init commit

app/db/repositories/transaction.py

@@ -0,0 +1,94 @@
+"""Transaction repository"""
+
+from typing import List, Optional
+from datetime import datetime, timedelta
+from sqlalchemy.orm import Session
+from sqlalchemy import and_
+from app.db.models import Transaction, TransactionType
+from app.db.repositories.base import BaseRepository
+
+
+class TransactionRepository(BaseRepository[Transaction]):
+    """Transaction data access operations"""
+
+    def __init__(self, session: Session):
+        super().__init__(session, Transaction)
+
+    def get_family_transactions(self, family_id: int, skip: int = 0, limit: int = 50) -> List[Transaction]:
+        """Get transactions for family"""
+        return (
+            self.session.query(Transaction)
+            .filter(Transaction.family_id == family_id)
+            .order_by(Transaction.transaction_date.desc())
+            .offset(skip)
+            .limit(limit)
+            .all()
+        )
+
+    def get_transactions_by_period(
+        self, family_id: int, start_date: datetime, end_date: datetime
+    ) -> List[Transaction]:
+        """Get transactions within date range"""
+        return (
+            self.session.query(Transaction)
+            .filter(
+                and_(
+                    Transaction.family_id == family_id,
+                    Transaction.transaction_date >= start_date,
+                    Transaction.transaction_date <= end_date
+                )
+            )
+            .order_by(Transaction.transaction_date.desc())
+            .all()
+        )
+
+    def get_transactions_by_category(
+        self, family_id: int, category_id: int, start_date: datetime, end_date: datetime
+    ) -> List[Transaction]:
+        """Get transactions by category in date range"""
+        return (
+            self.session.query(Transaction)
+            .filter(
+                and_(
+                    Transaction.family_id == family_id,
+                    Transaction.category_id == category_id,
+                    Transaction.transaction_date >= start_date,
+                    Transaction.transaction_date <= end_date
+                )
+            )
+            .all()
+        )
+
+    def get_user_transactions(self, user_id: int, days: int = 30) -> List[Transaction]:
+        """Get user's recent transactions"""
+        start_date = datetime.utcnow() - timedelta(days=days)
+        return (
+            self.session.query(Transaction)
+            .filter(
+                and_(
+                    Transaction.user_id == user_id,
+                    Transaction.transaction_date >= start_date
+                )
+            )
+            .order_by(Transaction.transaction_date.desc())
+            .all()
+        )
+
+    def sum_by_category(
+        self, family_id: int, category_id: int, start_date: datetime, end_date: datetime
+    ) -> float:
+        """Calculate sum of transactions by category"""
+        result = (
+            self.session.query(Transaction)
+            .filter(
+                and_(
+                    Transaction.family_id == family_id,
+                    Transaction.category_id == category_id,
+                    Transaction.transaction_date >= start_date,
+                    Transaction.transaction_date <= end_date,
+                    Transaction.transaction_type == TransactionType.EXPENSE
+                )
+            )
+            .all()
+        )
+        return sum(t.amount for t in result)