feat: 관리자 알림 설정 페이지 추가

backend/main.py

@@ -79,6 +79,11 @@ def init_db():
             webpage_id INTEGER REFERENCES webpages(id) ON DELETE CASCADE,
             PRIMARY KEY (user_id, webpage_id)
         );
+        CREATE TABLE IF NOT EXISTS notify_config (
+            key VARCHAR(100) PRIMARY KEY,
+            value TEXT NOT NULL,
+            updated_at TIMESTAMP DEFAULT NOW()
+        );
     """)
     # 컬럼 추가 (기존 DB 마이그레이션)
     for col, definition in [
@@ -420,6 +425,68 @@ def update_user_pages(user_id: int, data: AccessUpdate, token=Depends(require_ad
     conn.commit()
     return {"ok": True}
 
+# ─── Admin: 알림 설정 ────────────────────────────────────
+class NotifyConfig(BaseModel):
+    discord_webhook_url: Optional[str] = ""
+    gmail_user: Optional[str] = ""
+    gmail_app_password: Optional[str] = ""
+    alert_email_to: Optional[str] = ""
+
+def get_notify_config_from_db(conn) -> dict:
+    """DB에서 알림 설정 조회, 없으면 환경변수 fallback"""
+    cur = conn.cursor(cursor_factory=psycopg2.extras.RealDictCursor)
+    cur.execute("SELECT key, value FROM notify_config")
+    rows = cur.fetchall()
+    db_config = {r["key"]: r["value"] for r in rows}
+    return {
+        "discord_webhook_url": db_config.get("discord_webhook_url", os.getenv("DISCORD_WEBHOOK_URL", "")),
+        "gmail_user":          db_config.get("gmail_user",          os.getenv("GMAIL_USER", "")),
+        "gmail_app_password":  db_config.get("gmail_app_password",  os.getenv("GMAIL_APP_PASSWORD", "")),
+        "alert_email_to":      db_config.get("alert_email_to",      os.getenv("ALERT_EMAIL_TO", "")),
+    }
+
+@app.get("/api/admin/notify-config")
+def get_notify_config(token=Depends(require_admin), conn=Depends(get_db)):
+    cfg = get_notify_config_from_db(conn)
+    # 비밀번호는 설정 여부만 반환 (보안)
+    return {
+        "discord_webhook_url": cfg["discord_webhook_url"],
+        "gmail_user":          cfg["gmail_user"],
+        "gmail_app_password":  "••••••••" if cfg["gmail_app_password"] else "",
+        "alert_email_to":      cfg["alert_email_to"],
+    }
+
+@app.put("/api/admin/notify-config")
+def save_notify_config(data: NotifyConfig, token=Depends(require_admin), conn=Depends(get_db)):
+    cur = conn.cursor()
+    fields = {
+        "discord_webhook_url": data.discord_webhook_url,
+        "gmail_user":          data.gmail_user,
+        "alert_email_to":      data.alert_email_to,
+    }
+    # 비밀번호가 마스킹값이면 업데이트 안 함
+    if data.gmail_app_password and data.gmail_app_password != "••••••••":
+        fields["gmail_app_password"] = data.gmail_app_password
+
+    for key, value in fields.items():
+        if value is not None:
+            cur.execute("""
+                INSERT INTO notify_config (key, value, updated_at)
+                VALUES (%s, %s, NOW())
+                ON CONFLICT (key) DO UPDATE SET value=EXCLUDED.value, updated_at=NOW()
+            """, (key, value))
+    conn.commit()
+
+    # notifier 모듈 환경변수 동적 업데이트
+    import notifier
+    cfg = get_notify_config_from_db(conn)
+    notifier.DISCORD_WEBHOOK_URL = cfg["discord_webhook_url"]
+    notifier.GMAIL_USER          = cfg["gmail_user"]
+    notifier.GMAIL_APP_PASSWORD  = cfg["gmail_app_password"]
+    notifier.ALERT_EMAIL_TO      = cfg["alert_email_to"]
+
+    return {"ok": True}
+
 @app.get("/api/admin/notify-test")
 async def notify_test(token=Depends(require_admin)):
     # Discord + Gmail (Pod 이상/복구 테스트)