feat: 환산계수 모달 구현 전 백업

backend/pmr_api.py

@@ -571,6 +571,7 @@ def preview_label():
         - frequency: 복용 횟수
         - duration: 복용 일수
         - unit: 단위 (정, 캡슐, mL 등)
+        - sung_code: 성분코드 (환산계수 조회용, 선택)
     """
     try:
         data = request.get_json()
@@ -582,6 +583,17 @@ def preview_label():
         frequency = int(data.get('frequency', 0))
         duration = int(data.get('duration', 0))
         unit = data.get('unit', '정')
+        sung_code = data.get('sung_code', '')
+        
+        # 환산계수 조회 (sung_code가 있는 경우)
+        conversion_factor = None
+        if sung_code:
+            try:
+                from db.dbsetup import db_manager
+                cf_result = db_manager.get_conversion_factor(sung_code)
+                conversion_factor = cf_result.get('conversion_factor')
+            except Exception as cf_err:
+                logging.warning(f"환산계수 조회 실패 (무시): {cf_err}")
         
         # 라벨 이미지 생성
         image = create_label_image(
@@ -591,7 +603,8 @@ def preview_label():
             dosage=dosage,
             frequency=frequency,
             duration=duration,
-            unit=unit
+            unit=unit,
+            conversion_factor=conversion_factor
         )
         
         # Base64 인코딩
@@ -602,7 +615,8 @@ def preview_label():
         
         return jsonify({
             'success': True,
-            'image': f'data:image/png;base64,{img_base64}'
+            'image': f'data:image/png;base64,{img_base64}',
+            'conversion_factor': conversion_factor
         })
         
     except Exception as e:
@@ -679,9 +693,14 @@ def draw_scissor_border(draw, width, height, edge_size=5, steps=20):
     draw.line(right_points, fill="black", width=2)
 
 
-def create_label_image(patient_name, med_name, add_info='', dosage=0, frequency=0, duration=0, unit='정'):
+def create_label_image(patient_name, med_name, add_info='', dosage=0, frequency=0, duration=0, unit='정', conversion_factor=None):
     """
     라벨 이미지 생성 (29mm 용지 기준) - 레거시 디자인 적용
+    
+    Args:
+        conversion_factor: 건조시럽 환산계수 (mL→g 변환용, 선택)
+            - 예: 0.11이면 120ml * 0.11 = 13.2g
+            - 총량 옆에 괄호로 표시: "총120mL (13.2g)/5일분"
     """
     # 약품명 정제 (밀리그램 → mg 등)
     med_name = normalize_medication_name(med_name)
@@ -811,11 +830,21 @@ def create_label_image(patient_name, med_name, add_info='', dosage=0, frequency=
     
     y += 5
     
-    # 총량 계산 및 표시
+    # 총량 계산 및 표시 (환산계수 반영)
     if dosage > 0 and frequency > 0 and duration > 0:
         total = dosage * frequency * duration
         total_str = str(int(total)) if total == int(total) else f"{total:.2f}".rstrip('0').rstrip('.')
-        total_text = f"총{total_str}{unit}/{duration}일분"
+        
+        # 환산계수가 있으면 변환된 총량도 표시 (예: "총120mL (13.2g)/5일분")
+        if conversion_factor is not None and conversion_factor > 0:
+            converted_total = total * conversion_factor
+            if converted_total == int(converted_total):
+                converted_str = str(int(converted_total))
+            else:
+                converted_str = f"{converted_total:.2f}".rstrip('0').rstrip('.')
+            total_text = f"총{total_str}{unit} ({converted_str}g)/{duration}일분"
+        else:
+            total_text = f"총{total_str}{unit}/{duration}일분"
         y = draw_centered(total_text, y, additional_font)
     
     y += 5