feat: 백제약품 API 통합

- baekje_api.py: Flask Blueprint 추가
- order_api.py: submit_baekje_order 함수 추가
- admin_rx_usage.html: WHOLESALERS에 baekje 추가
- 환경변수: BAEKJE_USER_ID, BAEKJE_PASSWORD

URL: https://ibjp.co.kr (약국용 웹 주문 시스템)

backend/baekje_api.py

@@ -0,0 +1,208 @@
+# -*- coding: utf-8 -*-
+"""
+백제약품 도매상 API - Flask Blueprint
+
+핵심 로직은 wholesale 패키지에서 가져옴
+이 파일은 Flask 웹 API 연동만 담당
+"""
+
+import time
+import logging
+
+from flask import Blueprint, jsonify, request as flask_request
+
+# wholesale 패키지 경로 설정
+import wholesale_path
+
+# wholesale 패키지에서 핵심 클래스 가져오기
+from wholesale import BaekjeSession
+
+logger = logging.getLogger(__name__)
+
+# Blueprint 생성
+baekje_bp = Blueprint('baekje', __name__, url_prefix='/api/baekje')
+
+
+# ========== 세션 관리 ==========
+
+_baekje_session = None
+
+def get_baekje_session():
+    global _baekje_session
+    if _baekje_session is None:
+        _baekje_session = BaekjeSession()
+    return _baekje_session
+
+
+def search_baekje_stock(keyword: str):
+    """백제약품 재고 검색"""
+    try:
+        session = get_baekje_session()
+        result = session.search_products(keyword)
+        
+        if result.get('success'):
+            return {
+                'success': True,
+                'keyword': keyword,
+                'count': result['total'],
+                'items': result['items']
+            }
+        else:
+            return result
+        
+    except Exception as e:
+        logger.error(f"백제약품 검색 오류: {e}")
+        return {'success': False, 'error': 'SEARCH_ERROR', 'message': str(e)}
+
+
+# ========== Flask API Routes ==========
+
+@baekje_bp.route('/stock', methods=['GET'])
+def api_baekje_stock():
+    """
+    백제약품 재고 조회 API
+    
+    GET /api/baekje/stock?kd_code=672300240
+    GET /api/baekje/stock?keyword=타이레놀
+    """
+    kd_code = flask_request.args.get('kd_code', '').strip()
+    keyword = flask_request.args.get('keyword', '').strip()
+    
+    search_term = kd_code or keyword
+    
+    if not search_term:
+        return jsonify({
+            'success': False,
+            'error': 'MISSING_PARAM',
+            'message': 'kd_code 또는 keyword 파라미터가 필요합니다'
+        }), 400
+    
+    try:
+        result = search_baekje_stock(search_term)
+        return jsonify(result)
+    except Exception as e:
+        logger.error(f"백제약품 API 오류: {e}")
+        return jsonify({
+            'success': False,
+            'error': 'API_ERROR',
+            'message': str(e)
+        }), 500
+
+
+@baekje_bp.route('/session-status', methods=['GET'])
+def api_session_status():
+    """세션 상태 확인"""
+    session = get_baekje_session()
+    return jsonify({
+        'success': True,
+        'wholesaler': 'baekje',
+        'name': '백제약품',
+        'logged_in': session._logged_in,
+        'last_login': session._last_login,
+        'session_timeout': session.SESSION_TIMEOUT
+    })
+
+
+@baekje_bp.route('/login', methods=['POST'])
+def api_login():
+    """수동 로그인"""
+    session = get_baekje_session()
+    success = session.login()
+    return jsonify({
+        'success': success,
+        'message': '로그인 성공' if success else '로그인 실패'
+    })
+
+
+@baekje_bp.route('/cart', methods=['GET'])
+def api_get_cart():
+    """장바구니 조회"""
+    session = get_baekje_session()
+    result = session.get_cart()
+    return jsonify(result)
+
+
+@baekje_bp.route('/cart', methods=['POST'])
+def api_add_to_cart():
+    """
+    장바구니 추가
+    
+    POST /api/baekje/cart
+    {
+        "product_code": "672300240",
+        "quantity": 2
+    }
+    """
+    data = flask_request.get_json() or {}
+    product_code = data.get('product_code', '').strip()
+    quantity = int(data.get('quantity', 1))
+    
+    if not product_code:
+        return jsonify({
+            'success': False,
+            'error': 'MISSING_PARAM',
+            'message': 'product_code 필요'
+        }), 400
+    
+    session = get_baekje_session()
+    result = session.add_to_cart(product_code, quantity)
+    return jsonify(result)
+
+
+@baekje_bp.route('/order', methods=['POST'])
+def api_submit_order():
+    """
+    주문 등록
+    
+    POST /api/baekje/order
+    {
+        "memo": "긴급 요청"
+    }
+    """
+    data = flask_request.get_json() or {}
+    memo = data.get('memo', '')
+    
+    session = get_baekje_session()
+    result = session.submit_order(memo)
+    return jsonify(result)
+
+
+# ========== 프론트엔드 통합용 ==========
+
+@baekje_bp.route('/search-for-order', methods=['POST'])
+def api_search_for_order():
+    """
+    발주용 재고 검색 (프론트엔드 통합용)
+    
+    POST /api/baekje/search-for-order
+    {
+        "kd_code": "672300240",
+        "product_name": "타이레놀",
+        "specification": "500T"
+    }
+    """
+    data = flask_request.get_json() or {}
+    kd_code = data.get('kd_code', '').strip()
+    product_name = data.get('product_name', '').strip()
+    specification = data.get('specification', '').strip()
+    
+    search_term = kd_code or product_name
+    
+    if not search_term:
+        return jsonify({
+            'success': False,
+            'error': 'MISSING_PARAM'
+        }), 400
+    
+    result = search_baekje_stock(search_term)
+    
+    if result.get('success') and specification:
+        # 규격 필터링
+        filtered = [
+            item for item in result.get('items', [])
+            if specification.lower() in item.get('spec', '').lower()
+        ]
+        result['items'] = filtered
+        result['count'] = len(filtered)
+    
+    return jsonify(result)