moving insert to another model and done so in database internal

internal/shell/revenue.go

@@ -3,7 +3,6 @@ package shell
 import (
 	"Portifolio/internal/database"
 	"Portifolio/internal/model"
-	"Portifolio/internal/service"
 	"bufio"
 	"database/sql"
 	"fmt"
@@ -103,7 +102,17 @@ func AddRevenue(scanner *bufio.Scanner, db *sql.DB) {
 		return
 	}
 
-	if err := service.InsertRevenue(db, companyID, currencyID, category, parentID, value, period); err != nil {
+	rev := model.RevenueInsert{
+		CompanyID:    companyID,
+		CurrencyID:   currencyID,
+		CategoryName: category,
+		ParentID:     *parentID,
+		Period:       period,
+		Value:        value,
+	}
+
+	err = database.InsertRevenue(db, rev)
+	if err != nil {
 		fmt.Println("  ✗ Error:", err)
 		return
 	}