Implement assignment import and clear of budget

postgres/categories.sql.go

@@ -91,6 +91,14 @@ func (q *Queries) GetCategories(ctx context.Context, budgetID uuid.UUID) ([]GetC
 
 const getCategoriesWithBalance = `-- name: GetCategoriesWithBalance :many
 SELECT categories.id, categories.name, category_groups.name as group, 
+    COALESCE(
+        (
+            SELECT SUM(a_hist.amount)
+            FROM assignments a_hist
+            WHERE categories.id = a_hist.category_id 
+            AND a_hist.date < $1
+        )
+    , 0)::decimal(12,2) as balance_assignments, 
     COALESCE(
         (
             SELECT SUM(t_hist.amount)
@@ -121,11 +129,12 @@ type GetCategoriesWithBalanceParams struct {
 }
 
 type GetCategoriesWithBalanceRow struct {
-	ID       uuid.UUID
-	Name     string
-	Group    string
-	Balance  Numeric
-	Activity Numeric
+	ID                 uuid.UUID
+	Name               string
+	Group              string
+	BalanceAssignments Numeric
+	Balance            Numeric
+	Activity           Numeric
 }
 
 func (q *Queries) GetCategoriesWithBalance(ctx context.Context, arg GetCategoriesWithBalanceParams) ([]GetCategoriesWithBalanceRow, error) {
@@ -141,6 +150,7 @@ func (q *Queries) GetCategoriesWithBalance(ctx context.Context, arg GetCategorie
 			&i.ID,
 			&i.Name,
 			&i.Group,
+			&i.BalanceAssignments,
 			&i.Balance,
 			&i.Activity,
 		); err != nil {