controle-de-estoque-cli/controller/controller.go

package controller

import (
	"controle-de-estoque/model"
	"controle-de-estoque/view"
)

type Controller struct {
	inventory *model.Inventory
}

func New(inventory *model.Inventory) *Controller {
	return &Controller{inventory: inventory}
}

func (c *Controller) Execute() {
	for {
		view.ShowMenu()
		input, err := view.ReadMenuInput()

		if err != nil {
			view.ShowError(err)
			break
		}

		switch input {
		case "1", "adicionar":
			c.AddProduct()
		case "2", "listar":
			c.listAllProducts()
		case "3", "atualizar":
			c.updateProduct()
		default:
			view.ShowMessage("Sistema encerrado!", nil)
			return
		}
	}
}

func (c *Controller) AddProduct() {
	productInput := view.ReadAddProductInput()
	p := c.inventory.AddProduct(productInput)
	view.ShowMessage("Produto criado com ID %d: %s\n", []any{p.ID, p.Name})
}

func (c *Controller) listAllProducts() {
	products := c.inventory.FetchProducts()
	view.ShowAllProducts(products)
}

func (c *Controller) updateProduct() {
	productID, field := view.ReadEditProductInput()

	value := view.ReadNewValueInput(field)

	updated, err := c.inventory.UpdateProduct(productID, field, value)

	if err != nil {
		view.ShowError(err)
		return
	}

	view.ShowMessage("Produto %d atualizado com sucesso!\n", []any{updated.ID})
}