Update app.py

app.py

@@ -57,6 +57,92 @@ def fetch_available_standards():
 
     return sorted(list(set([d["standard"] for d in db_registry])))
 
+# ==========================================
+# 💡 [복구된 핵심 함수] 이 부분을 추가해 주세요!
+# ==========================================
+def fetch_database_records(std, ver, cat, table_type):
+    try:
+        db_path = os.path.join(UPLOAD_DIR, f"{std}_{ver}.db")
+        conn = sqlite3.connect(db_path)
+        
+        # Table_Config 읽어오기
+        conn_map = sqlite3.connect(os.path.join(UPLOAD_DIR, "mapping.db"))
+        config_df = pd.read_sql("SELECT * FROM Table_Config WHERE TRIM(Table_Type)=?", conn_map, params=[table_type.strip()])
+        conn_map.close()
+        
+        if config_df.empty:
+            return pd.DataFrame({"Error": [f"Table_Config에서 '{table_type}' 설정을 찾을 수 없습니다."]}), []
+            
+        anchors = [x.strip() for x in config_df.iloc[0]['Anchor_Column'].split(',')]
+        displays = [x.strip() for x in config_df.iloc[0]['Display_Columns'].split(',')] if pd.notna(config_df.iloc[0]['Display_Columns']) else anchors
+        
+        # 메인 테이블 찾기
+        tables = pd.read_sql("SELECT name FROM sqlite_master WHERE type='table';", conn)['name'].tolist()
+        valid_tables = [t for t in tables if t.lower() not in ['mapping_registry', 'mapping_table', 'table_config', 'sqlite_sequence']]
+        main_table = f"{std}_{ver}"
+        if main_table not in valid_tables:
+            main_table = valid_tables[0] if valid_tables else None
+            
+        if not main_table:
+            return pd.DataFrame({"Error": ["데이터 테이블을 찾을 수 없습니다."]}), []
+            
+        query = f"SELECT * FROM [{main_table}]"
+        
+        # 카테고리 필터링
+        cols = pd.read_sql(f"PRAGMA table_info([{main_table}])", conn)['name'].tolist()
+        lower_cols = [c.lower() for c in cols]
+        
+        conditions = []
+        if cat and cat != "ALL":
+            if "." in cat and 'chapter' in lower_cols and 'category' in lower_cols:
+                ch, ca = cat.split(".", 1)
+                ch_col = cols[lower_cols.index('chapter')]
+                ca_col = cols[lower_cols.index('category')]
+                conditions.append(f"[{ch_col}] = '{ch}' AND [{ca_col}] = '{ca}'")
+            elif 'category' in lower_cols:
+                ca_col = cols[lower_cols.index('category')]
+                conditions.append(f"[{ca_col}] = '{cat}'")
+                
+        if conditions:
+            query += " WHERE " + " AND ".join(conditions)
+            
+        df = pd.read_sql(query, conn)
+        conn.close()
+        
+        # 화면에 보여줄 열 정리
+        final_cols = []
+        for d in displays:
+            for c in df.columns:
+                if d.lower() == c.lower():
+                    final_cols.append(c)
+                    break
+                    
+        real_anchors = [c for c in df.columns if any(a.lower() == c.lower() for a in anchors)]
+        
+        if not final_cols:
+            return df, real_anchors
+            
+        return df[final_cols], real_anchors
+        
+    except Exception as e:
+        import traceback
+        traceback.print_exc()
+        return pd.DataFrame({"Error": [f"데이터 로드 오류: {str(e)}"]}), []
+
+def generate_html_diff(text1, text2):
+    try:
+        diff = difflib.ndiff(str(text1).split(), str(text2).split())
+        res1, res2 = [], []
+        for token in diff:
+            if token.startswith('- '): res1.append(f"<span style='color:#ff4d4f; font-weight:bold;'>{token[2:]}</span>")
+            elif token.startswith('+ '): res2.append(f"<span style='color:#2ecc71; font-weight:bold;'>{token[2:]}</span>")
+            elif token.startswith('  '): 
+                res1.append(token[2:])
+                res2.append(token[2:])
+        return " ".join(res1), " ".join(res2)
+    except:
+        return text1, text2
+# ==========================================
 
 # ==========================================
 # 2. UI Component Handlers