ecode, "total": info["total"]} + other = 0 + for cid, cnt in info["chargers"].items(): + if cid in top_cids: + entry[cid] = cnt + else: + other += cnt if other: - entry["기타"] = other + entry["__other__"] = other result.append(entry) - has_other = any(r.get("기타", 0) > 0 for r in result) - all_codes = top_codes + (["기타"] if has_other else []) - return {"chargers": result, "error_codes": all_codes} + has_other = any(r.get("__other__", 0) > 0 for r in result) + charger_labels = {cid: charger_info[cid]["label"] for cid in top_cids} + if has_other: + charger_labels["__other__"] = "기타" + + dataset_keys = top_cids + (["__other__"] if has_other else []) + return { + "error_codes": result, # 에러코드별 집계 (역순) + "charger_labels": charger_labels, # charger_id → 표시명 + "dataset_keys": dataset_keys, # 차트 dataset 순서 + } finally: db.close() diff --git a/frontend/static/pages/admin/dashboard.html b/frontend/static/pages/admin/dashboard.html index cbe9555..9574bd1 100644 --- a/frontend/static/pages/admin/dashboard.html +++ b/frontend/static/pages/admin/dashboard.html @@ -230,8 +230,8 @@