feat: 알림 채널 B방식 다중 발송 적용

backend/main.py

@@ -490,15 +490,6 @@ def get_notify_config_from_db(conn) -> dict:
         "alert_email_to":      os.getenv("ALERT_EMAIL_TO", ""),
     }
 
-def refresh_notifier(conn):
-    """활성화된 모든 채널 중 첫 번째 채널로 notifier 모듈 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"]
-
 @app.get("/api/admin/notify-channels")
 def list_notify_channels(token=Depends(require_admin), conn=Depends(get_db)):
     cur = conn.cursor(cursor_factory=psycopg2.extras.RealDictCursor)
@@ -516,7 +507,6 @@ def create_notify_channel(data: NotifyChannel, token=Depends(require_admin), con
     """, (data.name, data.type, data.discord_webhook_url or "", data.gmail_user or "",
           data.gmail_app_password or "", data.alert_email_to or "", data.enabled))
     conn.commit()
-    refresh_notifier(conn)
     return cur.fetchone()
 
 @app.put("/api/admin/notify-channels/{channel_id}")
@@ -538,7 +528,6 @@ def update_notify_channel(channel_id: int, data: NotifyChannel, token=Depends(re
         """, (data.name, data.type, data.discord_webhook_url or "", data.gmail_user or "",
               data.alert_email_to or "", data.enabled, channel_id))
     conn.commit()
-    refresh_notifier(conn)
     return cur.fetchone()
 
 @app.delete("/api/admin/notify-channels/{channel_id}")
@@ -546,7 +535,6 @@ def delete_notify_channel(channel_id: int, token=Depends(require_admin), conn=De
     cur = conn.cursor()
     cur.execute("DELETE FROM notify_channels WHERE id=%s", (channel_id,))
     conn.commit()
-    refresh_notifier(conn)
     return {"ok": True}
 
 # ─── 하위호환: 기존 단일 설정 API ────────────────────────

backend/notifier.py

@@ -1,20 +1,56 @@
 import os
 import smtplib
 import httpx
+import asyncio
+import psycopg2
+import psycopg2.extras
 from email.mime.text import MIMEText
 from email.mime.multipart import MIMEMultipart
 from datetime import datetime
 
-# ── 환경변수 ──────────────────────────────────────────────
+# ── DB 설정 ───────────────────────────────────────────────
+DB_CONFIG = {
+    "host":     os.getenv("DB_HOST", "postgres-service"),
+    "port":     int(os.getenv("DB_PORT", "5432")),
+    "database": os.getenv("DB_NAME", "portaldb"),
+    "user":     os.getenv("DB_USER", "portaluser"),
+    "password": os.getenv("DB_PASSWORD", "portalpass"),
+}
+
+# ── 환경변수 fallback ─────────────────────────────────────
 DISCORD_WEBHOOK_URL = os.getenv("DISCORD_WEBHOOK_URL", "")
 GMAIL_USER          = os.getenv("GMAIL_USER", "")
 GMAIL_APP_PASSWORD  = os.getenv("GMAIL_APP_PASSWORD", "")
 ALERT_EMAIL_TO      = os.getenv("ALERT_EMAIL_TO", "")
 
-# ── Discord ───────────────────────────────────────────────
-async def send_discord(title: str, message: str, color: int = 0xe74c3c):
-    if not DISCORD_WEBHOOK_URL:
-        print("[NOTIFIER] Discord webhook URL not set, skipping")
+# ── DB에서 활성 채널 목록 조회 ────────────────────────────
+def get_active_channels():
+    try:
+        conn = psycopg2.connect(**DB_CONFIG)
+        cur = conn.cursor(cursor_factory=psycopg2.extras.RealDictCursor)
+        cur.execute("SELECT * FROM notify_channels WHERE enabled=TRUE ORDER BY id")
+        rows = cur.fetchall()
+        conn.close()
+        if rows:
+            return [dict(r) for r in rows]
+    except Exception as e:
+        print(f"[NOTIFIER] DB channel load failed: {e}")
+
+    # fallback: 환경변수로 단일 채널 구성
+    if DISCORD_WEBHOOK_URL or GMAIL_USER:
+        return [{
+            "id": 0, "name": "default", "type": "both",
+            "discord_webhook_url": DISCORD_WEBHOOK_URL,
+            "gmail_user":          GMAIL_USER,
+            "gmail_app_password":  GMAIL_APP_PASSWORD,
+            "alert_email_to":      ALERT_EMAIL_TO,
+            "enabled": True,
+        }]
+    return []
+
+# ── Discord 단건 발송 ─────────────────────────────────────
+async def _send_discord(webhook_url: str, title: str, message: str, color: int):
+    if not webhook_url:
         return
     payload = {
         "embeds": [{
@@ -27,7 +63,7 @@ async def send_discord(title: str, message: str, color: int = 0xe74c3c):
     }
     try:
         async with httpx.AsyncClient() as client:
-            res = await client.post(DISCORD_WEBHOOK_URL, json=payload, timeout=10)
+            res = await client.post(webhook_url, json=payload, timeout=10)
             if res.status_code not in (200, 204):
                 print(f"[NOTIFIER] Discord error: {res.status_code} {res.text}")
             else:
@@ -35,17 +71,17 @@ async def send_discord(title: str, message: str, color: int = 0xe74c3c):
     except Exception as e:
         print(f"[NOTIFIER] Discord exception: {e}")
 
-# ── Gmail ─────────────────────────────────────────────────
-def send_email(subject: str, body: str):
-    if not all([GMAIL_USER, GMAIL_APP_PASSWORD, ALERT_EMAIL_TO]):
+# ── Gmail 단건 발송 ───────────────────────────────────────
+def _send_email(gmail_user: str, gmail_app_password: str, alert_email_to: str,
+                subject: str, body: str):
+    if not all([gmail_user, gmail_app_password, alert_email_to]):
         print("[NOTIFIER] Gmail config not set, skipping")
         return
     try:
         msg = MIMEMultipart("alternative")
         msg["Subject"] = f"[Web Portal] {subject}"
-        msg["From"]    = GMAIL_USER
-        msg["To"]      = ALERT_EMAIL_TO
-
+        msg["From"]    = gmail_user
+        msg["To"]      = alert_email_to
         html = f"""
         <html><body style="font-family:sans-serif;padding:20px">
           <div style="background:#e74c3c;color:white;padding:12px 20px;border-radius:8px 8px 0 0">
@@ -60,26 +96,62 @@ def send_email(subject: str, body: str):
         """
         msg.attach(MIMEText(html, "html"))
         with smtplib.SMTP_SSL("smtp.gmail.com", 465) as smtp:
-            smtp.login(GMAIL_USER, GMAIL_APP_PASSWORD)
-            smtp.sendmail(GMAIL_USER, ALERT_EMAIL_TO, msg.as_string())
+            smtp.login(gmail_user, gmail_app_password)
+            smtp.sendmail(gmail_user, alert_email_to, msg.as_string())
         print(f"[NOTIFIER] Email sent: {subject}")
     except Exception as e:
         print(f"[NOTIFIER] Email exception: {e}")
 
-# ── 채널별 알림 함수 ──────────────────────────────────────
-import asyncio
+# ── 채널 유형별 발송 로직 ─────────────────────────────────
+async def _dispatch_channel(ch: dict, title: str, message: str, color: int, mode: str):
+    ch_type = ch.get("type", "both")
 
+    send_discord_flag = (
+        mode in ("both", "discord") and
+        ch_type in ("both", "discord") and
+        ch.get("discord_webhook_url")
+    )
+    send_email_flag = (
+        mode in ("both", "email") and
+        ch_type in ("both", "email") and
+        ch.get("gmail_user")
+    )
+
+    if send_discord_flag:
+        await _send_discord(ch["discord_webhook_url"], title, message, color)
+
+    if send_email_flag:
+        loop = asyncio.get_event_loop()
+        await loop.run_in_executor(
+            None, _send_email,
+            ch["gmail_user"], ch["gmail_app_password"],
+            ch["alert_email_to"], title, message
+        )
+
+# ── 공개 알림 함수 ────────────────────────────────────────
 async def notify_both(title: str, message: str, color: int = 0xe74c3c):
-    """Discord + Gmail 둘 다 전송 (Pod 이상/복구)"""
-    await send_discord(title, message, color)
-    loop = asyncio.get_event_loop()
-    await loop.run_in_executor(None, send_email, title, message)
+    """Discord + Gmail 타입 채널 모두에 발송 (Pod 이상/복구)"""
+    channels = get_active_channels()
+    if not channels:
+        print("[NOTIFIER] No active channels, skipping")
+        return
+    for ch in channels:
+        await _dispatch_channel(ch, title, message, color, mode="both")
 
 async def notify_email_only(title: str, message: str, color: int = 0xf39c12):
-    """Gmail만 전송 (인증서 만료 임박)"""
-    loop = asyncio.get_event_loop()
-    await loop.run_in_executor(None, send_email, title, message)
+    """Gmail 타입 채널에만 발송 (인증서 만료 임박)"""
+    channels = get_active_channels()
+    if not channels:
+        print("[NOTIFIER] No active channels, skipping")
+        return
+    for ch in channels:
+        await _dispatch_channel(ch, title, message, color, mode="email")
 
 async def notify_discord_only(title: str, message: str, color: int = 0xe74c3c):
-    """Discord만 전송 (계정 잠금, 임시 비밀번호 발급)"""
-    await send_discord(title, message, color)
+    """Discord 타입 채널에만 발송 (계정 잠금, 임시 비밀번호 발급)"""
+    channels = get_active_channels()
+    if not channels:
+        print("[NOTIFIER] No active channels, skipping")
+        return
+    for ch in channels:
+        await _dispatch_channel(ch, title, message, color, mode="discord")