feat: expenses in statistics

test.py

@@ -1,6 +1,7 @@
 import asyncio
 import datetime
 
+from sqlalchemy import select
 from sqlalchemy.ext.asyncio import AsyncSession
 
 from backend.session import session_maker
@@ -11,20 +12,23 @@ from services.statistics import StatisticsService
 async def main():
     session: AsyncSession = session_maker()
 
-    request = GetProfitChartDataRequest(
-        date_range=(
-            datetime.date(2020, 1, 1),
-            datetime.date(2020, 1, 31),
-        ),
-    )
-
     try:
         service = StatisticsService(session)
+        service.date_from = datetime.date(2020, 1, 20)
+        service.date_to = datetime.date(2020, 2, 10)
+        stmt = service._generate_date_range(["expenses"])
 
-        result = await service.get_profit_chart_data(request)
+        stmt = (
+            select(
+                stmt.c.date,
+                stmt.c.expenses,
+            )
+        )
 
-        # for res in result:
-        #     print(res)
+        result = await session.execute(stmt)
+
+        for res in result:
+            print(res)
     finally:
         await session.close()