Update utils.py

utils.py

@@ -1,34 +1,21 @@
-import json
 import pandas as pd
-import os
 
-DB_FILE = "material_db.json"
-
-def build_db_from_excel(file_path, description_key):
+def parse_excel_file(file_path):
     df = pd.read_excel(file_path)
-    df = df.fillna("-")
 
-    items = []
+    required_columns = ["کد فهرست بها", "شرح", "مقدار", "واحد"]
+    for col in required_columns:
+        if col not in df.columns:
+            raise ValueError(f"ستون «{col}» در فایل پیدا نشد.")
+
+    materials = []
     for _, row in df.iterrows():
-        item = {
-            "item_code": str(row.get("کد فهرست بها", "")).strip(),
-            "item_name": str(row.get("شرح کالا", "")).strip(),
-            "quantity": float(row.get("مقدار", 0)),
-            "unit": str(row.get("واحد", "")).strip()
+        material = {
+            "code": str(row["کد فهرست بها"]).strip(),
+            "description": str(row["شرح"]).strip(),
+            "quantity": float(row["مقدار"]),
+            "unit": str(row["واحد"]).strip()
         }
-        items.append(item)
-
-    return {description_key: items}
-
-def save_material_db(data):
-    with open(DB_FILE, "w", encoding="utf-8") as f:
-        json.dump(data, f, ensure_ascii=False, indent=2)
-
-def load_material_db():
-    if not os.path.exists(DB_FILE):
-        return {}
-    with open(DB_FILE, "r", encoding="utf-8") as f:
-        return json.load(f)
+        materials.append(material)
 
-def get_items_for_description(db, description):
-    return db.get(description, [])
+    return materials