From 4850cac24bc598d54cfff9b88a1fc8b628dec0f1 Mon Sep 17 00:00:00 2001
From: KWON <thexero@gmail.com>
Date: Fri, 4 Jul 2025 16:50:21 +0900
Subject: [PATCH] =?UTF-8?q?=EB=8C=80=EA=B8=B0=ED=99=98=EA=B2=BD=EC=A0=95?=
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 =?UTF-8?q?=EB=84=A3=EA=B8=B0?=
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---
 lib/air_quality.py | 136 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 136 insertions(+)
 create mode 100644 lib/air_quality.py

diff --git a/lib/air_quality.py b/lib/air_quality.py
new file mode 100644
index 0000000..393eccf
--- /dev/null
+++ b/lib/air_quality.py
@@ -0,0 +1,136 @@
+import requests
+from datetime import datetime, timedelta
+from sqlalchemy import select, func
+from sqlalchemy.exc import IntegrityError
+from lib import db
+from lib import db_schema
+
+def fetch_air_quality_data(date_str, api_key, station_name='운정'):
+    """
+    API에서 지정된 날짜의 대기환경 데이터를 가져옴
+    """
+    url = "http://apis.data.go.kr/B552584/ArpltnStatsSvc/getMsrstnAcctoRDyrg"
+    params = {
+        'serviceKey': api_key,
+        'returnType': 'json',
+        'numOfRows': '100',
+        'pageNo': '1',
+        'inqBginDt': date_str,
+        'inqEndDt': date_str,
+        'msrstnName': station_name,
+    }
+
+    try:
+        resp = requests.get(url, params=params, timeout=10)
+        resp.raise_for_status()
+        data = resp.json()
+        items = data.get('response', {}).get('body', {}).get('items', [])
+        return items
+    except requests.RequestException as e:
+        print(f"[ERROR] 요청 실패: {e}")
+        return []
+    except ValueError as e:
+        print(f"[ERROR] JSON 파싱 실패: {e}")
+        return []
+
+def save_data_to_db(items, conn, table, debug=False):
+    """
+    대기환경 정보를 DB에 저장
+    """
+    for item in items:
+        try:
+            item_date = datetime.strptime(item['msurDt'], '%Y-%m-%d').date()
+        except Exception as e:
+            print(f"[ERROR] 날짜 파싱 오류: {item.get('msurDt')} → {e}")
+            continue
+
+        if debug:
+            print(f"[DEBUG] 처리 중: {item}")
+
+        # 중복 확인
+        sel = select(table.c.date).where(table.c.date == item_date)
+        try:
+            exists = conn.execute(sel).fetchone()
+        except Exception as e:
+            print(f"[ERROR] SELECT 오류: {e}")
+            continue
+
+        if exists:
+            if debug:
+                print(f"[DEBUG] {item_date} 이미 존재. 저장 생략")
+            continue
+
+        ins = table.insert().values(
+            date=item_date,
+            pm25=float(item.get('pm25Value')) if item.get('pm25Value') else None,
+            pm10=float(item.get('pm10Value')) if item.get('pm10Value') else None,
+            so2=float(item.get('so2Value')) if item.get('so2Value') else None,
+            co=float(item.get('coValue')) if item.get('coValue') else None,
+            no2=float(item.get('no2Value')) if item.get('no2Value') else None,
+            o3=float(item.get('o3Value')) if item.get('o3Value') else None,
+        )
+
+        try:
+            conn.execute(ins)
+            if debug:
+                print(f"[DEBUG] {item_date} 저장 완료")
+        except IntegrityError as e:
+            print(f"[ERROR] DB 중복 오류: {e}")
+        except Exception as e:
+            print(f"[ERROR] DB 저장 실패: {e}")
+
+def get_latest_date(conn, table):
+    """
+    테이블에서 가장 최근 날짜를 반환. 값이 없으면 None
+    """
+    try:
+        sel = select(func.max(table.c.date))
+        result = conn.execute(sel).scalar()
+        if result is None:
+            print("[INFO] 테이블에 데이터가 없습니다.")
+        return result
+    except Exception as e:
+        print(f"[ERROR] 가장 최근 날짜 조회 실패: {e}")
+        return None
+
+def main():
+    config = db.load_config()
+    api_key = config['air_quality_api']['service_key']
+    debug = config.get('debug', False)
+
+    engine = db.engine
+    table = db_schema.fg_manager_static_air
+
+    with engine.connect() as conn:
+        latest_date = get_latest_date(conn, table)
+
+        if latest_date is None:
+            start_date = datetime.strptime("2023-01-01", "%Y-%m-%d").date()
+        else:
+            start_date = latest_date + timedelta(days=1)
+
+        end_date = (datetime.now() - timedelta(days=1)).date()
+
+        if debug:
+            print(f"[DEBUG] 최신 DB 날짜: {latest_date}")
+            print(f"[DEBUG] 수집 시작일: {start_date}")
+            print(f"[DEBUG] 수집 종료일: {end_date}")
+
+        current_date = start_date
+        while current_date <= end_date:
+            date_str = current_date.strftime('%Y%m%d')
+            if debug:
+                print(f"[DEBUG] {date_str} 데이터 요청 중...")
+
+            items = fetch_air_quality_data(date_str, api_key)
+
+            if items:
+                save_data_to_db(items, conn, table, debug=debug)
+            else:
+                if debug:
+                    print(f"[DEBUG] {date_str} 데이터 없음")
+
+            current_date += timedelta(days=1)
+
+if __name__ == '__main__':
+    main()