testing new features

sync/excel_sync.py

@@ -3,7 +3,15 @@ from uuid import UUID
 
 from openpyxl import Workbook, load_workbook
 
-from cashflow_model import Account, Asset, FinancialModel, Liability, RecurringCashflow, Transaction
+from cashflow_model import (
+    Account,
+    Asset,
+    ExchangeRate,
+    FinancialModel,
+    Liability,
+    RecurringCashflow,
+    Transaction,
+)
 
 
 class SyncError(Exception):
@@ -31,6 +39,10 @@ _SHEET_CONFIG = {
         "fields": ["id", "name", "balance", "interest", "payment"],
         "cls": Liability,
     },
+    "ExchangeRates": {
+        "fields": ["from_currency", "to_currency", "rate"],
+        "cls": ExchangeRate,
+    },
 }
 
 
@@ -42,6 +54,7 @@ class ExcelSync:
 
         wb = load_workbook(path, read_only=True, data_only=True)
         model = FinancialModel()
+        model.exchange_rates = []
 
         for sheet_name, config in _SHEET_CONFIG.items():
             if sheet_name not in wb.sheetnames:
@@ -62,6 +75,13 @@ class ExcelSync:
                         data[header] = str(val) if not isinstance(val, (int, float)) else val
                 self._add_to_model(model, sheet_name, data)
 
+        if "ModelInfo" in wb.sheetnames:
+            ws = wb["ModelInfo"]
+            rows = list(ws.iter_rows(values_only=True))
+            for row in rows:
+                if row[0] and str(row[0]).strip().lower() == "base_currency" and len(row) > 1:
+                    model.base_currency = str(row[1]).strip()
+
         wb.close()
         return model
 
@@ -76,6 +96,7 @@ class ExcelSync:
             "Recurring": model.recurring,
             "Assets": model.assets,
             "Liabilities": model.liabilities,
+            "ExchangeRates": model.exchange_rates,
         }
 
         for sheet_name, items in collections.items():
@@ -90,6 +111,10 @@ class ExcelSync:
                 ]
                 ws.append(row)
 
+        ws_info = wb.create_sheet(title="ModelInfo")
+        ws_info.append(["Property", "Value"])
+        ws_info.append(["base_currency", model.base_currency])
+
         wb.save(path)
 
     def _add_to_model(self, model: FinancialModel, sheet_name: str, data: dict) -> None:
@@ -104,5 +129,7 @@ class ExcelSync:
                 model.assets.append(Asset.from_dict(data))
             elif sheet_name == "Liabilities":
                 model.liabilities.append(Liability.from_dict(data))
+            elif sheet_name == "ExchangeRates":
+                model.exchange_rates.append(ExchangeRate.from_dict(data))
         except Exception as e:
             raise SyncError(f"Failed to parse row in {sheet_name}: {e}") from e