init commit

app/schemas/budget.py

@@ -0,0 +1,29 @@
+"""Budget schemas"""
+
+from pydantic import BaseModel
+from datetime import datetime
+from typing import Optional
+
+
+class BudgetCreateSchema(BaseModel):
+    """Schema for creating budget"""
+    name: str
+    limit_amount: float
+    period: str = "monthly"
+    alert_threshold: float = 80.0
+    category_id: Optional[int] = None
+    start_date: datetime
+
+
+class BudgetSchema(BudgetCreateSchema):
+    """Budget response schema"""
+    id: int
+    family_id: int
+    spent_amount: float
+    is_active: bool
+    end_date: Optional[datetime] = None
+    created_at: datetime
+    updated_at: datetime
+
+    class Config:
+        from_attributes = True