Add views with results grouped by month

postgres/models.go

@@ -24,6 +24,14 @@ type Assignment struct {
 	Amount     Numeric
 }
 
+type AssignmentsByMonth struct {
+	Year       float64
+	Month      float64
+	CategoryID uuid.UUID
+	BudgetID   uuid.UUID
+	Amount     int64
+}
+
 type Budget struct {
 	ID               uuid.UUID
 	Name             string
@@ -59,6 +67,14 @@ type Transaction struct {
 	PayeeID    uuid.NullUUID
 }
 
+type TransactionsByMonth struct {
+	Year       float64
+	Month      float64
+	CategoryID uuid.NullUUID
+	BudgetID   uuid.UUID
+	Amount     int64
+}
+
 type User struct {
 	ID        uuid.UUID
 	Email     string