feat(expense): starting expense handle

internal/expense/database.go

@@ -6,6 +6,30 @@ type Database struct {
 	*postgresql.DatabasePostgreSQL
 }
 
+func (d Database) GetAllExpensesOfAnAccount(id string) (interface{}, interface{}) {
+	q := `
+		SELECT a.id, a.user_id, a.name, a.provider, a.created_at, a.updated_at
+		FROM public.account a
+		WHERE a.user_id = $1
+	`
+	rows, err := db.Session.Query(q, id)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	as := make([]*Account, 0)
+	for rows.Next() {
+		a := Account{}
+		err := rows.Scan(&a.ID, &a.UserId, &a.Name, &a.Provider, &a.CreatedAt, &a.UpdatedAt)
+		if err != nil {
+			return nil, err
+		}
+		as = append(as, &a)
+	}
+	return as, nil
+}
+
 func NewDatabase(db *postgresql.DatabasePostgreSQL) *Database {
 	return &Database{db}
 }